Release 0.13.1

Add systray_hide_by_icon_name Exact Match, Deliminator ','

See merge request !24

AUTHORS

@@ -23,6 +23,12 @@ Contributors:
   Craig Oakes : WM flags, issue tracker organization
   Jeff Blake (https://gitlab.com/u/berkley4) : more mouse event handlers
   Vladimir <vladimir-csp@yandex.ru> : translations, bug reports
+  Christophe D. <stophe72.d@gmail.com> : non-rectangular borders
+  Benoit Averty : taskbar enhancements
+  Justin Jacobs : tint2conf fixes
+  Oskari Rauta : separator plugin, gradients
+  Michael Messmore : Support for Path in .desktop files
+  Matthew Otnel : config option systray_name_filter
 
 Translations:
   Bosnian:

CMakeLists.txt

@@ -1,5 +1,5 @@
 project( tint2 )
-cmake_minimum_required( VERSION 2.6 )
+cmake_minimum_required( VERSION 2.8.5 )
 
 option( ENABLE_BATTERY "Enable battery status plugin" ON )
 option( ENABLE_TINT2CONF "Enable tint2conf build, a GTK+2 theme configurator for tint2" ON )
@@ -13,6 +13,14 @@ if( CMAKE_SYSTEM_NAME STREQUAL "Linux" )
   option( ENABLE_UEVENT "Kernel event handling support" ON )
 endif( CMAKE_SYSTEM_NAME STREQUAL "Linux" )
 
+include( GNUInstallDirs )
+if(NOT docdir)
+  set(docdir ${CMAKE_INSTALL_DOCDIR})
+endif()
+if(NOT htmldir)
+  set(htmldir ${docdir}/html)
+endif()
+
 include( FindPkgConfig )
 include( CheckLibraryExists )
 include( CheckCSourceCompiles )
@@ -74,7 +82,7 @@ if( NOT IMLIB_BUILD_WITH_X )
   message( FATAL_ERROR "Imlib is not built with X support" )
 endif( NOT IMLIB_BUILD_WITH_X )
 
-add_definitions( -D_GNU_SOURCE )
+add_definitions( -D_POSIX_C_SOURCE=200809L -D_BSD_SOURCE -D_DEFAULT_SOURCE )
 
 include_directories( ${PROJECT_BINARY_DIR}
                      src
@@ -87,6 +95,7 @@ include_directories( ${PROJECT_BINARY_DIR}
                      src/util
                      src/execplugin
                      src/freespace
+                     src/separator
                      ${X11_INCLUDE_DIRS}
                      ${PANGOCAIRO_INCLUDE_DIRS}
                      ${PANGO_INCLUDE_DIRS}
@@ -114,11 +123,15 @@ set( SOURCES src/config.c
              src/tooltip/tooltip.c
              src/execplugin/execplugin.c
              src/freespace/freespace.c
+             src/separator/separator.c
+             src/tint2rc.c
              src/util/area.c
              src/util/common.c
              src/util/strnatcmp.c
              src/util/timer.c
              src/util/cache.c
+             src/util/color.c
+             src/util/gradient.c
              src/util/window.c )
 
 if( ENABLE_BATTERY )
@@ -190,17 +203,12 @@ endif( ENABLE_TINT2CONF )
 
 if( ENABLE_ASAN )
   SET(ASAN_C_FLAGS " -O0 -g3 -gdwarf-2 -fsanitize=address -fno-common -fno-omit-frame-pointer -rdynamic -Wshadow")
-  SET(ASAN_L_FLAGS " -O0 -g3 -gdwarf-2 -fsanitize=address -fno-common -fno-omit-frame-pointer -rdynamic ")
+  SET(ASAN_L_FLAGS " -O0 -g3 -gdwarf-2 -fsanitize=address -fno-common -fno-omit-frame-pointer -rdynamic -fuse-ld=gold ")
 else()
   SET(ASAN_C_FLAGS "")
   SET(ASAN_L_FLAGS "")
 endif()
 
-set( MANDIR share/man CACHE PATH "Directory for man pages" )
-set( DATADIR share CACHE PATH "Directory for shared data" )
-set( SYSCONFDIR /etc CACHE PATH "Directory for configuration files" )
-set( DOCDIR share/doc/tint2 CACHE PATH "Directory for documentation files" )
-
 add_custom_target( version ALL "${PROJECT_SOURCE_DIR}/get_version.sh" "\"${PROJECT_SOURCE_DIR}\"" )
 
 link_directories( ${X11_LIBRARY_DIRS}
@@ -239,13 +247,14 @@ set_target_properties( tint2 PROPERTIES COMPILE_FLAGS "-Wall -Wpointer-arith -fn
 set_target_properties( tint2 PROPERTIES LINK_FLAGS "-pthread -fno-strict-aliasing ${ASAN_L_FLAGS} ${BACKTRACE_L_FLAGS}" )
 
 install( TARGETS tint2 DESTINATION bin )
-install( FILES tint2.svg DESTINATION ${DATADIR}/icons/hicolor/scalable/apps )
-install( FILES tint2.desktop DESTINATION ${DATADIR}/applications )
-install( CODE "execute_process(COMMAND gtk-update-icon-cache -f -t ${DATADIR}/icons/hicolor WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX})" )
-install( FILES themes/tint2rc DESTINATION ${SYSCONFDIR}/xdg/tint2 )
-install( FILES default_icon.png DESTINATION ${DATADIR}/tint2 )
-install( FILES AUTHORS ChangeLog README.md DESTINATION ${DOCDIR} )
-install( FILES doc/tint2.1 DESTINATION ${MANDIR}/man1 )
+install( FILES tint2.svg DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/scalable/apps )
+install( FILES tint2.desktop DESTINATION ${CMAKE_INSTALL_DATADIR}/applications )
+install( FILES themes/tint2rc DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/xdg/tint2 )
+install( FILES default_icon.png DESTINATION ${CMAKE_INSTALL_DATADIR}/tint2 )
+install( FILES AUTHORS ChangeLog README.md doc/tint2.md DESTINATION ${docdir} )
+install( FILES doc/manual.html doc/readme.html DESTINATION ${htmldir} )
+install( DIRECTORY doc/images DESTINATION ${htmldir} )
+install( FILES doc/tint2.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1 )
 if( ENABLE_EXTRA_THEMES )
   add_subdirectory(themes)
 endif( ENABLE_EXTRA_THEMES )

CONTRIBUTING.md

@@ -0,0 +1 @@
+Please read https://gitlab.com/o9000/tint2/wikis/Development

ChangeLog

@@ -1,3 +1,45 @@
+2017-03-12 0.13.1
+- Fixes:
+  - Fixed compilation with new glibc (issue #625)
+  - Fixed regression in distributing size between taskbars (issue #628)
+  - Create ~/.config dir if it does not exist (issue #629)
+- Enhancements:
+  - New config option systray_name_filter to hide hide specific apps from the system tray (contributed by Matthew Otnel)
+  - Tint2conf: minor improvements
+
+2017-03-04 0.13
+- Fixes:
+  - Ignore monitors with size 0, fixing crash (issue #618)
+  - Battery: support Asus Chromebook Flip C100PA (issue #616)
+  - Panel: do not change struts (available screen size) when shown in autohide mode (issue #619)
+  - tint2conf: executor tooltips are now correctly disabled when text config value is empty (contributed by Justin Jacobs)
+- Enhancements:
+  - Desktop files (shortcuts) used in launcher are reloaded on click, in case the file has changed
+  - New config option taskbar_hide_if_empty to hide an empty taskbar in multi_desktop mode (contributed by Benoit Averty)
+  - Gradient backgrounds (contributed by Oskari Rauta)
+  - New option: panel_shrink (fixes issue #333)
+  - Support for Path in .desktop files (contributed by Michael Messmore)
+  - Tint2conf start up is much faster
+- New plugin: separator (contributed by Oskari Rauta)
+
+2016-08-02 0.12.12
+- Fixes:
+  - Set task maximum height equal to width if not specified, instead of hardcoding 30 (issue #583; thanks @VastOne)
+  - tint2conf
+    - Process background selection events correctly (issue #582)
+	- Menus accessible with keyboard shortcuts (issue #590)
+- Enhancements:
+  - Borders can now be drawn on only some sides; configurable with the option border_sides (issue #580; thanks @stophe)
+  - Updated man page
+  - The geometry of panel items is printed to stderr if the environment variable DEBUG_GEOMETRY is set
+
+2016-05-14 0.12.11
+- Fixes:
+  - tint2conf:
+    - Fixed crash in tint2conf when adding background
+    - Add correct extension to file name in tint2conf for 'Save as'
+    - Changed main window title in tint2conf
+
 2016-05-07 0.12.10
 - Fixes:
   - Fixed crash in systray with non-Latin languagess (thanks zcodes)

INSTALL.txt

@@ -1,10 +0,0 @@
-To build and install tint2 you need CMake.
-These steps should be enough for building tint2:
-
-mkdir build
-cd build
-cmake -DCMAKE_INSTALL_PREFIX=/usr ../
-make
-sudo make install
-
-To see additional options you can set at the 'cmake' step, run 'cmake -L ../'

README.md

@@ -1,13 +1,14 @@
-# Latest stable release: 0.12.10
-Changes: https://gitlab.com/o9000/tint2/blob/0.12.10/ChangeLog
+# Latest stable release: 0.13.1
+Changes: https://gitlab.com/o9000/tint2/blob/0.13.1/ChangeLog
 
-Documentation: https://gitlab.com/o9000/tint2/wikis/Configure
+Documentation: [doc/tint2.md](doc/tint2.md)
+
+Compile it with (after you install the [dependencies](https://gitlab.com/o9000/tint2/wikis/Install#dependencies)):
 
-Compile it with (see also [dependencies](https://gitlab.com/o9000/tint2/wikis/Install#dependencies)):
 ```
 git clone https://gitlab.com/o9000/tint2.git
 cd tint2
-git checkout 0.12.10
+git checkout 0.13.1
 mkdir build
 cd build
 cmake ..
@@ -15,6 +16,7 @@ make -j4
 ```
 
 To install, run (as root):
+
 ```
 make install
 ```
@@ -27,7 +29,7 @@ P.S. GitLab is now the official location of the tint2 project, migrated from Goo
 
 # What is tint2?
 
-tint2 is a simple panel/taskbar made for modern X window managers. It was specifically made for Openbox but it should also work with other window managers (GNOME, KDE, XFCE etc.). It is based on ttm http://code.google.com/p/ttm/.
+tint2 is a simple panel/taskbar made for modern X window managers. It was specifically made for Openbox but it should also work with other window managers (GNOME, KDE, XFCE etc.). It is based on ttm https://code.google.com/p/ttm/.
 
 # Features
 
@@ -50,15 +52,21 @@ tint2 is a simple panel/taskbar made for modern X window managers. It was specif
 # How do I ...
 
   * [Install](https://gitlab.com/o9000/tint2/wikis/Install)
-  * [Configure](https://gitlab.com/o9000/tint2/wikis/Configure)
+  * [Configure](https://gitlab.com/o9000/tint2/blob/master/doc/tint2.md)
   * [Add applet not supported by tint2](https://gitlab.com/o9000/tint2/wikis/ThirdPartyApplets)
   * [Other frequently asked questions](https://gitlab.com/o9000/tint2/wikis/FAQ)
   * [Obtain a stack trace when tint2 crashes](https://gitlab.com/o9000/tint2/wikis/Debug)
 
+# Known issues
+
+  * Graphic glitches on Intel graphics cards can be avoided by changing the acceleration method to UXA ([issue 595](https://gitlab.com/o9000/tint2/issues/595))
+  * Window managers that do not follow exactly the EWMH specification might not interact well with tint2 (known issues for [awesome](https://gitlab.com/o9000/tint2/issues/385), [bspwm](https://gitlab.com/o9000/tint2/issues/524). [openbox-multihead](https://gitlab.com/o9000/tint2/issues/456))
+  * Full transparency requires a compositor such as Compton (if not provided already by the window manager, as in Compiz/Unity, KDE or XFCE)
+
 # How can I help out?
 
   * Report bugs and ask questions on the [issue tracker](https://gitlab.com/o9000/tint2/issues);
-  * Contribute to the development by helping us fix bugs and suggesting new features.
+  * Contribute to the development by helping us fix bugs and suggesting new features. Please read the contribution guide: [CONTRIBUTING.md](CONTRIBUTING.md)
 
 # Links
   * Home page: https://gitlab.com/o9000/tint2
@@ -76,3 +84,10 @@ tint2 is a simple panel/taskbar made for modern X window managers. It was specif
 ## Various configs:
 
 ![screenshot](https://gitlab.com/o9000/tint2/wikis/screenshot.png)
+
+## Demos
+
+* 0.13.1: [Compact panel, separator, color gradients](https://gitlab.com/o9000/tint2/wikis/whats-new-0.13.1.0.gif)
+* 0.12.4: [Executor](https://gitlab.com/o9000/tint2/wikis/whats-new-0.12.4.gif)
+* 0.12.3: [Mouse over effects](https://gitlab.com/o9000/tint2/wikis/whats-new-0.12.3.gif)
+* 0.12: [Distribute size between taskbars, freespace](https://gitlab.com/o9000/tint2/wikis/whats-new-0.12.gif)

README.source

@@ -1,3 +0,0 @@
-DEPENDENCIES:
-cairo (with X support), pango, glib2, libX11, libXinerama, libXrandr, libXrender, libXcomposite, libXdamage, imlib2 (with X support)
-you might need -dev packages on Debian

doc/footer.html

@@ -0,0 +1,2 @@
+</body>
+</html>

doc/generate-doc.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# You can install md2man with gem install md2man. You need gem and ruby-dev.
+
+md2man-roff tint2.md > tint2.1
+
+cat header.html > manual.html
+cat tint2.md | sed 's/^# TINT2 .*$/# TINT2/g' | md2man-html >> manual.html
+cat footer.html >> manual.html
+
+cat header.html > readme.html
+cat ../README.md | sed 's|doc/tint2.md|manual.html|g' | md2man-html >> readme.html
+cat footer.html >> readme.html

doc/header.html

@@ -0,0 +1,201 @@
+<!DOCTYPE html>
+<html>
+<head>
+<head>
+<style type="text/css">
+html,
+body {
+  color: #333;
+  font-family: Helvetica, Arial, sans-serif;
+  font-size: 14px;
+  line-height: 1.6;
+  word-wrap: break-word;
+  max-width: 1000px;
+  margin: 0 auto;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  margin-top: 1em;
+  margin-bottom: 1rem;
+}
+
+h1 {
+  font-size: 1.8rem;
+  font-weight: normal;
+  font-style: normal;
+  border-bottom: 1px solid #eee;
+}
+
+h2 {
+  font-size: 1.5rem;
+  font-weight: normal;
+  font-style: normal;
+  border-bottom: 1px solid #eee;
+}
+
+h3 {
+  font-size: 1.2rem;
+  font-weight: bold;
+  font-style: normal;
+}
+
+h4 {
+  font-size: 1rem;
+  font-weight: bold;
+  font-style: normal;
+}
+
+h5 {
+  font-size: 1rem;
+  font-weight: bold;
+  font-style: italic;
+}
+
+h6 {
+  font-size: 1rem;
+  font-weight: normal;
+  font-style: italic;
+}
+
+
+code,
+kbd,
+pre {
+  font-family: monospace;
+  font-size: 1em;
+}
+
+table {
+  border-spacing: 0;
+  border-collapse: collapse;
+}
+
+td,
+th {
+  padding: 0;
+}
+
+asdff {
+  box-sizing: border-box;
+}
+
+a {
+  color: #46c;
+  text-decoration: none;
+}
+
+a:hover,
+a:active {
+  text-decoration: underline;
+}
+
+a:not([href]) {
+  color: inherit;
+  text-decoration: none;
+}
+
+hr {
+  box-sizing: content-box;
+  height: 0;
+  margin: 15px 0;
+  overflow: hidden;
+  background: transparent;
+  border: 0;
+  border-bottom: 1px solid #ddd;
+}
+
+hr::before {
+  display: table;
+  content: "";
+}
+
+hr::after {
+  display: table;
+  clear: both;
+  content: "";
+}
+
+p {
+  margin-top: 0;
+  margin-bottom: 0.7em;
+}
+
+blockquote {
+  margin: 0;
+}
+
+code {
+  font-family: "Liberation Mono", monospace;
+  font-size: 1em;
+}
+
+pre {
+  margin-top: 0;
+  margin-bottom: 0;
+  font: 1em "Liberation Mono", monospace;
+  overflow-x: auto;
+}
+
+blockquote {
+  padding: 0 15px;
+  color: #777;
+  border-left: 4px solid #ddd;
+}
+
+blockquote>:first-child {
+  margin-top: 0;
+}
+
+blockquote>:last-child {
+  margin-bottom: 0;
+}
+
+table {
+  display: block;
+  width: 100%;
+  overflow: auto;
+  word-break: normal;
+}
+
+table th {
+  font-weight: bold;
+}
+
+table th,
+table td {
+  padding: 6px 13px;
+  border: 1px solid #ddd;
+}
+
+table tr {
+  background-color: #fff;
+  border-top: 1px solid #ccc;
+}
+
+table tr:nth-child(2n) {
+  background-color: #f8f8f8;
+}
+
+code {
+  padding: 0.2em;
+  margin: 0;
+  font-size: 0.95em;
+  background-color: #eee;
+}
+
+pre {
+  word-wrap: normal;
+  background-color: #eee;
+  margin: 1em 0;
+  padding: 0.2em;
+}
+
+
+</style>
+</head>
+<body>

doc/manual.html

@@ -0,0 +1,803 @@
+<!DOCTYPE html>
+<html>
+<head>
+<head>
+<style type="text/css">
+html,
+body {
+  color: #333;
+  font-family: Helvetica, Arial, sans-serif;
+  font-size: 14px;
+  line-height: 1.6;
+  word-wrap: break-word;
+  max-width: 1000px;
+  margin: 0 auto;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  margin-top: 1em;
+  margin-bottom: 1rem;
+}
+
+h1 {
+  font-size: 1.8rem;
+  font-weight: normal;
+  font-style: normal;
+  border-bottom: 1px solid #eee;
+}
+
+h2 {
+  font-size: 1.5rem;
+  font-weight: normal;
+  font-style: normal;
+  border-bottom: 1px solid #eee;
+}
+
+h3 {
+  font-size: 1.2rem;
+  font-weight: bold;
+  font-style: normal;
+}
+
+h4 {
+  font-size: 1rem;
+  font-weight: bold;
+  font-style: normal;
+}
+
+h5 {
+  font-size: 1rem;
+  font-weight: bold;
+  font-style: italic;
+}
+
+h6 {
+  font-size: 1rem;
+  font-weight: normal;
+  font-style: italic;
+}
+
+
+code,
+kbd,
+pre {
+  font-family: monospace;
+  font-size: 1em;
+}
+
+table {
+  border-spacing: 0;
+  border-collapse: collapse;
+}
+
+td,
+th {
+  padding: 0;
+}
+
+asdff {
+  box-sizing: border-box;
+}
+
+a {
+  color: #46c;
+  text-decoration: none;
+}
+
+a:hover,
+a:active {
+  text-decoration: underline;
+}
+
+a:not([href]) {
+  color: inherit;
+  text-decoration: none;
+}
+
+hr {
+  box-sizing: content-box;
+  height: 0;
+  margin: 15px 0;
+  overflow: hidden;
+  background: transparent;
+  border: 0;
+  border-bottom: 1px solid #ddd;
+}
+
+hr::before {
+  display: table;
+  content: "";
+}
+
+hr::after {
+  display: table;
+  clear: both;
+  content: "";
+}
+
+p {
+  margin-top: 0;
+  margin-bottom: 0.7em;
+}
+
+blockquote {
+  margin: 0;
+}
+
+code {
+  font-family: "Liberation Mono", monospace;
+  font-size: 1em;
+}
+
+pre {
+  margin-top: 0;
+  margin-bottom: 0;
+  font: 1em "Liberation Mono", monospace;
+  overflow-x: auto;
+}
+
+blockquote {
+  padding: 0 15px;
+  color: #777;
+  border-left: 4px solid #ddd;
+}
+
+blockquote>:first-child {
+  margin-top: 0;
+}
+
+blockquote>:last-child {
+  margin-bottom: 0;
+}
+
+table {
+  display: block;
+  width: 100%;
+  overflow: auto;
+  word-break: normal;
+}
+
+table th {
+  font-weight: bold;
+}
+
+table th,
+table td {
+  padding: 6px 13px;
+  border: 1px solid #ddd;
+}
+
+table tr {
+  background-color: #fff;
+  border-top: 1px solid #ccc;
+}
+
+table tr:nth-child(2n) {
+  background-color: #f8f8f8;
+}
+
+code {
+  padding: 0.2em;
+  margin: 0;
+  font-size: 0.95em;
+  background-color: #eee;
+}
+
+pre {
+  word-wrap: normal;
+  background-color: #eee;
+  margin: 1em 0;
+  padding: 0.2em;
+}
+
+
+</style>
+</head>
+<body>
+<h1 id="tint2"><span class="md2man-title">TINT2</span><a name="tint2" href="#tint2" class="md2man-permalink" title="permalink"></a></h1><h2 id="name">NAME<a name="name" href="#name" class="md2man-permalink" title="permalink"></a></h2><p>tint2 - lightweight panel/taskbar</p><h2 id="synopsis">SYNOPSIS<a name="synopsis" href="#synopsis" class="md2man-permalink" title="permalink"></a></h2><p><code>tint2 [-c path_to_config_file]</code></p><h2 id="description">DESCRIPTION<a name="description" href="#description" class="md2man-permalink" title="permalink"></a></h2><p>tint2 is a simple panel/taskbar made for modern X window managers.
+It was specifically made for Openbox but it should also work with other window managers (GNOME, KDE, XFCE etc.).</p><p>Features:</p>
+<ul>
+<li>Panel with taskbar, system tray, clock and launcher icons;</li>
+<li>Easy to customize: color/transparency on fonts, icons, borders and backgrounds;</li>
+<li>Pager like capability: move tasks between workspaces (virtual desktops), switch between workspaces;</li>
+<li>Multi-monitor capability: create one panel per monitor, showing only the tasks from the current monitor;</li>
+<li>Customizable mouse events.</li>
+</ul>
+<p>Goals:</p>
+<ul>
+<li>Be unintrusive and light (in terms of memory, CPU and aesthetic);</li>
+<li>Follow the freedesktop.org specifications;</li>
+<li>Make certain workflows, such as multi-desktop and multi-monitor, easy to use.</li>
+</ul>
+<h2 id="options">OPTIONS<a name="options" href="#options" class="md2man-permalink" title="permalink"></a></h2><dl><dt><code>-c path_to_config_file</code></dt><dd>Specifies which configuration file to use instead of the default.</dd></dl><h2 id="configuration">CONFIGURATION<a name="configuration" href="#configuration" class="md2man-permalink" title="permalink"></a></h2><h3 id="table-of-contents">Table of contents<a name="table-of-contents" href="#table-of-contents" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><a href="#introduction">Introduction</a></p></li>
+<li><p><a href="#backgrounds-and-borders">Backgrounds and borders</a></p></li>
+<li><p><a href="#gradients">Gradients</a></p></li>
+<li><p><a href="#panel">Panel</a></p></li>
+<li><p><a href="#launcher">Launcher</a></p></li>
+<li><p><a href="#taskbar-pager">Taskbar/Pager</a></p></li>
+<li><p><a href="#taskbar-buttons">Taskbar buttons</a></p></li>
+<li><p><a href="#mouse-actions-for-taskbar-buttons">Mouse actions for taskbar buttons</a></p></li>
+<li><p><a href="#system-tray">System tray</a></p></li>
+<li><p><a href="#clock">Clock</a></p></li>
+<li><p><a href="#tooltip">Tooltip</a></p></li>
+<li><p><a href="#battery">Battery</a></p></li>
+<li><p><a href="#executor">Executor</a></p></li>
+<li><p><a href="#separator">Separator</a></p></li>
+<li><p><a href="#example-configuration">Example configuration</a></p></li>
+</ul>
+<h3 id="introduction">Introduction<a name="introduction" href="#introduction" class="md2man-permalink" title="permalink"></a></h3><p>These are instructions for configuring tint2 directly by editing its config file.
+You may also use instead the graphical interface <code>tint2conf</code>.</p><p>The first time you run tint2, it will create the config file in <code>$HOME/.config/tint2/tint2rc</code> (This applies if you have done a clean install. Running tint2 in the source directory without doing &#39;make install&#39; will not create the config file.)</p><p>You can also specify another file on the command line with the -c option, e.g.: <code>tint2 -c $HOME/tint2.conf</code>. This can be used to run multiple instances of tint2 that use different settings.</p><p>If you change the config file while tint2 is running, the command <code>killall -SIGUSR1 tint2</code> will force tint2 to reload it.</p><p>All the configuration options supported in the config file are listed below.
+Try to respect as much as possible the order of the options as given below.</p><h3 id="backgrounds-and-borders">Backgrounds and borders<a name="backgrounds-and-borders" href="#backgrounds-and-borders" class="md2man-permalink" title="permalink"></a></h3><p>The tint2 config file starts with the options defining background elements with borders:</p>
+<ul>
+<li><p><code>rounded = number_of_pixels</code> : the corner radius</p></li>
+<li><p><code>border_width = integer</code> : the border width in pixels</p></li>
+<li><p><code>border_sides = LRTB</code> : the sides to draw the border on (left, right, top, bottom). If not specified, all sides are used. <em>(since 0.12.12)</em></p></li>
+<li><p><code>background_color = color opacity</code></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque. Note that for a transparent panel you need to enable a desktop compositor (such as compton or compiz).</li>
+</ul></li>
+<li><p><code>border_color = color opacity</code></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque</li>
+</ul></li>
+<li><p><code>background_color_hover = color opacity</code> (default: same as <code>background_color</code>) <em>(since 0.12.3)</em></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque. Note that for a transparent panel you need to enable a desktop compositor (such as compton or compiz)</li>
+</ul></li>
+<li><p><code>border_color_hover = color opacity</code> (default: same as <code>border_color</code>) <em>(since 0.12.3)</em></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque</li>
+</ul></li>
+<li><p><code>background_color_pressed = color opacity</code> (default: same as <code>background_color_hover</code>) <em>(since 0.12.3)</em></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque. Note that for a transparent panel you need to enable a desktop compositor (such as compton or compiz)</li>
+</ul></li>
+<li><p><code>border_color_pressed = color opacity</code> (default: same as <code>border_color_hover</code>) <em>(since 0.12.3)</em></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque</li>
+</ul></li>
+</ul>
+<p>You can define as many backgrounds as you want. For example, the following config defines two backgrounds:</p><pre class="highlight plaintext"><code>rounded = 1
+border_width = 0
+background_color = #282828 100
+border_color = #000000 0
+
+rounded = 1
+border_width = 0
+background_color = #f6b655 90
+border_color = #cccccc 40
+</code></pre>
+<p>tint2 automatically identifies each background with a number starting from 1 (1, 2, ...).
+Afterwards, you can apply a background to objects (panel, taskbar, task, clock, systray) using the background id, for example:</p><pre class="highlight plaintext"><code>panel_background_id = 1
+taskbar_background_id = 0
+task_background_id = 0
+task_active_background_id = 2
+systray_background_id = 0
+clock_background_id = 0
+</code></pre>
+<p>Identifier 0 refers to a special background which is fully transparent, identifier 1 applies the first background defined in the config file etc.</p><h3 id="gradients">Gradients<a name="gradients" href="#gradients" class="md2man-permalink" title="permalink"></a></h3><p>(Available since 0.13.0)</p><p>Backgrounds also allow specifying gradient layers
+that are drawn on top of the solid color background.</p><p>First the user must define one or more gradients in the config file,
+each starting with <code>gradient = TYPE</code>. These must be added before backgrounds.</p><p>Then gradients can be added by index to backgrounds,
+using the <code>gradient_id = INDEX</code>, <code>gradient_id_hover = INDEX</code> and
+<code>gradient_id_pressed = INDEX</code>, where <code>INDEX</code> is
+the gradient index, starting from 1.</p><h4 id="gradient-types">Gradient types<a name="gradient-types" href="#gradient-types" class="md2man-permalink" title="permalink"></a></h4><p>Gradients vary the color between fixed control points:
+* vertical gradients: top-to-bottom;
+* horizontal gradients: left-to-right;
+* radial gradients: center-to-corners.</p><p>The user must specify the start and end colors, and can optionally add extra color stops in between
+using the <code>color_stop</code> option, as explained below.</p><h5 id="vertical-gradient-with-color-varying-from-the-top-edge-to-the-bottom-edge-two-colors">Vertical gradient, with color varying from the top edge to the bottom edge, two colors<a name="vertical-gradient-with-color-varying-from-the-top-edge-to-the-bottom-edge-two-colors" href="#vertical-gradient-with-color-varying-from-the-top-edge-to-the-bottom-edge-two-colors" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>gradient = vertical
+start_color = #rrggbb opacity
+end_color = #rrggbb opacity
+</code></pre>
+<h5 id="horizontal-gradient-with-color-varying-from-the-left-edge-to-the-right-edge-two-colors">Horizontal gradient, with color varying from the left edge to the right edge, two colors<a name="horizontal-gradient-with-color-varying-from-the-left-edge-to-the-right-edge-two-colors" href="#horizontal-gradient-with-color-varying-from-the-left-edge-to-the-right-edge-two-colors" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>gradient = horizontal
+start_color = #rrggbb opacity
+end_color = #rrggbb opacity
+</code></pre>
+<h5 id="radial-gradient-with-color-varying-from-the-center-to-the-corner-two-colors">Radial gradient, with color varying from the center to the corner, two colors:<a name="radial-gradient-with-color-varying-from-the-center-to-the-corner-two-colors" href="#radial-gradient-with-color-varying-from-the-center-to-the-corner-two-colors" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>gradient = radial
+start_color = #rrggbb opacity
+end_color = #rrggbb opacity
+</code></pre>
+<h5 id="adding-extra-color-stops-0-and-100-remain-fixed-more-colors-at-x-between-the-start-and-end-control-points">Adding extra color stops (0% and 100% remain fixed, more colors at x% between the start and end control points)<a name="adding-extra-color-stops-0-and-100-remain-fixed-more-colors-at-x-between-the-start-and-end-control-points" href="#adding-extra-color-stops-0-and-100-remain-fixed-more-colors-at-x-between-the-start-and-end-control-points" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>color_stop = percentage #rrggbb opacity
+</code></pre>
+<h4 id="gradient-examples">Gradient examples<a name="gradient-examples" href="#gradient-examples" class="md2man-permalink" title="permalink"></a></h4><pre class="highlight plaintext"><code># Gradient 1: thin film effect
+gradient = horizontal
+start_color = #111122 30
+end_color = #112211 30
+color_stop = 60 #221111 30
+
+# Gradient 2: radial glow
+gradient = radial
+start_color = #ffffff 20
+end_color = #ffffff 0
+
+# Gradient 3: elegant black
+gradient = vertical
+start_color = #444444 100
+end_color = #222222 100
+
+# Gradient 4: elegant black
+gradient = horizontal
+start_color = #111111 100
+end_color = #222222 100
+
+# Background 1: Active desktop name
+rounded = 2
+border_width = 1
+border_sides = TBLR
+background_color = #555555 10
+border_color = #ffffff 60
+background_color_hover = #555555 10
+border_color_hover = #ffffff 60
+background_color_pressed = #555555 10
+border_color_pressed = #ffffff 60
+gradient_id = 3
+gradient_id_hover = 4
+gradient_id_pressed = 2
+
+[...]
+</code></pre>
+<h3 id="panel">Panel<a name="panel" href="#panel" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>panel_items = LTSBC</code> defines the items tint2 will show and the order of those items. Each letter refers to an item, defined as:</p>
+<ul>
+<li><code>L</code> shows the Launcher</li>
+<li><code>T</code> shows the Taskbar</li>
+<li><code>S</code> shows the Systray (also called notification area)</li>
+<li><code>B</code> shows the Battery status</li>
+<li><code>C</code> shows the Clock</li>
+<li><code>F</code> adds an extensible spacer (freespace). You can specify more than one. Has no effect if <code>T</code> is also present. <em>(since 0.12)</em></li>
+<li><code>E</code> adds an executor plugin. You can specify more than one. <em>(since 0.12.4)</em></li>
+<li><code>:</code> adds a separator. You can specify more than one. <em>(since 0.13.0)</em></li>
+</ul>
+<p>For example, <code>panel_items = STC</code> will show the systray, the taskbar and the clock (from left to right).</p></li>
+<li><p><code>panel_monitor = monitor (all or 1 or 2 or ...)</code> : Which monitor tint2 draws the panel on</p>
+<ul>
+<li>The first monitor is <code>1</code></li>
+<li>Use <code>panel_monitor = all</code> to get a separate panel per monitor</li>
+</ul></li>
+<li><p><code>primary_monitor_first = boolean (0 or 1)</code> : Place the primary monitor before all the other monitors in the list. <em>(since 0.12.4)</em></p></li>
+</ul>
+<p><img src="images/panel_padding.jpg" alt=""></p>
+<ul>
+<li><p><code>panel_position = vertical_position horizontal_position orientation</code></p>
+<ul>
+<li><code>vertical_position</code> is one of: <code>bottom</code>, <code>top</code>, <code>center</code></li>
+<li><code>horizontal_position</code> is one of: <code>left</code>, <code>right</code>, <code>center</code></li>
+<li><code>orientation</code> is one of: <code>horizontal</code>, <code>vertical</code></li>
+</ul></li>
+<li><p><code>panel_size = width height</code></p>
+<ul>
+<li><code>width</code> and <code>height</code> can be specified without units (e.g. <code>123</code>) as pixels, or followed by <code>%</code> as percentages of the monitor size (e.g. <code>50%</code>). Use <code>100%</code> for full monitor width/height.
+Example:</li>
+</ul></li>
+</ul>
+<pre class="highlight plaintext"><code># The panel's width is 94% the size of the monitor, the height is 30 pixels:
+panel_size = 94% 30
+</code></pre>
+
+<ul>
+<li><p><code>panel_shrink = boolean (0 or 1)</code> : If set to 1, the panel will shrink to a compact size dynamically. <em>(since 0.13)</em></p></li>
+<li><p><code>panel_margin = horizontal_margin vertical_margin</code> : The margins define the distance between the panel and the horizontal/vertical monitor edge. Use <code>0</code> to obtain a panel with the same size as the edge of the monitor (no margin).</p></li>
+</ul>
+<p><img src="images/panel_size_margin.jpg" alt=""></p>
+<ul>
+<li><code>panel_padding = horizontal_padding vertical_padding spacing</code> : Please refer to the image below.</li>
+</ul>
+<p><img src="images/panel_padding.jpg" alt=""></p>
+<ul>
+<li><p><code>font_shadow = boolean (0 or 1)</code></p></li>
+<li><p><code>panel_background_id = integer</code> : Which background to use for the panel.</p></li>
+<li><p><code>wm_menu = boolean (0 or 1)</code> : Defines if tint2 forwards unhandled mouse events to your window manager. Useful for window managers such as openbox, which display the start menu if you right click on the desktop.</p></li>
+<li><p><code>panel_dock = boolean (0 or 1)</code> : Defines if tint2 is placed into the window manager&#39;s dock. For the openbox window manager it is advised to also use a modifier for the moveButton option, otherwise the mouse click is not forwarded to tint2 (in ~/.config/openbox/rc.xml).</p></li>
+<li><p><code>panel_layer = bottom/normal/top</code> : Places tint2 into the bottom/normal/top layer. This is helpful for specifying if the panel can be covered by other windows or not. The default is the bottom layer, but with real transparency normal or top layer may be a nice alternative.</p></li>
+<li><p><code>strut_policy = follow_size/minimum/none</code> : STRUTs are used by the window manager to decide the size of maximized windows. Note: on multi-monitor (Xinerama) setups, the panel must be placed at the edge (not in the middle) of the virtual screen for this to work correctly.</p>
+<ul>
+<li><code>follow_size</code> means that the maximized windows always resize to have a common edge with tint2.</li>
+<li><code>minimum</code> means that the maximized windows always expand to have a common edge with the hidden panel. This is useful if the <code>autohide</code> option is enabled.</li>
+<li><code>none</code> means that the maximized windows use the full screen size.</li>
+</ul></li>
+<li><p><code>panel_window_name = string</code> : Defines the name of the panel&#39;s window. Default: &#39;tint2&#39;. <em>(since 0.12)</em></p></li>
+<li><p><code>disable_transparency = boolean (0 or 1)</code> : Whether to disable transparency instead of detecting if it is supported. Useful on broken graphics stacks. <em>(since 0.12)</em></p></li>
+<li><p><code>mouse_effects = boolean (0 or 1)</code> : Whether to enable mouse hover effects for clickable items. <em>(since 0.12.3)</em></p></li>
+<li><p><code>mouse_hover_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjusts the icon color and transparency on mouse hover (works only when mouse_effects = 1).` <em>(since 0.12.3)</em></p></li>
+<li><p><code>mouse_pressed_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjusts the icon color and transparency on mouse press (works only when mouse_effects = 1).` <em>(since 0.12.3)</em></p></li>
+<li><p><code>autohide = boolean (0 or 1)</code> : Whether to enable panel hiding when the mouse cursor exists the panel.</p></li>
+<li><p><code>autohide_show_timeout = float</code> : Show timeout in seconds after the mouse cursor enters the panel. Use &#39;.&#39; as decimal separator.</p></li>
+<li><p><code>autohide_hide_timeout = float</code> : Hide timeout in seconds after the mouse cursor exits the panel. Use &#39;.&#39; as decimal separator.</p></li>
+<li><p><code>autohide_height = integer</code> : panel height (width for vertical panels) in hidden mode.</p></li>
+</ul>
+<h3 id="launcher">Launcher<a name="launcher" href="#launcher" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>launcher_item_app = path_to_application</code> : Each <code>launcher_item_app</code> must be a file path to a .desktop file following the freedesktop.org <a href="http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html">specification</a>. The paths may begin with <code>~</code>, which is expanded to the path of the user&#39;s home directory. If only a file name is specified, the file is search in the standard application directories (<code>$XDG_DATA_HOME/applications</code>, <code>~/.local/share/applications</code>, <code>$XDG_DATA_DIRS/applications</code>, <code>/usr/local/share/applications</code>, <code>/usr/share/applications</code>, <code>/opt/share/applications</code>).</p></li>
+<li><p><code>launcher_apps_dir = path_to_directory</code> : Specifies a path to a directory from which the launcher is loading all .desktop files (all subdirectories are explored recursively). Can be used multiple times. The path may begin with <code>~</code>, which is expanded to the path of the user&#39;s home directory. <em>(since 0.12)</em></p></li>
+<li><p><code>launcher_background_id = integer</code> : Defines which background to use.</p></li>
+<li><p><code>launcher_icon_background_id = integer</code> : Defines which background to use for icons.</p></li>
+<li><p><code>launcher_padding = horizontal_padding vertical_padding spacing</code></p></li>
+<li><p><code>launcher_icon_size = integer</code> : The launcher icon size, in pixels.</p></li>
+<li><p><code>launcher_icon_theme = name_of_theme</code> : (Optional) Uses the specified icon theme to display shortcut icons. Note that tint2 will detect and use the icon theme of your desktop if you have an XSETTINGS manager running (which you probably do), unless <code>launcher_icon_theme_override = 1</code>.</p></li>
+<li><p><code>launcher_icon_theme_override = boolean (0 or 1)</code> : Whether <code>launcher_icon_theme</code> overrides the value obtained from the XSETTINGS manager. <em>(since 0.12)</em></p></li>
+<li><p><code>launcher_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjusts the icon color and transparency.</p></li>
+<li><p><code>launcher_tooltip = boolean (0 or 1)</code> : Whether to show tooltips for the launcher icons.</p></li>
+<li><p><code>startup_notifications = boolean (0 or 1)</code> : Whether to show startup notifications when starting applications from the launcher. <em>(since 0.12)</em></p></li>
+</ul>
+<h3 id="taskbar-pager">Taskbar / Pager<a name="taskbar-pager" href="#taskbar-pager" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>taskbar_mode = single_desktop/multi_desktop</code></p>
+<ul>
+<li><code>single_desktop</code> : Shows a normal taskbar listing the tasks running on the current virtual desktop (also known as &#39;workspace&#39;);</li>
+<li><code>multi_desktop</code> : Pager like capability. Shows multiple taskbars, one per virtual desktop, with which:
+
+<ul>
+<li>You can drag-and-drop tasks between virtual desktops;</li>
+<li>You can switch between virtual desktops.</li>
+</ul></li>
+</ul></li>
+<li><p><code>taskbar_hide_if_empty = boolean (0 or 1)</code> : If enabled, in multi-desktop mode the taskbars corresponding to empty desktops different from the current desktop are hidden. <em>(since 0.13)</em></p></li>
+<li><p><code>taskbar_distribute_size = boolean (0 or 1)</code> : If enabled, in multi-desktop mode distributes between taskbars the available size proportionally to the number of tasks. Default: disabled. <em>(since 0.12)</em></p></li>
+<li><p><code>taskbar_padding = horizontal_padding vertical_padding spacing</code></p></li>
+</ul>
+<p><img src="images/taskbar_padding.jpg" alt=""></p>
+<ul>
+<li><p><code>taskbar_background_id = integer</code> : Which background to use</p></li>
+<li><p><code>taskbar_active_background_id = integer</code> : Which background to use for the taskbar of the current virtual desktop.</p></li>
+<li><p><code>taskbar_hide_inactive_tasks = boolean (0 or 1)</code> :  If enabled, the taskbar shows only the active task. <em>(since 0.12)</em></p></li>
+<li><p><code>taskbar_hide_different_monitor = boolean (0 or 1)</code> :  If enabled, the taskbar shows only the tasks from the current monitor. Useful when running different tint2 instances on different monitors, each one having its own config. <em>(since 0.12)</em></p></li>
+<li><p><code>taskbar_always_show_all_desktop_tasks = boolean (0 or 1)</code> :  Has effect only if <code>taskbar_mode = multi_desktop</code>. If enabled, tasks that appear on all desktops are shown on all taskbars. Otherwise, they are shown only on the taskbar of the current desktop. <em>(since 0.12.4)</em></p></li>
+<li><p><code>taskbar_sort_order = none/title/center</code> : Specifies the sort order of the tasks on the taskbar.  <em>(since 0.12)</em></p>
+<ul>
+<li><code>none</code> : No sorting. New tasks are simply appended at the end of the taskbar when they appear.</li>
+<li><code>title</code> : Sorts the tasks by title.</li>
+<li><code>center</code> : Sorts the tasks by their window centers.</li>
+<li><code>mru</code> : Shows the most recently used tasks first. <em>(since 0.12.4)</em></li>
+<li><code>lru</code> : Shows the most recently used tasks last. <em>(since 0.12.4)</em></li>
+</ul></li>
+<li><p><code>task_align = left/center/right</code> : Specifies the alignment of the tasks on the taskbar. Default: left.</p></li>
+<li><p><code>taskbar_name = boolean (0 or 1)</code> :  Whether to show the virtual desktop name in the taskbar.</p></li>
+<li><p><code>taskbar_name_padding = padding</code> :  Padding for the virtual desktop name.</p></li>
+<li><p><code>taskbar_name_background_id = integer</code> :  Which background to use for the desktop name.</p></li>
+<li><p><code>taskbar_name_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code> :  Font configuration for the desktop name.</p></li>
+<li><p><code>taskbar_name_font_color = color opacity (0 to 100)</code> :  Font color for the desktop name.</p></li>
+<li><p><code>taskbar_name_active_background_id = integer</code> :  Which background to use for the name of the current desktop.</p></li>
+<li><p><code>taskbar_name_active_font_color = color opacity (0 to 100)</code> :  Font color for the name of the current desktop.</p></li>
+</ul>
+<h1 id="taskbar-buttons">Taskbar buttons<a name="taskbar-buttons" href="#taskbar-buttons" class="md2man-permalink" title="permalink"></a></h1><p>The following options configure the task buttons in the taskbar:</p>
+<ul>
+<li><p><code>task_icon = boolean (0 or 1)</code> : Whether to display the task icon. There is no explicit option to control the task icon size; it depends on the vertical padding set with <code>task_padding</code>.</p></li>
+<li><p><code>task_text = boolean (0 or 1)</code> : Whether to display the task text.</p></li>
+<li><p><code>task_centered = boolean (0 or 1)</code> : Whether the task text is centered.</p></li>
+<li><p><code>task_tooltip = boolean (0 or 1)</code> : Whether to show tooltips for tasks.</p></li>
+<li><p><code>task_maximum_size = width height</code></p>
+<ul>
+<li><code>width</code> is used with horizontal panels to limit the size of the tasks. Use <code>width = 0</code> to get full taskbar width.</li>
+<li><code>height</code> is used with vertical panels.</li>
+</ul></li>
+<li><p><code>task_padding = horizontal_padding vertical_padding spacing</code></p></li>
+<li><p><code>urgent_nb_of_blink = integer</code> : Number of blinks on &#39;get attention&#39; events.</p></li>
+</ul>
+<p><img src="images/task_padding.jpg" alt=""></p>
+<ul>
+<li><p><code>task_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>task_font_color = color opacity (0 to 100)</code></p></li>
+<li><p><code>task_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjust the task icon&#39;s color and transparency.</p></li>
+<li><p><code>task_background_id = integer</code> : Which background to use for non selected tasks</p></li>
+</ul>
+<dl><dt>For the next 3 options STATUS can be <code>active</code> / <code>iconified</code>  / <code>urgent</code>:</dt><dd>* <code>task_STATUS_font_color = color opacity (0 to 100)</code></dd></dl>
+<ul>
+<li><p><code>task_STATUS_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjusts the task icon&#39;s color and transparency.</p></li>
+<li><p><code>task_STATUS_background_id = integer</code> : Which background to use for the task.</p></li>
+</ul>
+<h3 id="mouse-actions-for-taskbar-buttons">Mouse actions for taskbar buttons<a name="mouse-actions-for-taskbar-buttons" href="#mouse-actions-for-taskbar-buttons" class="md2man-permalink" title="permalink"></a></h3><p>The possible mouse events are: <code>left, middle, right, scroll_up, scroll_down</code>.</p><p>The possible mouse actions are: <code>none, close, toggle, iconify, shade, toggle_iconify, maximize_restore, desktop_left, desktop_right, next_task, prev_task</code>.</p><p>Use <code>mouse_event = action</code> to customize mouse actions. Example:
+<code>
+  mouse_middle = none
+  mouse_right = close
+  mouse_scroll_up = toggle
+  mouse_scroll_down = iconify
+</code></p><dl><dt>The action semantics:</dt><dd>* <code>none</code> : If <code>wm_menu = 1</code> is set, the mouse event is forwarded to the window manager. Otherwise it is ignored.
+* <code>close</code> : close the task
+* <code>toggle</code> : toggle the task
+* <code>iconify</code> : iconify (minimize) the task
+* <code>toggle_iconify</code> : toggle or iconify the task
+* <code>maximize_restore</code> : maximized or minimized the task
+* <code>shade</code> : shades (collapses) the task
+* <code>desktop_left</code> : send the task to the desktop on the left
+* <code>desktop_right</code> : send the task to the desktop on the right
+* <code>next_task</code> : send the focus to next task
+* <code>prev_task</code> : send the focus to previous task</dd></dl><h3 id="system-tray">System Tray<a name="system-tray" href="#system-tray" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>systray_padding = horizontal_padding vertical_padding spacing</code></p></li>
+<li><p><code>systray_background_id = integer</code> : Which background to use.</p></li>
+<li><p><code>systray_sort = ascending/descending/left2right/right2left</code> : Specifies the sorting order for the icons in the systray: in ascending/descending alphabetical order of the icon title, or always add icons to the right/left (note that with <code>left2right</code> or <code>right2left</code> the order can be different on panel restart).</p></li>
+<li><p><code>systray_icon_size = max_icon_size</code> : Set the maximum system tray icon size to <code>number</code>. Set to <code>0</code> for automatic icon sizing.</p></li>
+<li><p><code>systray_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjust the systray icons color and transparency.</p></li>
+<li><p><code>systray_monitor = integer (1, 2, ...)</code> :  On which monitor to draw the systray. The first monitor is <code>1</code>. <em>(since 0.12)</em></p></li>
+<li><p><code>systray_name_filter = string</code> :  Regular expression to identify icon names to be hidden. For example, <code>^audacious$</code> will hide icons with the exact name <code>audacious</code>, while <code>aud</code> will hide any icons having <code>aud</code> in the name. <em>(since 0.13.1)</em></p></li>
+</ul>
+<h3 id="clock">Clock<a name="clock" href="#clock" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>time1_format = %H:%M</code> : The format used by the first line of the clock.</p>
+<ul>
+<li><code>time1_format</code>, <code>time2_format</code> and <code>clock_tooltip</code> use the &#39;strftime&#39; syntax. More info can be found here: <a href="http://www.manpagez.com/man/3/strftime/">http://www.manpagez.com/man/3/strftime/</a></li>
+<li>To hide the clock, comment <code>time1_format</code> and <code>time2_format</code>.</li>
+</ul></li>
+<li><p><code>time1_timezone = :US/Hawaii</code></p>
+<ul>
+<li><code>time1_timezone</code>, <code>time2_timezone</code> and <code>clock_tooltip_timezone</code> can be used to specify a timezone. If you do not specify a value the system-wide timezone is used. The timezones can usually be found in <code>/usr/share/zoneinfo</code>. If your timezones are in a different directory, you need to specify the absolute path, e.g. <code>time1_timezone = :/different/zoneinfo/dir/US/Hawaii</code> Always prepend the timezone with a &#39;:&#39;</li>
+</ul></li>
+<li><p><code>time1_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>time2_format = %A %d %B</code></p></li>
+<li><p><code>time2_timezone = :Europe/Berlin</code></p></li>
+<li><p><code>time2_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>clock_font_color = color opacity (0 to 100)</code></p></li>
+<li><p><code>clock_padding = horizontal_padding vertical_padding</code></p></li>
+<li><p><code>clock_background_id = integer</code> : Which background to use</p></li>
+<li><p><code>clock_tooltip = %a, %d. %b %Y</code> : Format for the clock&#39;s tooltip.</p></li>
+<li><p><code>clock_tooltip_timezone = :UTC</code></p></li>
+<li><p><code>clock_lclick_command = text</code> : Command to execute on left click.</p></li>
+<li><p><code>clock_rclick_command = text</code> : Command to execute on right click.</p></li>
+<li><p><code>clock_mclick_command = text</code> : Command to execute on middle click. <em>(since 0.12.1)</em></p></li>
+<li><p><code>clock_uwheel_command = text</code> : Command to execute on wheel scroll up. <em>(since 0.12.1)</em></p></li>
+<li><p><code>clock_dwheel_command = text</code> : Command to execute on wheel scroll down. <em>(since 0.12.1)</em></p></li>
+</ul>
+<h3 id="tooltip">Tooltip<a name="tooltip" href="#tooltip" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>tooltip_padding = horizontal_padding vertical_padding</code></p></li>
+<li><p><code>tooltip_show_timeout = float</code> : Delay to show the tooltip in seconds. Use <code>.</code> as decimal separator.</p></li>
+<li><p><code>tooltip_hide_timeout = float</code> : Delay to hide the tooltip in seconds. Use <code>.</code> as decimal separator.</p></li>
+<li><p><code>tooltip_background_id = integer</code> : Which background to use for tooltips. Note that with fake transparency the alpha channel and corner radius options are not respected.</p></li>
+<li><p><code>tooltip_font_color = color opacity  (0 to 100)</code></p></li>
+<li><p><code>tooltip_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+</ul>
+<h3 id="battery">Battery<a name="battery" href="#battery" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>battery_hide = never/integer (0 to 100)</code> : At what battery percentage the battery item is hidden.</p></li>
+<li><p><code>battery_low_status = integer</code>: At what battery percentage the low command is executed.</p></li>
+<li><p><code>battery_low_cmd = notify-send &quot;battery low&quot;</code> : Command to execute when the battery is low.</p></li>
+<li><p><code>bat1_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>bat2_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>battery_font_color = color opacity (0 to 100)</code></p></li>
+<li><p><code>battery_padding = horizontal_padding vertical_padding</code></p></li>
+<li><p><code>battery_background_id = integer</code> : Which background to use for the battery.</p></li>
+<li><p><code>battery_tooltip_enabled = boolean (0 or 1)</code> : Enable/disable battery tooltips. <em>(since 0.12.3)</em></p></li>
+<li><p><code>battery_lclick_command = text</code> : Command to execute on left click. <em>(since 0.12.1)</em></p></li>
+<li><p><code>battery_rclick_command = text</code> : Command to execute on right click. <em>(since 0.12.1)</em></p></li>
+<li><p><code>battery_mclick_command = text</code> : Command to execute on middle click. <em>(since 0.12.1)</em></p></li>
+<li><p><code>battery_uwheel_command = text</code> : Command to execute on wheel scroll up. <em>(since 0.12.1)</em></p></li>
+<li><p><code>battery_dwheel_command = text</code> : Command to execute on wheel scroll down. <em>(since 0.12.1)</em></p></li>
+<li><p><code>ac_connected_cmd = text</code> : Command to execute when the power adapter is plugged in. <em>(since 0.12.3)</em></p></li>
+<li><p><code>ac_disconnected_cmd = text</code> : Command to execute when the power adapter is unplugged. <em>(since 0.12.3)</em></p></li>
+</ul>
+<h3 id="executor">Executor<a name="executor" href="#executor" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>execp = new</code> : Begins the configuration of a new executor plugin. Multiple such plugins are supported; just use multiple <code>E</code>s in <code>panel_items</code>. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_command = text</code> : Command to execute. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_interval = integer</code> : The command is executed again after <code>execp_interval</code> seconds from the moment it exits. If zero, the command is executed only once. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_continuous = integer</code> : If non-zero, the last <code>execp_continuous</code> lines from the output of the command are displayed, every <code>execp_continuous</code> lines; this is useful for showing the output of commands that run indefinitely, such as <code>ping 127.0.0.1</code>. If zero, the output of the command is displayed after it finishes executing. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_has_icon = boolean (0 or 1)</code> : If <code>execp_has_icon = 1</code>, the first line printed by the command is interpreted as a path to an image file. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_cache_icon = boolean (0 or 1)</code> : If <code>execp_cache_icon = 0</code>, the image is reloaded each time the command is executed (useful if the image file is changed on disk by the program executed by <code>execp_command</code>). <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_icon_w = integer</code> : You can use <code>execp_icon_w</code> and <code>execp_icon_h</code> to resize the image. If one of them is zero/missing, the image is rescaled proportionally. If both of them are zero/missing, the image is not rescaled. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_icon_h = integer</code> : See <code>execp_icon_w</code>. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_tooltip = text</code> : The tooltip. Leave it empty to not display a tooltip. Not specifying this option leads to showing an automatically generated tooltip with information about when the command was last executed. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code> : The font used to draw the text.  <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_font_color = color opacity</code> : The font color. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_markup = boolean (0 or 1)</code> : If non-zero, the output of the command is treated as Pango markup, which allows rich text formatting. The format is <a href="https://developer.gnome.org/pygtk/stable/pango-markup-language.html">documented here</a>. Note that using this with commands that print data downloaded from the Internet is a possible security risk. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_background_id = integer</code> : Which background to use. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_centered = boolean (0 or 1)</code> : Whether to center the text. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_padding = horizontal_padding vertical_padding spacing_between_icon_and_text</code> <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_lclick_command = text</code> : Command to execute on left click. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_mclick_command = text</code> : Command to execute on right click. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_rclick_command = text</code> : Command to execute on middle click. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_uwheel_command = text</code> : Command to execute on wheel scroll up. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_dwheel_command = text</code> : Command to execute on wheel scroll down. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+</ul>
+<h4 id="executor-samples">Executor samples<a name="executor-samples" href="#executor-samples" class="md2man-permalink" title="permalink"></a></h4><h5 id="print-the-hostname">Print the hostname<a name="print-the-hostname" href="#print-the-hostname" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = hostname
+execp_interval = 0
+</code></pre>
+<h5 id="print-disk-usage-for-the-root-partition-every-10-seconds">Print disk usage for the root partition every 10 seconds<a name="print-disk-usage-for-the-root-partition-every-10-seconds" href="#print-disk-usage-for-the-root-partition-every-10-seconds" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = df -h | awk '/\/$/ { print $6 ": " $2 " " $5}'
+execp_interval = 10
+</code></pre>
+<h5 id="button-with-icon-and-rich-text-executes-command-when-clicked">Button with icon and rich text, executes command when clicked<a name="button-with-icon-and-rich-text-executes-command-when-clicked" href="#button-with-icon-and-rich-text-executes-command-when-clicked" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = echo /usr/share/icons/elementary-xfce/emblems/24/emblem-colors-blue.png; echo '&lt;span foreground="#7f7"&gt;Click&lt;/span&gt; &lt;span foreground="#77f"&gt;me&lt;/span&gt; &lt;span foreground="#f77"&gt;pls&lt;/span&gt;'
+execp_has_icon = 1
+execp_interval = 0
+execp_centered = 1
+execp_font = sans 9
+execp_markup = 1
+execp_font_color = #aaffaa 100
+execp_padding = 2 0
+execp_tooltip = I will tell you a secret...
+execp_lclick_command = zenity --info "--text=$(uname -sr)"
+execp_background_id = 2
+</code></pre>
+<h5 id="desktop-pager-with-text">Desktop pager with text<a name="desktop-pager-with-text" href="#desktop-pager-with-text" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = xprop -root -spy | awk '/^_NET_CURRENT_DESKTOP/ { print "Workspace " ($3 + 1) ; fflush(); }'
+execp_interval = 1
+execp_continuous = 1
+</code></pre>
+<h5 id="desktop-pager-with-icon">Desktop pager with icon<a name="desktop-pager-with-icon" href="#desktop-pager-with-icon" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp_command = xprop -root -spy | awk -v home="$HOME" '/^_NET_CURRENT_DESKTOP/ { print home "/.config/myPager/" ($3 + 1) ".png\n" ; fflush(); }'
+execp_interval = 1
+execp_has_icon = 1
+execp_cache_icon = 1
+execp_continuous = 2
+</code></pre>
+<h5 id="round-trip-time-to-the-gateway-refreshed-every-second">Round-trip time to the gateway, refreshed every second<a name="round-trip-time-to-the-gateway-refreshed-every-second" href="#round-trip-time-to-the-gateway-refreshed-every-second" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = ping -i 1 -c 1 -W 1 -O -D -n $(ip route | grep default | grep via | grep -o '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*') | awk '/no/ { print "&lt;span foreground=\"#faa\"&gt;timeout&lt;/span&gt;"; fflush(); }; /time=/ { gsub(/time=/, "", $8); printf "&lt;span foreground=\"#7af\"&gt;%3.0f %s&lt;/span&gt;\n", $8, $9; fflush(); } '
+execp_continuous = 0
+execp_interval = 1
+execp_markup = 1
+</code></pre>
+<h5 id="memory-usage">Memory usage<a name="memory-usage" href="#memory-usage" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = free | awk '/^-/ { printf "Mem: '$(free -h | awk '/^Mem:/ { print $2 }')' %.0f%%\n", 100*$3/($3+$4); fflush(stdout) }'
+execp_interval = 5
+execp_continuous = 0
+</code></pre>
+<h5 id="network-load">Network load<a name="network-load" href="#network-load" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code># Note the use of "stdbuf -oL" to force the program to flush the output line by line.
+execp = new
+execp_command = stdbuf -oL bwm-ng -o csv -t 1000 | awk -F ';' '/total/ { printf "Net: %.0f Mb/s\n", ($5*8/1.0e6) }; fflush(stdout)'
+execp_continuous = 1
+execp_interval = 1
+</code></pre>
+<h3 id="separator">Separator<a name="separator" href="#separator" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>separator = new</code> : Begins the configuration of a new separator. Multiple such plugins are supported; just use multiple <code>:</code>s in <code>panel_items</code>. <em>(since 0.13.0)</em></p></li>
+<li><p><code>separator_background_id = integer</code> : Which background to use. <em>(since 0.13.0)</em></p></li>
+<li><p><code>separator_color = color opacity</code> : The foreground color. <em>(since 0.13.0)</em></p></li>
+<li><p><code>separator_style = [empty | line | dots]</code> : The separator style. <em>(since 0.13.0)</em></p></li>
+<li><p><code>separator_size = integer</code> : The thickness of the separator. Does not include the border and padding. For example, if the style is <code>line</code>, this is the line thickness; if the style is <code>dots</code>, this is the dot&#39;s diameter. <em>(since 0.13.0)</em></p></li>
+<li><p><code>separator_padding = side_padding cap_padding</code> : The padding to add to the sides of the separator, in pixels. <em>(since 0.13.0)</em></p></li>
+</ul>
+<h3 id="example-configuration">Example configuration<a name="example-configuration" href="#example-configuration" class="md2man-permalink" title="permalink"></a></h3><pre class="highlight plaintext"><code>#---------------------------------------------
+## TINT2 CONFIG FILE
+#---------------------------------------------
+
+#---------------------------------------------
+## BACKGROUND AND BORDER
+#---------------------------------------------
+rounded = 7
+border_width = 2
+background_color = #000000 60
+border_color = #ffffff 18
+
+rounded = 5
+border_width = 0
+background_color = #ffffff 40
+border_color = #ffffff 50
+
+rounded = 5
+border_width = 0
+background_color = #ffffff 18
+border_color = #ffffff 70
+
+#---------------------------------------------
+## PANEL
+#---------------------------------------------
+panel_monitor = all
+panel_position = bottom center
+panel_size = 94% 30
+panel_margin = 0 0
+panel_padding = 7 0
+font_shadow = 0
+panel_background_id = 1
+wm_menu = 0
+panel_dock = 0
+panel_layer = bottom
+
+#---------------------------------------------
+## TASKBAR
+#---------------------------------------------
+#taskbar_mode = multi_desktop
+taskbar_mode = single_desktop
+taskbar_padding = 2 3 2
+taskbar_background_id = 0
+#taskbar_active_background_id = 0
+
+#---------------------------------------------
+## TASKS
+#---------------------------------------------
+task_icon = 1
+task_text = 1
+task_maximum_size = 140 35
+task_centered = 1
+task_padding = 6 3
+task_font = sans 7
+task_font_color = #ffffff 70
+task_background_id = 3
+task_icon_asb = 100 0 0
+## replace STATUS by 'urgent', 'active' or 'iconified'
+#task_STATUS_background_id = 2
+#task_STATUS_font_color = #ffffff 85
+#task_STATUS_icon_asb = 100 0 0
+## example:
+task_active_background_id = 2
+task_active_font_color = #ffffff 85
+task_active_icon_asb = 100 0 0
+urgent_nb_of_blink = 8
+
+#---------------------------------------------
+## SYSTRAYBAR
+#---------------------------------------------
+systray = 1
+systray_padding = 0 4 5
+systray_background_id = 0
+systray_sort = left2right
+systray_icon_size = 0
+systray_icon_asb = 100 0 0
+
+#---------------------------------------------
+## CLOCK
+#---------------------------------------------
+time1_format = %H:%M
+time1_font = sans 8
+time2_format = %A %d %B
+time2_font = sans 6
+clock_font_color = #ffffff 76
+clock_padding = 1 0
+clock_background_id = 0
+#clock_lclick_command = xclock
+clock_rclick_command = orage
+#clock_tooltip = %A %d %B
+#time1_timezone = :US/Hawaii
+#time2_timezone = :Europe/Berlin
+#clock_tooltip_timezone = :/usr/share/zoneinfo/Europe/Paris
+
+#---------------------------------------------
+## BATTERY
+#---------------------------------------------
+battery = 0
+battery_hide = 98
+battery_low_status = 10
+battery_low_cmd = notify-send "battery low"
+bat1_font = sans 8
+bat2_font = sans 6
+battery_font_color = #ffffff 76
+battery_padding = 1 0
+battery_background_id = 0
+
+#---------------------------------------------
+## TOOLTIP
+#---------------------------------------------
+tooltip = 0
+tooltip_padding = 2 2
+tooltip_show_timeout = 0.7
+tooltip_hide_timeout = 0.3
+tooltip_background_id = 1
+tooltip_font_color = #OOOOOO 80
+tooltip_font = sans 10
+
+#---------------------------------------------
+## MOUSE ACTION ON TASK
+#---------------------------------------------
+mouse_middle = none
+mouse_right = close
+mouse_scroll_up = toggle
+mouse_scroll_down = iconify
+
+#---------------------------------------------
+## AUTOHIDE OPTIONS
+#---------------------------------------------
+autohide = 0
+autohide_show_timeout = 0.3
+autohide_hide_timeout = 2
+autohide_height = 4
+strut_policy = minimum
+</code></pre>
+<h2 id="author">AUTHOR<a name="author" href="#author" class="md2man-permalink" title="permalink"></a></h2><p>tint2 was written by Thierry Lorthiois <a href="mailto:lorthiois@bbsoft.fr">lorthiois@bbsoft.fr</a>.
+It is based on ttm, originally written by Pål Staurland <a href="mailto:staura@gmail.com">staura@gmail.com</a>.</p><p>This manual page was originally written by Daniel Moerner <a href="mailto:dmoerner@gmail.com">dmoerner@gmail.com</a>, for the Debian project (but may be used by others).
+It was adopted from the tint2 docs.</p><h2 id="see-also">SEE ALSO<a name="see-also" href="#see-also" class="md2man-permalink" title="permalink"></a></h2><p>The main website <a href="https://gitlab.com/o9000/tint2">https://gitlab.com/o9000/tint2</a>
+and the wiki page at <a href="https://gitlab.com/o9000/tint2/wikis/home">https://gitlab.com/o9000/tint2/wikis/home</a>.</p><p>This documentation is also provided in HTML and Markdown format in the system&#39;s default location
+for documentation files, usually <code>/usr/share/doc/tint2</code> or <code>/usr/local/share/doc/tint2</code>.</p>
+</body>
+</html>

doc/readme.html

@@ -0,0 +1,265 @@
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+</style>
+</head>
+<body>
+<h1 id="latest-stable-release-0-13-1"><span class="md2man-title">Latest</span> <span class="md2man-section">stable</span> <span class="md2man-date">release:</span> <span class="md2man-source">0.13.1</span><a name="latest-stable-release-0-13-1" href="#latest-stable-release-0-13-1" class="md2man-permalink" title="permalink"></a></h1><p>Changes: <a href="https://gitlab.com/o9000/tint2/blob/0.13.1/ChangeLog">https://gitlab.com/o9000/tint2/blob/0.13.1/ChangeLog</a></p><p>Documentation: <a href="manual.html">manual.html</a></p><p>Compile it with (after you install the <a href="https://gitlab.com/o9000/tint2/wikis/Install#dependencies">dependencies</a>):</p><pre class="highlight plaintext"><code>git clone https://gitlab.com/o9000/tint2.git
+cd tint2
+git checkout 0.13.1
+mkdir build
+cd build
+cmake ..
+make -j4
+</code></pre>
+<p>To install, run (as root):</p><pre class="highlight plaintext"><code>make install
+</code></pre>
+<p>And then you can run the panel <code>tint2</code> and the configuration program <code>tint2conf</code>.</p><p>Please report any problems to <a href="https://gitlab.com/o9000/tint2/issues">https://gitlab.com/o9000/tint2/issues</a>. Your feedback is much appreciated.</p><p>P.S. GitLab is now the official location of the tint2 project, migrated from Google Code, which is shutting down. In case you are wondering why not GitHub, BitBucket etc., we chose GitLab because it is open source, it is mature and works well, looks cool and has a very nice team.</p><h1 id="what-is-tint2">What is tint2?<a name="what-is-tint2" href="#what-is-tint2" class="md2man-permalink" title="permalink"></a></h1><p>tint2 is a simple panel/taskbar made for modern X window managers. It was specifically made for Openbox but it should also work with other window managers (GNOME, KDE, XFCE etc.). It is based on ttm <a href="https://code.google.com/p/ttm/">https://code.google.com/p/ttm/</a>.</p><h1 id="features">Features<a name="features" href="#features" class="md2man-permalink" title="permalink"></a></h1>
+<ul>
+<li>Panel with taskbar, system tray, clock and launcher icons;</li>
+<li>Easy to customize: color/transparency on fonts, icons, borders and backgrounds;</li>
+<li>Pager like capability: move tasks between workspaces (virtual desktops), switch between workspaces;</li>
+<li>Multi-monitor capability: create one panel per monitor, showing only the tasks from the current monitor;</li>
+<li>Customizable mouse events.</li>
+</ul>
+<h1 id="goals">Goals<a name="goals" href="#goals" class="md2man-permalink" title="permalink"></a></h1>
+<ul>
+<li>Be unintrusive and light (in terms of memory, CPU and aesthetic);</li>
+<li>Follow the freedesktop.org specifications;</li>
+<li>Make certain workflows, such as multi-desktop and multi-monitor, easy to use.</li>
+</ul>
+<h1 id="i-want-it">I want it!<a name="i-want-it" href="#i-want-it" class="md2man-permalink" title="permalink"></a></h1>
+<ul>
+<li><a href="https://gitlab.com/o9000/tint2/wikis/Install">Install tint2</a></li>
+</ul>
+<h1 id="how-do-i">How do I ...<a name="how-do-i" href="#how-do-i" class="md2man-permalink" title="permalink"></a></h1>
+<ul>
+<li><a href="https://gitlab.com/o9000/tint2/wikis/Install">Install</a></li>
+<li><a href="https://gitlab.com/o9000/tint2/blob/master/manual.html">Configure</a></li>
+<li><a href="https://gitlab.com/o9000/tint2/wikis/ThirdPartyApplets">Add applet not supported by tint2</a></li>
+<li><a href="https://gitlab.com/o9000/tint2/wikis/FAQ">Other frequently asked questions</a></li>
+<li><a href="https://gitlab.com/o9000/tint2/wikis/Debug">Obtain a stack trace when tint2 crashes</a></li>
+</ul>
+<h1 id="known-issues">Known issues<a name="known-issues" href="#known-issues" class="md2man-permalink" title="permalink"></a></h1>
+<ul>
+<li>Graphic glitches on Intel graphics cards can be avoided by changing the acceleration method to UXA (<a href="https://gitlab.com/o9000/tint2/issues/595">issue 595</a>)</li>
+<li>Window managers that do not follow exactly the EWMH specification might not interact well with tint2 (known issues for <a href="https://gitlab.com/o9000/tint2/issues/385">awesome</a>, <a href="https://gitlab.com/o9000/tint2/issues/524">bspwm</a>. <a href="https://gitlab.com/o9000/tint2/issues/456">openbox-multihead</a>)</li>
+<li>Full transparency requires a compositor such as Compton (if not provided already by the window manager, as in Compiz/Unity, KDE or XFCE)</li>
+</ul>
+<h1 id="how-can-i-help-out">How can I help out?<a name="how-can-i-help-out" href="#how-can-i-help-out" class="md2man-permalink" title="permalink"></a></h1>
+<ul>
+<li>Report bugs and ask questions on the <a href="https://gitlab.com/o9000/tint2/issues">issue tracker</a>;</li>
+<li>Contribute to the development by helping us fix bugs and suggesting new features. Please read the contribution guide: <a href="CONTRIBUTING.md">CONTRIBUTING.md</a></li>
+</ul>
+<h1 id="links">Links<a name="links" href="#links" class="md2man-permalink" title="permalink"></a></h1>
+<ul>
+<li>Home page: <a href="https://gitlab.com/o9000/tint2">https://gitlab.com/o9000/tint2</a></li>
+<li>Git repository: <a href="https://gitlab.com/o9000/tint2.git">https://gitlab.com/o9000/tint2.git</a></li>
+<li>Documentation: <a href="https://gitlab.com/o9000/tint2/wikis/home">https://gitlab.com/o9000/tint2/wikis/home</a></li>
+<li>Downloads: <a href="https://gitlab.com/o9000/tint2-archive/tree/master">https://gitlab.com/o9000/tint2-archive/tree/master</a> or <a href="https://code.google.com/p/tint2/downloads/list">https://code.google.com/p/tint2/downloads/list</a></li>
+<li>Old project location (inactive): <a href="https://code.google.com/p/tint2">https://code.google.com/p/tint2</a></li>
+</ul>
+<h1 id="screenshots">Screenshots<a name="screenshots" href="#screenshots" class="md2man-permalink" title="permalink"></a></h1><h2 id="default-config">Default config:<a name="default-config" href="#default-config" class="md2man-permalink" title="permalink"></a></h2><p><img src="https://gitlab.com/o9000/tint2/uploads/948fa74eca60864352a033580350b4c3/Screenshot_2016-01-23_14-42-57.png" alt="Screenshot_2016-01-23_14-42-57"></p><h2 id="various-configs">Various configs:<a name="various-configs" href="#various-configs" class="md2man-permalink" title="permalink"></a></h2><p><img src="https://gitlab.com/o9000/tint2/wikis/screenshot.png" alt="screenshot"></p><h2 id="demos">Demos<a name="demos" href="#demos" class="md2man-permalink" title="permalink"></a></h2>
+<ul>
+<li>0.13.1: <a href="https://gitlab.com/o9000/tint2/wikis/whats-new-0.13.1.0.gif">Compact panel, separator, color gradients</a></li>
+<li>0.12.4: <a href="https://gitlab.com/o9000/tint2/wikis/whats-new-0.12.4.gif">Executor</a></li>
+<li>0.12.3: <a href="https://gitlab.com/o9000/tint2/wikis/whats-new-0.12.3.gif">Mouse over effects</a></li>
+<li>0.12: <a href="https://gitlab.com/o9000/tint2/wikis/whats-new-0.12.gif">Distribute size between taskbars, freespace</a></li>
+</ul>
+</body>
+</html>

doc/tint2.html

@@ -0,0 +1,524 @@
+<h1 id="tint2-1-2016-05-22"><span class="md2man-title">TINT2</span> <span class="md2man-section">1</span> <span class="md2man-date">2016-05-22</span><a name="tint2-1-2016-05-22" href="#tint2-1-2016-05-22" class="md2man-permalink" title="permalink"></a></h1><h2 id="name">NAME<a name="name" href="#name" class="md2man-permalink" title="permalink"></a></h2><p>tint2 - lightweight panel/taskbar</p><h2 id="synopsis">SYNOPSIS<a name="synopsis" href="#synopsis" class="md2man-permalink" title="permalink"></a></h2><p><code>tint2 [-c path_to_config_file]</code></p><h2 id="description">DESCRIPTION<a name="description" href="#description" class="md2man-permalink" title="permalink"></a></h2><p>tint2 is a simple panel/taskbar made for modern X window managers.
+It was specifically made for Openbox but it should also work with other window managers (GNOME, KDE, XFCE etc.).</p><p>Features:</p>
+<ul>
+<li>Panel with taskbar, system tray, clock and launcher icons;</li>
+<li>Easy to customize: color/transparency on fonts, icons, borders and backgrounds;</li>
+<li>Pager like capability: move tasks between workspaces (virtual desktops), switch between workspaces;</li>
+<li>Multi-monitor capability: create one panel per monitor, showing only the tasks from the current monitor;</li>
+<li>Customizable mouse events.</li>
+</ul>
+<p>Goals:</p>
+<ul>
+<li>Be unintrusive and light (in terms of memory, CPU and aesthetic);</li>
+<li>Follow the freedesktop.org specifications;</li>
+<li>Make certain workflows, such as multi-desktop and multi-monitor, easy to use.</li>
+</ul>
+<h2 id="options">OPTIONS<a name="options" href="#options" class="md2man-permalink" title="permalink"></a></h2><dl><dt><code>-c path_to_config_file</code></dt><dd>Specifies which configuration file to use instead of the default.</dd></dl><h2 id="configuration">CONFIGURATION<a name="configuration" href="#configuration" class="md2man-permalink" title="permalink"></a></h2><h3 id="table-of-contents">Table of contents<a name="table-of-contents" href="#table-of-contents" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><a href="#introduction">Introduction</a></p></li>
+<li><p><a href="#backgrounds-and-borders">Backgrounds and borders</a></p></li>
+<li><p><a href="#panel">Panel</a></p></li>
+<li><p><a href="#launcher">Launcher</a></p></li>
+<li><p><a href="#taskbar-pager">Taskbar/Pager</a></p></li>
+<li><p><a href="#taskbar-buttons">Taskbar buttons</a></p></li>
+<li><p><a href="#mouse-actions-for-taskbar-buttons">Mouse actions for taskbar buttons</a></p></li>
+<li><p><a href="#system-tray">System tray</a></p></li>
+<li><p><a href="#clock">Clock</a></p></li>
+<li><p><a href="#tooltip">Tooltip</a></p></li>
+<li><p><a href="#battery">Battery</a></p></li>
+<li><p><a href="#executor">Executor</a></p></li>
+<li><p><a href="#example-configuration">Example configuration</a></p></li>
+</ul>
+<h3 id="introduction">Introduction<a name="introduction" href="#introduction" class="md2man-permalink" title="permalink"></a></h3><p>These are instructions for configuring tint2 directly by editing its config file.
+You may also use instead the graphical interface <code>tint2conf</code>.</p><p>The first time you run tint2, it will create the config file in <code>$HOME/.config/tint2/tint2rc</code> (This applies if you have done a clean install. Running tint2 in the source directory without doing &#39;make install&#39; will not create the config file.)</p><p>You can also specify another file on the command line with the -c option, e.g.: <code>tint2 -c $HOME/tint2.conf</code>. This can be used to run multiple instances of tint2 that use different settings.</p><p>If you change the config file while tint2 is running, the command <code>killall -SIGUSR1 tint2</code> will force tint2 to reload it.</p><p>All the configuration options supported in the config file are listed below.
+Try to respect as much as possible the order of the options as given below.</p><h3 id="backgrounds-and-borders">Backgrounds and borders<a name="backgrounds-and-borders" href="#backgrounds-and-borders" class="md2man-permalink" title="permalink"></a></h3><p>The tint2 config file starts with the options defining background elements with borders:</p>
+<ul>
+<li><p><code>rounded = number_of_pixels</code> : the corner radius</p></li>
+<li><p><code>border_width = integer</code> : the border width in pixels</p></li>
+<li><p><code>border_sides = LRTB</code> : the sides to draw the border on (left, right, top, bottom). If not specified, all sides are used.</p></li>
+<li><p><code>background_color = color opacity</code></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque. Note that for a transparent panel you need to enable a desktop compositor (such as compton or compiz).</li>
+</ul></li>
+<li><p><code>border_color = color opacity</code></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque</li>
+</ul></li>
+<li><p><code>background_color_hover = color opacity</code> (default: same as background_color) <em>(since 0.12.3)</em></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque. Note that for a transparent panel you need to enable a desktop compositor (such as compton or compiz)</li>
+</ul></li>
+<li><p><code>border_color_hover = color opacity</code> (default: same as border_color) <em>(since 0.12.3)</em></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque</li>
+</ul></li>
+<li><p><code>background_color_pressed = color opacity</code> (default: same as background<em>color</em>hover) <em>(since 0.12.3)</em></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque. Note that for a transparent panel you need to enable a desktop compositor (such as compton or compiz)</li>
+</ul></li>
+<li><p><code>border_color_pressed = color opacity</code> (default: same as border<em>color</em>hover) <em>(since 0.12.3)</em></p>
+<ul>
+<li><code>color</code> is specified in hex RGB, e.g. #ff0000 is red</li>
+<li><code>opacity</code> varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque</li>
+</ul></li>
+</ul>
+<p>You can define as many backgrounds as you want. For example, the following config defines two backgrounds:</p><pre class="highlight plaintext"><code>rounded = 1
+border_width = 0
+background_color = #282828 100
+border_color = #000000 0
+
+rounded = 1
+border_width = 0
+background_color = #f6b655 90
+border_color = #cccccc 40
+</code></pre>
+<p>tint2 automatically identifies each background with a number starting from 1 (1, 2, ...).
+Afterwards, you can apply a background to objects (panel, taskbar, task, clock, systray) using the background id, for example:</p><pre class="highlight plaintext"><code>panel_background_id = 1
+taskbar_background_id = 0
+task_background_id = 0
+task_active_background_id = 2
+systray_background_id = 0
+clock_background_id = 0
+</code></pre>
+<p>Identifier 0 refers to a special background which is fully transparent, identifier 1 applies the first background defined in the config file etc.</p><h3 id="panel">Panel<a name="panel" href="#panel" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>panel_items = LTSBC</code> defines the items tint2 will show and the order of those items. Each letter refers to an item, defined as:</p>
+<ul>
+<li><code>L</code> shows the Launcher</li>
+<li><code>T</code> shows the Taskbar</li>
+<li><code>S</code> shows the Systray (also called notification area)</li>
+<li><code>B</code> shows the Battery status</li>
+<li><code>C</code> shows the Clock</li>
+<li><code>F</code> adds an extensible spacer (freespace). Has no effect if <code>T</code> is also present. <em>(since 0.12)</em></li>
+<li><code>E</code> adds an executor plugin. You can specify more than one. <em>(since 0.12.4)</em></li>
+</ul>
+<p>For example, <code>panel_items = STC</code> will show the systray, the taskbar and the clock (from left to right).</p></li>
+<li><p><code>panel_monitor = monitor (all or 1 or 2 or ...)</code> : Which monitor tint2 draws the panel on</p>
+<ul>
+<li>The first monitor is <code>1</code></li>
+<li>Use <code>panel_monitor = all</code> to get a separate panel per monitor</li>
+</ul></li>
+<li><p><code>primary_monitor_first = boolean (0 or 1)</code> : Place the primary monitor before all the other monitors in the list. <em>(since 0.12.4)</em></p></li>
+</ul>
+<p><img src="panel_padding.jpg" alt=""></p>
+<ul>
+<li><p><code>panel_position = vertical_position horizontal_position orientation</code></p>
+<ul>
+<li><code>vertical_position</code> is one of: <code>bottom</code>, <code>top</code>, <code>center</code></li>
+<li><code>horizontal_position</code> is one of: <code>left</code>, <code>right</code>, <code>center</code></li>
+<li><code>orientation</code> is one of: <code>horizontal</code>, <code>vertical</code></li>
+</ul></li>
+<li><p><code>panel_size = width height</code></p>
+<ul>
+<li><code>width</code> and <code>height</code> can be specified without units (e.g. <code>123</code>) as pixels, or followed by <code>%</code> as percentages of the monitor size (e.g. <code>50%</code>). Use <code>100%</code> for full monitor width/height.
+Example:</li>
+</ul></li>
+</ul>
+<pre class="highlight plaintext"><code># The panel's width is 94% the size of the monitor, the height is 30 pixels:
+panel_size = 94% 30
+</code></pre>
+
+<ul>
+<li><code>panel_margin = horizontal_margin vertical_margin</code> : The margins define the distance between the panel and the horizontal/vertical monitor edge. Use <code>0</code> to obtain a panel with the same size as the edge of the monitor (no margin).</li>
+</ul>
+<p><img src="panel_size_margin.jpg" alt=""></p>
+<ul>
+<li><code>panel_padding = horizontal_padding vertical_padding spacing</code> : Please refer to the image below.</li>
+</ul>
+<p><img src="panel_padding.jpg" alt=""></p>
+<ul>
+<li><p><code>font_shadow = boolean (0 or 1)</code></p></li>
+<li><p><code>panel_background_id = integer</code> : Which background to use for the panel.</p></li>
+<li><p><code>wm_menu = boolean (0 or 1)</code> : Defines if tint2 forwards unhandled mouse events to your window manager. Useful for window managers such as openbox, which display the start menu if you right click on the desktop.</p></li>
+<li><p><code>panel_dock = boolean (0 or 1)</code> : Defines if tint2 is placed into the window manager&#39;s dock. For the openbox window manager it is advised to also use a modifier for the moveButton option, otherwise the mouse click is not forwarded to tint2 (in ~/.config/openbox/rc.xml).</p></li>
+<li><p><code>panel_layer = bottom/normal/top</code> : Places tint2 into the bottom/normal/top layer. This is helpful for specifying if the panel can be covered by other windows or not. The default is the bottom layer, but with real transparency normal or top layer may be a nice alternative.</p></li>
+<li><p><code>strut_policy = follow_size/minimum/none</code> : STRUTs are used by the window manager to decide the size of maximized windows. Note: on multi-monitor (Xinerama) setups, the panel must be placed at the edge (not in the middle) of the virtual screen for this to work correctly.</p>
+<ul>
+<li><code>follow_size</code> means that the maximized windows always resize to have a common edge with tint2.</li>
+<li><code>minimum</code> means that the maximized windows always expand to have a common edge with the hidden panel. This is useful if the <code>autohide</code> option is enabled.</li>
+<li><code>none</code> means that the maximized windows use the full screen size.</li>
+</ul></li>
+<li><p><code>panel_window_name = string</code> : Defines the name of the panel&#39;s window. Default: &#39;tint2&#39;. <em>(since 0.12)</em></p></li>
+<li><p><code>disable_transparency = boolean (0 or 1)</code> : Whether to disable transparency instead of detecting if it is supported. Useful on broken graphics stacks. <em>(since 0.12)</em></p></li>
+<li><p><code>mouse_effects = boolean (0 or 1)</code> : Whether to enable mouse hover effects for clickable items. <em>(since 0.12.3)</em></p></li>
+<li><p><code>mouse_hover_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjusts the icon color and transparency on mouse hover (works only when mouse_effects = 1).` <em>(since 0.12.3)</em></p></li>
+<li><p><code>mouse_pressed_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjusts the icon color and transparency on mouse press (works only when mouse_effects = 1).` <em>(since 0.12.3)</em></p></li>
+<li><p><code>autohide = boolean (0 or 1)</code> : Whether to enable panel hiding when the mouse cursor exists the panel.</p></li>
+<li><p><code>autohide_show_timeout = float</code> : Show timeout in seconds after the mouse cursor enters the panel. Use &#39;.&#39; as decimal separator.</p></li>
+<li><p><code>autohide_hide_timeout = float</code> : Hide timeout in seconds after the mouse cursor exits the panel. Use &#39;.&#39; as decimal separator.</p></li>
+<li><p><code>autohide_height = integer</code> : panel height (width for vertical panels) in hidden mode.</p></li>
+</ul>
+<h3 id="launcher">Launcher<a name="launcher" href="#launcher" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>launcher_item_app = path_to_application</code> : Each <code>launcher_item_app</code> must be a file path to a .desktop file following the freedesktop.org <a href="http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html">specification</a>. The paths may begin with <code>~</code>, which is expanded to the path of the user&#39;s home directory. If only a file name is specified, the file is search in the standard application directories (<code>$XDG_DATA_HOME/applications</code>, <code>~/.local/share/applications</code>, <code>$XDG_DATA_DIRS/applications</code>, <code>/usr/local/share/applications</code>, <code>/usr/share/applications</code>, <code>/opt/share/applications</code>).</p></li>
+<li><p><code>launcher_apps_dir = path_to_directory</code> : Specifies a path to a directory from which the launcher is loading all .desktop files (all subdirectories are explored recursively). Can be used multiple times. The path may begin with <code>~</code>, which is expanded to the path of the user&#39;s home directory. <em>(since 0.12)</em></p></li>
+<li><p><code>launcher_background_id = integer</code> : Defines which background to use.</p></li>
+<li><p><code>launcher_icon_background_id = integer</code> : Defines which background to use for icons.</p></li>
+<li><p><code>launcher_padding = horizontal_padding vertical_padding spacing</code></p></li>
+<li><p><code>launcher_icon_size = integer</code> : The launcher icon size, in pixels.</p></li>
+<li><p><code>launcher_icon_theme = name_of_theme</code> : (Optional) Uses the specified icon theme to display shortcut icons. Note that tint2 will detect and use the icon theme of your desktop if you have an XSETTINGS manager running (which you probably do), unless <code>launcher_icon_theme_override = 1</code>.</p></li>
+<li><p><code>launcher_icon_theme_override = boolean (0 or 1)</code> : Whether <code>launcher_icon_theme</code> overrides the value obtained from the XSETTINGS manager. <em>(since 0.12)</em></p></li>
+<li><p><code>launcher_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjusts the icon color and transparency.</p></li>
+<li><p><code>launcher_tooltip = boolean (0 or 1)</code> : Whether to show tooltips for the launcher icons.</p></li>
+<li><p><code>startup_notifications = boolean (0 or 1)</code> : Whether to show startup notifications when starting applications from the launcher. <em>(since 0.12)</em></p></li>
+</ul>
+<h3 id="taskbar-pager">Taskbar / Pager<a name="taskbar-pager" href="#taskbar-pager" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>taskbar_mode = single_desktop/multi_desktop</code></p>
+<ul>
+<li><code>single_desktop</code> : Shows a normal taskbar listing the tasks running on the current virtual desktop (also known as &#39;workspace&#39;);</li>
+<li><code>multi_desktop</code> : Pager like capability. Shows multiple taskbars, one per virtual desktop, with which:
+
+<ul>
+<li>You can drag-and-drop tasks between virtual desktops;</li>
+<li>You can switch between virtual desktops.</li>
+</ul></li>
+</ul></li>
+<li><p><code>taskbar_distribute_size = boolean (0 or 1)</code> :  If enabled, in multi-desktop mode distributes between taskbars the available size proportionally to the number of tasks. Default: disabled. <em>(since 0.12)</em></p></li>
+<li><p><code>taskbar_padding = horizontal_padding vertical_padding spacing</code></p></li>
+</ul>
+<p><img src="taskbar_padding.jpg" alt=""></p>
+<ul>
+<li><p><code>taskbar_background_id = integer</code> : Which background to use</p></li>
+<li><p><code>taskbar_active_background_id = integer</code> : Which background to use for the taskbar of the current virtual desktop.</p></li>
+<li><p><code>taskbar_hide_inactive_tasks = boolean (0 or 1)</code> :  If enabled, the taskbar shows only the active task. <em>(since 0.12)</em></p></li>
+<li><p><code>taskbar_hide_different_monitor = boolean (0 or 1)</code> :  If enabled, the taskbar shows only the tasks from the current monitor. Useful when running different tint2 instances on different monitors, each one having its own config. <em>(since 0.12)</em></p></li>
+<li><p><code>taskbar_always_show_all_desktop_tasks = boolean (0 or 1)</code> :  Has effect only if <code>taskbar_mode = multi_desktop</code>. If enabled, tasks that appear on all desktops are shown on all taskbars. Otherwise, they are shown only on the taskbar of the current desktop. <em>(since 0.12.4)</em></p></li>
+<li><p><code>taskbar_sort_order = none/title/center</code> : Specifies the sort order of the tasks on the taskbar.  <em>(since 0.12)</em></p>
+<ul>
+<li><code>none</code> : No sorting. New tasks are simply appended at the end of the taskbar when they appear.</li>
+<li><code>title</code> : Sorts the tasks by title.</li>
+<li><code>center</code> : Sorts the tasks by their window centers.</li>
+<li><code>mru</code> : Shows the most recently used tasks first. <em>(since 0.12.4)</em></li>
+<li><code>lru</code> : Shows the most recently used tasks last. <em>(since 0.12.4)</em></li>
+</ul></li>
+<li><p><code>task_align = left/center/right</code> : Specifies the alignment of the tasks on the taskbar. Default: left.</p></li>
+<li><p><code>taskbar_name = boolean (0 or 1)</code> :  Whether to show the virtual desktop name in the taskbar.</p></li>
+<li><p><code>taskbar_name_padding = padding</code> :  Padding for the virtual desktop name.</p></li>
+<li><p><code>taskbar_name_background_id = integer</code> :  Which background to use for the desktop name.</p></li>
+<li><p><code>taskbar_name_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code> :  Font configuration for the desktop name.</p></li>
+<li><p><code>taskbar_name_font_color = color opacity (0 to 100)</code> :  Font color for the desktop name.</p></li>
+<li><p><code>taskbar_name_active_background_id = integer</code> :  Which background to use for the name of the current desktop.</p></li>
+<li><p><code>taskbar_name_active_font_color = color opacity (0 to 100)</code> :  Font color for the name of the current desktop.</p></li>
+</ul>
+<h1 id="taskbar-buttons">Taskbar buttons<a name="taskbar-buttons" href="#taskbar-buttons" class="md2man-permalink" title="permalink"></a></h1><p>The following options configure the task buttons in the taskbar:</p>
+<ul>
+<li><p><code>task_icon = boolean (0 or 1)</code> : Whether to display the task icon.</p></li>
+<li><p><code>task_text = boolean (0 or 1)</code> : Whether to display the task text.</p></li>
+<li><p><code>task_centered = boolean (0 or 1)</code> : Whether the task text is centered.</p></li>
+<li><p><code>task_tooltip = boolean (0 or 1)</code> : Whether to show tooltips for tasks.</p></li>
+<li><p><code>task_maximum_size = width height</code></p>
+<ul>
+<li><code>width</code> is used with horizontal panels to limit the size of the tasks. Use <code>width = 0</code> to get full taskbar width.</li>
+<li><code>height</code> is used with vertical panels.</li>
+</ul></li>
+<li><p><code>task_padding = horizontal_padding vertical_padding spacing</code></p></li>
+<li><p><code>urgent_nb_of_blink = integer</code> : Number of blinks on &#39;get attention&#39; events.</p></li>
+</ul>
+<p><img src="task_padding.jpg" alt=""></p>
+<ul>
+<li><p><code>task_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>task_font_color = color opacity (0 to 100)</code></p></li>
+<li><p><code>task_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjust the task icon&#39;s color and transparency.</p></li>
+<li><p><code>task_background_id = integer</code> : Which background to use for non selected tasks</p></li>
+</ul>
+<dl><dt>For the next 3 options STATUS can be <code>active</code> / <code>iconified</code>  / <code>urgent</code>:</dt><dd>* <code>task_STATUS_font_color = color opacity (0 to 100)</code></dd></dl>
+<ul>
+<li><p><code>task_STATUS_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjusts the task icon&#39;s color and transparency.</p></li>
+<li><p><code>task_STATUS_background_id = integer</code> : Which background to use for the task.</p></li>
+</ul>
+<h3 id="mouse-actions-for-taskbar-buttons">Mouse actions for taskbar buttons<a name="mouse-actions-for-taskbar-buttons" href="#mouse-actions-for-taskbar-buttons" class="md2man-permalink" title="permalink"></a></h3><p>The possible mouse events are: <code>left, middle, right, scroll_up, scroll_down</code>.</p><p>The possible mouse actions are: <code>none, close, toggle, iconify, shade, toggle_iconify, maximize_restore, desktop_left, desktop_right, next_task, prev_task</code>.</p><p>Use <code>mouse_event = action</code> to customize mouse actions. Example:
+<code>
+  mouse_middle = none
+  mouse_right = close
+  mouse_scroll_up = toggle
+  mouse_scroll_down = iconify
+</code></p><dl><dt>The action semantics:</dt><dd>* <code>none</code> : If <code>wm_menu = 1</code> is set, the mouse event is forwarded to the window manager. Otherwise it is ignored.
+* <code>close</code> : close the task
+* <code>toggle</code> : toggle the task
+* <code>iconify</code> : iconify (minimize) the task
+* <code>toggle_iconify</code> : toggle or iconify the task
+* <code>maximize_restore</code> : maximized or minimized the task
+* <code>shade</code> : shades (collapses) the task
+* <code>desktop_left</code> : send the task to the desktop on the left
+* <code>desktop_right</code> : send the task to the desktop on the right
+* <code>next_task</code> : send the focus to next task
+* <code>prev_task</code> : send the focus to previous task</dd></dl><h3 id="system-tray">System Tray<a name="system-tray" href="#system-tray" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>systray_padding = horizontal_padding vertical_padding spacing</code></p></li>
+<li><p><code>systray_background_id = integer</code> : Which background to use.</p></li>
+<li><p><code>systray_sort = ascending/descending/left2right/right2left</code> : Specifies the sorting order for the icons in the systray: in ascending/descending alphabetical order of the icon title, or always add icons to the right/left (note that with <code>left2right</code> or <code>right2left</code> the order can be different on panel restart).</p></li>
+<li><p><code>systray_icon_size = max_icon_size</code> : Set the maximum system tray icon size to <code>number</code>. Set to <code>0</code> for automatic icon sizing.</p></li>
+<li><p><code>systray_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)</code> : Adjust the systray icons color and transparency.</p></li>
+<li><p><code>systray_monitor = integer (1, 2, ...)</code> :  On which monitor to draw the systray. The first monitor is <code>1</code>. <em>(since 0.12)</em></p></li>
+</ul>
+<h3 id="clock">Clock<a name="clock" href="#clock" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>time1_format = %H:%M</code> : The format used by the first line of the clock.</p>
+<ul>
+<li><code>time1_format</code>, <code>time2_format</code> and <code>clock_tooltip</code> use the &#39;strftime&#39; syntax. More info can be found here: <a href="http://www.manpagez.com/man/3/strftime/">http://www.manpagez.com/man/3/strftime/</a></li>
+<li>To hide the clock, comment <code>time1_format</code> and <code>time2_format</code>.</li>
+</ul></li>
+<li><p><code>time1_timezone = :US/Hawaii</code></p>
+<ul>
+<li><code>time1_timezone</code>, <code>time2_timezone</code> and <code>clock_tooltip_timezone</code> can be used to specify a timezone. If you do not specify a value the system-wide timezone is used. The timezones can usually be found in <code>/usr/share/zoneinfo</code>. If your timezones are in a different directory, you need to specify the absolute path, e.g. <code>time1_timezone = :/different/zoneinfo/dir/US/Hawaii</code> Always prepend the timezone with a &#39;:&#39;</li>
+</ul></li>
+<li><p><code>time1_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>time2_format = %A %d %B</code></p></li>
+<li><p><code>time2_timezone = :Europe/Berlin</code></p></li>
+<li><p><code>time2_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>clock_font_color = color opacity (0 to 100)</code></p></li>
+<li><p><code>clock_padding = horizontal_padding vertical_padding</code></p></li>
+<li><p><code>clock_background_id = integer</code> : Which background to use</p></li>
+<li><p><code>clock_tooltip = %a, %d. %b %Y</code> : Format for the clock&#39;s tooltip.</p></li>
+<li><p><code>clock_tooltip_timezone = :UTC</code></p></li>
+<li><p><code>clock_lclick_command = text</code> : Command to execute on left click.</p></li>
+<li><p><code>clock_rclick_command = text</code> : Command to execute on right click.</p></li>
+<li><p><code>clock_mclick_command = text</code> : Command to execute on middle click. <em>(since 0.12.1)</em></p></li>
+<li><p><code>clock_uwheel_command = text</code> : Command to execute on wheel scroll up. <em>(since 0.12.1)</em></p></li>
+<li><p><code>clock_dwheel_command = text</code> : Command to execute on wheel scroll down. <em>(since 0.12.1)</em></p></li>
+</ul>
+<h3 id="tooltip">Tooltip<a name="tooltip" href="#tooltip" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>tooltip_padding = horizontal_padding vertical_padding</code></p></li>
+<li><p><code>tooltip_show_timeout = float</code> : Delay to show the tooltip in seconds. Use &#39;.&#39; as decimal separator.</p></li>
+<li><p><code>tooltip_hide_timeout = float</code> : Delay to hide the tooltip in seconds. Use &#39;.&#39; as decimal separator.</p></li>
+<li><p><code>tooltip_background_id = integer</code> : Which background to use for tooltips. Note that with fake transparency the alpha channel and corner radius options are not respected.</p></li>
+<li><p><code>tooltip_font_color = color opacity  (0 to 100)</code></p></li>
+<li><p><code>tooltip_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+</ul>
+<h3 id="battery">Battery<a name="battery" href="#battery" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>battery_hide = never/integer (0 to 100)</code> : At what battery percentage the battery item is hidden.</p></li>
+<li><p><code>battery_low_status = integer</code>: At what battery percentage the low command is executed.</p></li>
+<li><p><code>battery_low_cmd = notify-send &quot;battery low&quot;</code> : Command to execute when the battery is low.</p></li>
+<li><p><code>bat1_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>bat2_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code></p></li>
+<li><p><code>battery_font_color = color opacity (0 to 100)</code></p></li>
+<li><p><code>battery_padding = horizontal_padding vertical_padding</code></p></li>
+<li><p><code>battery_background_id = integer</code> : Which background to use for the battery.</p></li>
+<li><p><code>battery_tooltip_enabled = boolean (0 or 1)</code> : Enable/disable battery tooltips. <em>(since 0.12.3)</em></p></li>
+<li><p><code>battery_lclick_command = text</code> : Command to execute on left click. <em>(since 0.12.1)</em></p></li>
+<li><p><code>battery_rclick_command = text</code> : Command to execute on right click. <em>(since 0.12.1)</em></p></li>
+<li><p><code>battery_mclick_command = text</code> : Command to execute on middle click. <em>(since 0.12.1)</em></p></li>
+<li><p><code>battery_uwheel_command = text</code> : Command to execute on wheel scroll up. <em>(since 0.12.1)</em></p></li>
+<li><p><code>battery_dwheel_command = text</code> : Command to execute on wheel scroll down. <em>(since 0.12.1)</em></p></li>
+<li><p><code>ac_connected_cmd = text</code> : Command to execute when the power adapter is plugged in. <em>(since 0.12.3)</em></p></li>
+<li><p><code>ac_disconnected_cmd = text</code> : Command to execute when the power adapter is unplugged. <em>(since 0.12.3)</em></p></li>
+</ul>
+<h3 id="executor">Executor<a name="executor" href="#executor" class="md2man-permalink" title="permalink"></a></h3>
+<ul>
+<li><p><code>execp = new</code> : Begins the configuration of a new executor plugin. Multiple such plugins are supported; just use multiple <code>E</code>s in <code>panel_items</code>. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_command = text</code> : Command to execute. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_interval = integer</code> : The command is executed again after <code>execp_interval</code> seconds from the moment it exits. If zero, the command is executed only once. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_continuous = integer</code> : If non-zero, the last <code>execp_continuous</code> lines from the output of the command are displayed, every <code>execp_continuous</code> lines; this is useful for showing the output of commands that run indefinitely, such as <code>ping 127.0.0.1</code>. If zero, the output of the command is displayed after it finishes executing. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_has_icon = boolean (0 or 1)</code> : If <code>execp_has_icon = 1</code>, the first line printed by the command is interpreted as a path to an image file. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_cache_icon = boolean (0 or 1)</code> : If execp<em>cache</em>icon = 0, the image is reloaded each time the command is executed (useful if the image file is changed on disk by the program executed by <code>execp_command</code>). <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_icon_w = integer</code> : You can use execp<em>icon</em>w and execp<em>icon</em>h to resize the image. If one of them is zero/missing, the image is rescaled proportionally. If both of them are zero/missing, the image is not rescaled. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_icon_h = integer</code> : See <code>execp_icon_w</code>. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_tooltip = text</code> : The tooltip. Leave it empty to not display a tooltip. Not specifying this option leads to showing an automatically generated tooltip with information about when the command was last executed. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]</code> : The font used to draw the text.  <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_font_color = color opacity</code> : The font color. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_markup = boolean (0 or 1)</code> : If non-zero, the output of the command is treated as Pango markup, which allows rich text formatting. The format is <a href="https://developer.gnome.org/pygtk/stable/pango-markup-language.html">documented here</a>. Note that using this with commands that print data downloaded from the Internet is a possible security risk. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_background_id = integer</code> : Which background to use. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_centered = boolean (0 or 1)</code> : Whether to center the text. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_padding = horizontal_padding vertical_padding spacing_between_icon_and_text</code> <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_lclick_command = text</code> : Command to execute on left click. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_mclick_command = text</code> : Command to execute on right click. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_rclick_command = text</code> : Command to execute on middle click. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_uwheel_command = text</code> : Command to execute on wheel scroll up. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+<li><p><code>execp_dwheel_command = text</code> : Command to execute on wheel scroll down. If not defined, <code>execp_command</code> is  executed immediately, unless it is currently running. <em>(since 0.12.4)</em></p></li>
+</ul>
+<h4 id="executor-samples">Executor samples<a name="executor-samples" href="#executor-samples" class="md2man-permalink" title="permalink"></a></h4><h5 id="print-the-hostname">Print the hostname<a name="print-the-hostname" href="#print-the-hostname" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = hostname
+execp_interval = 0
+</code></pre>
+<h5 id="print-disk-usage-for-the-root-partition-every-10-seconds">Print disk usage for the root partition every 10 seconds<a name="print-disk-usage-for-the-root-partition-every-10-seconds" href="#print-disk-usage-for-the-root-partition-every-10-seconds" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = df -h | awk '/\/$/ { print $6 ": " $2 " " $5}'
+execp_interval = 10
+</code></pre>
+<h5 id="button-with-icon-and-rich-text-executes-command-when-clicked">Button with icon and rich text, executes command when clicked<a name="button-with-icon-and-rich-text-executes-command-when-clicked" href="#button-with-icon-and-rich-text-executes-command-when-clicked" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = echo /usr/share/icons/elementary-xfce/emblems/24/emblem-colors-blue.png; echo '&lt;span foreground="#7f7"&gt;Click&lt;/span&gt; &lt;span foreground="#77f"&gt;me&lt;/span&gt; &lt;span foreground="#f77"&gt;pls&lt;/span&gt;'
+execp_has_icon = 1
+execp_interval = 0
+execp_centered = 1
+execp_font = sans 9
+execp_markup = 1
+execp_font_color = #aaffaa 100
+execp_padding = 2 0
+execp_tooltip = I will tell you a secret...
+execp_lclick_command = zenity --info "--text=$(uname -sr)"
+execp_background_id = 2
+</code></pre>
+<h5 id="desktop-pager-with-text">Desktop pager with text<a name="desktop-pager-with-text" href="#desktop-pager-with-text" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = xprop -root -spy | awk '/^_NET_CURRENT_DESKTOP/ { print "Workspace " ($3 + 1) ; fflush(); }'
+execp_interval = 1
+execp_continuous = 1
+</code></pre>
+<h5 id="desktop-pager-with-icon">Desktop pager with icon<a name="desktop-pager-with-icon" href="#desktop-pager-with-icon" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp_command = xprop -root -spy | awk -v home="$HOME" '/^_NET_CURRENT_DESKTOP/ { print home "/.config/myPager/" ($3 + 1) ".png\n" ; fflush(); }'
+execp_interval = 1
+execp_has_icon = 1
+execp_cache_icon = 1
+execp_continuous = 2
+</code></pre>
+<h5 id="round-trip-time-to-the-gateway-refreshed-every-second">Round-trip time to the gateway, refreshed every second<a name="round-trip-time-to-the-gateway-refreshed-every-second" href="#round-trip-time-to-the-gateway-refreshed-every-second" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = ping -i 1 -W 1 -O -D -n $(ip route | grep default | grep via | grep -o '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*') | awk '/no/ { print "&lt;span foreground=\"#faa\"&gt;timeout&lt;/span&gt;"; fflush(); }; /time=/ { gsub(/time=/, "", $8); printf "&lt;span foreground=\"#7af\"&gt;%3.0f %s&lt;/span&gt;\n", $8, $9; fflush(); } '
+execp_continuous = 1
+execp_interval = 1
+execp_markup = 1
+</code></pre>
+<h5 id="memory-usage">Memory usage<a name="memory-usage" href="#memory-usage" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code>execp = new
+execp_command = free -s 2 | awk '/^-/ { printf "Mem: '$(free -h | awk '/^Mem:/ { print $2 }')' %.0f%\n", 100*$3/($3+$4); fflush(stdout) }'
+execp_interval = 1
+execp_continuous = 1
+</code></pre>
+<h5 id="network-load">Network load<a name="network-load" href="#network-load" class="md2man-permalink" title="permalink"></a></h5><pre class="highlight plaintext"><code># Note the use of "stdbuf -oL" to force the program to flush the output line by line.
+execp = new
+execp_command = stdbuf -oL bwm-ng -o csv -t 1000 | awk -F ';' '/total/ { printf "Net: %.0f Mb/s\n", ($5*8/1.0e6) }; fflush(stdout)'
+execp_continuous = 1
+execp_interval = 1
+</code></pre>
+<h3 id="example-configuration">Example configuration<a name="example-configuration" href="#example-configuration" class="md2man-permalink" title="permalink"></a></h3><pre class="highlight plaintext"><code>#---------------------------------------------
+## TINT2 CONFIG FILE
+#---------------------------------------------
+
+#---------------------------------------------
+## BACKGROUND AND BORDER
+#---------------------------------------------
+rounded = 7
+border_width = 2
+background_color = #000000 60
+border_color = #ffffff 18
+
+rounded = 5
+border_width = 0
+background_color = #ffffff 40
+border_color = #ffffff 50
+
+rounded = 5
+border_width = 0
+background_color = #ffffff 18
+border_color = #ffffff 70
+
+#---------------------------------------------
+## PANEL
+#---------------------------------------------
+panel_monitor = all
+panel_position = bottom center
+panel_size = 94% 30
+panel_margin = 0 0
+panel_padding = 7 0
+font_shadow = 0
+panel_background_id = 1
+wm_menu = 0
+panel_dock = 0
+panel_layer = bottom
+
+#---------------------------------------------
+## TASKBAR
+#---------------------------------------------
+#taskbar_mode = multi_desktop
+taskbar_mode = single_desktop
+taskbar_padding = 2 3 2
+taskbar_background_id = 0
+#taskbar_active_background_id = 0
+
+#---------------------------------------------
+## TASKS
+#---------------------------------------------
+task_icon = 1
+task_text = 1
+task_maximum_size = 140 35
+task_centered = 1
+task_padding = 6 3
+task_font = sans 7
+task_font_color = #ffffff 70
+task_background_id = 3
+task_icon_asb = 100 0 0
+## replace STATUS by 'urgent', 'active' or 'iconfied'
+#task_STATUS_background_id = 2
+#task_STATUS_font_color = #ffffff 85
+#task_STATUS_icon_asb = 100 0 0
+## example:
+task_active_background_id = 2
+task_active_font_color = #ffffff 85
+task_active_icon_asb = 100 0 0
+urgent_nb_of_blink = 8
+
+#---------------------------------------------
+## SYSTRAYBAR
+#---------------------------------------------
+systray = 1
+systray_padding = 0 4 5
+systray_background_id = 0
+systray_sort = left2right
+systray_icon_size = 0
+systray_icon_asb = 100 0 0
+
+#---------------------------------------------
+## CLOCK
+#---------------------------------------------
+time1_format = %H:%M
+time1_font = sans 8
+time2_format = %A %d %B
+time2_font = sans 6
+clock_font_color = #ffffff 76
+clock_padding = 1 0
+clock_background_id = 0
+#clock_lclick_command = xclock
+clock_rclick_command = orage
+#clock_tooltip = %A %d %B
+#time1_timezone = :US/Hawaii
+#time2_timezone = :Europe/Berlin
+#clock_tooltip_timezone = :/usr/share/zoneinfo/Europe/Paris
+
+#---------------------------------------------
+## BATTERY
+#---------------------------------------------
+battery = 0
+battery_hide = 98
+battery_low_status = 10
+battery_low_cmd = notify-send "battery low"
+bat1_font = sans 8
+bat2_font = sans 6
+battery_font_color = #ffffff 76
+battery_padding = 1 0
+battery_background_id = 0
+
+#---------------------------------------------
+## TOOLTIP
+#---------------------------------------------
+tooltip = 0
+tooltip_padding = 2 2
+tooltip_show_timeout = 0.7
+tooltip_hide_timeout = 0.3
+tooltip_background_id = 1
+tooltip_font_color = #OOOOOO 80
+tooltip_font = sans 10
+
+#---------------------------------------------
+## MOUSE ACTION ON TASK
+#---------------------------------------------
+mouse_middle = none
+mouse_right = close
+mouse_scroll_up = toggle
+mouse_scroll_down = iconify
+
+#---------------------------------------------
+## AUTOHIDE OPTIONS
+#---------------------------------------------
+autohide = 0
+autohide_show_timeout = 0.3
+autohide_hide_timeout = 2
+autohide_height = 4
+strut_policy = minimum
+</code></pre>
+<h2 id="author">AUTHOR<a name="author" href="#author" class="md2man-permalink" title="permalink"></a></h2><p>tint2 was written by Thierry Lorthiois <a href="mailto:lorthiois@bbsoft.fr">lorthiois@bbsoft.fr</a>.
+It is based on ttm, originally written by Pål Staurland <a href="mailto:staura@gmail.com">staura@gmail.com</a>.</p><p>This manual page was written by Daniel Moerner <a href="mailto:dmoerner@gmail.com">dmoerner@gmail.com</a>, for the Debian project (but may be used by others).
+It was adopted from the tint2 docs.</p><h2 id="see-also">SEE ALSO<a name="see-also" href="#see-also" class="md2man-permalink" title="permalink"></a></h2><p>The main website <a href="https://gitlab.com/o9000/tint2">https://gitlab.com/o9000/tint2</a>
+and the wiki page at <a href="https://gitlab.com/o9000/tint2/wikis/home">https://gitlab.com/o9000/tint2/wikis/home</a>.</p>

doc/tint2.md

@@ -0,0 +1,839 @@
+# TINT2 1 "2017-03-12"
+
+## NAME
+tint2 - lightweight panel/taskbar
+
+## SYNOPSIS
+`tint2 [-c path_to_config_file]`
+
+## DESCRIPTION
+tint2 is a simple panel/taskbar made for modern X window managers.
+It was specifically made for Openbox but it should also work with other window managers (GNOME, KDE, XFCE etc.).
+
+Features:
+
+  * Panel with taskbar, system tray, clock and launcher icons;
+  * Easy to customize: color/transparency on fonts, icons, borders and backgrounds;
+  * Pager like capability: move tasks between workspaces (virtual desktops), switch between workspaces;
+  * Multi-monitor capability: create one panel per monitor, showing only the tasks from the current monitor;
+  * Customizable mouse events.
+
+Goals:
+
+  * Be unintrusive and light (in terms of memory, CPU and aesthetic);
+  * Follow the freedesktop.org specifications;
+  * Make certain workflows, such as multi-desktop and multi-monitor, easy to use.
+
+## OPTIONS
+`-c path_to_config_file`
+  Specifies which configuration file to use instead of the default.
+
+## CONFIGURATION
+
+### Table of contents
+
+  * [Introduction](#introduction)
+
+  * [Backgrounds and borders](#backgrounds-and-borders)
+
+  * [Gradients](#gradients)
+
+  * [Panel](#panel)
+
+  * [Launcher](#launcher)
+
+  * [Taskbar/Pager](#taskbar-pager)
+
+  * [Taskbar buttons](#taskbar-buttons)
+
+  * [Mouse actions for taskbar buttons](#mouse-actions-for-taskbar-buttons)
+
+  * [System tray](#system-tray)
+
+  * [Clock](#clock)
+
+  * [Tooltip](#tooltip)
+
+  * [Battery](#battery)
+
+  * [Executor](#executor)
+
+  * [Separator](#separator)
+
+  * [Example configuration](#example-configuration)
+
+### Introduction
+
+These are instructions for configuring tint2 directly by editing its config file.
+You may also use instead the graphical interface `tint2conf`.
+
+The first time you run tint2, it will create the config file in `$HOME/.config/tint2/tint2rc` (This applies if you have done a clean install. Running tint2 in the source directory without doing 'make install' will not create the config file.)
+
+You can also specify another file on the command line with the -c option, e.g.: `tint2 -c $HOME/tint2.conf`. This can be used to run multiple instances of tint2 that use different settings.
+
+If you change the config file while tint2 is running, the command `killall -SIGUSR1 tint2` will force tint2 to reload it.
+
+All the configuration options supported in the config file are listed below.
+Try to respect as much as possible the order of the options as given below.
+
+### Backgrounds and borders
+
+The tint2 config file starts with the options defining background elements with borders:
+
+  * `rounded = number_of_pixels` : the corner radius
+
+  * `border_width = integer` : the border width in pixels
+
+  * `border_sides = LRTB` : the sides to draw the border on (left, right, top, bottom). If not specified, all sides are used. *(since 0.12.12)*
+
+  * `background_color = color opacity`
+    * `color` is specified in hex RGB, e.g. #ff0000 is red
+    * `opacity` varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque. Note that for a transparent panel you need to enable a desktop compositor (such as compton or compiz).
+
+  * `border_color = color opacity`
+    * `color` is specified in hex RGB, e.g. #ff0000 is red
+    * `opacity` varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque
+
+  * `background_color_hover = color opacity` (default: same as `background_color`) *(since 0.12.3)*
+    * `color` is specified in hex RGB, e.g. #ff0000 is red
+    * `opacity` varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque. Note that for a transparent panel you need to enable a desktop compositor (such as compton or compiz)
+
+  * `border_color_hover = color opacity` (default: same as `border_color`) *(since 0.12.3)*
+    * `color` is specified in hex RGB, e.g. #ff0000 is red
+    * `opacity` varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque
+
+  * `background_color_pressed = color opacity` (default: same as `background_color_hover`) *(since 0.12.3)*
+    * `color` is specified in hex RGB, e.g. #ff0000 is red
+    * `opacity` varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque. Note that for a transparent panel you need to enable a desktop compositor (such as compton or compiz)
+
+  * `border_color_pressed = color opacity` (default: same as `border_color_hover`) *(since 0.12.3)*
+    * `color` is specified in hex RGB, e.g. #ff0000 is red
+    * `opacity` varies from (0 to 100), where 0 is fully transparent, 100 is fully opaque
+
+You can define as many backgrounds as you want. For example, the following config defines two backgrounds:
+
+```
+rounded = 1
+border_width = 0
+background_color = #282828 100
+border_color = #000000 0
+
+rounded = 1
+border_width = 0
+background_color = #f6b655 90
+border_color = #cccccc 40
+```
+
+tint2 automatically identifies each background with a number starting from 1 (1, 2, ...).
+Afterwards, you can apply a background to objects (panel, taskbar, task, clock, systray) using the background id, for example:
+
+```
+panel_background_id = 1
+taskbar_background_id = 0
+task_background_id = 0
+task_active_background_id = 2
+systray_background_id = 0
+clock_background_id = 0
+```
+
+Identifier 0 refers to a special background which is fully transparent, identifier 1 applies the first background defined in the config file etc.
+
+### Gradients
+
+(Available since 0.13.0)
+
+Backgrounds also allow specifying gradient layers
+that are drawn on top of the solid color background.
+
+First the user must define one or more gradients in the config file,
+each starting with `gradient = TYPE`. These must be added before backgrounds.
+
+Then gradients can be added by index to backgrounds,
+using the `gradient_id = INDEX`, `gradient_id_hover = INDEX` and
+`gradient_id_pressed = INDEX`, where `INDEX` is
+the gradient index, starting from 1.
+
+#### Gradient types
+
+Gradients vary the color between fixed control points:
+* vertical gradients: top-to-bottom;
+* horizontal gradients: left-to-right;
+* radial gradients: center-to-corners.
+
+The user must specify the start and end colors, and can optionally add extra color stops in between
+using the `color_stop` option, as explained below.
+
+##### Vertical gradient, with color varying from the top edge to the bottom edge, two colors
+
+```
+gradient = vertical
+start_color = #rrggbb opacity
+end_color = #rrggbb opacity
+```
+
+##### Horizontal gradient, with color varying from the left edge to the right edge, two colors
+
+```
+gradient = horizontal
+start_color = #rrggbb opacity
+end_color = #rrggbb opacity
+```
+
+##### Radial gradient, with color varying from the center to the corner, two colors:
+
+```
+gradient = radial
+start_color = #rrggbb opacity
+end_color = #rrggbb opacity
+```
+
+##### Adding extra color stops (0% and 100% remain fixed, more colors at x% between the start and end control points)
+
+```
+color_stop = percentage #rrggbb opacity
+```
+
+#### Gradient examples
+
+```
+# Gradient 1: thin film effect
+gradient = horizontal
+start_color = #111122 30
+end_color = #112211 30
+color_stop = 60 #221111 30
+
+# Gradient 2: radial glow
+gradient = radial
+start_color = #ffffff 20
+end_color = #ffffff 0
+
+# Gradient 3: elegant black
+gradient = vertical
+start_color = #444444 100
+end_color = #222222 100
+
+# Gradient 4: elegant black
+gradient = horizontal
+start_color = #111111 100
+end_color = #222222 100
+
+# Background 1: Active desktop name
+rounded = 2
+border_width = 1
+border_sides = TBLR
+background_color = #555555 10
+border_color = #ffffff 60
+background_color_hover = #555555 10
+border_color_hover = #ffffff 60
+background_color_pressed = #555555 10
+border_color_pressed = #ffffff 60
+gradient_id = 3
+gradient_id_hover = 4
+gradient_id_pressed = 2
+
+[...]
+```
+
+### Panel
+
+  * `panel_items = LTSBC` defines the items tint2 will show and the order of those items. Each letter refers to an item, defined as:
+    * `L` shows the Launcher
+    * `T` shows the Taskbar
+    * `S` shows the Systray (also called notification area)
+    * `B` shows the Battery status
+    * `C` shows the Clock
+    * `F` adds an extensible spacer (freespace). You can specify more than one. Has no effect if `T` is also present. *(since 0.12)*
+    * `E` adds an executor plugin. You can specify more than one. *(since 0.12.4)*
+    * `:` adds a separator. You can specify more than one. *(since 0.13.0)*
+
+    For example, `panel_items = STC` will show the systray, the taskbar and the clock (from left to right).
+
+  * `panel_monitor = monitor (all or 1 or 2 or ...)` : Which monitor tint2 draws the panel on
+    * The first monitor is `1`
+    * Use `panel_monitor = all` to get a separate panel per monitor
+
+  * `primary_monitor_first = boolean (0 or 1)` : Place the primary monitor before all the other monitors in the list. *(since 0.12.4)*
+
+![](images/panel_padding.jpg)
+
+  * `panel_position = vertical_position horizontal_position orientation`
+    * `vertical_position` is one of: `bottom`, `top`, `center`
+    * `horizontal_position` is one of: `left`, `right`, `center`
+    * `orientation` is one of: `horizontal`, `vertical`
+
+  * `panel_size = width height`
+    * `width` and `height` can be specified without units (e.g. `123`) as pixels, or followed by `%` as percentages of the monitor size (e.g. `50%`). Use `100%` for full monitor width/height.
+      Example:
+
+```
+# The panel's width is 94% the size of the monitor, the height is 30 pixels:
+panel_size = 94% 30
+```
+
+  * `panel_shrink = boolean (0 or 1)` : If set to 1, the panel will shrink to a compact size dynamically. *(since 0.13)*
+
+  * `panel_margin = horizontal_margin vertical_margin` : The margins define the distance between the panel and the horizontal/vertical monitor edge. Use `0` to obtain a panel with the same size as the edge of the monitor (no margin).
+
+![](images/panel_size_margin.jpg)
+
+  * `panel_padding = horizontal_padding vertical_padding spacing` : Please refer to the image below.
+
+![](images/panel_padding.jpg)
+
+  * `font_shadow = boolean (0 or 1)`
+
+  * `panel_background_id = integer` : Which background to use for the panel.
+
+  * `wm_menu = boolean (0 or 1)` : Defines if tint2 forwards unhandled mouse events to your window manager. Useful for window managers such as openbox, which display the start menu if you right click on the desktop.
+
+  * `panel_dock = boolean (0 or 1)` : Defines if tint2 is placed into the window manager's dock. For the openbox window manager it is advised to also use a modifier for the moveButton option, otherwise the mouse click is not forwarded to tint2 (in ~/.config/openbox/rc.xml).
+
+  * `panel_layer = bottom/normal/top` : Places tint2 into the bottom/normal/top layer. This is helpful for specifying if the panel can be covered by other windows or not. The default is the bottom layer, but with real transparency normal or top layer may be a nice alternative.
+
+  * `strut_policy = follow_size/minimum/none` : STRUTs are used by the window manager to decide the size of maximized windows. Note: on multi-monitor (Xinerama) setups, the panel must be placed at the edge (not in the middle) of the virtual screen for this to work correctly.
+    * `follow_size` means that the maximized windows always resize to have a common edge with tint2.
+    * `minimum` means that the maximized windows always expand to have a common edge with the hidden panel. This is useful if the `autohide` option is enabled.
+    * `none` means that the maximized windows use the full screen size.
+
+  * `panel_window_name = string` : Defines the name of the panel's window. Default: 'tint2'. *(since 0.12)*
+
+  * `disable_transparency = boolean (0 or 1)` : Whether to disable transparency instead of detecting if it is supported. Useful on broken graphics stacks. *(since 0.12)*
+
+  * `mouse_effects = boolean (0 or 1)` : Whether to enable mouse hover effects for clickable items. *(since 0.12.3)*
+
+  * `mouse_hover_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)` : Adjusts the icon color and transparency on mouse hover (works only when mouse_effects = 1).` *(since 0.12.3)*
+
+  * `mouse_pressed_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)` : Adjusts the icon color and transparency on mouse press (works only when mouse_effects = 1).` *(since 0.12.3)*
+
+  * `autohide = boolean (0 or 1)` : Whether to enable panel hiding when the mouse cursor exists the panel.
+
+  * `autohide_show_timeout = float` : Show timeout in seconds after the mouse cursor enters the panel. Use '.' as decimal separator.
+
+  * `autohide_hide_timeout = float` : Hide timeout in seconds after the mouse cursor exits the panel. Use '.' as decimal separator.
+
+  * `autohide_height = integer` : panel height (width for vertical panels) in hidden mode.
+
+### Launcher
+  * `launcher_item_app = path_to_application` : Each `launcher_item_app` must be a file path to a .desktop file following the freedesktop.org [specification](http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html). The paths may begin with `~`, which is expanded to the path of the user's home directory. If only a file name is specified, the file is search in the standard application directories (`$XDG_DATA_HOME/applications`, `~/.local/share/applications`, `$XDG_DATA_DIRS/applications`, `/usr/local/share/applications`, `/usr/share/applications`, `/opt/share/applications`).
+
+  * `launcher_apps_dir = path_to_directory` : Specifies a path to a directory from which the launcher is loading all .desktop files (all subdirectories are explored recursively). Can be used multiple times. The path may begin with `~`, which is expanded to the path of the user's home directory. *(since 0.12)*
+
+  * `launcher_background_id = integer` : Defines which background to use.
+
+  * `launcher_icon_background_id = integer` : Defines which background to use for icons.
+
+  * `launcher_padding = horizontal_padding vertical_padding spacing`
+
+  * `launcher_icon_size = integer` : The launcher icon size, in pixels.
+
+  * `launcher_icon_theme = name_of_theme` : (Optional) Uses the specified icon theme to display shortcut icons. Note that tint2 will detect and use the icon theme of your desktop if you have an XSETTINGS manager running (which you probably do), unless `launcher_icon_theme_override = 1`.
+
+  * `launcher_icon_theme_override = boolean (0 or 1)` : Whether `launcher_icon_theme` overrides the value obtained from the XSETTINGS manager. *(since 0.12)*
+
+  * `launcher_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)` : Adjusts the icon color and transparency.
+
+  * `launcher_tooltip = boolean (0 or 1)` : Whether to show tooltips for the launcher icons.
+
+  * `startup_notifications = boolean (0 or 1)` : Whether to show startup notifications when starting applications from the launcher. *(since 0.12)*
+
+### Taskbar / Pager
+
+  * `taskbar_mode = single_desktop/multi_desktop`
+    * `single_desktop` : Shows a normal taskbar listing the tasks running on the current virtual desktop (also known as 'workspace');
+    * `multi_desktop` : Pager like capability. Shows multiple taskbars, one per virtual desktop, with which:
+      * You can drag-and-drop tasks between virtual desktops;
+      * You can switch between virtual desktops.
+
+  * `taskbar_hide_if_empty = boolean (0 or 1)` : If enabled, in multi-desktop mode the taskbars corresponding to empty desktops different from the current desktop are hidden. *(since 0.13)*
+
+  * `taskbar_distribute_size = boolean (0 or 1)` : If enabled, in multi-desktop mode distributes between taskbars the available size proportionally to the number of tasks. Default: disabled. *(since 0.12)*
+
+  * `taskbar_padding = horizontal_padding vertical_padding spacing`
+
+![](images/taskbar_padding.jpg)
+
+  * `taskbar_background_id = integer` : Which background to use
+
+  * `taskbar_active_background_id = integer` : Which background to use for the taskbar of the current virtual desktop.
+
+  * `taskbar_hide_inactive_tasks = boolean (0 or 1)` :  If enabled, the taskbar shows only the active task. *(since 0.12)*
+
+  * `taskbar_hide_different_monitor = boolean (0 or 1)` :  If enabled, the taskbar shows only the tasks from the current monitor. Useful when running different tint2 instances on different monitors, each one having its own config. *(since 0.12)*
+
+  * `taskbar_always_show_all_desktop_tasks = boolean (0 or 1)` :  Has effect only if `taskbar_mode = multi_desktop`. If enabled, tasks that appear on all desktops are shown on all taskbars. Otherwise, they are shown only on the taskbar of the current desktop. *(since 0.12.4)*
+
+  * `taskbar_sort_order = none/title/center` : Specifies the sort order of the tasks on the taskbar.  *(since 0.12)*
+    * `none` : No sorting. New tasks are simply appended at the end of the taskbar when they appear.
+    * `title` : Sorts the tasks by title.
+    * `center` : Sorts the tasks by their window centers.
+    * `mru` : Shows the most recently used tasks first. *(since 0.12.4)*
+    * `lru` : Shows the most recently used tasks last. *(since 0.12.4)*
+
+  * `task_align = left/center/right` : Specifies the alignment of the tasks on the taskbar. Default: left.
+
+  * `taskbar_name = boolean (0 or 1)` :  Whether to show the virtual desktop name in the taskbar.
+
+  * `taskbar_name_padding = padding` :  Padding for the virtual desktop name.
+
+  * `taskbar_name_background_id = integer` :  Which background to use for the desktop name.
+
+  * `taskbar_name_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]` :  Font configuration for the desktop name.
+
+  * `taskbar_name_font_color = color opacity (0 to 100)` :  Font color for the desktop name.
+
+  * `taskbar_name_active_background_id = integer` :  Which background to use for the name of the current desktop.
+
+  * `taskbar_name_active_font_color = color opacity (0 to 100)` :  Font color for the name of the current desktop.
+
+# Taskbar buttons
+
+The following options configure the task buttons in the taskbar:
+
+  * `task_icon = boolean (0 or 1)` : Whether to display the task icon. There is no explicit option to control the task icon size; it depends on the vertical padding set with `task_padding`.
+
+  * `task_text = boolean (0 or 1)` : Whether to display the task text.
+
+  * `task_centered = boolean (0 or 1)` : Whether the task text is centered.
+
+  * `task_tooltip = boolean (0 or 1)` : Whether to show tooltips for tasks.
+
+  * `task_maximum_size = width height`
+    * `width` is used with horizontal panels to limit the size of the tasks. Use `width = 0` to get full taskbar width.
+    * `height` is used with vertical panels.
+
+  * `task_padding = horizontal_padding vertical_padding spacing`
+
+  * `urgent_nb_of_blink = integer` : Number of blinks on 'get attention' events.
+
+![](images/task_padding.jpg)
+
+  * `task_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]`
+
+  * `task_font_color = color opacity (0 to 100)`
+
+  * `task_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)` : Adjust the task icon's color and transparency.
+
+  * `task_background_id = integer` : Which background to use for non selected tasks
+
+For the next 3 options STATUS can be `active` / `iconified`  / `urgent`:
+  * `task_STATUS_font_color = color opacity (0 to 100)`
+
+  * `task_STATUS_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)` : Adjusts the task icon's color and transparency.
+
+  * `task_STATUS_background_id = integer` : Which background to use for the task.
+
+### Mouse actions for taskbar buttons
+
+The possible mouse events are: `left, middle, right, scroll_up, scroll_down`.
+
+The possible mouse actions are: `none, close, toggle, iconify, shade, toggle_iconify, maximize_restore, desktop_left, desktop_right, next_task, prev_task`.
+
+Use `mouse_event = action` to customize mouse actions. Example:
+```
+  mouse_middle = none
+  mouse_right = close
+  mouse_scroll_up = toggle
+  mouse_scroll_down = iconify
+```
+
+The action semantics:
+  * `none` : If `wm_menu = 1` is set, the mouse event is forwarded to the window manager. Otherwise it is ignored.
+  * `close` : close the task
+  * `toggle` : toggle the task
+  * `iconify` : iconify (minimize) the task
+  * `toggle_iconify` : toggle or iconify the task
+  * `maximize_restore` : maximized or minimized the task
+  * `shade` : shades (collapses) the task
+  * `desktop_left` : send the task to the desktop on the left
+  * `desktop_right` : send the task to the desktop on the right
+  * `next_task` : send the focus to next task
+  * `prev_task` : send the focus to previous task
+
+### System Tray
+
+  * `systray_padding = horizontal_padding vertical_padding spacing`
+
+  * `systray_background_id = integer` : Which background to use.
+
+  * `systray_sort = ascending/descending/left2right/right2left` : Specifies the sorting order for the icons in the systray: in ascending/descending alphabetical order of the icon title, or always add icons to the right/left (note that with `left2right` or `right2left` the order can be different on panel restart).
+
+  * `systray_icon_size = max_icon_size` : Set the maximum system tray icon size to `number`. Set to `0` for automatic icon sizing.
+
+  * `systray_icon_asb = alpha (0 to 100) saturation (-100 to 100) brightness (-100 to 100)` : Adjust the systray icons color and transparency.
+
+  * `systray_monitor = integer (1, 2, ...)` :  On which monitor to draw the systray. The first monitor is `1`. *(since 0.12)*
+
+  * `systray_name_filter = string` :  Regular expression to identify icon names to be hidden. For example, `^audacious$` will hide icons with the exact name `audacious`, while `aud` will hide any icons having `aud` in the name. *(since 0.13.1)*
+
+### Clock
+
+  * `time1_format = %H:%M` : The format used by the first line of the clock.
+    * `time1_format`, `time2_format` and `clock_tooltip` use the 'strftime' syntax. More info can be found here: http://www.manpagez.com/man/3/strftime/
+    * To hide the clock, comment `time1_format` and `time2_format`.
+
+  * `time1_timezone = :US/Hawaii`
+    * `time1_timezone`, `time2_timezone` and `clock_tooltip_timezone` can be used to specify a timezone. If you do not specify a value the system-wide timezone is used. The timezones can usually be found in `/usr/share/zoneinfo`. If your timezones are in a different directory, you need to specify the absolute path, e.g. `time1_timezone = :/different/zoneinfo/dir/US/Hawaii` Always prepend the timezone with a ':'
+
+  * `time1_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]`
+
+  * `time2_format = %A %d %B`
+
+  * `time2_timezone = :Europe/Berlin`
+
+  * `time2_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]`
+
+  * `clock_font_color = color opacity (0 to 100)`
+
+  * `clock_padding = horizontal_padding vertical_padding`
+
+  * `clock_background_id = integer` : Which background to use
+
+  * `clock_tooltip = %a, %d. %b %Y` : Format for the clock's tooltip.
+
+  * `clock_tooltip_timezone = :UTC`
+
+  * `clock_lclick_command = text` : Command to execute on left click.
+
+  * `clock_rclick_command = text` : Command to execute on right click.
+
+  * `clock_mclick_command = text` : Command to execute on middle click. *(since 0.12.1)*
+
+  * `clock_uwheel_command = text` : Command to execute on wheel scroll up. *(since 0.12.1)*
+
+  * `clock_dwheel_command = text` : Command to execute on wheel scroll down. *(since 0.12.1)*
+
+### Tooltip
+
+  * `tooltip_padding = horizontal_padding vertical_padding`
+
+  * `tooltip_show_timeout = float` : Delay to show the tooltip in seconds. Use `.` as decimal separator.
+
+  * `tooltip_hide_timeout = float` : Delay to hide the tooltip in seconds. Use `.` as decimal separator.
+
+  * `tooltip_background_id = integer` : Which background to use for tooltips. Note that with fake transparency the alpha channel and corner radius options are not respected.
+
+  * `tooltip_font_color = color opacity  (0 to 100)`
+
+  * `tooltip_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]`
+
+### Battery
+
+  * `battery_hide = never/integer (0 to 100)` : At what battery percentage the battery item is hidden.
+
+  * `battery_low_status = integer`: At what battery percentage the low command is executed.
+
+  * `battery_low_cmd = notify-send "battery low"` : Command to execute when the battery is low.
+
+  * `bat1_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]`
+
+  * `bat2_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]`
+
+  * `battery_font_color = color opacity (0 to 100)`
+
+  * `battery_padding = horizontal_padding vertical_padding`
+
+  * `battery_background_id = integer` : Which background to use for the battery.
+
+  * `battery_tooltip_enabled = boolean (0 or 1)` : Enable/disable battery tooltips. *(since 0.12.3)*
+
+  * `battery_lclick_command = text` : Command to execute on left click. *(since 0.12.1)*
+
+  * `battery_rclick_command = text` : Command to execute on right click. *(since 0.12.1)*
+
+  * `battery_mclick_command = text` : Command to execute on middle click. *(since 0.12.1)*
+
+  * `battery_uwheel_command = text` : Command to execute on wheel scroll up. *(since 0.12.1)*
+
+  * `battery_dwheel_command = text` : Command to execute on wheel scroll down. *(since 0.12.1)*
+
+  * `ac_connected_cmd = text` : Command to execute when the power adapter is plugged in. *(since 0.12.3)*
+
+  * `ac_disconnected_cmd = text` : Command to execute when the power adapter is unplugged. *(since 0.12.3)*
+
+### Executor
+
+  * `execp = new` : Begins the configuration of a new executor plugin. Multiple such plugins are supported; just use multiple `E`s in `panel_items`. *(since 0.12.4)*
+
+  * `execp_command = text` : Command to execute. *(since 0.12.4)*
+
+  * `execp_interval = integer` : The command is executed again after `execp_interval` seconds from the moment it exits. If zero, the command is executed only once. *(since 0.12.4)*
+
+  * `execp_continuous = integer` : If non-zero, the last `execp_continuous` lines from the output of the command are displayed, every `execp_continuous` lines; this is useful for showing the output of commands that run indefinitely, such as `ping 127.0.0.1`. If zero, the output of the command is displayed after it finishes executing. *(since 0.12.4)*
+
+  * `execp_has_icon = boolean (0 or 1)` : If `execp_has_icon = 1`, the first line printed by the command is interpreted as a path to an image file. *(since 0.12.4)*
+
+  * `execp_cache_icon = boolean (0 or 1)` : If `execp_cache_icon = 0`, the image is reloaded each time the command is executed (useful if the image file is changed on disk by the program executed by `execp_command`). *(since 0.12.4)*
+
+  * `execp_icon_w = integer` : You can use `execp_icon_w` and `execp_icon_h` to resize the image. If one of them is zero/missing, the image is rescaled proportionally. If both of them are zero/missing, the image is not rescaled. *(since 0.12.4)*
+
+  * `execp_icon_h = integer` : See `execp_icon_w`. *(since 0.12.4)*
+
+  * `execp_tooltip = text` : The tooltip. Leave it empty to not display a tooltip. Not specifying this option leads to showing an automatically generated tooltip with information about when the command was last executed. *(since 0.12.4)*
+
+  * `execp_font = [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]` : The font used to draw the text.  *(since 0.12.4)*
+
+  * `execp_font_color = color opacity` : The font color. *(since 0.12.4)*
+
+  * `execp_markup = boolean (0 or 1)` : If non-zero, the output of the command is treated as Pango markup, which allows rich text formatting. The format is [documented here](https://developer.gnome.org/pygtk/stable/pango-markup-language.html). Note that using this with commands that print data downloaded from the Internet is a possible security risk. *(since 0.12.4)*
+
+  * `execp_background_id = integer` : Which background to use. *(since 0.12.4)*
+
+  * `execp_centered = boolean (0 or 1)` : Whether to center the text. *(since 0.12.4)*
+
+  * `execp_padding = horizontal_padding vertical_padding spacing_between_icon_and_text` *(since 0.12.4)*
+
+  * `execp_lclick_command = text` : Command to execute on left click. If not defined, `execp_command` is  executed immediately, unless it is currently running. *(since 0.12.4)*
+  * `execp_mclick_command = text` : Command to execute on right click. If not defined, `execp_command` is  executed immediately, unless it is currently running. *(since 0.12.4)*
+  * `execp_rclick_command = text` : Command to execute on middle click. If not defined, `execp_command` is  executed immediately, unless it is currently running. *(since 0.12.4)*
+  * `execp_uwheel_command = text` : Command to execute on wheel scroll up. If not defined, `execp_command` is  executed immediately, unless it is currently running. *(since 0.12.4)*
+  * `execp_dwheel_command = text` : Command to execute on wheel scroll down. If not defined, `execp_command` is  executed immediately, unless it is currently running. *(since 0.12.4)*
+
+#### Executor samples
+
+##### Print the hostname
+
+```
+execp = new
+execp_command = hostname
+execp_interval = 0
+```
+
+##### Print disk usage for the root partition every 10 seconds
+
+```
+execp = new
+execp_command = df -h | awk '/\/$/ { print $6 ": " $2 " " $5}'
+execp_interval = 10
+```
+
+##### Button with icon and rich text, executes command when clicked
+
+```
+execp = new
+execp_command = echo /usr/share/icons/elementary-xfce/emblems/24/emblem-colors-blue.png; echo '<span foreground="#7f7">Click</span> <span foreground="#77f">me</span> <span foreground="#f77">pls</span>'
+execp_has_icon = 1
+execp_interval = 0
+execp_centered = 1
+execp_font = sans 9
+execp_markup = 1
+execp_font_color = #aaffaa 100
+execp_padding = 2 0
+execp_tooltip = I will tell you a secret...
+execp_lclick_command = zenity --info "--text=$(uname -sr)"
+execp_background_id = 2
+```
+
+##### Desktop pager with text
+
+```
+execp = new
+execp_command = xprop -root -spy | awk '/^_NET_CURRENT_DESKTOP/ { print "Workspace " ($3 + 1) ; fflush(); }'
+execp_interval = 1
+execp_continuous = 1
+```
+
+##### Desktop pager with icon
+
+```
+execp_command = xprop -root -spy | awk -v home="$HOME" '/^_NET_CURRENT_DESKTOP/ { print home "/.config/myPager/" ($3 + 1) ".png\n" ; fflush(); }'
+execp_interval = 1
+execp_has_icon = 1
+execp_cache_icon = 1
+execp_continuous = 2
+```
+
+##### Round-trip time to the gateway, refreshed every second
+
+```
+execp = new
+execp_command = ping -i 1 -c 1 -W 1 -O -D -n $(ip route | grep default | grep via | grep -o '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*') | awk '/no/ { print "<span foreground=\"#faa\">timeout</span>"; fflush(); }; /time=/ { gsub(/time=/, "", $8); printf "<span foreground=\"#7af\">%3.0f %s</span>\n", $8, $9; fflush(); } '
+execp_continuous = 0
+execp_interval = 1
+execp_markup = 1
+```
+
+##### Memory usage
+
+```
+execp = new
+execp_command = free | awk '/^-/ { printf "Mem: '$(free -h | awk '/^Mem:/ { print $2 }')' %.0f%%\n", 100*$3/($3+$4); fflush(stdout) }'
+execp_interval = 5
+execp_continuous = 0
+```
+
+##### Network load
+
+```
+# Note the use of "stdbuf -oL" to force the program to flush the output line by line.
+execp = new
+execp_command = stdbuf -oL bwm-ng -o csv -t 1000 | awk -F ';' '/total/ { printf "Net: %.0f Mb/s\n", ($5*8/1.0e6) }; fflush(stdout)'
+execp_continuous = 1
+execp_interval = 1
+```
+
+### Separator
+
+  * `separator = new` : Begins the configuration of a new separator. Multiple such plugins are supported; just use multiple `:`s in `panel_items`. *(since 0.13.0)*
+
+  * `separator_background_id = integer` : Which background to use. *(since 0.13.0)*
+
+  * `separator_color = color opacity` : The foreground color. *(since 0.13.0)*
+
+  * `separator_style = [empty | line | dots]` : The separator style. *(since 0.13.0)*
+
+  * `separator_size = integer` : The thickness of the separator. Does not include the border and padding. For example, if the style is `line`, this is the line thickness; if the style is `dots`, this is the dot's diameter. *(since 0.13.0)*
+
+  * `separator_padding = side_padding cap_padding` : The padding to add to the sides of the separator, in pixels. *(since 0.13.0)*
+
+### Example configuration
+
+```
+#---------------------------------------------
+## TINT2 CONFIG FILE
+#---------------------------------------------
+
+#---------------------------------------------
+## BACKGROUND AND BORDER
+#---------------------------------------------
+rounded = 7
+border_width = 2
+background_color = #000000 60
+border_color = #ffffff 18
+
+rounded = 5
+border_width = 0
+background_color = #ffffff 40
+border_color = #ffffff 50
+
+rounded = 5
+border_width = 0
+background_color = #ffffff 18
+border_color = #ffffff 70
+
+#---------------------------------------------
+## PANEL
+#---------------------------------------------
+panel_monitor = all
+panel_position = bottom center
+panel_size = 94% 30
+panel_margin = 0 0
+panel_padding = 7 0
+font_shadow = 0
+panel_background_id = 1
+wm_menu = 0
+panel_dock = 0
+panel_layer = bottom
+
+#---------------------------------------------
+## TASKBAR
+#---------------------------------------------
+#taskbar_mode = multi_desktop
+taskbar_mode = single_desktop
+taskbar_padding = 2 3 2
+taskbar_background_id = 0
+#taskbar_active_background_id = 0
+
+#---------------------------------------------
+## TASKS
+#---------------------------------------------
+task_icon = 1
+task_text = 1
+task_maximum_size = 140 35
+task_centered = 1
+task_padding = 6 3
+task_font = sans 7
+task_font_color = #ffffff 70
+task_background_id = 3
+task_icon_asb = 100 0 0
+## replace STATUS by 'urgent', 'active' or 'iconified'
+#task_STATUS_background_id = 2
+#task_STATUS_font_color = #ffffff 85
+#task_STATUS_icon_asb = 100 0 0
+## example:
+task_active_background_id = 2
+task_active_font_color = #ffffff 85
+task_active_icon_asb = 100 0 0
+urgent_nb_of_blink = 8
+
+#---------------------------------------------
+## SYSTRAYBAR
+#---------------------------------------------
+systray = 1
+systray_padding = 0 4 5
+systray_background_id = 0
+systray_sort = left2right
+systray_icon_size = 0
+systray_icon_asb = 100 0 0
+
+#---------------------------------------------
+## CLOCK
+#---------------------------------------------
+time1_format = %H:%M
+time1_font = sans 8
+time2_format = %A %d %B
+time2_font = sans 6
+clock_font_color = #ffffff 76
+clock_padding = 1 0
+clock_background_id = 0
+#clock_lclick_command = xclock
+clock_rclick_command = orage
+#clock_tooltip = %A %d %B
+#time1_timezone = :US/Hawaii
+#time2_timezone = :Europe/Berlin
+#clock_tooltip_timezone = :/usr/share/zoneinfo/Europe/Paris
+
+#---------------------------------------------
+## BATTERY
+#---------------------------------------------
+battery = 0
+battery_hide = 98
+battery_low_status = 10
+battery_low_cmd = notify-send "battery low"
+bat1_font = sans 8
+bat2_font = sans 6
+battery_font_color = #ffffff 76
+battery_padding = 1 0
+battery_background_id = 0
+
+#---------------------------------------------
+## TOOLTIP
+#---------------------------------------------
+tooltip = 0
+tooltip_padding = 2 2
+tooltip_show_timeout = 0.7
+tooltip_hide_timeout = 0.3
+tooltip_background_id = 1
+tooltip_font_color = #OOOOOO 80
+tooltip_font = sans 10
+
+#---------------------------------------------
+## MOUSE ACTION ON TASK
+#---------------------------------------------
+mouse_middle = none
+mouse_right = close
+mouse_scroll_up = toggle
+mouse_scroll_down = iconify
+
+#---------------------------------------------
+## AUTOHIDE OPTIONS
+#---------------------------------------------
+autohide = 0
+autohide_show_timeout = 0.3
+autohide_hide_timeout = 2
+autohide_height = 4
+strut_policy = minimum
+```
+
+## AUTHOR
+tint2 was written by Thierry Lorthiois <lorthiois@bbsoft.fr>.
+It is based on ttm, originally written by Pål Staurland <staura@gmail.com>.
+
+This manual page was originally written by Daniel Moerner <dmoerner@gmail.com>, for the Debian project (but may be used by others).
+It was adopted from the tint2 docs.
+
+## SEE ALSO
+The main website https://gitlab.com/o9000/tint2
+and the wiki page at https://gitlab.com/o9000/tint2/wikis/home.
+
+This documentation is also provided in HTML and Markdown format in the system's default location
+for documentation files, usually `/usr/share/doc/tint2` or `/usr/local/share/doc/tint2`.

get_version.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-MAJOR=0.12
+MAJOR=0.13
 DIRTY=""
 
 if git status 1>/dev/null 2>/dev/null

src/battery/battery.c

@@ -56,8 +56,12 @@ char *battery_uwheel_command;
 char *battery_dwheel_command;
 gboolean battery_found;
 
+char *battery_sys_prefix = (char*)"";
+
 void battery_init_fonts();
 char *battery_get_tooltip(void *obj);
+int battery_compute_desired_size(void *obj);
+void battery_dump_geometry(void *obj, int indent);
 
 void default_battery()
 {
@@ -154,15 +158,17 @@ void init_battery_panel(void *p)
 	battery->area._draw_foreground = draw_battery;
 	battery->area.size_mode = LAYOUT_FIXED;
 	battery->area._resize = resize_battery;
+	battery->area._compute_desired_size = battery_compute_desired_size;
 	battery->area._is_under_mouse = full_width_area_is_under_mouse;
 	battery->area.on_screen = TRUE;
 	battery->area.resize_needed = 1;
 	battery->area.has_mouse_over_effect =
-		panel_config.mouse_effects && (battery_lclick_command || battery_mclick_command || battery_rclick_command ||
-									   battery_uwheel_command || battery_dwheel_command);
+	    panel_config.mouse_effects && (battery_lclick_command || battery_mclick_command || battery_rclick_command ||
+	                                   battery_uwheel_command || battery_dwheel_command);
 	battery->area.has_mouse_press_effect = battery->area.has_mouse_over_effect;
 	if (battery_tooltip_enabled)
 		battery->area._get_tooltip_text = battery_get_tooltip;
+	instantiate_area_gradients(&battery->area);
 }
 
 void battery_init_fonts()
@@ -196,7 +202,7 @@ void battery_default_font_changed()
 		panels[i].battery.area.resize_needed = TRUE;
 		schedule_redraw(&panels[i].battery.area);
 	}
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void update_battery_tick(void *arg)
@@ -227,41 +233,31 @@ void update_battery_tick(void *arg)
 	}
 
 	if (battery_state.percentage < battery_low_status && battery_state.state == BATTERY_DISCHARGING &&
-		!battery_low_cmd_sent) {
+	    !battery_low_cmd_sent) {
 		tint_exec(battery_low_cmd);
 		battery_low_cmd_sent = TRUE;
 	}
 	if (battery_state.percentage > battery_low_status && battery_state.state == BATTERY_CHARGING &&
-		battery_low_cmd_sent) {
+	    battery_low_cmd_sent) {
 		battery_low_cmd_sent = FALSE;
 	}
 
 	for (int i = 0; i < num_panels; i++) {
 		// Show/hide if needed
 		if (!battery_found) {
-			if (panels[i].battery.area.on_screen) {
-				hide(&panels[i].battery.area);
-				panel_refresh = TRUE;
-			}
+			hide(&panels[i].battery.area);
 		} else {
-			if (battery_state.percentage >= percentage_hide) {
-				if (panels[i].battery.area.on_screen) {
-					hide(&panels[i].battery.area);
-					panel_refresh = TRUE;
-				}
-			} else {
-				if (!panels[i].battery.area.on_screen) {
-					show(&panels[i].battery.area);
-					panel_refresh = TRUE;
-				}
-			}
+			if (battery_state.percentage >= percentage_hide)
+				hide(&panels[i].battery.area);
+			else
+				show(&panels[i].battery.area);
 		}
 		// Redraw if needed
 		if (panels[i].battery.area.on_screen) {
 			if (old_found != battery_found || old_percentage != battery_state.percentage ||
-				old_hours != battery_state.time.hours || old_minutes != battery_state.time.minutes) {
+			    old_hours != battery_state.time.hours || old_minutes != battery_state.time.minutes) {
 				panels[i].battery.area.resize_needed = TRUE;
-				panel_refresh = TRUE;
+				schedule_panel_redraw();
 			}
 		}
 	}
@@ -285,15 +281,12 @@ int update_battery()
 	return err;
 }
 
-gboolean resize_battery(void *obj)
+int battery_compute_desired_size(void *obj)
 {
-	Battery *battery = obj;
-	Panel *panel = battery->area.panel;
+	Battery *battery = (Battery *)obj;
+	Panel *panel = (Panel *)battery->area.panel;
 	int bat_percentage_height, bat_percentage_width, bat_percentage_height_ink;
 	int bat_time_height, bat_time_width, bat_time_height_ink;
-	int ret = 0;
-
-	schedule_redraw(&battery->area);
 
 	snprintf(buf_bat_percentage, sizeof(buf_bat_percentage), "%d%%", battery_state.percentage);
 	if (battery_state.state == BATTERY_FULL) {
@@ -326,7 +319,55 @@ gboolean resize_battery(void *obj)
 
 	if (panel_horizontal) {
 		int new_size = (bat_percentage_width > bat_time_width) ? bat_percentage_width : bat_time_width;
-		new_size += 2 * battery->area.paddingxlr + 2 * battery->area.bg->border.width;
+		new_size += 2 * battery->area.paddingxlr + left_right_border_width(&battery->area);
+		return new_size;
+	} else {
+		int new_size = bat_percentage_height + bat_time_height + 2 * battery->area.paddingxlr +
+					   top_bottom_border_width(&battery->area);
+		return new_size;
+	}
+}
+
+gboolean resize_battery(void *obj)
+{
+	Battery *battery = (Battery *)obj;
+	Panel *panel = (Panel *)battery->area.panel;
+	int bat_percentage_height, bat_percentage_width, bat_percentage_height_ink;
+	int bat_time_height, bat_time_width, bat_time_height_ink;
+	int ret = 0;
+
+	snprintf(buf_bat_percentage, sizeof(buf_bat_percentage), "%d%%", battery_state.percentage);
+	if (battery_state.state == BATTERY_FULL) {
+		strcpy(buf_bat_time, "Full");
+	} else {
+		snprintf(buf_bat_time, sizeof(buf_bat_time), "%02d:%02d", battery_state.time.hours, battery_state.time.minutes);
+	}
+	get_text_size2(bat1_font_desc,
+	               &bat_percentage_height_ink,
+	               &bat_percentage_height,
+	               &bat_percentage_width,
+	               panel->area.height,
+	               panel->area.width,
+	               buf_bat_percentage,
+	               strlen(buf_bat_percentage),
+	               PANGO_WRAP_WORD_CHAR,
+	               PANGO_ELLIPSIZE_NONE,
+	               FALSE);
+	get_text_size2(bat2_font_desc,
+	               &bat_time_height_ink,
+	               &bat_time_height,
+	               &bat_time_width,
+	               panel->area.height,
+	               panel->area.width,
+	               buf_bat_time,
+	               strlen(buf_bat_time),
+	               PANGO_WRAP_WORD_CHAR,
+	               PANGO_ELLIPSIZE_NONE,
+	               FALSE);
+
+	if (panel_horizontal) {
+		int new_size = (bat_percentage_width > bat_time_width) ? bat_percentage_width : bat_time_width;
+		new_size += 2 * battery->area.paddingxlr + left_right_border_width(&battery->area);
 		if (new_size > battery->area.width || new_size < battery->area.width - 2) {
 			// we try to limit the number of resize
 			battery->area.width = new_size;
@@ -335,8 +376,8 @@ gboolean resize_battery(void *obj)
 			ret = 1;
 		}
 	} else {
-		int new_size =
-		    bat_percentage_height + bat_time_height + (2 * (battery->area.paddingxlr + battery->area.bg->border.width));
+		int new_size = bat_percentage_height + bat_time_height + 2 * battery->area.paddingxlr +
+		               top_bottom_border_width(&battery->area);
 		if (new_size > battery->area.height || new_size < battery->area.height - 2) {
 			battery->area.height = new_size;
 			battery->bat1_posy = (battery->area.height - bat_percentage_height - bat_time_height - 2) / 2;
@@ -344,6 +385,8 @@ gboolean resize_battery(void *obj)
 			ret = 1;
 		}
 	}
+
+	schedule_redraw(&battery->area);
 	return ret;
 }
 
@@ -382,6 +425,23 @@ void draw_battery(void *obj, cairo_t *c)
 	g_object_unref(layout);
 }
 
+void battery_dump_geometry(void *obj, int indent)
+{
+	Battery *battery = obj;
+	fprintf(stderr,
+			"%*sText 1: y = %d, text = %s\n",
+			indent,
+			"",
+			battery->bat1_posy,
+			buf_bat_percentage);
+	fprintf(stderr,
+		"%*sText 2: y = %d, text = %s\n",
+		indent,
+		"",
+		battery->bat2_posy,
+		buf_bat_time);
+}
+
 char *battery_get_tooltip(void *obj)
 {
 	return battery_os_tooltip();

src/battery/battery.h

@@ -64,6 +64,8 @@ extern char *battery_rclick_command;
 extern char *battery_uwheel_command;
 extern char *battery_dwheel_command;
 
+extern char *battery_sys_prefix;
+
 static inline gchar *chargestate2str(ChargeState state)
 {
 	switch (state) {

src/battery/linux.c

@@ -38,18 +38,16 @@ struct psy_battery {
 	gint64 timestamp;
 	/* sysfs files */
 	gchar *path_present;
-	gchar *path_energy_now;
-	gchar *path_energy_full;
-	gchar *path_power_now;
+	gchar *path_level_now;
+	gchar *path_level_full;
+	gchar *path_rate_now;
 	gchar *path_status;
-	/* sysfs hints */
-	gboolean energy_in_uamp;
-	gboolean power_in_uamp;
 	/* values */
 	gboolean present;
-	gint energy_now;
-	gint energy_full;
-	gint power_now;
+	gint level_now;
+	gint level_full;
+	gint rate_now;
+	gchar unit;
 	ChargeState status;
 };
 
@@ -76,22 +74,23 @@ static void uevent_battery_plug()
 static struct uevent_notify psy_plug = {UEVENT_ADD | UEVENT_REMOVE, "power_supply", NULL, uevent_battery_plug};
 
 #define RETURN_ON_ERROR(err) \
-	if (error) {             \
+	if (err) {             \
 		g_error_free(err);   \
+		fprintf(stderr, RED "%s:%d: errror" RESET "\n", __FILE__, __LINE__); \
 		return FALSE;        \
 	}
 
 static GList *batteries = NULL;
 static GList *mains = NULL;
 
-static guint8 energy_to_percent(gint energy_now, gint energy_full)
+static guint8 level_to_percent(gint level_now, gint level_full)
 {
-	return 0.5 + ((energy_now <= energy_full ? energy_now : energy_full) * 100.0) / energy_full;
+	return 0.5 + ((level_now <= level_full ? level_now : level_full) * 100.0) / level_full;
 }
 
 static enum psy_type power_supply_get_type(const gchar *entryname)
 {
-	gchar *path_type = g_build_filename("/sys/class/power_supply", entryname, "type", NULL);
+	gchar *path_type = g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "type", NULL);
 	GError *error = NULL;
 	gchar *type;
 	gsize typelen;
@@ -99,6 +98,7 @@ static enum psy_type power_supply_get_type(const gchar *entryname)
 	g_file_get_contents(path_type, &type, &typelen, &error);
 	g_free(path_type);
 	if (error) {
+		fprintf(stderr, RED "%s:%d: read failed" RESET "\n", __FILE__, __LINE__);
 		g_error_free(error);
 		return PSY_UNKNOWN;
 	}
@@ -122,59 +122,53 @@ static gboolean init_linux_battery(struct psy_battery *bat)
 {
 	const gchar *entryname = bat->name;
 
-	bat->energy_in_uamp = FALSE;
-	bat->power_in_uamp = FALSE;
-
-	bat->path_present = g_build_filename("/sys/class/power_supply", entryname, "present", NULL);
+	bat->path_present = g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "present", NULL);
 	if (!g_file_test(bat->path_present, G_FILE_TEST_EXISTS)) {
+		fprintf(stderr, RED "%s:%d: read failed" RESET "\n", __FILE__, __LINE__);
 		goto err0;
 	}
 
-	bat->path_energy_now = g_build_filename("/sys/class/power_supply", entryname, "energy_now", NULL);
-	if (!g_file_test(bat->path_energy_now, G_FILE_TEST_EXISTS)) {
-		g_free(bat->path_energy_now);
-		bat->path_energy_now = g_build_filename("/sys/class/power_supply", entryname, "charge_now", NULL);
-		bat->energy_in_uamp = TRUE;
+	bat->path_level_now = g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "energy_now", NULL);
+	bat->path_level_full =
+		g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "energy_full", NULL);
+	bat->path_rate_now = g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "power_now", NULL);
+	bat->unit = 'W';
+
+	if (!g_file_test(bat->path_level_now, G_FILE_TEST_EXISTS) ||
+	    !g_file_test(bat->path_level_full, G_FILE_TEST_EXISTS) ||
+	    !g_file_test(bat->path_rate_now, G_FILE_TEST_EXISTS)) {
+		g_free(bat->path_level_now);
+		g_free(bat->path_level_full);
+		g_free(bat->path_rate_now);
+		bat->path_level_now =
+			g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "charge_now", NULL);
+		bat->path_level_full =
+			g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "charge_full", NULL);
+		bat->path_rate_now =
+			g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "current_now", NULL);
+		bat->unit = 'A';
 	}
-	if (!g_file_test(bat->path_energy_now, G_FILE_TEST_EXISTS)) {
+	if (!g_file_test(bat->path_level_now, G_FILE_TEST_EXISTS) ||
+	    !g_file_test(bat->path_level_full, G_FILE_TEST_EXISTS) ||
+	    !g_file_test(bat->path_rate_now, G_FILE_TEST_EXISTS)) {
+		fprintf(stderr, RED "%s:%d: read failed" RESET "\n", __FILE__, __LINE__);
 		goto err1;
 	}
 
-	if (!bat->energy_in_uamp) {
-		bat->path_energy_full = g_build_filename("/sys/class/power_supply", entryname, "energy_full", NULL);
-		if (!g_file_test(bat->path_energy_full, G_FILE_TEST_EXISTS))
-			goto err2;
-	} else {
-		bat->path_energy_full = g_build_filename("/sys/class/power_supply", entryname, "charge_full", NULL);
-		if (!g_file_test(bat->path_energy_full, G_FILE_TEST_EXISTS))
-			goto err2;
-	}
-
-	bat->path_power_now = g_build_filename("/sys/class/power_supply", entryname, "power_now", NULL);
-	if (!g_file_test(bat->path_power_now, G_FILE_TEST_EXISTS)) {
-		g_free(bat->path_power_now);
-		bat->path_power_now = g_build_filename("/sys/class/power_supply", entryname, "current_now", NULL);
-		bat->power_in_uamp = TRUE;
-	}
-	if (!g_file_test(bat->path_power_now, G_FILE_TEST_EXISTS)) {
-		goto err3;
-	}
-
-	bat->path_status = g_build_filename("/sys/class/power_supply", entryname, "status", NULL);
+	bat->path_status = g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "status", NULL);
 	if (!g_file_test(bat->path_status, G_FILE_TEST_EXISTS)) {
-		goto err4;
+		fprintf(stderr, RED "%s:%d: read failed" RESET "\n", __FILE__, __LINE__);
+		goto err2;
 	}
 
 	return TRUE;
 
-err4:
-	g_free(bat->path_status);
-err3:
-	g_free(bat->path_power_now);
 err2:
-	g_free(bat->path_energy_full);
+	g_free(bat->path_status);
 err1:
-	g_free(bat->path_energy_now);
+	g_free(bat->path_level_now);
+	g_free(bat->path_level_full);
+	g_free(bat->path_rate_now);
 err0:
 	g_free(bat->path_present);
 
@@ -185,8 +179,9 @@ static gboolean init_linux_mains(struct psy_mains *ac)
 {
 	const gchar *entryname = ac->name;
 
-	ac->path_online = g_build_filename("/sys/class/power_supply", entryname, "online", NULL);
+	ac->path_online = g_build_filename(battery_sys_prefix, "/sys/class/power_supply", entryname, "online", NULL);
 	if (!g_file_test(ac->path_online, G_FILE_TEST_EXISTS)) {
+		fprintf(stderr, RED "%s:%d: read failed" RESET "\n", __FILE__, __LINE__);
 		g_free(ac->path_online);
 		return FALSE;
 	}
@@ -199,9 +194,9 @@ static void psy_battery_free(gpointer data)
 	struct psy_battery *bat = data;
 	g_free(bat->name);
 	g_free(bat->path_status);
-	g_free(bat->path_power_now);
-	g_free(bat->path_energy_full);
-	g_free(bat->path_energy_now);
+	g_free(bat->path_rate_now);
+	g_free(bat->path_level_full);
+	g_free(bat->path_level_now);
 	g_free(bat->path_present);
 	g_free(bat);
 }
@@ -232,10 +227,10 @@ static void add_battery(const char *entryname)
 
 	if (init_linux_battery(bat)) {
 		batteries = g_list_append(batteries, bat);
-		fprintf(stdout, "found battery \"%s\"\n", bat->name);
+		fprintf(stdout, GREEN "Found battery \"%s\"" RESET "\n", bat->name);
 	} else {
 		g_free(bat);
-		fprintf(stderr, RED "failed to initialize battery \"%s\"" RESET "\n", entryname);
+		fprintf(stderr, RED "Failed to initialize battery \"%s\"" RESET "\n", entryname);
 	}
 }
 
@@ -246,10 +241,10 @@ static void add_mains(const char *entryname)
 
 	if (init_linux_mains(ac)) {
 		mains = g_list_append(mains, ac);
-		fprintf(stdout, "found mains \"%s\"\n", ac->name);
+		fprintf(stdout, GREEN "Found mains \"%s\"" RESET "\n", ac->name);
 	} else {
 		g_free(ac);
-		fprintf(stderr, RED "failed to initialize mains \"%s\"" RESET "\n", entryname);
+		fprintf(stderr, RED "Failed to initialize mains \"%s\"" RESET "\n", entryname);
 	}
 }
 
@@ -261,10 +256,13 @@ gboolean battery_os_init()
 
 	battery_os_free();
 
-	directory = g_dir_open("/sys/class/power_supply", 0, &error);
+	gchar *dir_path = g_build_filename(battery_sys_prefix, "/sys/class/power_supply", NULL);
+	directory = g_dir_open(dir_path, 0, &error);
+	g_free(dir_path);
 	RETURN_ON_ERROR(error);
 
 	while ((entryname = g_dir_read_name(directory))) {
+		fprintf(stderr, GREEN "Found power device %s" RESET "\n", entryname);
 		enum psy_type type = power_supply_get_type(entryname);
 
 		switch (type) {
@@ -287,15 +285,15 @@ gboolean battery_os_init()
 	return batteries != NULL;
 }
 
-static gint estimate_power_usage(struct psy_battery *bat, gint old_energy_now, gint64 old_timestamp)
+static gint estimate_rate_usage(struct psy_battery *bat, gint old_level_now, gint64 old_timestamp)
 {
-	gint64 diff_power = ABS(bat->energy_now - old_energy_now);
+	gint64 diff_level = ABS(bat->level_now - old_level_now);
 	gint64 diff_time = bat->timestamp - old_timestamp;
 
 	/* µW = (µWh * 3600) / (µs / 1000000) */
-	gint power = diff_power * 3600 * 1000000 / MAX(1, diff_time);
+	gint rate = diff_level * 3600 * 1000000 / MAX(1, diff_time);
 
-	return power;
+	return rate;
 }
 
 static gboolean update_linux_battery(struct psy_battery *bat)
@@ -305,15 +303,15 @@ static gboolean update_linux_battery(struct psy_battery *bat)
 	gsize datalen;
 
 	gint64 old_timestamp = bat->timestamp;
-	int old_energy_now = bat->energy_now;
-	gint old_power_now = bat->power_now;
+	int old_level_now = bat->level_now;
+	gint old_rate_now = bat->rate_now;
 
 	/* reset values */
 	bat->present = 0;
 	bat->status = BATTERY_UNKNOWN;
-	bat->energy_now = 0;
-	bat->energy_full = 0;
-	bat->power_now = 0;
+	bat->level_now = 0;
+	bat->level_full = 0;
+	bat->rate_now = 0;
 	bat->timestamp = g_get_monotonic_time();
 
 	/* present */
@@ -339,35 +337,35 @@ static gboolean update_linux_battery(struct psy_battery *bat)
 	}
 	g_free(data);
 
-	/* energy now */
-	g_file_get_contents(bat->path_energy_now, &data, &datalen, &error);
+	/* level now */
+	g_file_get_contents(bat->path_level_now, &data, &datalen, &error);
 	RETURN_ON_ERROR(error);
-	bat->energy_now = atoi(data);
+	bat->level_now = atoi(data);
 	g_free(data);
 
-	/* energy full */
-	g_file_get_contents(bat->path_energy_full, &data, &datalen, &error);
+	/* level full */
+	g_file_get_contents(bat->path_level_full, &data, &datalen, &error);
 	RETURN_ON_ERROR(error);
-	bat->energy_full = atoi(data);
+	bat->level_full = atoi(data);
 	g_free(data);
 
-	/* power now */
-	g_file_get_contents(bat->path_power_now, &data, &datalen, &error);
+	/* rate now */
+	g_file_get_contents(bat->path_rate_now, &data, &datalen, &error);
 	if (g_error_matches(error, G_FILE_ERROR, G_FILE_ERROR_NODEV)) {
-		/* some hardware does not support reading current power consumption */
+		/* some hardware does not support reading current rate consumption */
 		g_error_free(error);
-		bat->power_now = estimate_power_usage(bat, old_energy_now, old_timestamp);
-		if (bat->power_now == 0 && bat->status != BATTERY_FULL) {
+		bat->rate_now = estimate_rate_usage(bat, old_level_now, old_timestamp);
+		if (bat->rate_now == 0 && bat->status != BATTERY_FULL) {
 			/* If the hardware updates the level slower than our sampling period,
 			 * we need to sample more rarely */
-			bat->power_now = old_power_now;
+			bat->rate_now = old_rate_now;
 			bat->timestamp = old_timestamp;
 		}
 	} else if (error) {
 		g_error_free(error);
 		return FALSE;
 	} else {
-		bat->power_now = atoi(data);
+		bat->rate_now = atoi(data);
 		g_free(data);
 	}
 
@@ -394,9 +392,9 @@ int battery_os_update(BatteryState *state)
 {
 	GList *l;
 
-	gint64 total_energy_now = 0;
-	gint64 total_energy_full = 0;
-	gint64 total_power_now = 0;
+	gint64 total_level_now = 0;
+	gint64 total_level_full = 0;
+	gint64 total_rate_now = 0;
 	gint seconds = 0;
 
 	gboolean charging = FALSE;
@@ -408,9 +406,9 @@ int battery_os_update(BatteryState *state)
 		struct psy_battery *bat = l->data;
 		update_linux_battery(bat);
 
-		total_energy_now += bat->energy_now;
-		total_energy_full += bat->energy_full;
-		total_power_now += bat->power_now;
+		total_level_now += bat->level_now;
+		total_level_full += bat->level_full;
+		total_rate_now += bat->rate_now;
 
 		charging |= (bat->status == BATTERY_CHARGING);
 		discharging |= (bat->status == BATTERY_DISCHARGING);
@@ -432,17 +430,17 @@ int battery_os_update(BatteryState *state)
 		state->state = BATTERY_FULL;
 
 	/* calculate seconds */
-	if (total_power_now > 0) {
+	if (total_rate_now > 0) {
 		if (state->state == BATTERY_CHARGING)
-			seconds = 3600 * (total_energy_full - total_energy_now) / total_power_now;
+			seconds = 3600 * (total_level_full - total_level_now) / total_rate_now;
 		else if (state->state == BATTERY_DISCHARGING)
-			seconds = 3600 * total_energy_now / total_power_now;
+			seconds = 3600 * total_level_now / total_rate_now;
 		seconds = MAX(0, seconds);
 	}
 	battery_state_set_time(state, seconds);
 
 	/* calculate percentage */
-	state->percentage = energy_to_percent(total_energy_now, total_energy_full);
+	state->percentage = level_to_percent(total_level_now, total_level_full);
 
 	/* AC state */
 	state->ac_connected = ac_connected;
@@ -450,42 +448,41 @@ int battery_os_update(BatteryState *state)
 	return 0;
 }
 
-static gchar *energy_human_readable(struct psy_battery *bat)
+static gchar *level_human_readable(struct psy_battery *bat)
 {
-	gint now = bat->energy_now;
-	gint full = bat->energy_full;
-	gchar unit = bat->energy_in_uamp ? 'A' : 'W';
+	gint now = bat->level_now;
+	gint full = bat->level_full;
 
 	if (full >= 1000000) {
 		return g_strdup_printf("%d.%d / %d.%d %ch",
-							   now / 1000000,
-							   (now % 1000000) / 100000,
-							   full / 1000000,
-							   (full % 1000000) / 100000,
-							   unit);
+		                       now / 1000000,
+		                       (now % 1000000) / 100000,
+		                       full / 1000000,
+		                       (full % 1000000) / 100000,
+							   bat->unit);
 	} else if (full >= 1000) {
 		return g_strdup_printf("%d.%d / %d.%d m%ch",
-							   now / 1000,
-							   (now % 1000) / 100,
-							   full / 1000,
-							   (full % 1000) / 100,
-							   unit);
+		                       now / 1000,
+		                       (now % 1000) / 100,
+		                       full / 1000,
+		                       (full % 1000) / 100,
+							   bat->unit);
 	} else {
-		return g_strdup_printf("%d / %d µ%ch", now, full, unit);
+		return g_strdup_printf("%d / %d µ%ch", now, full, bat->unit);
 	}
 }
 
-static gchar *power_human_readable(struct psy_battery *bat)
+static gchar *rate_human_readable(struct psy_battery *bat)
 {
-	gint power = bat->power_now;
-	gchar unit = bat->power_in_uamp ? 'A' : 'W';
+	gint rate = bat->rate_now;
+	gchar unit = bat->unit;
 
-	if (power >= 1000000) {
-		return g_strdup_printf("%d.%d %c", power / 1000000, (power % 1000000) / 100000, unit);
-	} else if (power >= 1000) {
-		return g_strdup_printf("%d.%d m%c", power / 1000, (power % 1000) / 100, unit);
-	} else if (power > 0) {
-		return g_strdup_printf("%d µ%c", power, unit);
+	if (rate >= 1000000) {
+		return g_strdup_printf("%d.%d %c", rate / 1000000, (rate % 1000000) / 100000, unit);
+	} else if (rate >= 1000) {
+		return g_strdup_printf("%d.%d m%c", rate / 1000, (rate % 1000) / 100, unit);
+	} else if (rate > 0) {
+		return g_strdup_printf("%d µ%c", rate, unit);
 	} else {
 		return g_strdup_printf("0 %c", unit);
 	}
@@ -510,16 +507,16 @@ char *battery_os_tooltip()
 			continue;
 		}
 
-		gchar *power = power_human_readable(bat);
-		gchar *energy = energy_human_readable(bat);
-		gchar *state = (bat->status == BATTERY_UNKNOWN) ? "Level" : chargestate2str(bat->status);
+		gchar *rate = rate_human_readable(bat);
+		gchar *level = level_human_readable(bat);
+		gchar *state = (bat->status == BATTERY_UNKNOWN) ? "energy" : chargestate2str(bat->status);
 
-		guint8 percentage = energy_to_percent(bat->energy_now, bat->energy_full);
+		guint8 percentage = level_to_percent(bat->level_now, bat->level_full);
 
-		g_string_append_printf(tooltip, "\t%s: %s (%u %%)\n\tPower: %s", state, energy, percentage, power);
+		g_string_append_printf(tooltip, "\t%s: %s (%u %%)\n\trate: %s", state, level, percentage, rate);
 
-		g_free(power);
-		g_free(energy);
+		g_free(rate);
+		g_free(level);
 	}
 
 	for (l = mains; l != NULL; l = l->next) {

src/clock/clock.c

@@ -55,6 +55,8 @@ static timeout *clock_timeout;
 
 void clock_init_fonts();
 char *clock_get_tooltip(void *obj);
+int clock_compute_desired_size(void *obj);
+void clock_dump_geometry(void *obj, int indent);
 
 void default_clock()
 {
@@ -116,7 +118,7 @@ void update_clocks_sec(void *arg)
 		for (int i = 0; i < num_panels; i++)
 			panels[i].clock.area.resize_needed = 1;
 	}
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void update_clocks_min(void *arg)
@@ -130,7 +132,7 @@ void update_clocks_min(void *arg)
 			for (int i = 0; i < num_panels; i++)
 				panels[i].clock.area.resize_needed = 1;
 		}
-		panel_refresh = TRUE;
+		schedule_panel_redraw();
 	}
 }
 
@@ -161,6 +163,13 @@ gboolean time_format_needs_sec_ticks(char *time_format)
 
 void init_clock()
 {
+}
+
+void init_clock_panel(void *p)
+{
+	Panel *panel = (Panel *)p;
+	Clock *clock = &panel->clock;
+
 	if (!clock_timeout) {
 		if (time_format_needs_sec_ticks(time1_format) || time_format_needs_sec_ticks(time2_format)) {
 			clock_timeout = add_timeout(10, 1000, update_clocks_sec, 0, &clock_timeout);
@@ -168,12 +177,6 @@ void init_clock()
 			clock_timeout = add_timeout(10, 1000, update_clocks_min, 0, &clock_timeout);
 		}
 	}
-}
-
-void init_clock_panel(void *p)
-{
-	Panel *panel = (Panel *)p;
-	Clock *clock = &panel->clock;
 
 	if (!clock->area.bg)
 		clock->area.bg = &g_array_index(backgrounds, Background, 0);
@@ -183,17 +186,20 @@ void init_clock_panel(void *p)
 	snprintf(clock->area.name, sizeof(clock->area.name), "Clock");
 	clock->area._is_under_mouse = full_width_area_is_under_mouse;
 	clock->area.has_mouse_press_effect = clock->area.has_mouse_over_effect =
-		panel_config.mouse_effects && (clock_lclick_command || clock_mclick_command || clock_rclick_command ||
-									   clock_uwheel_command || clock_dwheel_command);
+	    panel_config.mouse_effects && (clock_lclick_command || clock_mclick_command || clock_rclick_command ||
+	                                   clock_uwheel_command || clock_dwheel_command);
 	clock->area._draw_foreground = draw_clock;
 	clock->area.size_mode = LAYOUT_FIXED;
 	clock->area._resize = resize_clock;
+	clock->area._compute_desired_size = clock_compute_desired_size;
+	clock->area._dump_geometry = clock_dump_geometry;
 	// check consistency
 	if (!time1_format)
 		return;
 
 	clock->area.resize_needed = 1;
 	clock->area.on_screen = TRUE;
+	instantiate_area_gradients(&clock->area);
 
 	if (time_tooltip_format) {
 		clock->area._get_tooltip_text = clock_get_tooltip;
@@ -234,49 +240,88 @@ void clock_default_font_changed()
 		panels[i].clock.area.resize_needed = TRUE;
 		schedule_redraw(&panels[i].clock.area);
 	}
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
+}
+
+void clock_compute_text_geometry(Panel *panel,
+                                 int *time_height_ink,
+                                 int *time_height,
+                                 int *time_width,
+                                 int *date_height_ink,
+                                 int *date_height,
+                                 int *date_width)
+{
+	*date_height = *date_width = 0;
+	strftime(buf_time, sizeof(buf_time), time1_format, clock_gettime_for_tz(time1_timezone));
+	get_text_size2(time1_font_desc,
+	               time_height_ink,
+	               time_height,
+	               time_width,
+	               panel->area.height,
+	               panel->area.width,
+	               buf_time,
+	               strlen(buf_time),
+	               PANGO_WRAP_WORD_CHAR,
+	               PANGO_ELLIPSIZE_NONE,
+	               FALSE);
+	if (time2_format) {
+		strftime(buf_date, sizeof(buf_date), time2_format, clock_gettime_for_tz(time2_timezone));
+		get_text_size2(time2_font_desc,
+		               date_height_ink,
+		               date_height,
+		               date_width,
+		               panel->area.height,
+		               panel->area.width,
+		               buf_date,
+		               strlen(buf_date),
+		               PANGO_WRAP_WORD_CHAR,
+		               PANGO_ELLIPSIZE_NONE,
+		               FALSE);
+	}
+}
+
+int clock_compute_desired_size(void *obj)
+{
+	Clock *clock = (Clock *)obj;
+	Panel *panel = (Panel *)clock->area.panel;
+	int time_height_ink, time_height, time_width, date_height_ink, date_height, date_width;
+	clock_compute_text_geometry(panel,
+	                            &time_height_ink,
+	                            &time_height,
+	                            &time_width,
+	                            &date_height_ink,
+	                            &date_height,
+	                            &date_width);
+
+	if (panel_horizontal) {
+		int new_size = (time_width > date_width) ? time_width : date_width;
+		new_size += 2 * clock->area.paddingxlr + left_right_border_width(&clock->area);
+		return new_size;
+	} else {
+		int new_size = time_height + date_height + 2 * clock->area.paddingxlr + top_bottom_border_width(&clock->area);
+		return new_size;
+	}
 }
 
 gboolean resize_clock(void *obj)
 {
-	Clock *clock = obj;
-	Panel *panel = clock->area.panel;
-	int time_height_ink, time_height, time_width, date_height_ink, date_height, date_width;
+	Clock *clock = (Clock *)obj;
+	Panel *panel = (Panel *)clock->area.panel;
 	gboolean result = FALSE;
 
 	schedule_redraw(&clock->area);
 
-	date_height = date_width = 0;
-	strftime(buf_time, sizeof(buf_time), time1_format, clock_gettime_for_tz(time1_timezone));
-	get_text_size2(time1_font_desc,
-				   &time_height_ink,
-				   &time_height,
-				   &time_width,
-				   panel->area.height,
-				   panel->area.width,
-				   buf_time,
-				   strlen(buf_time),
-				   PANGO_WRAP_WORD_CHAR,
-				   PANGO_ELLIPSIZE_NONE,
-				   FALSE);
-	if (time2_format) {
-		strftime(buf_date, sizeof(buf_date), time2_format, clock_gettime_for_tz(time2_timezone));
-		get_text_size2(time2_font_desc,
-					   &date_height_ink,
-					   &date_height,
-					   &date_width,
-					   panel->area.height,
-					   panel->area.width,
-					   buf_date,
-					   strlen(buf_date),
-					   PANGO_WRAP_WORD_CHAR,
-					   PANGO_ELLIPSIZE_NONE,
-					   FALSE);
-	}
+	int time_height_ink, time_height, time_width, date_height_ink, date_height, date_width;
+	clock_compute_text_geometry(panel,
+	                            &time_height_ink,
+	                            &time_height,
+	                            &time_width,
+	                            &date_height_ink,
+	                            &date_height,
+	                            &date_width);
 
+	int new_size = clock_compute_desired_size(clock);
 	if (panel_horizontal) {
-		int new_size = (time_width > date_width) ? time_width : date_width;
-		new_size += (2 * clock->area.paddingxlr) + (2 * clock->area.bg->border.width);
 		if (new_size > clock->area.width || new_size < (clock->area.width - 6)) {
 			// we try to limit the number of resizes
 			clock->area.width = new_size + 1;
@@ -288,7 +333,6 @@ gboolean resize_clock(void *obj)
 			result = TRUE;
 		}
 	} else {
-		int new_size = time_height + date_height + (2 * (clock->area.paddingxlr + clock->area.bg->border.width));
 		if (new_size != clock->area.height) {
 			// we try to limit the number of resizes
 			clock->area.height = new_size;
@@ -334,6 +378,15 @@ void draw_clock(void *obj, cairo_t *c)
 	g_object_unref(layout);
 }
 
+void clock_dump_geometry(void *obj, int indent)
+{
+	Clock *clock = (Clock *)obj;
+	fprintf(stderr, "%*sText 1: y = %d, text = %s\n", indent, "", clock->time1_posy, buf_time);
+	if (time2_format) {
+		fprintf(stderr, "%*sText 2: y = %d, text = %s\n", indent, "", clock->time2_posy, buf_date);
+	}
+}
+
 char *clock_get_tooltip(void *obj)
 {
 	strftime(buf_tooltip, sizeof(buf_tooltip), time_tooltip_format, clock_gettime_for_tz(time_tooltip_timezone));

src/config.c

@@ -31,14 +31,14 @@
 #include <string.h>
 #include <ctype.h>
 #include <glib/gstdio.h>
-#include <pango/pangocairo.h>
-#include <pango/pangoxft.h>
+#include <pango/pango-font.h>
 #include <Imlib2.h>
 
 #include "config.h"
 
 #ifndef TINT2CONF
 
+#include "tint2rc.h"
 #include "common.h"
 #include "server.h"
 #include "strnatcmp.h"
@@ -52,6 +52,7 @@
 #include "window.h"
 #include "tooltip.h"
 #include "timer.h"
+#include "separator.h"
 #include "execplugin.h"
 
 #ifdef ENABLE_BATTERY
@@ -202,6 +203,15 @@ void load_launcher_app_dir(const char *path)
 	g_list_free(files);
 }
 
+Separator *get_or_create_last_separator()
+{
+	if (!panel_config.separator_list) {
+		fprintf(stderr, "Warning: separator items should shart with 'separator = new'\n");
+		panel_config.separator_list = g_list_append(panel_config.separator_list, create_separator());
+	}
+	return (Separator *)g_list_last(panel_config.separator_list)->data;
+}
+
 Execp *get_or_create_last_execp()
 {
 	if (!panel_config.execp_list) {
@@ -233,12 +243,25 @@ void add_entry(char *key, char *value)
 		init_background(&bg);
 		bg.border.radius = atoi(value);
 		g_array_append_val(backgrounds, bg);
-		read_bg_color_hover = 0;
-		read_border_color_hover = 0;
-		read_bg_color_press = 0;
-		read_border_color_press = 0;
+		read_bg_color_hover = FALSE;
+		read_border_color_hover = FALSE;
+		read_bg_color_press = FALSE;
+		read_border_color_press = FALSE;
 	} else if (strcmp(key, "border_width") == 0) {
 		g_array_index(backgrounds, Background, backgrounds->len - 1).border.width = atoi(value);
+	} else if (strcmp(key, "border_sides") == 0) {
+		Background *bg = &g_array_index(backgrounds, Background, backgrounds->len - 1);
+		bg->border.mask = 0;
+		if (strchr(value, 'l') || strchr(value, 'L'))
+			bg->border.mask |= BORDER_LEFT;
+		if (strchr(value, 'r') || strchr(value, 'R'))
+			bg->border.mask |= BORDER_RIGHT;
+		if (strchr(value, 't') || strchr(value, 'T'))
+			bg->border.mask |= BORDER_TOP;
+		if (strchr(value, 'b') || strchr(value, 'B'))
+			bg->border.mask |= BORDER_BOTTOM;
+		if (!bg->border.mask)
+			bg->border.width = 0;
 	} else if (strcmp(key, "background_color") == 0) {
 		Background *bg = &g_array_index(backgrounds, Background, backgrounds->len - 1);
 		extract_values(value, &value1, &value2, &value3);
@@ -291,6 +314,59 @@ void add_entry(char *key, char *value)
 		else
 			bg->border_color_pressed.alpha = 0.5;
 		read_border_color_press = 1;
+	} else if (strcmp(key, "gradient_id") == 0) {
+		Background *bg = &g_array_index(backgrounds, Background, backgrounds->len - 1);
+		int id = atoi(value);
+		id = (id < gradients->len && id >= 0) ? id : -1;
+		if (id >= 0)
+			bg->gradients[MOUSE_NORMAL] = &g_array_index(gradients, GradientClass, id);
+	} else if (strcmp(key, "gradient_id_hover") == 0 || strcmp(key, "hover_gradient_id") == 0) {
+		Background *bg = &g_array_index(backgrounds, Background, backgrounds->len - 1);
+		int id = atoi(value);
+		id = (id < gradients->len && id >= 0) ? id : -1;
+		if (id >= 0)
+			bg->gradients[MOUSE_OVER] = &g_array_index(gradients, GradientClass, id);
+	} else if (strcmp(key, "gradient_id_pressed") == 0 || strcmp(key, "pressed_gradient_id") == 0) {
+		Background *bg = &g_array_index(backgrounds, Background, backgrounds->len - 1);
+		int id = atoi(value);
+		id = (id < gradients->len && id >= 0) ? id : -1;
+		if (id >= 0)
+			bg->gradients[MOUSE_DOWN] = &g_array_index(gradients, GradientClass, id);
+	}
+
+	/* Gradients */
+	else if (strcmp(key, "gradient") == 0) {
+		// Create a new gradient
+		GradientClass g;
+		init_gradient(&g, gradient_type_from_string(value));
+		g_array_append_val(gradients, g);
+	} else if (strcmp(key, "start_color") == 0) {
+		GradientClass *g = &g_array_index(gradients, GradientClass, gradients->len - 1);
+		extract_values(value, &value1, &value2, &value3);
+		get_color(value1, g->start_color.rgb);
+		if (value2)
+			g->start_color.alpha = (atoi(value2) / 100.0);
+		else
+			g->start_color.alpha = 0.5;
+	} else if (strcmp(key, "end_color") == 0) {
+		GradientClass *g = &g_array_index(gradients, GradientClass, gradients->len - 1);
+		extract_values(value, &value1, &value2, &value3);
+		get_color(value1, g->end_color.rgb);
+		if (value2)
+			g->end_color.alpha = (atoi(value2) / 100.0);
+		else
+			g->end_color.alpha = 0.5;
+	} else if (strcmp(key, "color_stop") == 0) {
+		GradientClass *g = &g_array_index(gradients, GradientClass, gradients->len - 1);
+		extract_values(value, &value1, &value2, &value3);
+		ColorStop *color_stop = (ColorStop *) calloc(1, sizeof(ColorStop));
+		color_stop->offset = atof(value1) / 100.0;
+		get_color(value2, color_stop->color.rgb);
+		if (value3)
+			color_stop->color.alpha = (atoi(value3) / 100.0);
+		else
+			color_stop->color.alpha = 0.5;
+		g->extra_color_stops = g_list_append(g->extra_color_stops, color_stop);
 	}
 
 	/* Panel */
@@ -298,6 +374,8 @@ void add_entry(char *key, char *value)
 		panel_config.monitor = config_get_monitor(value);
 	} else if (strcmp(key, "primary_monitor_first") == 0) {
 		primary_monitor_first = atoi(value);
+	} else if (strcmp(key, "panel_shrink") == 0) {
+		panel_shrink = atoi(value);
 	} else if (strcmp(key, "panel_size") == 0) {
 		extract_values(value, &value1, &value2, &value3);
 
@@ -514,6 +592,45 @@ void add_entry(char *key, char *value)
 #endif
 	}
 
+	/* Separator */
+	else if (strcmp(key, "separator") == 0) {
+		panel_config.separator_list = g_list_append(panel_config.separator_list, create_separator());
+	} else if (strcmp(key, "separator_background_id") == 0) {
+		Separator *separator = get_or_create_last_separator();
+		int id = atoi(value);
+		id = (id < backgrounds->len && id >= 0) ? id : 0;
+		separator->area.bg = &g_array_index(backgrounds, Background, id);
+	} else if (strcmp(key, "separator_color") == 0) {
+		Separator *separator = get_or_create_last_separator();
+		extract_values(value, &value1, &value2, &value3);
+		get_color(value1, separator->color.rgb);
+		if (value2)
+			separator->color.alpha = (atoi(value2) / 100.0);
+		else
+			separator->color.alpha = 0.5;
+	} else if (strcmp(key, "separator_style") == 0) {
+		Separator *separator = get_or_create_last_separator();
+		if (g_str_equal(value, "empty"))
+			separator->style = SEPARATOR_EMPTY;
+		else if (g_str_equal(value, "line"))
+			separator->style = SEPARATOR_LINE;
+		else if (g_str_equal(value, "dots"))
+			separator->style = SEPARATOR_DOTS;
+		else
+			fprintf(stderr, RED "Invalid separator_style value: %s" RESET "\n", value);
+	} else if (strcmp(key, "separator_size") == 0) {
+		Separator *separator = get_or_create_last_separator();
+		separator->thickness = atoi(value);
+	} else if (strcmp(key, "separator_padding") == 0) {
+		Separator *separator = get_or_create_last_separator();
+		extract_values(value, &value1, &value2, &value3);
+		separator->area.paddingxlr = separator->area.paddingx = atoi(value1);
+		if (value2)
+			separator->area.paddingy = atoi(value2);
+		if (value3)
+			separator->area.paddingx = atoi(value3);
+	}
+
 	/* Execp */
 	else if (strcmp(key, "execp") == 0) {
 		panel_config.execp_list = g_list_append(panel_config.execp_list, create_execp());
@@ -758,6 +875,8 @@ void add_entry(char *key, char *value)
 		hide_inactive_tasks = atoi(value);
 	} else if (strcmp(key, "taskbar_hide_different_monitor") == 0) {
 		hide_task_diff_monitor = atoi(value);
+	} else if (strcmp(key, "taskbar_hide_if_empty") == 0) {
+		hide_taskbar_if_empty = atoi(value);
 	} else if (strcmp(key, "taskbar_always_show_all_desktop_tasks") == 0) {
 		always_show_all_desktop_tasks = atoi(value);
 	} else if (strcmp(key, "taskbar_sort_order") == 0) {
@@ -796,9 +915,10 @@ void add_entry(char *key, char *value)
 	} else if (strcmp(key, "task_maximum_size") == 0) {
 		extract_values(value, &value1, &value2, &value3);
 		panel_config.g_task.maximum_width = atoi(value1);
-		panel_config.g_task.maximum_height = 30;
 		if (value2)
 			panel_config.g_task.maximum_height = atoi(value2);
+		else
+			panel_config.g_task.maximum_height = panel_config.g_task.maximum_width;
 	} else if (strcmp(key, "task_padding") == 0) {
 		extract_values(value, &value1, &value2, &value3);
 		panel_config.g_task.area.paddingxlr = panel_config.g_task.area.paddingx = atoi(value1);
@@ -890,6 +1010,10 @@ void add_entry(char *key, char *value)
 		systray.brightness = atoi(value3);
 	} else if (strcmp(key, "systray_monitor") == 0) {
 		systray_monitor = atoi(value) - 1;
+	} else if (strcmp(key, "systray_name_filter") == 0) {
+		if (systray_hide_name_filter)
+			free(systray_hide_name_filter);
+		systray_hide_name_filter = strdup(value);
 	}
 
 	/* Launcher */
@@ -1120,6 +1244,13 @@ gboolean config_read_default_path()
 	g_free(path1);
 
 	// copy tint2rc from system directory to user directory
+
+	fprintf(stderr, "tint2 warning: could not find a config file! Creating a default one.\n");
+	// According to the XDG Base Directory Specification (https://specifications.freedesktop.org/basedir-spec/basedir-spec-0.6.html)
+	// if the user's config directory does not exist, we should create it with permissions set to 0700.
+	if (!g_file_test(g_get_user_config_dir(), G_FILE_TEST_IS_DIR))
+		g_mkdir(g_get_user_config_dir(), 0700);
+
 	gchar *path2 = 0;
 	system_dirs = g_get_system_config_dirs();
 	for (int i = 0; system_dirs[i]; i++) {
@@ -1148,15 +1279,18 @@ gboolean config_read_default_path()
 		return result;
 	}
 
-	// generate empty config file
-	fprintf(stderr, "tint2 warning: could not find a config file!\n");
+	// generate config file
 	gchar *dir = g_build_filename(g_get_user_config_dir(), "tint2", NULL);
 	if (!g_file_test(dir, G_FILE_TEST_IS_DIR))
 		g_mkdir(dir, 0700);
 	g_free(dir);
 
 	path1 = g_build_filename(g_get_user_config_dir(), "tint2", "tint2rc", NULL);
-	copy_file("/dev/null", path1);
+	FILE *f = fopen(path1, "w");
+	if (f) {
+		fwrite(themes_tint2rc, 1, themes_tint2rc_len, f);
+		fclose(f);
+	}
 
 	gboolean result = config_read_file(path1);
 	config_path = strdup(path1);

src/execplugin/execplugin.c

@@ -21,6 +21,8 @@
 void execp_timer_callback(void *arg);
 char *execp_get_tooltip(void *obj);
 void execp_init_fonts();
+int execp_compute_desired_size(void *obj);
+void execp_dump_geometry(void *obj, int indent);
 
 void default_execp()
 {
@@ -31,12 +33,11 @@ Execp *create_execp()
 	Execp *execp = calloc(1, sizeof(Execp));
 	execp->backend = calloc(1, sizeof(ExecpBackend));
 	execp->backend->child_pipe = -1;
-
+	execp->backend->cmd_pids = g_tree_new(cmp_ptr);
 	execp->backend->interval = 30;
 	execp->backend->cache_icon = TRUE;
 	execp->backend->centered = TRUE;
 	execp->backend->font_color.alpha = 0.5;
-
 	return execp;
 }
 
@@ -58,6 +59,9 @@ void destroy_execp(void *obj)
 		// This is a frontend element
 		execp->backend->instances = g_list_remove_all(execp->backend->instances, execp);
 		free_and_null(execp->frontend);
+		remove_area(&execp->area);
+		free_area(&execp->area);
+		free_and_null(execp);
 	} else {
 		// This is a backend element
 		stop_timeout(execp->backend->timer);
@@ -79,6 +83,10 @@ void destroy_execp(void *obj)
 			close(execp->backend->child_pipe);
 			execp->backend->child_pipe = -1;
 		}
+		if (execp->backend->cmd_pids) {
+			g_tree_destroy(execp->backend->cmd_pids);
+			execp->backend->cmd_pids = NULL;
+		}
 
 		execp->backend->bg = NULL;
 		pango_font_description_free(execp->backend->font_desc);
@@ -157,20 +165,26 @@ void init_execp_panel(void *p)
 		execp->area.paddingxlr = execp->backend->paddingxlr;
 		execp->area.parent = panel;
 		execp->area.panel = panel;
-		snprintf(execp->area.name, sizeof(execp->area.name), "Execp %s", execp->backend->command ? execp->backend->command : "null");
+		execp->area._dump_geometry = execp_dump_geometry;
+		execp->area._compute_desired_size = execp_compute_desired_size;
+		snprintf(execp->area.name,
+		         sizeof(execp->area.name),
+		         "Execp %s",
+		         execp->backend->command ? execp->backend->command : "null");
 		execp->area._draw_foreground = draw_execp;
 		execp->area.size_mode = LAYOUT_FIXED;
 		execp->area._resize = resize_execp;
 		execp->area._get_tooltip_text = execp_get_tooltip;
 		execp->area._is_under_mouse = full_width_area_is_under_mouse;
 		execp->area.has_mouse_press_effect =
-			panel_config.mouse_effects &&
-			(execp->area.has_mouse_over_effect = execp->backend->lclick_command || execp->backend->mclick_command ||
-												 execp->backend->rclick_command || execp->backend->uwheel_command ||
-												 execp->backend->dwheel_command);
+		    panel_config.mouse_effects &&
+		    (execp->area.has_mouse_over_effect = execp->backend->lclick_command || execp->backend->mclick_command ||
+		                                         execp->backend->rclick_command || execp->backend->uwheel_command ||
+		                                         execp->backend->dwheel_command);
 
 		execp->area.resize_needed = TRUE;
 		execp->area.on_screen = TRUE;
+		instantiate_area_gradients(&execp->area);
 
 		if (!execp->backend->timer)
 			execp->backend->timer = add_timeout(10, 0, execp_timer_callback, execp, &execp->backend->timer);
@@ -212,7 +226,7 @@ void execp_default_font_changed()
 			}
 		}
 	}
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void cleanup_execp()
@@ -265,7 +279,7 @@ gboolean reload_icon(Execp *execp)
 			}
 			if (w != imlib_image_get_width() || h != imlib_image_get_height()) {
 				Imlib_Image icon_scaled =
-					imlib_create_cropped_scaled_image(0, 0, imlib_image_get_width(), imlib_image_get_height(), w, h);
+				    imlib_create_cropped_scaled_image(0, 0, imlib_image_get_width(), imlib_image_get_height(), w, h);
 				imlib_context_set_image(execp->backend->icon);
 				imlib_free_image();
 				execp->backend->icon = icon_scaled;
@@ -276,16 +290,14 @@ gboolean reload_icon(Execp *execp)
 	return FALSE;
 }
 
-gboolean resize_execp(void *obj)
+int execp_compute_desired_size(void *obj)
 {
-	Execp *execp = obj;
-	Panel *panel = execp->area.panel;
+	Execp *execp = (Execp *)obj;
+	Panel *panel = (Panel *)execp->area.panel;
 	int horiz_padding = (panel_horizontal ? execp->area.paddingxlr : execp->area.paddingy);
 	int vert_padding = (panel_horizontal ? execp->area.paddingy : execp->area.paddingxlr);
 	int interior_padding = execp->area.paddingx;
 
-	schedule_redraw(&execp->area);
-
 	int icon_w, icon_h;
 	if (reload_icon(execp)) {
 		if (execp->backend->icon) {
@@ -321,9 +333,9 @@ gboolean resize_execp(void *obj)
 					   &txt_width,
 					   panel->area.height,
 					   !text_next_line
-						   ? execp->area.width - icon_w - (icon_w ? interior_padding : 0) -
-								 2 * (horiz_padding + execp->area.bg->border.width)
-						   : execp->area.width - 2 * (horiz_padding + execp->area.bg->border.width),
+						   ? execp->area.width - icon_w - (icon_w ? interior_padding : 0) - 2 * horiz_padding -
+								 left_right_border_width(&execp->area)
+						   : execp->area.width - 2 * horiz_padding - left_right_border_width(&execp->area),
 					   execp->backend->text,
 					   strlen(execp->backend->text),
 					   PANGO_WRAP_WORD_CHAR,
@@ -331,12 +343,84 @@ gboolean resize_execp(void *obj)
 					   execp->backend->has_markup);
 	}
 
+	if (panel_horizontal) {
+		int new_size = txt_width;
+		if (icon_w)
+			new_size += interior_padding + icon_w;
+		new_size += 2 * horiz_padding + left_right_border_width(&execp->area);
+		return new_size;
+	} else {
+		int new_size;
+		if (!text_next_line) {
+			new_size = txt_height + 2 * vert_padding + top_bottom_border_width(&execp->area);
+			new_size = MAX(new_size, icon_h + 2 * vert_padding + top_bottom_border_width(&execp->area));
+		} else {
+			new_size =
+				icon_h + interior_padding + txt_height + 2 * vert_padding + top_bottom_border_width(&execp->area);
+		}
+		return new_size;
+	}
+}
+
+gboolean resize_execp(void *obj)
+{
+	Execp *execp = (Execp *)obj;
+	Panel *panel = (Panel *)execp->area.panel;
+	int horiz_padding = (panel_horizontal ? execp->area.paddingxlr : execp->area.paddingy);
+	int vert_padding = (panel_horizontal ? execp->area.paddingy : execp->area.paddingxlr);
+	int interior_padding = execp->area.paddingx;
+
+	int icon_w, icon_h;
+	if (reload_icon(execp)) {
+		if (execp->backend->icon) {
+			imlib_context_set_image(execp->backend->icon);
+			icon_w = imlib_image_get_width();
+			icon_h = imlib_image_get_height();
+		} else {
+			icon_w = icon_h = 0;
+		}
+	} else {
+		icon_w = icon_h = 0;
+	}
+
+	int text_next_line = !panel_horizontal && icon_w > execp->area.width / 2;
+
+	int txt_height_ink, txt_height, txt_width;
+	if (panel_horizontal) {
+		get_text_size2(execp->backend->font_desc,
+		               &txt_height_ink,
+		               &txt_height,
+		               &txt_width,
+		               panel->area.height,
+		               panel->area.width,
+		               execp->backend->text,
+		               strlen(execp->backend->text),
+		               PANGO_WRAP_WORD_CHAR,
+		               PANGO_ELLIPSIZE_NONE,
+		               execp->backend->has_markup);
+	} else {
+		get_text_size2(execp->backend->font_desc,
+		               &txt_height_ink,
+		               &txt_height,
+		               &txt_width,
+		               panel->area.height,
+		               !text_next_line
+		                   ? execp->area.width - icon_w - (icon_w ? interior_padding : 0) - 2 * horiz_padding -
+		                         left_right_border_width(&execp->area)
+		                   : execp->area.width - 2 * horiz_padding - left_right_border_width(&execp->area),
+		               execp->backend->text,
+		               strlen(execp->backend->text),
+		               PANGO_WRAP_WORD_CHAR,
+		               PANGO_ELLIPSIZE_NONE,
+		               execp->backend->has_markup);
+	}
+
 	gboolean result = FALSE;
 	if (panel_horizontal) {
 		int new_size = txt_width;
 		if (icon_w)
 			new_size += interior_padding + icon_w;
-		new_size += 2 * (horiz_padding + execp->area.bg->border.width);
+		new_size += 2 * horiz_padding + left_right_border_width(&execp->area);
 		if (new_size > execp->area.width || new_size < (execp->area.width - 6)) {
 			// we try to limit the number of resize
 			execp->area.width = new_size + 1;
@@ -345,12 +429,11 @@ gboolean resize_execp(void *obj)
 	} else {
 		int new_size;
 		if (!text_next_line) {
-			new_size = txt_height + (2 * (vert_padding + execp->area.bg->border.width));
-			if (new_size < icon_h + (2 * (vert_padding + execp->area.bg->border.width))) {
-				new_size = icon_h + (2 * (vert_padding + execp->area.bg->border.width));
-			}
+			new_size = txt_height + 2 * vert_padding + top_bottom_border_width(&execp->area);
+			new_size = MAX(new_size, icon_h + 2 * vert_padding + top_bottom_border_width(&execp->area));
 		} else {
-			new_size = icon_h + interior_padding + txt_height + (2 * (vert_padding + execp->area.bg->border.width));
+			new_size =
+			    icon_h + interior_padding + txt_height + 2 * vert_padding + top_bottom_border_width(&execp->area);
 		}
 		if (new_size != execp->area.height) {
 			execp->area.height = new_size;
@@ -380,21 +463,23 @@ gboolean resize_execp(void *obj)
 		if (icon_w) {
 			if (!text_next_line) {
 				execp->frontend->icony = (execp->area.height - icon_h) / 2;
-				execp->frontend->iconx = execp->area.bg->border.width + horiz_padding;
+				execp->frontend->iconx = left_border_width(&execp->area) + horiz_padding;
 				execp->frontend->texty = (execp->area.height - txt_height) / 2;
 				execp->frontend->textx = execp->frontend->iconx + icon_w + interior_padding;
 			} else {
 				execp->frontend->icony = (execp->area.height - icon_h - interior_padding - txt_height) / 2;
-				execp->frontend->iconx = execp->area.bg->border.width + horiz_padding;
+				execp->frontend->iconx = left_border_width(&execp->area) + horiz_padding;
 				execp->frontend->texty = execp->frontend->icony + icon_h + interior_padding;
 				execp->frontend->textx = execp->frontend->iconx;
 			}
 		} else {
 			execp->frontend->texty = (execp->area.height - txt_height) / 2;
-			execp->frontend->textx = execp->area.bg->border.width + horiz_padding;
+			execp->frontend->textx = left_border_width(&execp->area) + horiz_padding;
 		}
 	}
 
+	schedule_redraw(&execp->area);
+
 	return result;
 }
 
@@ -422,15 +507,56 @@ void draw_execp(void *obj, cairo_t *c)
 
 	pango_cairo_update_layout(c, layout);
 	draw_text(layout,
-			  c,
-			  execp->frontend->textx,
-			  execp->frontend->texty,
-			  &execp->backend->font_color,
-			  panel_config.font_shadow);
+	          c,
+	          execp->frontend->textx,
+	          execp->frontend->texty,
+	          &execp->backend->font_color,
+	          panel_config.font_shadow);
 
 	g_object_unref(layout);
 }
 
+void execp_dump_geometry(void *obj, int indent)
+{
+	Execp *execp = obj;
+
+	if (execp->backend->has_icon && execp->backend->icon) {
+		Imlib_Image tmp = imlib_context_get_image();
+		imlib_context_set_image(execp->backend->icon);
+		fprintf(stderr,
+		        "%*sIcon: x = %d, y = %d, w = %d, h = %d\n",
+		        indent,
+		        "",
+		        execp->frontend->iconx,
+		        execp->frontend->icony,
+		        imlib_image_get_width(),
+		        imlib_image_get_height());
+		if (tmp)
+			imlib_context_set_image(tmp);
+	}
+	fprintf(stderr,
+	        "%*sText: x = %d, y = %d, w = %d, align = %s, text = %s\n",
+	        indent,
+	        "",
+	        execp->frontend->textx,
+	        execp->frontend->texty,
+	        execp->frontend->textw,
+	        execp->backend->centered ? "center" : "left",
+	        execp->backend->text);
+}
+
+void execp_force_update(Execp *execp)
+{
+	if (execp->backend->child_pipe > 0) {
+		// Command currently running, nothing to do
+	} else {
+		if (execp->backend->timer)
+			stop_timeout(execp->backend->timer);
+		// Run command right away
+		execp->backend->timer = add_timeout(10, 0, execp_timer_callback, execp, &execp->backend->timer);
+	}
+}
+
 void execp_action(void *obj, int button, int x, int y)
 {
 	Execp *execp = obj;
@@ -462,20 +588,32 @@ void execp_action(void *obj, int button, int x, int y)
 		                                 execp->area.width,
 		                                 execp->area.height,
 		                                 command);
-		tint_exec(full_cmd);
+		pid_t pid = fork();
+		if (pid < 0) {
+			fprintf(stderr, "Could not fork\n");
+		} else if (pid == 0) {
+			// Child process
+			// Allow children to exist after parent destruction
+			setsid();
+			// Run the command
+			execl("/bin/sh", "/bin/sh", "-c", full_cmd, NULL);
+			fprintf(stderr, "Failed to execlp %s\n", full_cmd);
+			exit(1);
+		}
+		// Parent process
+		g_tree_insert(execp->backend->cmd_pids, GINT_TO_POINTER(pid), GINT_TO_POINTER(1));
 		g_free(full_cmd);
 	} else {
-		if (execp->backend->child_pipe > 0) {
-			// Command currently running, nothing to do
-		} else {
-			if (execp->backend->timer)
-				stop_timeout(execp->backend->timer);
-			// Run command right away
-			execp->backend->timer = add_timeout(10, 0, execp_timer_callback, execp, &execp->backend->timer);
-		}
+		execp_force_update(execp);
 	}
 }
 
+void execp_cmd_completed(Execp *execp, pid_t pid)
+{
+	g_tree_remove(execp->backend->cmd_pids, GINT_TO_POINTER(pid));
+	execp_force_update(execp);
+}
+
 void execp_timer_callback(void *arg)
 {
 	Execp *execp = arg;
@@ -539,8 +677,8 @@ gboolean read_execp(void *obj)
 			execp->backend->buf_output = realloc(execp->backend->buf_output, execp->backend->buf_capacity);
 		}
 		ssize_t count = read(execp->backend->child_pipe,
-							 execp->backend->buf_output + execp->backend->buf_length,
-							 execp->backend->buf_capacity - execp->backend->buf_length - 1);
+		                     execp->backend->buf_output + execp->backend->buf_length,
+		                     execp->backend->buf_capacity - execp->backend->buf_length - 1);
 		if (count > 0) {
 			// Successful read
 			execp->backend->buf_length += count;
@@ -570,7 +708,7 @@ gboolean read_execp(void *obj)
 		execp->backend->child_pipe = -1;
 		if (execp->backend->interval)
 			execp->backend->timer =
-				add_timeout(execp->backend->interval * 1000, 0, execp_timer_callback, execp, &execp->backend->timer);
+			    add_timeout(execp->backend->interval * 1000, 0, execp_timer_callback, execp, &execp->backend->timer);
 	}
 
 	if (!execp->backend->continuous && command_finished) {
@@ -596,7 +734,7 @@ gboolean read_execp(void *obj)
 		execp->backend->buf_output[execp->backend->buf_length] = '\0';
 		execp->backend->last_update_finish_time = time(NULL);
 		execp->backend->last_update_duration =
-			execp->backend->last_update_finish_time - execp->backend->last_update_start_time;
+		    execp->backend->last_update_finish_time - execp->backend->last_update_start_time;
 		return TRUE;
 	} else if (execp->backend->continuous > 0) {
 		// Count lines in buffer
@@ -651,7 +789,7 @@ gboolean read_execp(void *obj)
 
 			execp->backend->last_update_finish_time = time(NULL);
 			execp->backend->last_update_duration =
-				execp->backend->last_update_finish_time - execp->backend->last_update_start_time;
+			    execp->backend->last_update_finish_time - execp->backend->last_update_start_time;
 			return TRUE;
 		}
 	}
@@ -700,16 +838,16 @@ char *execp_get_tooltip(void *obj)
 			// We updated at least once
 			if (execp->backend->interval > 0) {
 				sprintf(execp->backend->tooltip_text,
-						"Last update finished %s ago (took %s). Next update starting in %s.",
-						time_to_string((int)(now - execp->backend->last_update_finish_time), tmp_buf1),
-						time_to_string((int)execp->backend->last_update_duration, tmp_buf2),
-						time_to_string((int)(execp->backend->interval - (now - execp->backend->last_update_finish_time)),
-									   tmp_buf3));
+				        "Last update finished %s ago (took %s). Next update starting in %s.",
+				        time_to_string((int)(now - execp->backend->last_update_finish_time), tmp_buf1),
+				        time_to_string((int)execp->backend->last_update_duration, tmp_buf2),
+				        time_to_string((int)(execp->backend->interval - (now - execp->backend->last_update_finish_time)),
+				                       tmp_buf3));
 			} else {
 				sprintf(execp->backend->tooltip_text,
-						"Last update finished %s ago (took %s).",
-						time_to_string((int)(now - execp->backend->last_update_finish_time), tmp_buf1),
-						time_to_string((int)execp->backend->last_update_duration, tmp_buf2));
+				        "Last update finished %s ago (took %s).",
+				        time_to_string((int)(now - execp->backend->last_update_finish_time), tmp_buf1),
+				        time_to_string((int)execp->backend->last_update_duration, tmp_buf2));
 			}
 		} else {
 			// we never requested an update
@@ -720,14 +858,14 @@ char *execp_get_tooltip(void *obj)
 		if (execp->backend->last_update_finish_time) {
 			// we finished updating at least once
 			sprintf(execp->backend->tooltip_text,
-					"Last update finished %s ago. Update in progress (started %s ago).",
-					time_to_string((int)(now - execp->backend->last_update_finish_time), tmp_buf1),
-					time_to_string((int)(now - execp->backend->last_update_start_time), tmp_buf3));
+			        "Last update finished %s ago. Update in progress (started %s ago).",
+			        time_to_string((int)(now - execp->backend->last_update_finish_time), tmp_buf1),
+			        time_to_string((int)(now - execp->backend->last_update_start_time), tmp_buf3));
 		} else {
 			// we never finished an update
 			sprintf(execp->backend->tooltip_text,
-					"First update in progress (started %s seconds ago).",
-					time_to_string((int)(now - execp->backend->last_update_start_time), tmp_buf1));
+			        "First update in progress (started %s seconds ago).",
+			        time_to_string((int)(now - execp->backend->last_update_start_time), tmp_buf1));
 		}
 	}
 	return strdup(execp->backend->tooltip_text);

src/execplugin/execplugin.h

@@ -70,6 +70,7 @@ typedef struct ExecpBackend {
 
 	// List of Execp which are frontends for this backend, one for each panel
 	GList *instances;
+	GTree *cmd_pids;
 } ExecpBackend;
 
 typedef struct ExecpFrontend {
@@ -130,6 +131,8 @@ gboolean resize_execp(void *obj);
 // Called on mouse click event.
 void execp_action(void *obj, int button, int x, int y);
 
+void execp_cmd_completed(Execp *obj, pid_t pid);
+
 // Called to check if new output from the command can be read.
 // No command might be running.
 // Returns 1 if the output has been updated and a redraw is needed.

src/freespace/freespace.c

@@ -30,44 +30,76 @@
 #include "freespace.h"
 #include "common.h"
 
+int freespace_area_compute_desired_size(void *obj);
+
 void init_freespace_panel(void *p)
 {
 	Panel *panel = (Panel *)p;
-	FreeSpace *freespace = &panel->freespace;
 
-	if (!freespace->area.bg)
-		freespace->area.bg = &g_array_index(backgrounds, Background, 0);
-	freespace->area.parent = p;
-	freespace->area.panel = p;
-	snprintf(freespace->area.name, sizeof(freespace->area.name), "Freespace");
-	freespace->area.size_mode = LAYOUT_FIXED;
-	freespace->area.resize_needed = 1;
-	freespace->area.on_screen = TRUE;
-	freespace->area._resize = resize_freespace;
+	// Make sure this is only done once if there are multiple items
+	if (panel->freespace_list)
+		return;
+
+	for (size_t k = 0; k < strlen(panel_items_order); k++) {
+		if (panel_items_order[k] == 'F') {
+			FreeSpace *freespace = (FreeSpace *) calloc(1, sizeof(FreeSpace));
+			panel->freespace_list = g_list_append(panel->freespace_list, freespace);
+			if (!freespace->area.bg)
+				freespace->area.bg = &g_array_index(backgrounds, Background, 0);
+			freespace->area.parent = p;
+			freespace->area.panel = p;
+			snprintf(freespace->area.name, sizeof(freespace->area.name), "Freespace");
+			freespace->area.size_mode = LAYOUT_FIXED;
+			freespace->area.resize_needed = 1;
+			freespace->area.on_screen = TRUE;
+			freespace->area._resize = resize_freespace;
+			freespace->area._compute_desired_size = freespace_area_compute_desired_size;
+		}
+	}
+}
+
+void cleanup_freespace(Panel *panel)
+{
+	if (panel->freespace_list)
+		g_list_free_full(panel->freespace_list, free);
+	panel->freespace_list = NULL;
 }
 
 int freespace_get_max_size(Panel *p)
 {
+	if (panel_shrink)
+		return 0;
 	// Get space used by every element except the freespace
 	int size = 0;
+	int spacers = 0;
 	for (GList *walk = p->area.children; walk; walk = g_list_next(walk)) {
 		Area *a = (Area *)walk->data;
 
-		if (a->_resize == resize_freespace || !a->on_screen)
+		if (!a->on_screen)
 			continue;
+		if (a->_resize == resize_freespace) {
+			spacers++;
+			continue;
+		}
 
 		if (panel_horizontal)
-			size += a->width + (a->bg->border.width * 2) + p->area.paddingx;
+			size += a->width + p->area.paddingx;
 		else
-			size += a->height + (a->bg->border.width * 2) + p->area.paddingy;
+			size += a->height + p->area.paddingy;
 	}
 
 	if (panel_horizontal)
-		size = p->area.width - size - (p->area.bg->border.width * 2) - p->area.paddingxlr;
+		size = p->area.width - size - left_right_border_width(&p->area) - p->area.paddingxlr;
 	else
-		size = p->area.height - size - (p->area.bg->border.width * 2) - p->area.paddingxlr;
+		size = p->area.height - size - top_bottom_border_width(&p->area) - p->area.paddingxlr;
 
-	return size;
+	return size / spacers;
+}
+
+int freespace_area_compute_desired_size(void *obj)
+{
+	FreeSpace *freespace = (FreeSpace *) obj;
+	return freespace_get_max_size((Panel *)freespace->area.panel);
 }
 
 gboolean resize_freespace(void *obj)
@@ -89,6 +121,6 @@ gboolean resize_freespace(void *obj)
 	}
 
 	schedule_redraw(&freespace->area);
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 	return TRUE;
 }

src/freespace/freespace.h

@@ -12,7 +12,9 @@ typedef struct FreeSpace {
 	Area area;
 } FreeSpace;
 
-void cleanup_freespace();
+struct Panel;
+
+void cleanup_freespace(struct Panel *panel);
 void init_freespace_panel(void *panel);
 
 gboolean resize_freespace(void *obj);

src/launcher/apps-common.c

@@ -110,7 +110,7 @@ void expand_exec(DesktopEntry *entry, const char *path)
 
 gboolean read_desktop_file_full_path(const char *path, DesktopEntry *entry)
 {
-	entry->name = entry->generic_name = entry->icon = entry->exec = NULL;
+	entry->name = entry->generic_name = entry->icon = entry->exec = entry->cwd = NULL;
 	entry->hidden_from_menus = FALSE;
 
 	FILE *fp = fopen(path, "rt");
@@ -185,6 +185,8 @@ gboolean read_desktop_file_full_path(const char *path, DesktopEntry *entry)
 				}
 			} else if (!entry->exec && strcmp(key, "Exec") == 0) {
 				entry->exec = strdup(value);
+			} else if (!entry->cwd && strcmp(key, "Path") == 0) {
+				entry->cwd = strdup(value);
 			} else if (!entry->icon && strcmp(key, "Icon") == 0) {
 				entry->icon = strdup(value);
 			} else if (strcmp(key, "NoDisplay") == 0) {
@@ -209,11 +211,11 @@ gboolean read_desktop_file_from_dir(const char *path, const char *file_name, Des
 		g_free(full_path);
 		return TRUE;
 	}
-	free(entry->name);
-	free(entry->generic_name);
-	free(entry->icon);
-	free(entry->exec);
-	entry->name = entry->generic_name = entry->icon = entry->exec = NULL;
+	free_and_null(entry->name);
+	free_and_null(entry->generic_name);
+	free_and_null(entry->icon);
+	free_and_null(entry->exec);
+	free_and_null(entry->cwd);
 
 	GList *subdirs = NULL;
 
@@ -252,7 +254,7 @@ gboolean read_desktop_file_from_dir(const char *path, const char *file_name, Des
 gboolean read_desktop_file(const char *path, DesktopEntry *entry)
 {
 	entry->path = strdup(path);
-	entry->name = entry->generic_name = entry->icon = entry->exec = NULL;
+	entry->name = entry->generic_name = entry->icon = entry->exec = entry->cwd = NULL;
 
 	if (strchr(path, '/'))
 		return read_desktop_file_full_path(path, entry);
@@ -265,12 +267,12 @@ gboolean read_desktop_file(const char *path, DesktopEntry *entry)
 
 void free_desktop_entry(DesktopEntry *entry)
 {
-	free(entry->name);
-	free(entry->generic_name);
-	free(entry->icon);
-	free(entry->exec);
-	free(entry->path);
-	entry->name = entry->generic_name = entry->icon = entry->exec = entry->path = NULL;
+	free_and_null(entry->name);
+	free_and_null(entry->generic_name);
+	free_and_null(entry->icon);
+	free_and_null(entry->exec);
+	free_and_null(entry->path);
+	free_and_null(entry->cwd);
 }
 
 void test_read_desktop_file()

src/launcher/apps-common.h

@@ -15,6 +15,7 @@ typedef struct DesktopEntry {
 	char *exec;
 	char *icon;
 	char *path;
+	char *cwd;
 	gboolean hidden_from_menus;
 } DesktopEntry;
 

src/launcher/icon-theme-common.c

@@ -305,6 +305,7 @@ void free_themes(IconThemeWrapper *wrapper)
 {
 	if (!wrapper)
 		return;
+	free(wrapper->icon_theme_name);
 	for (GSList *l = wrapper->themes; l; l = l->next) {
 		IconTheme *theme = (IconTheme *)l->data;
 		free_icon_theme(theme);

src/launcher/launcher.c

@@ -30,7 +30,6 @@
 #include <glib/gi18n.h>
 #include <glib.h>
 #include <glib/gstdio.h>
-#include <gdk-pixbuf/gdk-pixbuf.h>
 #include <sys/types.h>
 
 #include "window.h"
@@ -53,9 +52,16 @@ char *icon_theme_name_xsettings;
 int launcher_icon_theme_override;
 int startup_notifications;
 Background *launcher_icon_bg;
+GList *launcher_icon_gradients;
 
 Imlib_Image scale_icon(Imlib_Image original, int icon_size);
 void free_icon(Imlib_Image icon);
+void launcher_icon_dump_geometry(void *obj, int indent);
+void launcher_reload_icon(Launcher *launcher, LauncherIcon *launcherIcon);
+void launcher_reload_icon_image(Launcher *launcher, LauncherIcon *launcherIcon);
+void launcher_reload_hidden_icons(Launcher *launcher);
+void launcher_icon_on_change_layout(void *obj);
+int launcher_compute_desired_size(void *obj);
 
 void default_launcher()
 {
@@ -70,6 +76,7 @@ void default_launcher()
 	launcher_icon_theme_override = 0;
 	startup_notifications = 0;
 	launcher_icon_bg = NULL;
+	launcher_icon_gradients = NULL;
 }
 
 void init_launcher()
@@ -87,6 +94,7 @@ void init_launcher_panel(void *p)
 	launcher->area._draw_foreground = NULL;
 	launcher->area.size_mode = LAYOUT_FIXED;
 	launcher->area._resize = resize_launcher;
+	launcher->area._compute_desired_size = launcher_compute_desired_size;
 	launcher->area.resize_needed = 1;
 	schedule_redraw(&launcher->area);
 	if (!launcher->area.bg)
@@ -99,8 +107,12 @@ void init_launcher_panel(void *p)
 	if (launcher->list_apps == NULL)
 		return;
 
+	// This will be recomputed on resize, we just initialize to a non-zero value
+	launcher->icon_size = launcher_max_icon_size > 0 ? launcher_max_icon_size : 24;
+
 	launcher->area.on_screen = TRUE;
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
+	instantiate_area_gradients(&launcher->area);
 
 	launcher_load_themes(launcher);
 	launcher_load_icons(launcher);
@@ -142,6 +154,7 @@ void cleanup_launcher_theme(Launcher *launcher)
 			free(launcherIcon->icon_path);
 			free(launcherIcon->cmd);
 			g_free(launcherIcon->icon_tooltip);
+			free(launcherIcon->config_path);
 		}
 		free(launcherIcon);
 	}
@@ -152,145 +165,145 @@ void cleanup_launcher_theme(Launcher *launcher)
 	launcher->icon_theme_wrapper = NULL;
 }
 
-gboolean resize_launcher(void *obj)
+int launcher_compute_icon_size(Launcher *launcher)
 {
-	Launcher *launcher = obj;
-	int icons_per_column = 1, icons_per_row = 1, margin = 0;
-
-	int icon_size;
-	if (panel_horizontal) {
-		icon_size = launcher->area.height;
-	} else {
-		icon_size = launcher->area.width;
-	}
-	icon_size = icon_size - (2 * launcher->area.bg->border.width) - (2 * launcher->area.paddingy);
+	int icon_size = panel_horizontal ? launcher->area.height : launcher->area.width;
+	icon_size = icon_size - MAX(left_right_border_width(&launcher->area), top_bottom_border_width(&launcher->area)) -
+	            (2 * launcher->area.paddingy);
 	if (launcher_max_icon_size > 0 && icon_size > launcher_max_icon_size)
 		icon_size = launcher_max_icon_size;
+	return icon_size;
+}
+
+void launcher_compute_geometry(Launcher *launcher,
+                               int *size,
+                               int *icon_size,
+                               int *icons_per_column,
+                               int *icons_per_row,
+                               int *margin)
+{
+	int count = 0;
+	for (GSList *l = launcher->list_icons; l; l = l->next) {
+		LauncherIcon *launcherIcon = (LauncherIcon *)l->data;
+		if (launcherIcon->area.on_screen)
+			count++;
+	}
+
+	*icon_size = launcher_compute_icon_size(launcher);
+	*icons_per_column = 1;
+	*icons_per_row = 1;
+	*margin = 0;
+	if (panel_horizontal) {
+		if (!count) {
+			*size = 0;
+		} else {
+			int height = launcher->area.height - top_bottom_border_width(&launcher->area) - 2 * launcher->area.paddingy;
+			// here icons_per_column always higher than 0
+			*icons_per_column = (height + launcher->area.paddingx) / (*icon_size + launcher->area.paddingx);
+			*margin = height - (*icons_per_column - 1) * (*icon_size + launcher->area.paddingx) - *icon_size;
+			*icons_per_row = count / *icons_per_column + (count % *icons_per_column != 0);
+			*size = left_right_border_width(&launcher->area) + 2 * launcher->area.paddingxlr +
+			        (*icon_size * *icons_per_row) + ((*icons_per_row - 1) * launcher->area.paddingx);
+		}
+	} else {
+		if (!count) {
+			*size = 0;
+		} else {
+			int width = launcher->area.width - top_bottom_border_width(&launcher->area) - 2 * launcher->area.paddingy;
+			// here icons_per_row always higher than 0
+			*icons_per_row = (width + launcher->area.paddingx) / (*icon_size + launcher->area.paddingx);
+			*margin = width - (*icons_per_row - 1) * (*icon_size + launcher->area.paddingx) - *icon_size;
+			*icons_per_column = count / *icons_per_row + (count % *icons_per_row != 0);
+			*size = top_bottom_border_width(&launcher->area) + 2 * launcher->area.paddingxlr +
+			        (*icon_size * *icons_per_column) + ((*icons_per_column - 1) * launcher->area.paddingx);
+		}
+	}
+}
+
+int launcher_compute_desired_size(void *obj)
+{
+	Launcher *launcher = (Launcher *)obj;
+
+	int size, icon_size, icons_per_column, icons_per_row, margin;
+	launcher_compute_geometry(launcher, &size, &icon_size, &icons_per_column, &icons_per_row, &margin);
+	return size;
+}
+
+gboolean resize_launcher(void *obj)
+{
+	Launcher *launcher = (Launcher *)obj;
+
+	int size, icons_per_column, icons_per_row, margin;
+	launcher_compute_geometry(launcher, &size, &launcher->icon_size, &icons_per_column, &icons_per_row, &margin);
 
 	// Resize icons if necessary
 	for (GSList *l = launcher->list_icons; l; l = l->next) {
 		LauncherIcon *launcherIcon = (LauncherIcon *)l->data;
-		if (launcherIcon->icon_size != icon_size || !launcherIcon->image) {
-			launcherIcon->icon_size = icon_size;
+		if (launcherIcon->icon_size != launcher->icon_size || !launcherIcon->image) {
+			launcherIcon->icon_size = launcher->icon_size;
 			launcherIcon->area.width = launcherIcon->icon_size;
 			launcherIcon->area.height = launcherIcon->icon_size;
-
-			// Get the path for an icon file with the new size
-			char *new_icon_path =
-				get_icon_path(launcher->icon_theme_wrapper, launcherIcon->icon_name, launcherIcon->icon_size);
-			if (!new_icon_path) {
-				// Draw a blank icon
-				free_icon(launcherIcon->image);
-				free_icon(launcherIcon->image_hover);
-				free_icon(launcherIcon->image_pressed);
-				launcherIcon->image = NULL;
-				continue;
-			}
-
-			// Free the old files
-			free_icon(launcherIcon->image);
-			free_icon(launcherIcon->image_hover);
-			free_icon(launcherIcon->image_pressed);
-			// Load the new file
-			launcherIcon->image = load_image(new_icon_path, 1);
-			// On loading error, fallback to default
-			if (!launcherIcon->image) {
-				free(new_icon_path);
-				new_icon_path = get_icon_path(launcher->icon_theme_wrapper, DEFAULT_ICON, launcherIcon->icon_size);
-				if (new_icon_path)
-					launcherIcon->image = imlib_load_image_immediately(new_icon_path);
-			}
-
-			if (!launcherIcon->image) {
-				// Loading default icon failed, draw a blank icon
-				free(new_icon_path);
-			} else {
-				// Loaded icon successfully, rescale it
-				Imlib_Image original = launcherIcon->image;
-				launcherIcon->image = scale_icon(launcherIcon->image, launcherIcon->icon_size);
-				free_icon(original);
-				free(launcherIcon->icon_path);
-				launcherIcon->icon_path = new_icon_path;
-				fprintf(stderr, "launcher.c %d: Using icon %s\n", __LINE__, launcherIcon->icon_path);
-			}
-		}
-
-		if (panel_config.mouse_effects) {
-			launcherIcon->image_hover = adjust_icon(launcherIcon->image,
-													panel_config.mouse_over_alpha,
-													panel_config.mouse_over_saturation,
-													panel_config.mouse_over_brightness);
-			launcherIcon->image_pressed = adjust_icon(launcherIcon->image,
-													  panel_config.mouse_pressed_alpha,
-													  panel_config.mouse_pressed_saturation,
-													  panel_config.mouse_pressed_brightness);
+			launcher_reload_icon_image(launcher, launcherIcon);
 		}
 	}
 	save_icon_cache(launcher->icon_theme_wrapper);
 
-	int count = g_slist_length(launcher->list_icons);
-
-	if (panel_horizontal) {
-		if (!count) {
-			launcher->area.width = 0;
-		} else {
-			int height = launcher->area.height - 2 * launcher->area.bg->border.width - 2 * launcher->area.paddingy;
-			// here icons_per_column always higher than 0
-			icons_per_column = (height + launcher->area.paddingx) / (icon_size + launcher->area.paddingx);
-			margin = height - (icons_per_column - 1) * (icon_size + launcher->area.paddingx) - icon_size;
-			icons_per_row = count / icons_per_column + (count % icons_per_column != 0);
-			launcher->area.width = (2 * launcher->area.bg->border.width) + (2 * launcher->area.paddingxlr) +
-								   (icon_size * icons_per_row) + ((icons_per_row - 1) * launcher->area.paddingx);
+	int count = 0;
+	gboolean needs_repositioning = FALSE;
+	for (GSList *l = launcher->list_icons; l; l = l->next) {
+		LauncherIcon *launcherIcon = (LauncherIcon *)l->data;
+		if (launcherIcon->area.on_screen) {
+			count++;
+			if (launcherIcon->area.posx < 0 || launcherIcon->area.posy < 0)
+				needs_repositioning = TRUE;
 		}
-	} else {
-		if (!count) {
-			launcher->area.height = 0;
+	}
+
+	if (!needs_repositioning) {
+		if (panel_horizontal) {
+			if (launcher->area.width == size)
+				return FALSE;
+			launcher->area.width = size;
 		} else {
-			int width = launcher->area.width - 2 * launcher->area.bg->border.width - 2 * launcher->area.paddingy;
-			// here icons_per_row always higher than 0
-			icons_per_row = (width + launcher->area.paddingx) / (icon_size + launcher->area.paddingx);
-			margin = width - (icons_per_row - 1) * (icon_size + launcher->area.paddingx) - icon_size;
-			icons_per_column = count / icons_per_row + (count % icons_per_row != 0);
-			launcher->area.height = (2 * launcher->area.bg->border.width) + (2 * launcher->area.paddingxlr) +
-									(icon_size * icons_per_column) + ((icons_per_column - 1) * launcher->area.paddingx);
+			if (launcher->area.height == size)
+				return FALSE;
+			launcher->area.height = size;
 		}
 	}
 
 	int posx, posy;
-	int start = launcher->area.bg->border.width + launcher->area.paddingy + margin / 2;
+	int start;
 	if (panel_horizontal) {
-		posy = start;
-		posx = launcher->area.bg->border.width + launcher->area.paddingxlr;
+		posy = start = top_border_width(&launcher->area) + launcher->area.paddingy + margin / 2;
+		posx = left_border_width(&launcher->area) + launcher->area.paddingxlr;
 	} else {
-		posx = start;
-		posy = launcher->area.bg->border.width + launcher->area.paddingxlr;
+		posx = start = left_border_width(&launcher->area) + launcher->area.paddingy + margin / 2;
+		posy = top_border_width(&launcher->area) + launcher->area.paddingxlr;
 	}
 
-	int i;
-	GSList *l;
-	for (i = 1, l = launcher->list_icons; l; i++, l = l->next) {
+	int i = 0;
+	for (GSList *l = launcher->list_icons; l; l = l->next) {
 		LauncherIcon *launcherIcon = (LauncherIcon *)l->data;
-
+		if (!launcherIcon->area.on_screen)
+			continue;
+		i++;
 		launcherIcon->y = posy;
 		launcherIcon->x = posx;
-		launcherIcon->area.posy = ((Area *)launcherIcon->area.parent)->posy + launcherIcon->y;
-		launcherIcon->area.posx = ((Area *)launcherIcon->area.parent)->posx + launcherIcon->x;
-		launcherIcon->area.width = launcherIcon->icon_size;
-		launcherIcon->area.height = launcherIcon->icon_size;
+		launcher_icon_on_change_layout(launcherIcon);
 		// printf("launcher %d : %d,%d\n", i, posx, posy);
 		if (panel_horizontal) {
 			if (i % icons_per_column) {
-				posy += icon_size + launcher->area.paddingx;
+				posy += launcher->icon_size + launcher->area.paddingx;
 			} else {
 				posy = start;
-				posx += (icon_size + launcher->area.paddingx);
+				posx += (launcher->icon_size + launcher->area.paddingx);
 			}
 		} else {
 			if (i % icons_per_row) {
-				posx += icon_size + launcher->area.paddingx;
+				posx += launcher->icon_size + launcher->area.paddingx;
 			} else {
 				posx = start;
-				posy += (icon_size + launcher->area.paddingx);
+				posy += (launcher->icon_size + launcher->area.paddingx);
 			}
 		}
 	}
@@ -319,6 +332,12 @@ void launcher_icon_on_change_layout(void *obj)
 	launcherIcon->area.height = launcherIcon->icon_size;
 }
 
+int launcher_icon_compute_desired_size(void *obj)
+{
+	LauncherIcon *icon = (LauncherIcon *)obj;
+	return icon->icon_size;
+}
+
 char *launcher_icon_get_tooltip_text(void *obj)
 {
 	LauncherIcon *launcherIcon = (LauncherIcon *)obj;
@@ -345,27 +364,33 @@ void draw_launcher_icon(void *obj, cairo_t *c)
 	render_image(launcherIcon->area.pix, 0, 0);
 }
 
+void launcher_icon_dump_geometry(void *obj, int indent)
+{
+	LauncherIcon *launcherIcon = (LauncherIcon *)obj;
+	fprintf(stderr, "%*sIcon: w = h = %d, name = %s\n", indent, "", launcherIcon->icon_size, launcherIcon->icon_name);
+}
+
 Imlib_Image scale_icon(Imlib_Image original, int icon_size)
 {
 	Imlib_Image icon_scaled;
 	if (original) {
 		imlib_context_set_image(original);
 		icon_scaled = imlib_create_cropped_scaled_image(0,
-														0,
-														imlib_image_get_width(),
-														imlib_image_get_height(),
-														icon_size,
-														icon_size);
+		                                                0,
+		                                                imlib_image_get_width(),
+		                                                imlib_image_get_height(),
+		                                                icon_size,
+		                                                icon_size);
 
 		imlib_context_set_image(icon_scaled);
 		imlib_image_set_has_alpha(1);
 		DATA32 *data = imlib_image_get_data();
 		adjust_asb(data,
-				   icon_size,
-				   icon_size,
-				   launcher_alpha / 100.0,
-				   launcher_saturation / 100.0,
-				   launcher_brightness / 100.0);
+		           icon_size,
+		           icon_size,
+		           launcher_alpha / 100.0,
+		           launcher_saturation / 100.0,
+		           launcher_brightness / 100.0);
 		imlib_image_put_back_data(data);
 
 		imlib_context_set_image(icon_scaled);
@@ -388,6 +413,8 @@ void free_icon(Imlib_Image icon)
 
 void launcher_action(LauncherIcon *icon, XEvent *evt)
 {
+	launcher_reload_icon((Launcher *)icon->area.parent, icon);
+	launcher_reload_hidden_icons((Launcher *)icon->area.parent);
 	char *cmd = calloc(strlen(icon->cmd) + 10, 1);
 	sprintf(cmd, "(%s&)", icon->cmd);
 #if HAVE_SN
@@ -423,6 +450,8 @@ void launcher_action(LauncherIcon *icon, XEvent *evt)
 		// Allow children to exist after parent destruction
 		setsid();
 		// Run the command
+		if (icon->cwd)
+			chdir(icon->cwd);
 		execl("/bin/sh", "/bin/sh", "-c", icon->cmd, NULL);
 		fprintf(stderr, "Failed to execlp %s\n", icon->cmd);
 #if HAVE_SN
@@ -442,58 +471,130 @@ void launcher_action(LauncherIcon *icon, XEvent *evt)
 	free(cmd);
 }
 
+
+
 // Populates the list_icons list from the list_apps list
 void launcher_load_icons(Launcher *launcher)
 {
 	// Load apps (.desktop style launcher items)
 	GSList *app = launcher->list_apps;
+	int index = 0;
 	while (app != NULL) {
-		DesktopEntry entry;
-		read_desktop_file(app->data, &entry);
-		if (entry.exec) {
-			LauncherIcon *launcherIcon = calloc(1, sizeof(LauncherIcon));
-			launcherIcon->area.panel = launcher->area.panel;
-			snprintf(launcherIcon->area.name, sizeof(launcherIcon->area.name), "LauncherIcon %s", entry.name ? entry.name : "null");
-			launcherIcon->area._draw_foreground = draw_launcher_icon;
-			launcherIcon->area.size_mode = LAYOUT_FIXED;
-			launcherIcon->area._resize = NULL;
-			launcherIcon->area.resize_needed = 0;
-			schedule_redraw(&launcherIcon->area);
-			launcherIcon->area.has_mouse_over_effect = panel_config.mouse_effects;
-			launcherIcon->area.has_mouse_press_effect = launcherIcon->area.has_mouse_over_effect;
-			launcherIcon->area.bg = launcher_icon_bg;
-			launcherIcon->area.on_screen = TRUE;
-			launcherIcon->area._on_change_layout = launcher_icon_on_change_layout;
-			if (launcher_tooltip_enabled) {
-				launcherIcon->area._get_tooltip_text = launcher_icon_get_tooltip_text;
-			} else {
-				launcherIcon->area._get_tooltip_text = NULL;
-			}
-			launcherIcon->is_app_desktop = 1;
-			launcherIcon->cmd = strdup(entry.exec);
-			launcherIcon->icon_name = entry.icon ? strdup(entry.icon) : strdup(DEFAULT_ICON);
-			launcherIcon->icon_size = 1;
-			if (entry.name) {
-				if (entry.generic_name) {
-					launcherIcon->icon_tooltip = g_strdup_printf("%s (%s)", entry.name, entry.generic_name);
-				} else {
-					launcherIcon->icon_tooltip = g_strdup_printf("%s", entry.name);
-				}
-			} else {
-				if (entry.generic_name) {
-					launcherIcon->icon_tooltip = g_strdup_printf("%s", entry.generic_name);
-				} else if (entry.exec) {
-					launcherIcon->icon_tooltip = g_strdup_printf("%s", entry.exec);
-				}
-			}
-			launcher->list_icons = g_slist_append(launcher->list_icons, launcherIcon);
-			add_area(&launcherIcon->area, (Area *)launcher);
+		index++;
+		LauncherIcon *launcherIcon = (LauncherIcon *)calloc(1, sizeof(LauncherIcon));
+		launcherIcon->area.panel = launcher->area.panel;
+		launcherIcon->area._draw_foreground = draw_launcher_icon;
+		launcherIcon->area.size_mode = LAYOUT_FIXED;
+		launcherIcon->area._resize = NULL;
+		launcherIcon->area._compute_desired_size = launcher_icon_compute_desired_size;
+		sprintf(launcherIcon->area.name, "LauncherIcon %d", index);
+		launcherIcon->area.resize_needed = 0;
+		launcherIcon->area.has_mouse_over_effect = panel_config.mouse_effects;
+		launcherIcon->area.has_mouse_press_effect = launcherIcon->area.has_mouse_over_effect;
+		launcherIcon->area.bg = launcher_icon_bg;
+		launcherIcon->area.on_screen = TRUE;
+		launcherIcon->area.posx = -1;
+		launcherIcon->area._on_change_layout = launcher_icon_on_change_layout;
+		launcherIcon->area._dump_geometry = launcher_icon_dump_geometry;
+		if (launcher_tooltip_enabled) {
+			launcherIcon->area._get_tooltip_text = launcher_icon_get_tooltip_text;
+		} else {
+			launcherIcon->area._get_tooltip_text = NULL;
 		}
-		free_desktop_entry(&entry);
+		launcherIcon->config_path = strdup(app->data);
+		add_area(&launcherIcon->area, (Area *)launcher);
+		launcher->list_icons = g_slist_append(launcher->list_icons, launcherIcon);
+		launcherIcon->icon_size = launcher->icon_size;
+		launcher_reload_icon(launcher, launcherIcon);
+		instantiate_area_gradients(&launcherIcon->area);
 		app = g_slist_next(app);
 	}
 }
 
+void launcher_reload_icon(Launcher *launcher, LauncherIcon *launcherIcon)
+{
+	DesktopEntry entry;
+	if (read_desktop_file(launcherIcon->config_path, &entry) && entry.exec) {
+		schedule_redraw(&launcherIcon->area);
+		if (launcherIcon->cmd)
+			free(launcherIcon->cmd);
+		launcherIcon->cmd = strdup(entry.exec);
+		if (launcherIcon->cwd) 
+			free(launcherIcon->cwd);
+		if (entry.cwd)
+			launcherIcon->cwd = strdup(entry.cwd);
+		else
+			launcherIcon->cwd = NULL;
+		if (launcherIcon->icon_name)
+			free(launcherIcon->icon_name);
+		launcherIcon->icon_name = entry.icon ? strdup(entry.icon) : strdup(DEFAULT_ICON);
+		if (entry.name) {
+			if (entry.generic_name) {
+				launcherIcon->icon_tooltip = g_strdup_printf("%s (%s)", entry.name, entry.generic_name);
+			} else {
+				launcherIcon->icon_tooltip = g_strdup_printf("%s", entry.name);
+			}
+		} else {
+			if (entry.generic_name) {
+				launcherIcon->icon_tooltip = g_strdup_printf("%s", entry.generic_name);
+			} else if (entry.exec) {
+				launcherIcon->icon_tooltip = g_strdup_printf("%s", entry.exec);
+			}
+		}
+		launcher_reload_icon_image(launcher, launcherIcon);
+		show(&launcherIcon->area);
+	} else {
+		hide(&launcherIcon->area);
+	}
+	free_desktop_entry(&entry);
+}
+
+void launcher_reload_hidden_icons(Launcher *launcher)
+{
+	for (GSList *l = launcher->list_icons; l; l = l->next) {
+		LauncherIcon *launcherIcon = (LauncherIcon *)l->data;
+		if (!launcherIcon->area.on_screen)
+			launcher_reload_icon(launcher, launcherIcon);
+	}
+}
+
+void launcher_reload_icon_image(Launcher *launcher, LauncherIcon *launcherIcon)
+{
+	free_icon(launcherIcon->image);
+	free_icon(launcherIcon->image_hover);
+	free_icon(launcherIcon->image_pressed);
+	launcherIcon->image = NULL;
+
+	char *new_icon_path = get_icon_path(launcher->icon_theme_wrapper, launcherIcon->icon_name, launcherIcon->icon_size);
+	if (new_icon_path)
+		launcherIcon->image = load_image(new_icon_path, 1);
+	// On loading error, fallback to default
+	if (!launcherIcon->image) {
+		free(new_icon_path);
+		new_icon_path = get_icon_path(launcher->icon_theme_wrapper, DEFAULT_ICON, launcherIcon->icon_size);
+		if (new_icon_path)
+			launcherIcon->image = imlib_load_image_immediately(new_icon_path);
+	}
+	Imlib_Image original = launcherIcon->image;
+	launcherIcon->image = scale_icon(launcherIcon->image, launcherIcon->icon_size);
+	free_icon(original);
+	free(launcherIcon->icon_path);
+	launcherIcon->icon_path = new_icon_path;
+	// fprintf(stderr, "launcher.c %d: Using icon %s\n", __LINE__, launcherIcon->icon_path);
+
+	if (panel_config.mouse_effects) {
+		launcherIcon->image_hover = adjust_icon(launcherIcon->image,
+		                                        panel_config.mouse_over_alpha,
+		                                        panel_config.mouse_over_saturation,
+		                                        panel_config.mouse_over_brightness);
+		launcherIcon->image_pressed = adjust_icon(launcherIcon->image,
+		                                          panel_config.mouse_pressed_alpha,
+		                                          panel_config.mouse_pressed_saturation,
+		                                          panel_config.mouse_pressed_brightness);
+	}
+	schedule_redraw(&launcherIcon->area);
+}
+
 // Populates the icon_theme_wrapper list
 void launcher_load_themes(Launcher *launcher)
 {
@@ -518,5 +619,5 @@ void launcher_default_icon_theme_changed()
 		launcher_load_icons(launcher);
 		launcher->area.resize_needed = 1;
 	}
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }

src/launcher/launcher.h

@@ -18,20 +18,22 @@ typedef struct Launcher {
 	GSList *list_apps;  // List of char*, each is a path to a app.desktop file
 	GSList *list_icons; // List of LauncherIcon*
 	IconThemeWrapper *icon_theme_wrapper;
+	int icon_size;
 } Launcher;
 
 typedef struct LauncherIcon {
 	// always start with area
 	Area area;
+	char *config_path;
 	Imlib_Image image;
 	Imlib_Image image_hover;
 	Imlib_Image image_pressed;
 	char *cmd;
+	char *cwd;
 	char *icon_name;
 	char *icon_path;
 	char *icon_tooltip;
 	int icon_size;
-	int is_app_desktop;
 	int x, y;
 } LauncherIcon;
 
@@ -46,6 +48,7 @@ extern char *icon_theme_name_config;
 extern int launcher_icon_theme_override;
 extern int startup_notifications;
 extern Background *launcher_icon_bg;
+extern GList *launcher_icon_gradients;
 
 // default global data
 void default_launcher();

src/panel.c

@@ -55,11 +55,14 @@ gboolean panel_horizontal;
 gboolean panel_refresh;
 gboolean task_dragged;
 char *panel_window_name = NULL;
+gboolean debug_geometry;
+gboolean debug_gradients;
 
 gboolean panel_autohide;
 int panel_autohide_show_timeout;
 int panel_autohide_hide_timeout;
 int panel_autohide_height;
+gboolean panel_shrink;
 Strut panel_strut_policy;
 char *panel_items_order;
 
@@ -72,6 +75,7 @@ Panel *panels;
 int num_panels;
 
 GArray *backgrounds;
+GArray *gradients;
 
 Imlib_Image default_icon;
 char *default_font = NULL;
@@ -89,6 +93,7 @@ void default_panel()
 	panel_autohide_show_timeout = 0;
 	panel_autohide_hide_timeout = 0;
 	panel_autohide_height = 5; // for vertical panels this is of course the width
+	panel_shrink = FALSE;
 	panel_strut_policy = STRUT_FOLLOW_SIZE;
 	panel_dock = FALSE;         // default not in the dock
 	panel_layer = BOTTOM_LAYER; // default is bottom layer
@@ -97,6 +102,7 @@ void default_panel()
 	max_tick_urgent = 14;
 	mouse_left = TOGGLE_ICONIFY;
 	backgrounds = g_array_new(0, 0, sizeof(Background));
+	gradients = g_array_new(0, 0, sizeof(GradientClass));
 
 	memset(&panel_config, 0, sizeof(Panel));
 	snprintf(panel_config.area.name, sizeof(panel_config.area.name), "Panel");
@@ -112,6 +118,9 @@ void default_panel()
 	Background transparent_bg;
 	init_background(&transparent_bg);
 	g_array_append_val(backgrounds, transparent_bg);
+	GradientClass transparent_gradient;
+	init_gradient(&transparent_gradient, GRADIENT_VERTICAL);
+	g_array_append_val(gradients, transparent_gradient);
 }
 
 void cleanup_panel()
@@ -135,6 +144,7 @@ void cleanup_panel()
 			XDestroyWindow(server.display, p->main_win);
 		p->main_win = 0;
 		stop_timeout(p->autohide_timeout);
+		cleanup_freespace(p);
 	}
 
 	free(panel_items_order);
@@ -143,9 +153,17 @@ void cleanup_panel()
 	panel_window_name = NULL;
 	free(panels);
 	panels = NULL;
-	if (backgrounds)
-		g_array_free(backgrounds, 1);
+
+	free_area(&panel_config.area);
+
+	g_array_free(backgrounds, TRUE);
 	backgrounds = NULL;
+	if (gradients) {
+		for (guint i = 0; i < gradients->len; i++)
+			cleanup_gradient(&g_array_index(gradients, GradientClass, i));
+		g_array_free(gradients, TRUE);
+	}
+	gradients = NULL;
 	pango_font_description_free(panel_config.g_task.font_desc);
 	panel_config.g_task.font_desc = NULL;
 	pango_font_description_free(panel_config.taskbarname_font_desc);
@@ -170,6 +188,7 @@ void init_panel()
 	init_battery();
 #endif
 	init_taskbar();
+	init_separator();
 	init_execp();
 
 	// number of panels (one monitor or 'all' monitors)
@@ -184,10 +203,10 @@ void init_panel()
 	}
 
 	fprintf(stderr,
-			"tint2 : nb monitor %d, nb monitor used %d, nb desktop %d\n",
-			server.num_monitors,
-			num_panels,
-			server.num_desktops);
+	        "tint2 : nb monitor %d, nb monitor used %d, nb desktop %d\n",
+	        server.num_monitors,
+	        num_panels,
+	        server.num_desktops);
 	for (int i = 0; i < num_panels; i++) {
 		Panel *p = &panels[i];
 
@@ -203,7 +222,9 @@ void init_panel()
 		p->area.size_mode = LAYOUT_DYNAMIC;
 		p->area._resize = resize_panel;
 		p->area._clear = panel_clear_background;
+		p->separator_list = NULL;
 		init_panel_size_and_position(p);
+		instantiate_area_gradients(&p->area);
 		// add children according to panel_items
 		for (int k = 0; k < strlen(panel_items_order); k++) {
 			if (panel_items_order[k] == 'L')
@@ -222,6 +243,8 @@ void init_panel()
 				init_clock_panel(p);
 			if (panel_items_order[k] == 'F' && !strstr(panel_items_order, "T"))
 				init_freespace_panel(p);
+			if (panel_items_order[k] == ':')
+				init_separator_panel(p);
 			if (panel_items_order[k] == 'E')
 				init_execp_panel(p);
 		}
@@ -231,28 +254,28 @@ void init_panel()
 		XSetWindowAttributes att = {.colormap = server.colormap, .background_pixel = 0, .border_pixel = 0};
 		unsigned long mask = CWEventMask | CWColormap | CWBackPixel | CWBorderPixel;
 		p->main_win = XCreateWindow(server.display,
-									server.root_win,
-									p->posx,
-									p->posy,
-									p->area.width,
-									p->area.height,
-									0,
-									server.depth,
-									InputOutput,
-									server.visual,
-									mask,
-									&att);
+		                            server.root_win,
+		                            p->posx,
+		                            p->posy,
+		                            p->area.width,
+		                            p->area.height,
+		                            0,
+		                            server.depth,
+		                            InputOutput,
+		                            server.visual,
+		                            mask,
+		                            &att);
 
 		long event_mask = ExposureMask | ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | PropertyChangeMask;
 		if (p->mouse_effects || p->g_task.tooltip_enabled || p->clock.area._get_tooltip_text ||
-			(launcher_enabled && launcher_tooltip_enabled))
+		    (launcher_enabled && launcher_tooltip_enabled))
 			event_mask |= PointerMotionMask | LeaveWindowMask;
 		if (panel_autohide)
 			event_mask |= LeaveWindowMask | EnterWindowMask;
 		XChangeWindowAttributes(server.display,
-								p->main_win,
-								CWEventMask,
-								&(XSetWindowAttributes){.event_mask = event_mask});
+		                        p->main_win,
+		                        CWEventMask,
+		                        &(XSetWindowAttributes){.event_mask = event_mask});
 
 		if (!server.gc) {
 			XGCValues gcv;
@@ -268,17 +291,15 @@ void init_panel()
 
 		if (panel_autohide)
 			autohide_trigger_hide(p);
-
-		update_taskbar_visibility(p);
 	}
 
 	taskbar_refresh_tasklist();
 	reset_active_task();
+	update_all_taskbars_visibility();
 }
 
-void init_panel_size_and_position(Panel *panel)
+void panel_compute_size(Panel *panel)
 {
-	// detect panel size
 	if (panel_horizontal) {
 		if (panel->area.width == 0) {
 			panel->fractional_width = TRUE;
@@ -331,17 +352,22 @@ void init_panel_size_and_position(Panel *panel)
 	if (panel->area.height + panel->marginy > server.monitors[panel->monitor].height)
 		panel->area.height = server.monitors[panel->monitor].height - panel->marginy;
 
+	panel->max_size = panel_horizontal ? panel->area.width : panel->area.height;
+}
+
+void panel_compute_position(Panel *panel)
+{
 	// panel position determined here
 	if (panel_position & LEFT) {
 		panel->posx = server.monitors[panel->monitor].x + panel->marginx;
 	} else {
 		if (panel_position & RIGHT) {
 			panel->posx = server.monitors[panel->monitor].x + server.monitors[panel->monitor].width -
-						  panel->area.width - panel->marginx;
+			              panel->area.width - panel->marginx;
 		} else {
 			if (panel_horizontal)
 				panel->posx = server.monitors[panel->monitor].x +
-							  ((server.monitors[panel->monitor].width - panel->area.width) / 2);
+				              ((server.monitors[panel->monitor].width - panel->area.width) / 2);
 			else
 				panel->posx = server.monitors[panel->monitor].x + panel->marginx;
 		}
@@ -351,10 +377,10 @@ void init_panel_size_and_position(Panel *panel)
 	} else {
 		if (panel_position & BOTTOM) {
 			panel->posy = server.monitors[panel->monitor].y + server.monitors[panel->monitor].height -
-						  panel->area.height - panel->marginy;
+			              panel->area.height - panel->marginy;
 		} else {
 			panel->posy =
-				server.monitors[panel->monitor].y + ((server.monitors[panel->monitor].height - panel->area.height) / 2);
+			    server.monitors[panel->monitor].y + ((server.monitors[panel->monitor].height - panel->area.height) / 2);
 		}
 	}
 
@@ -371,6 +397,12 @@ void init_panel_size_and_position(Panel *panel)
 	// panel->area.height);
 }
 
+void init_panel_size_and_position(Panel *panel)
+{
+	panel_compute_size(panel);
+	panel_compute_position(panel);
+}
+
 gboolean resize_panel(void *obj)
 {
 	Panel *panel = (Panel *)obj;
@@ -382,92 +414,117 @@ gboolean resize_panel(void *obj)
 		int width = panel->taskbar[server.desktop].area.width;
 		int height = panel->taskbar[server.desktop].area.height;
 		for (int i = 0; i < panel->num_desktops; i++) {
+			panel->taskbar[i].area.resize_needed =
+			    panel->taskbar[i].area.width != width || panel->taskbar[i].area.height != height;
 			panel->taskbar[i].area.width = width;
 			panel->taskbar[i].area.height = height;
-			panel->taskbar[i].area.resize_needed = 1;
 		}
-	}
-	if (taskbar_mode == MULTI_DESKTOP && taskbar_enabled && taskbar_distribute_size) {
-		// Distribute the available space between taskbars
-
-		// Compute the total available size, and the total size requested by the taskbars
-		int total_size = 0;
-		int total_name_size = 0;
-		int total_items = 0;
+	} else if (taskbar_mode == MULTI_DESKTOP && taskbar_enabled && taskbar_distribute_size) {
 		for (int i = 0; i < panel->num_desktops; i++) {
-			if (panel_horizontal) {
-				total_size += panel->taskbar[i].area.width;
-			} else {
-				total_size += panel->taskbar[i].area.height;
-			}
-
 			Taskbar *taskbar = &panel->taskbar[i];
-			GList *l;
-			for (l = taskbar->area.children; l; l = l->next) {
+			taskbar->area.old_width = taskbar->area.width;
+			taskbar->area.old_height = taskbar->area.height;
+		}
+
+		// The total available size
+		int total_size = 0;
+		for (int i = 0; i < panel->num_desktops; i++) {
+			Taskbar *taskbar = &panel->taskbar[i];
+			if (!taskbar->area.on_screen)
+				continue;
+			total_size += panel_horizontal ? taskbar->area.width : taskbar->area.height;
+		}
+
+		// Reserve size for padding, taskbarname and spacings
+		for (int i = 0; i < panel->num_desktops; i++) {
+			Taskbar *taskbar = &panel->taskbar[i];
+			if (!taskbar->area.on_screen)
+				continue;
+			if (panel_horizontal)
+				taskbar->area.width = 2 * taskbar->area.paddingxlr;
+			else
+				taskbar->area.height = 2 * taskbar->area.paddingxlr;
+			if (taskbarname_enabled && taskbar->area.children) {
+				Area *name = (Area *)taskbar->area.children->data;
+				if (name->on_screen) {
+					if (panel_horizontal)
+						taskbar->area.width += name->width;
+					else
+						taskbar->area.height += name->height;
+				}
+			}
+			gboolean first_child = TRUE;
+			for (GList *l = taskbar->area.children; l; l = l->next) {
 				Area *child = (Area *)l->data;
 				if (!child->on_screen)
 					continue;
-				total_items++;
-			}
-			if (taskbarname_enabled) {
-				if (taskbar->area.children) {
-					total_items--;
-					Area *name = (Area *)taskbar->area.children->data;
-					if (panel_horizontal) {
-						total_name_size += name->width;
-					} else {
-						total_name_size += name->height;
-					}
+				if (!first_child) {
+					if (panel_horizontal)
+						taskbar->area.width += taskbar->area.paddingx;
+					else
+						taskbar->area.height += taskbar->area.paddingy;
 				}
+				first_child = FALSE;
+			}
+			total_size -= panel_horizontal ? taskbar->area.width : taskbar->area.height;
+		}
+
+		// Compute the total number of tasks
+		int num_tasks = 0;
+		for (int i = 0; i < panel->num_desktops; i++) {
+			Taskbar *taskbar = &panel->taskbar[i];
+			if (!taskbar->area.on_screen)
+				continue;
+			for (GList *l = taskbar->area.children; l; l = l->next) {
+				Area *child = (Area *)l->data;
+				if (!child->on_screen)
+					continue;
+				if (taskbarname_enabled && l == taskbar->area.children)
+					continue;
+				num_tasks++;
 			}
 		}
-		// Distribute the space proportionally to the requested size (that is, to the
-		// number of tasks in each taskbar)
-		if (total_items) {
-			int actual_name_size;
-			if (total_name_size <= total_size) {
-				actual_name_size = total_name_size / panel->num_desktops;
-			} else {
-				actual_name_size = total_size / panel->num_desktops;
-			}
-			total_size -= total_name_size;
 
+		// Distribute the remaining size between tasks
+		if (num_tasks > 0) {
+			int task_size = total_size / num_tasks;
 			for (int i = 0; i < panel->num_desktops; i++) {
 				Taskbar *taskbar = &panel->taskbar[i];
-
-				int requested_size = (2 * taskbar->area.bg->border.width) + (2 * taskbar->area.paddingxlr);
-				int items = 0;
-				GList *l = taskbar->area.children;
-				if (taskbarname_enabled)
-					l = l->next;
-				for (; l; l = l->next) {
+				if (!taskbar->area.on_screen)
+					continue;
+				for (GList *l = taskbar->area.children; l; l = l->next) {
 					Area *child = (Area *)l->data;
 					if (!child->on_screen)
 						continue;
-					items++;
-					if (panel_horizontal) {
-						requested_size += child->width + taskbar->area.paddingy;
-					} else {
-						requested_size += child->height + taskbar->area.paddingx;
-					}
+					if (taskbarname_enabled && l == taskbar->area.children)
+						continue;
+					if (panel_horizontal)
+						taskbar->area.width += task_size;
+					else
+						taskbar->area.height += task_size;
 				}
-				if (panel_horizontal) {
-					requested_size -= taskbar->area.paddingy;
-				} else {
-					requested_size -= taskbar->area.paddingx;
-				}
-
-				if (panel_horizontal) {
-					taskbar->area.width = actual_name_size + items / (float)total_items * total_size;
-				} else {
-					taskbar->area.height = actual_name_size + items / (float)total_items * total_size;
-				}
-				taskbar->area.resize_needed = 1;
+			}
+		} else {
+			// No tasks => expand the first visible taskbar
+			for (int i = 0; i < panel->num_desktops; i++) {
+				Taskbar *taskbar = &panel->taskbar[i];
+				if (!taskbar->area.on_screen)
+					continue;
+				if (panel_horizontal)
+					taskbar->area.width += total_size;
+				else
+					taskbar->area.height += total_size;
+				break;
 			}
 		}
+		for (int i = 0; i < panel->num_desktops; i++) {
+			Taskbar *taskbar = &panel->taskbar[i];
+			taskbar->area.resize_needed =
+			    taskbar->area.old_width != taskbar->area.width || taskbar->area.old_height != taskbar->area.height;
+		}
 	}
-	if (panel->freespace.area.on_screen)
-		resize_freespace(&panel->freespace);
+	for (GList *l = panel->freespace_list; l; l = g_list_next(l))
+		resize_freespace(l->data);
 	return FALSE;
 }
 
@@ -488,7 +545,7 @@ void update_strut(Panel *p)
 	long struts[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
 	if (panel_horizontal) {
 		int height = p->area.height + p->marginy;
-		if (panel_strut_policy == STRUT_MINIMUM || (panel_strut_policy == STRUT_FOLLOW_SIZE && p->is_hidden))
+		if (panel_strut_policy == STRUT_MINIMUM || (panel_strut_policy == STRUT_FOLLOW_SIZE && panel_autohide))
 			height = p->hidden_height;
 		if (panel_position & TOP) {
 			struts[2] = height + monitor.y;
@@ -503,7 +560,7 @@ void update_strut(Panel *p)
 		}
 	} else {
 		int width = p->area.width + p->marginx;
-		if (panel_strut_policy == STRUT_MINIMUM || (panel_strut_policy == STRUT_FOLLOW_SIZE && p->is_hidden))
+		if (panel_strut_policy == STRUT_MINIMUM || (panel_strut_policy == STRUT_FOLLOW_SIZE && panel_autohide))
 			width = p->hidden_width;
 		if (panel_position & LEFT) {
 			struts[0] = width + monitor.x;
@@ -519,21 +576,21 @@ void update_strut(Panel *p)
 	}
 	// Old specification : fluxbox need _NET_WM_STRUT.
 	XChangeProperty(server.display,
-					p->main_win,
-					server.atom._NET_WM_STRUT,
-					XA_CARDINAL,
-					32,
-					PropModeReplace,
-					(unsigned char *)&struts,
-					4);
+	                p->main_win,
+	                server.atom._NET_WM_STRUT,
+	                XA_CARDINAL,
+	                32,
+	                PropModeReplace,
+	                (unsigned char *)&struts,
+	                4);
 	XChangeProperty(server.display,
-					p->main_win,
-					server.atom._NET_WM_STRUT_PARTIAL,
-					XA_CARDINAL,
-					32,
-					PropModeReplace,
-					(unsigned char *)&struts,
-					12);
+	                p->main_win,
+	                server.atom._NET_WM_STRUT_PARTIAL,
+	                XA_CARDINAL,
+	                32,
+	                PropModeReplace,
+	                (unsigned char *)&struts,
+	                12);
 }
 
 void set_panel_items_order(Panel *p)
@@ -544,6 +601,8 @@ void set_panel_items_order(Panel *p)
 	}
 
 	int i_execp = 0;
+	int i_separator = 0;
+	int i_freespace = 0;
 	for (int k = 0; k < strlen(panel_items_order); k++) {
 		if (panel_items_order[k] == 'L') {
 			p->area.children = g_list_append(p->area.children, &p->launcher);
@@ -563,8 +622,18 @@ void set_panel_items_order(Panel *p)
 		}
 		if (panel_items_order[k] == 'C')
 			p->area.children = g_list_append(p->area.children, &p->clock);
-		if (panel_items_order[k] == 'F')
-			p->area.children = g_list_append(p->area.children, &p->freespace);
+		if (panel_items_order[k] == 'F') {
+			GList *item = g_list_nth(p->freespace_list, i_freespace);
+			i_freespace++;
+			if (item)
+				p->area.children = g_list_append(p->area.children, (Area *)item->data);
+		}
+		if (panel_items_order[k] == ':') {
+			GList *item = g_list_nth(p->separator_list, i_separator);
+			i_separator++;
+			if (item)
+				p->area.children = g_list_append(p->area.children, (Area *)item->data);
+		}
 		if (panel_items_order[k] == 'E') {
 			GList *item = g_list_nth(p->execp_list, i_execp);
 			i_execp++;
@@ -579,28 +648,31 @@ void place_panel_all_desktops(Panel *p)
 {
 	long val = ALL_DESKTOPS;
 	XChangeProperty(server.display,
-					p->main_win,
-					server.atom._NET_WM_DESKTOP,
-					XA_CARDINAL,
-					32,
-					PropModeReplace,
-					(unsigned char *)&val,
-					1);
+	                p->main_win,
+	                server.atom._NET_WM_DESKTOP,
+	                XA_CARDINAL,
+	                32,
+	                PropModeReplace,
+	                (unsigned char *)&val,
+	                1);
+}
 
+void set_panel_layer(Panel *p, Layer layer)
+{
 	Atom state[4];
 	state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 	state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 	state[2] = server.atom._NET_WM_STATE_STICKY;
-	state[3] = panel_layer == BOTTOM_LAYER ? server.atom._NET_WM_STATE_BELOW : server.atom._NET_WM_STATE_ABOVE;
-	int num_atoms = panel_layer == NORMAL_LAYER ? 3 : 4;
+	state[3] = layer == BOTTOM_LAYER ? server.atom._NET_WM_STATE_BELOW : server.atom._NET_WM_STATE_ABOVE;
+	int num_atoms = layer == NORMAL_LAYER ? 3 : 4;
 	XChangeProperty(server.display,
-					p->main_win,
-					server.atom._NET_WM_STATE,
-					XA_ATOM,
-					32,
-					PropModeReplace,
-					(unsigned char *)state,
-					num_atoms);
+	                p->main_win,
+	                server.atom._NET_WM_STATE,
+	                XA_ATOM,
+	                32,
+	                PropModeReplace,
+	                (unsigned char *)state,
+	                num_atoms);
 }
 
 void replace_panel_all_desktops(Panel *p)
@@ -618,6 +690,58 @@ void replace_panel_all_desktops(Panel *p)
 	XSync(server.display, False);
 }
 
+void set_panel_window_geometry(Panel *panel)
+{
+	update_strut(panel);
+
+	// Fixed position and non-resizable window
+	// Allow panel move and resize when tint2 reload config file
+	int minwidth = panel_autohide ? panel->hidden_width : panel->area.width;
+	int minheight = panel_autohide ? panel->hidden_height : panel->area.height;
+	XSizeHints size_hints;
+	size_hints.flags = PPosition | PMinSize | PMaxSize;
+	size_hints.min_width = minwidth;
+	size_hints.max_width = panel->area.width;
+	size_hints.min_height = minheight;
+	size_hints.max_height = panel->area.height;
+	XSetWMNormalHints(server.display, panel->main_win, &size_hints);
+
+	if (!panel->is_hidden) {
+		if (panel_horizontal) {
+			XMoveResizeWindow(server.display,
+			                  panel->main_win,
+			                  panel->posx,
+			                  panel->posy,
+			                  panel->area.width,
+			                  panel->area.height);
+		} else {
+			XMoveResizeWindow(server.display,
+			                  panel->main_win,
+			                  panel->posx,
+			                  panel->posy,
+			                  panel->area.width,
+			                  panel->area.height);
+		}
+	} else {
+		int diff = (panel_horizontal ? panel->area.height : panel->area.width) - panel_autohide_height;
+		if (panel_horizontal) {
+			XMoveResizeWindow(server.display,
+			                  panel->main_win,
+			                  panel->posx,
+			                  panel->posy + diff,
+			                  panel->hidden_width,
+			                  panel->hidden_height);
+		} else {
+			XMoveResizeWindow(server.display,
+			                  panel->main_win,
+			                  panel->posx + diff,
+			                  panel->posy,
+			                  panel->hidden_width,
+			                  panel->hidden_height);
+		}
+	}
+}
+
 void set_panel_properties(Panel *p)
 {
 	XStoreName(server.display, p->main_win, panel_window_name);
@@ -627,36 +751,37 @@ void set_panel_properties(Panel *p)
 	gchar *name = g_locale_to_utf8(panel_window_name, -1, NULL, &len, NULL);
 	if (name != NULL) {
 		XChangeProperty(server.display,
-						p->main_win,
-						server.atom._NET_WM_NAME,
-						server.atom.UTF8_STRING,
-						8,
-						PropModeReplace,
-						(unsigned char *)name,
-						(int)len);
+		                p->main_win,
+		                server.atom._NET_WM_NAME,
+		                server.atom.UTF8_STRING,
+		                8,
+		                PropModeReplace,
+		                (unsigned char *)name,
+		                (int)len);
 		XChangeProperty(server.display,
-						p->main_win,
-						server.atom._NET_WM_ICON_NAME,
-						server.atom.UTF8_STRING,
-						8,
-						PropModeReplace,
-						(unsigned char *)name,
-						(int)len);
+		                p->main_win,
+		                server.atom._NET_WM_ICON_NAME,
+		                server.atom.UTF8_STRING,
+		                8,
+		                PropModeReplace,
+		                (unsigned char *)name,
+		                (int)len);
 		g_free(name);
 	}
 
 	// Dock
 	long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 	XChangeProperty(server.display,
-					p->main_win,
-					server.atom._NET_WM_WINDOW_TYPE,
-					XA_ATOM,
-					32,
-					PropModeReplace,
-					(unsigned char *)&val,
-					1);
+	                p->main_win,
+	                server.atom._NET_WM_WINDOW_TYPE,
+	                XA_ATOM,
+	                32,
+	                PropModeReplace,
+	                (unsigned char *)&val,
+	                1);
 
 	place_panel_all_desktops(p);
+	set_panel_layer(p, panel_layer);
 
 	XWMHints wmhints;
 	memset(&wmhints, 0, sizeof(wmhints));
@@ -675,38 +800,24 @@ void set_panel_properties(Panel *p)
 	// Undecorated
 	long prop[5] = {2, 0, 0, 0, 0};
 	XChangeProperty(server.display,
-					p->main_win,
-					server.atom._MOTIF_WM_HINTS,
-					server.atom._MOTIF_WM_HINTS,
-					32,
-					PropModeReplace,
-					(unsigned char *)prop,
-					5);
+	                p->main_win,
+	                server.atom._MOTIF_WM_HINTS,
+	                server.atom._MOTIF_WM_HINTS,
+	                32,
+	                PropModeReplace,
+	                (unsigned char *)prop,
+	                5);
 
 	// XdndAware - Register for Xdnd events
 	Atom version = 4;
 	XChangeProperty(server.display,
-					p->main_win,
-					server.atom.XdndAware,
-					XA_ATOM,
-					32,
-					PropModeReplace,
-					(unsigned char *)&version,
-					1);
-
-	update_strut(p);
-
-	// Fixed position and non-resizable window
-	// Allow panel move and resize when tint2 reload config file
-	int minwidth = panel_autohide ? p->hidden_width : p->area.width;
-	int minheight = panel_autohide ? p->hidden_height : p->area.height;
-	XSizeHints size_hints;
-	size_hints.flags = PPosition | PMinSize | PMaxSize;
-	size_hints.min_width = minwidth;
-	size_hints.max_width = p->area.width;
-	size_hints.min_height = minheight;
-	size_hints.max_height = p->area.height;
-	XSetWMNormalHints(server.display, p->main_win, &size_hints);
+	                p->main_win,
+	                server.atom.XdndAware,
+	                XA_ATOM,
+	                32,
+	                PropModeReplace,
+	                (unsigned char *)&version,
+	                1);
 
 	// Set WM_CLASS
 	XClassHint *classhint = XAllocClassHint();
@@ -714,6 +825,8 @@ void set_panel_properties(Panel *p)
 	classhint->res_class = (char *)"Tint2";
 	XSetClassHint(server.display, p->main_win, classhint);
 	XFree(classhint);
+
+	set_panel_window_geometry(p);
 }
 
 void panel_clear_background(void *obj)
@@ -851,68 +964,22 @@ void autohide_show(void *p)
 	Panel *panel = (Panel *)p;
 	stop_autohide_timeout(panel);
 	panel->is_hidden = 0;
-
 	XMapSubwindows(server.display, panel->main_win); // systray windows
-	if (panel_horizontal) {
-		if (panel_position & TOP)
-			XResizeWindow(server.display, panel->main_win, panel->area.width, panel->area.height);
-		else
-			XMoveResizeWindow(server.display,
-							  panel->main_win,
-							  panel->posx,
-							  panel->posy,
-							  panel->area.width,
-							  panel->area.height);
-	} else {
-		if (panel_position & LEFT)
-			XResizeWindow(server.display, panel->main_win, panel->area.width, panel->area.height);
-		else
-			XMoveResizeWindow(server.display,
-							  panel->main_win,
-							  panel->posx,
-							  panel->posy,
-							  panel->area.width,
-							  panel->area.height);
-	}
-	if (panel_strut_policy == STRUT_FOLLOW_SIZE)
-		update_strut(panel);
+	set_panel_window_geometry(panel);
+	set_panel_layer(panel, TOP_LAYER);
 	refresh_systray = TRUE; // ugly hack, because we actually only need to call XSetBackgroundPixmap
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void autohide_hide(void *p)
 {
 	Panel *panel = (Panel *)p;
 	stop_autohide_timeout(panel);
+	set_panel_layer(panel, panel_layer);
 	panel->is_hidden = TRUE;
-	if (panel_strut_policy == STRUT_FOLLOW_SIZE)
-		update_strut(panel);
-
 	XUnmapSubwindows(server.display, panel->main_win); // systray windows
-	int diff = (panel_horizontal ? panel->area.height : panel->area.width) - panel_autohide_height;
-	// printf("autohide_hide : diff %d, w %d, h %d\n", diff, panel->hidden_width, panel->hidden_height);
-	if (panel_horizontal) {
-		if (panel_position & TOP)
-			XResizeWindow(server.display, panel->main_win, panel->hidden_width, panel->hidden_height);
-		else
-			XMoveResizeWindow(server.display,
-							  panel->main_win,
-							  panel->posx,
-							  panel->posy + diff,
-							  panel->hidden_width,
-							  panel->hidden_height);
-	} else {
-		if (panel_position & LEFT)
-			XResizeWindow(server.display, panel->main_win, panel->hidden_width, panel->hidden_height);
-		else
-			XMoveResizeWindow(server.display,
-							  panel->main_win,
-							  panel->posx + diff,
-							  panel->posy,
-							  panel->hidden_width,
-							  panel->hidden_height);
-	}
-	panel_refresh = TRUE;
+	set_panel_window_geometry(panel);
+	schedule_panel_redraw();
 }
 
 void autohide_trigger_show(Panel *p)
@@ -937,9 +1004,40 @@ void autohide_trigger_hide(Panel *p)
 	change_timeout(&p->autohide_timeout, panel_autohide_hide_timeout, 0, autohide_hide, p);
 }
 
+void shrink_panel(Panel *panel)
+{
+	if (!panel_shrink)
+		return;
+	int size = MIN(compute_desired_size(&panel->area), panel->max_size);
+	gboolean update = FALSE;
+	if (panel_horizontal) {
+		if (panel->area.width != size) {
+			panel->area.width = size;
+			update = TRUE;
+		}
+	} else {
+		if (panel->area.height != size) {
+			panel->area.height = size;
+			update = TRUE;
+		}
+	}
+	if (update) {
+		panel_compute_position(panel);
+		set_panel_window_geometry(panel);
+		set_panel_background(panel);
+		panel->area.resize_needed = TRUE;
+		systray.area.resize_needed = TRUE;
+		schedule_redraw(&systray.area);
+		refresh_systray = TRUE;
+	}
+}
+
 void render_panel(Panel *panel)
 {
 	relayout(&panel->area);
+	if (debug_geometry)
+		area_dump_geometry(&panel->area, 0);
+	update_dependent_gradients(&panel->area);
 	draw_tree(&panel->area);
 }
 
@@ -966,3 +1064,11 @@ void default_font_changed()
 	taskbarname_default_font_changed();
 	tooltip_default_font_changed();
 }
+
+void _schedule_panel_redraw(const char *file, const char *function, const int line)
+{
+	panel_refresh = TRUE;
+	if (debug_fps) {
+		fprintf(stderr, YELLOW "%s %s %d: triggering panel redraw" RESET "\n", file, function, line);
+	}
+}

src/panel.h

@@ -22,6 +22,7 @@
 #include "launcher.h"
 #include "freespace.h"
 #include "execplugin.h"
+#include "separator.h"
 
 #ifdef ENABLE_BATTERY
 #include "battery.h"
@@ -78,14 +79,19 @@ extern gboolean panel_autohide;
 extern int panel_autohide_show_timeout;
 extern int panel_autohide_hide_timeout;
 extern int panel_autohide_height; // for vertical panels this is of course the width
+extern gboolean panel_shrink;
 extern Strut panel_strut_policy;
 extern char *panel_items_order;
 extern int max_tick_urgent;
 extern GArray *backgrounds;
+extern GArray *gradients;
 extern Imlib_Image default_icon;
 #define DEFAULT_FONT "sans 10"
 extern char *default_font;
 extern XSettingsClient *xsettings_client;
+extern gboolean debug_geometry;
+extern gboolean debug_fps;
+extern gboolean debug_frames;
 
 typedef struct Panel {
 	Area area;
@@ -97,6 +103,7 @@ typedef struct Panel {
 	int posx, posy;
 	int marginx, marginy;
 	gboolean fractional_width, fractional_height;
+	int max_size;
 	int monitor;
 	int font_shadow;
 	gboolean mouse_effects;
@@ -125,7 +132,8 @@ typedef struct Panel {
 #endif
 
 	Launcher launcher;
-	FreeSpace freespace;
+	GList *freespace_list;
+	GList *separator_list;
 	GList *execp_list;
 
 	// Autohide
@@ -152,11 +160,16 @@ void init_panel();
 void init_panel_size_and_position(Panel *panel);
 gboolean resize_panel(void *obj);
 void render_panel(Panel *panel);
+void shrink_panel(Panel *panel);
+void _schedule_panel_redraw(const char *file, const char *function, const int line);
+#define schedule_panel_redraw() _schedule_panel_redraw(__FILE__, __FUNCTION__, __LINE__)
 
 void set_panel_items_order(Panel *p);
 void place_panel_all_desktops(Panel *p);
 void replace_panel_all_desktops(Panel *p);
 void set_panel_properties(Panel *p);
+void set_panel_window_geometry(Panel *panel);
+void set_panel_layer(Panel *p, Layer layer);
 
 // draw background panel
 void set_panel_background(Panel *p);

src/separator/separator.c

@@ -0,0 +1,231 @@
+// Tint2 : Separator plugin
+// Author: Oskari Rauta
+
+#include <string.h>
+#include <stdio.h>
+#include <cairo.h>
+#include <cairo-xlib.h>
+#include <pango/pangocairo.h>
+#include <stdlib.h>
+#include <math.h>
+
+#include "window.h"
+#include "server.h"
+#include "panel.h"
+#include "common.h"
+#include "separator.h"
+
+int separator_compute_desired_size(void *obj);
+
+Separator *create_separator()
+{
+	Separator *separator = (Separator *)calloc(1, sizeof(Separator));
+	separator->color.rgb[0] = 0.5;
+	separator->color.rgb[1] = 0.5;
+	separator->color.rgb[2] = 0.5;
+	separator->color.alpha = 0.9;
+	separator->style = SEPARATOR_DOTS;
+	separator->thickness = 3;
+	separator->area.paddingxlr = 1;
+	return separator;
+}
+
+void destroy_separator(void *obj)
+{
+	Separator *separator = (Separator *)obj;
+	remove_area(&separator->area);
+	free_area(&separator->area);
+	free_and_null(separator);
+}
+
+gpointer copy_separator(gconstpointer arg, gpointer data)
+{
+	Separator *old = (Separator *)arg;
+	Separator *copy = (Separator *)calloc(1, sizeof(Separator));
+	memcpy(copy, old, sizeof(Separator));
+	return copy;
+}
+
+void init_separator()
+{
+	GList *to_remove = panel_config.separator_list;
+	for (int k = 0; k < strlen(panel_items_order) && to_remove; k++) {
+		if (panel_items_order[k] == ':') {
+			to_remove = to_remove->next;
+		}
+	}
+
+	if (to_remove) {
+		if (to_remove == panel_config.separator_list) {
+			g_list_free_full(to_remove, destroy_separator);
+			panel_config.separator_list = NULL;
+		} else {
+			// Cut panel_config.separator_list
+			if (to_remove->prev)
+				to_remove->prev->next = NULL;
+			to_remove->prev = NULL;
+			// Remove all elements of to_remove and to_remove itself
+			g_list_free_full(to_remove, destroy_separator);
+		}
+	}
+}
+
+void init_separator_panel(void *p)
+{
+	Panel *panel = (Panel *)p;
+
+	// Make sure this is only done once if there are multiple items
+	if (panel->separator_list)
+		return;
+
+	// panel->separator_list is now a copy of the pointer panel_config.separator_list
+	// We make it a deep copy
+	panel->separator_list = g_list_copy_deep(panel_config.separator_list, copy_separator, NULL);
+
+	for (GList *l = panel->separator_list; l; l = l->next) {
+		Separator *separator = (Separator *)l->data;
+		if (!separator->area.bg)
+			separator->area.bg = &g_array_index(backgrounds, Background, 0);
+		separator->area.parent = p;
+		separator->area.panel = p;
+		snprintf(separator->area.name, sizeof(separator->area.name), "separator");
+		separator->area.size_mode = LAYOUT_FIXED;
+		separator->area.resize_needed = 1;
+		separator->area.on_screen = TRUE;
+		separator->area._resize = resize_separator;
+		separator->area._compute_desired_size = separator_compute_desired_size;
+		separator->area._draw_foreground = draw_separator;
+		instantiate_area_gradients(&separator->area);
+	}
+}
+
+void cleanup_separator()
+{
+	// Cleanup frontends
+	for (int i = 0; i < num_panels; i++) {
+		g_list_free_full(panels[i].separator_list, destroy_separator);
+		panels[i].separator_list = NULL;
+	}
+
+	// Cleanup backends
+	g_list_free_full(panel_config.separator_list, destroy_separator);
+	panel_config.separator_list = NULL;
+}
+
+int separator_compute_desired_size(void *obj)
+{
+	Separator *separator = (Separator *)obj;
+	if (!separator->area.on_screen)
+		return 0;
+
+	if (panel_horizontal)
+		return separator->thickness + 2 * separator->area.paddingxlr + left_right_border_width(&separator->area);
+	else
+		return separator->thickness + 2 * separator->area.paddingxlr + top_bottom_border_width(&separator->area);
+}
+
+gboolean resize_separator(void *obj)
+{
+	Separator *separator = (Separator *)obj;
+	if (!separator->area.on_screen)
+		return FALSE;
+
+	if (panel_horizontal) {
+		separator->area.width =
+		    separator->thickness + 2 * separator->area.paddingxlr + left_right_border_width(&separator->area);
+		separator->length =
+		    separator->area.height - 2 * separator->area.paddingy - top_bottom_border_width(&separator->area);
+	} else {
+		separator->area.height =
+		    separator->thickness + 2 * separator->area.paddingxlr + top_bottom_border_width(&separator->area);
+		separator->length =
+		    separator->area.width - 2 * separator->area.paddingy - left_right_border_width(&separator->area);
+	}
+
+	schedule_redraw(&separator->area);
+	schedule_panel_redraw();
+	return TRUE;
+}
+
+void draw_separator_line(void *obj, cairo_t *c);
+void draw_separator_dots(void *obj, cairo_t *c);
+
+void draw_separator(void *obj, cairo_t *c)
+{
+	Separator *separator = (Separator *)obj;
+
+	if (separator->style == SEPARATOR_EMPTY)
+		return;
+	else if (separator->style == SEPARATOR_LINE)
+		draw_separator_line(separator, c);
+	else if (separator->style == SEPARATOR_DOTS)
+		draw_separator_dots(separator, c);
+}
+
+void draw_separator_line(void *obj, cairo_t *c)
+{
+	Separator *separator = (Separator *)obj;
+
+	if (separator->thickness <= 0)
+		return;
+
+	cairo_set_source_rgba(c,
+	                      separator->color.rgb[0],
+	                      separator->color.rgb[1],
+	                      separator->color.rgb[2],
+	                      separator->color.alpha);
+	cairo_set_line_width(c, separator->thickness);
+	cairo_set_line_cap(c, CAIRO_LINE_CAP_ROUND);
+	if (panel_horizontal) {
+		cairo_move_to(c, separator->area.width / 2.0, separator->area.height / 2.0 - separator->length / 2.0);
+		cairo_line_to(c, separator->area.width / 2.0, separator->area.height / 2.0 + separator->length / 2.0);
+	} else {
+		cairo_move_to(c, separator->area.width / 2.0 - separator->length / 2.0, separator->area.height / 2.0);
+		cairo_line_to(c, separator->area.width / 2.0 + separator->length / 2.0, separator->area.height / 2.0);
+	}
+	cairo_stroke(c);
+}
+
+void draw_separator_dots(void *obj, cairo_t *c)
+{
+	const double PI = 3.14159265359;
+	Separator *separator = (Separator *)obj;
+	if (separator->thickness <= 0)
+		return;
+
+	cairo_set_source_rgba(c,
+	                      separator->color.rgb[0],
+	                      separator->color.rgb[1],
+	                      separator->color.rgb[2],
+	                      separator->color.alpha);
+	cairo_set_line_width(c, 0);
+
+	int num_circles = separator->length / (1.618 * separator->thickness - 1);
+	double spacing = (separator->length - num_circles * separator->thickness) / MAX(1.0, num_circles - 1.0);
+	if (spacing > separator->thickness)
+		num_circles++;
+	spacing = (separator->length - num_circles * separator->thickness) / MAX(1.0, num_circles - 1.0);
+	double offset = (panel_horizontal ? separator->area.height : separator->area.width) / 2.0 - separator->length / 2.0;
+	if (num_circles == 1)
+		offset += spacing / 2.0;
+	for (int i = 0; i < num_circles; i++) {
+		if (panel_horizontal) {
+			cairo_arc(c,
+					  separator->area.width / 2.0,
+					  offset + separator->thickness / 2.0,
+					  separator->thickness / 2.0,
+					  0,
+					  2 * PI);
+		} else {
+			cairo_arc(c,
+					  offset + separator->thickness / 2.0,
+					  separator->area.height / 2.0,
+					  separator->thickness / 2.0,
+					  0,
+					  2 * PI);
+		}
+		cairo_stroke_preserve(c);
+		cairo_fill(c);
+		offset += separator->thickness + spacing;
+	}
+}

src/separator/separator.h

@@ -0,0 +1,32 @@
+// Tint2 : Separator
+// Author: Oskari Rauta <oskari.rauta@gmail.com>
+
+#ifndef SEPARATOR_H
+#define SEPARATOR_H
+
+#include "common.h"
+#include "area.h"
+
+typedef enum SeparatorStyle {
+	SEPARATOR_EMPTY = 0,
+	SEPARATOR_LINE,
+	SEPARATOR_DOTS
+} SeparatorStyle;
+
+typedef struct Separator {
+	Area area;
+	SeparatorStyle style;
+	Color color;
+	int thickness;
+	int length;
+} Separator;
+
+Separator *create_separator();
+void destroy_separator(void *obj);
+void init_separator();
+void init_separator_panel(void *p);
+void cleanup_separator();
+gboolean resize_separator(void *obj);
+void draw_separator(void *obj, cairo_t *c);
+
+#endif

src/server.c

@@ -140,6 +140,11 @@ void cleanup_server()
 		XFreeGC(server.display, server.gc);
 	server.gc = NULL;
 	server.disable_transparency = FALSE;
+#ifdef HAVE_SN
+	if (server.pids)
+		g_tree_destroy(server.pids);
+	server.pids = NULL;
+#endif
 }
 
 void send_event32(Window win, Atom at, long data1, long data2, long data3)
@@ -251,7 +256,7 @@ void get_root_pixmap()
 		gcv.ts_x_origin = 0;
 		gcv.ts_y_origin = 0;
 		gcv.fill_style = FillTiled;
-		uint mask = GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle | GCTile;
+		unsigned mask = GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle | GCTile;
 
 		gcv.tile = server.root_pmap;
 		XChangeGC(server.display, server.gc, mask, &gcv);
@@ -297,6 +302,11 @@ int monitor_includes_monitor(const void *monitor1, const void *monitor2)
 	}
 }
 
+void sort_monitors()
+{
+	qsort(server.monitors, server.num_monitors, sizeof(Monitor), compare_monitor_pos);
+}
+
 void get_monitors()
 {
 	if (XineramaIsActive(server.display)) {
@@ -307,38 +317,34 @@ void get_monitors()
 
 		if (res && res->ncrtc >= num_monitors) {
 			// use xrandr to identify monitors (does not work with proprietery nvidia drivers)
-
-			// Workaround for issue https://gitlab.com/o9000/tint2/issues/353
-			// on some recent configs, XRRGetScreenResourcesCurrent returns a fantom monitor at last position
-			{
-				int i = res->ncrtc - 1;
-				XRRCrtcInfo *crtc_info = XRRGetCrtcInfo(server.display, res, res->crtcs[i]);
-				if (!(crtc_info->x || crtc_info->y || crtc_info->width || crtc_info->height)) {
-					res->ncrtc -= 1;
-				}
-				XRRFreeCrtcInfo(crtc_info);
-			}
-
 			printf("xRandr: Found crtc's: %d\n", res->ncrtc);
 			server.monitors = calloc(res->ncrtc, sizeof(Monitor));
+			num_monitors = 0;
 			for (int i = 0; i < res->ncrtc; ++i) {
 				XRRCrtcInfo *crtc_info = XRRGetCrtcInfo(server.display, res, res->crtcs[i]);
-				server.monitors[i].x = crtc_info->x;
-				server.monitors[i].y = crtc_info->y;
-				server.monitors[i].width = crtc_info->width;
-				server.monitors[i].height = crtc_info->height;
-				server.monitors[i].names = calloc((crtc_info->noutput + 1), sizeof(gchar *));
+				// Ignore empty crtc
+				if (!crtc_info->width || !crtc_info->height) {
+					printf("xRandr: crtc %d seems disabled\n", i);
+					XRRFreeCrtcInfo(crtc_info);
+					continue;
+				}
+				int i_monitor = num_monitors;
+				num_monitors++;
+				server.monitors[i_monitor].x = crtc_info->x;
+				server.monitors[i_monitor].y = crtc_info->y;
+				server.monitors[i_monitor].width = crtc_info->width;
+				server.monitors[i_monitor].height = crtc_info->height;
+				server.monitors[i_monitor].names = calloc((crtc_info->noutput + 1), sizeof(gchar *));
 				for (int j = 0; j < crtc_info->noutput; ++j) {
 					XRROutputInfo *output_info = XRRGetOutputInfo(server.display, res, crtc_info->outputs[j]);
 					printf("xRandr: Linking output %s with crtc %d\n", output_info->name, i);
-					server.monitors[i].names[j] = g_strdup(output_info->name);
+					server.monitors[i_monitor].names[j] = g_strdup(output_info->name);
 					XRRFreeOutputInfo(output_info);
-					server.monitors[i].primary = crtc_info->outputs[j] == primary_output;
+					server.monitors[i_monitor].primary = crtc_info->outputs[j] == primary_output;
 				}
-				server.monitors[i].names[crtc_info->noutput] = NULL;
+				server.monitors[i_monitor].names[crtc_info->noutput] = NULL;
 				XRRFreeCrtcInfo(crtc_info);
 			}
-			num_monitors = res->ncrtc;
 		} else if (info && num_monitors > 0) {
 			server.monitors = calloc(num_monitors, sizeof(Monitor));
 			for (int i = 0; i < num_monitors; i++) {
@@ -346,7 +352,7 @@ void get_monitors()
 				server.monitors[i].y = info[i].y_org;
 				server.monitors[i].width = info[i].width;
 				server.monitors[i].height = info[i].height;
-				server.monitors[i].names = 0;
+				server.monitors[i].names = NULL;
 			}
 		}
 

src/server.h

@@ -159,6 +159,7 @@ void get_root_pixmap();
 
 // detect monitors and desktops
 void get_monitors();
+void sort_monitors();
 void print_monitors();
 void get_desktops();
 void server_get_number_of_desktops();

src/systray/systraybar.c

@@ -20,6 +20,7 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
+#include <regex.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -54,6 +55,8 @@ int systray_monitor;
 int chrono;
 int systray_composited;
 int systray_profile;
+char *systray_hide_name_filter;
+regex_t *systray_hide_name_regex;
 // background pixmap if we render ourselves the icons
 static Pixmap render_background;
 
@@ -65,6 +68,9 @@ const int slow_resize_period = 5000;
 const int min_bad_resize_events = 3;
 const int max_bad_resize_events = 10;
 
+int systray_compute_desired_size(void *obj);
+void systray_dump_geometry(void *obj, int indent);
+
 void default_systray()
 {
 	systray_enabled = 0;
@@ -78,6 +84,8 @@ void default_systray()
 	systray.area.size_mode = LAYOUT_FIXED;
 	systray.area._resize = resize_systray;
 	systray_profile = getenv("SYSTRAY_PROFILING") != NULL;
+	systray_hide_name_filter = NULL;
+	systray_hide_name_regex = NULL;
 }
 
 void cleanup_systray()
@@ -92,6 +100,12 @@ void cleanup_systray()
 		XFreePixmap(server.display, render_background);
 		render_background = 0;
 	}
+	if (systray_hide_name_regex) {
+		regfree(systray_hide_name_regex);
+		free_and_null(systray_hide_name_regex);
+	}
+	if (systray_hide_name_filter)
+		free_and_null(systray_hide_name_filter);
 }
 
 void init_systray()
@@ -114,12 +128,58 @@ void init_systray_panel(void *p)
 	Panel *panel = (Panel *)p;
 	systray.area.parent = panel;
 	systray.area.panel = panel;
+	systray.area._dump_geometry = systray_dump_geometry;
+	systray.area._compute_desired_size = systray_compute_desired_size;
 	snprintf(systray.area.name, sizeof(systray.area.name), "Systray");
 	if (!systray.area.bg)
 		systray.area.bg = &g_array_index(backgrounds, Background, 0);
 	show(&systray.area);
 	schedule_redraw(&systray.area);
 	refresh_systray = TRUE;
+	instantiate_area_gradients(&systray.area);
+}
+
+void systray_compute_geometry(int *size)
+{
+	systray.icon_size = panel_horizontal ? systray.area.height : systray.area.width;
+	systray.icon_size -= MAX(left_right_border_width(&systray.area), top_bottom_border_width(&systray.area)) +
+						 2 * systray.area.paddingy;
+	if (systray_max_icon_size > 0)
+		systray.icon_size = MIN(systray.icon_size, systray_max_icon_size);
+
+	int count = 0;
+	for (GSList *l = systray.list_icons; l; l = l->next) {
+		count++;
+	}
+
+	if (panel_horizontal) {
+		int height = systray.area.height - top_bottom_border_width(&systray.area) - 2 * systray.area.paddingy;
+		// here icons_per_column always higher than 0
+		systray.icons_per_column = (height + systray.area.paddingx) / (systray.icon_size + systray.area.paddingx);
+		systray.margin =
+			height - (systray.icons_per_column - 1) * (systray.icon_size + systray.area.paddingx) - systray.icon_size;
+		systray.icons_per_row = count / systray.icons_per_column + (count % systray.icons_per_column != 0);
+		*size = left_right_border_width(&systray.area) + 2 * systray.area.paddingxlr +
+							 (systray.icon_size * systray.icons_per_row) +
+							 ((systray.icons_per_row - 1) * systray.area.paddingx);
+	} else {
+		int width = systray.area.width - left_right_border_width(&systray.area) - 2 * systray.area.paddingy;
+		// here icons_per_row always higher than 0
+		systray.icons_per_row = (width + systray.area.paddingx) / (systray.icon_size + systray.area.paddingx);
+		systray.margin =
+			width - (systray.icons_per_row - 1) * (systray.icon_size + systray.area.paddingx) - systray.icon_size;
+		systray.icons_per_column = count / systray.icons_per_row + (count % systray.icons_per_row != 0);
+		*size = top_bottom_border_width(&systray.area) + (2 * systray.area.paddingxlr) +
+							  (systray.icon_size * systray.icons_per_column) +
+							  ((systray.icons_per_column - 1) * systray.area.paddingx);
+	}
+}
+
+int systray_compute_desired_size(void *obj)
+{
+	int size;
+	systray_compute_geometry(&size);
+	return size;
 }
 
 gboolean resize_systray(void *obj)
@@ -127,13 +187,8 @@ gboolean resize_systray(void *obj)
 	if (systray_profile)
 		fprintf(stderr, "[%f] %s:%d\n", profiling_get_time(), __FUNCTION__, __LINE__);
 
-	if (panel_horizontal)
-		systray.icon_size = systray.area.height;
-	else
-		systray.icon_size = systray.area.width;
-	systray.icon_size -= (2 * systray.area.bg->border.width) + (2 * systray.area.paddingy);
-	if (systray_max_icon_size > 0)
-		systray.icon_size = MIN(systray.icon_size, systray_max_icon_size);
+	int size;
+	systray_compute_geometry(&size);
 
 	if (systray.icon_size > 0) {
 		long icon_size = systray.icon_size;
@@ -147,40 +202,27 @@ gboolean resize_systray(void *obj)
 		                1);
 	}
 
-	int count = 0;
-	for (GSList *l = systray.list_icons; l; l = l->next) {
-		count++;
-	}
-	if (systray_profile)
-		fprintf(stderr, BLUE "%s:%d number of icons = %d" RESET "\n", __FUNCTION__, __LINE__, count);
-
-	if (panel_horizontal) {
-		int height = systray.area.height - 2 * systray.area.bg->border.width - 2 * systray.area.paddingy;
-		// here icons_per_column always higher than 0
-		systray.icons_per_column = (height + systray.area.paddingx) / (systray.icon_size + systray.area.paddingx);
-		systray.margin =
-			height - (systray.icons_per_column - 1) * (systray.icon_size + systray.area.paddingx) - systray.icon_size;
-		systray.icons_per_row = count / systray.icons_per_column + (count % systray.icons_per_column != 0);
-		systray.area.width = (2 * systray.area.bg->border.width) + (2 * systray.area.paddingxlr) +
-							 (systray.icon_size * systray.icons_per_row) +
-							 ((systray.icons_per_row - 1) * systray.area.paddingx);
-	} else {
-		int width = systray.area.width - 2 * systray.area.bg->border.width - 2 * systray.area.paddingy;
-		// here icons_per_row always higher than 0
-		systray.icons_per_row = (width + systray.area.paddingx) / (systray.icon_size + systray.area.paddingx);
-		systray.margin =
-			width - (systray.icons_per_row - 1) * (systray.icon_size + systray.area.paddingx) - systray.icon_size;
-		systray.icons_per_column = count / systray.icons_per_row + (count % systray.icons_per_row != 0);
-		systray.area.height = (2 * systray.area.bg->border.width) + (2 * systray.area.paddingxlr) +
-							  (systray.icon_size * systray.icons_per_column) +
-							  ((systray.icons_per_column - 1) * systray.area.paddingx);
-	}
-
+	gboolean result = refresh_systray;
 	if (net_sel_win == None) {
 		start_net();
+		result = TRUE;
 	}
 
-	return TRUE;
+	if (panel_horizontal) {
+		if (systray.area.width != size) {
+			systray.area.width = size;
+			result = TRUE;
+		}
+	} else {
+		if (systray.area.height != size) {
+			systray.area.height = size;
+			result = TRUE;
+		}
+	}
+
+	on_change_systray(&systray.area);
+
+	return result;
 }
 
 void draw_systray(void *obj, cairo_t *c)
@@ -191,7 +233,7 @@ void draw_systray(void *obj, cairo_t *c)
 		if (render_background)
 			XFreePixmap(server.display, render_background);
 		render_background =
-			XCreatePixmap(server.display, server.root_win, systray.area.width, systray.area.height, server.depth);
+		    XCreatePixmap(server.display, server.root_win, systray.area.width, systray.area.height, server.depth);
 		XCopyArea(server.display,
 		          systray.area.pix,
 		          render_background,
@@ -207,6 +249,29 @@ void draw_systray(void *obj, cairo_t *c)
 	refresh_systray = TRUE;
 }
 
+void systray_dump_geometry(void *obj, int indent)
+{
+	Systray *tray = (Systray *)obj;
+
+	fprintf(stderr,
+			"%*sIcons:\n",
+			indent,
+			"");
+	indent += 2;
+	for (GSList *l = tray->list_icons; l; l = l->next) {
+		TrayWindow *traywin = (TrayWindow *)l->data;
+		fprintf(stderr,
+				"%*sIcon: x = %d, y = %d, w = %d, h = %d, name = %s\n",
+				indent,
+				"",
+				traywin->x,
+				traywin->y,
+				traywin->width,
+				traywin->height,
+				traywin->name);
+	}
+}
+
 void on_change_systray(void *obj)
 {
 	if (systray_profile)
@@ -218,14 +283,15 @@ void on_change_systray(void *obj)
 	// Based on this we calculate the positions of the tray icons.
 	Panel *panel = systray.area.panel;
 	int posx, posy;
-	int start = panel->area.bg->border.width + panel->area.paddingy + systray.area.bg->border.width +
-				systray.area.paddingy + systray.margin / 2;
+	int start;
 	if (panel_horizontal) {
-		posy = start;
-		posx = systray.area.posx + systray.area.bg->border.width + systray.area.paddingxlr;
+		posy = start = top_border_width(&panel->area) + panel->area.paddingy + top_border_width(&systray.area) +
+		               systray.area.paddingy + systray.margin / 2;
+		posx = systray.area.posx + left_border_width(&systray.area) + systray.area.paddingxlr;
 	} else {
-		posx = start;
-		posy = systray.area.posy + systray.area.bg->border.width + systray.area.paddingxlr;
+		posx = start = left_border_width(&panel->area) + panel->area.paddingy + left_border_width(&systray.area) +
+		               systray.area.paddingy + systray.margin / 2;
+		posy = systray.area.posy + top_border_width(&systray.area) + systray.area.paddingxlr;
 	}
 
 	TrayWindow *traywin;
@@ -275,7 +341,7 @@ void on_change_systray(void *obj)
 		if (width != traywin->width || height != traywin->height || xpos != traywin->x || ypos != traywin->y) {
 			if (systray_profile)
 				fprintf(stderr,
-						"XMoveResizeWindow(server.display, traywin->parent = %ld, traywin->x = %d, traywin->y = %d, "
+				        "XMoveResizeWindow(server.display, traywin->parent = %ld, traywin->x = %d, traywin->y = %d, "
 				        "traywin->width = %d, traywin->height = %d)\n",
 				        traywin->parent,
 				        traywin->x,
@@ -386,7 +452,7 @@ void start_net()
 		vid = XVisualIDFromVisual(server.visual);
 	XChangeProperty(server.display,
 	                net_sel_win,
-					XInternAtom(server.display, "_NET_SYSTEM_TRAY_VISUAL", False),
+	                XInternAtom(server.display, "_NET_SYSTEM_TRAY_VISUAL", False),
 	                XA_VISUALID,
 	                32,
 	                PropModeReplace,
@@ -518,6 +584,26 @@ void print_icons()
 	}
 }
 
+gboolean reject_icon(Window win)
+{
+	if (systray_hide_name_filter && strlen(systray_hide_name_filter)) {
+		if (!systray_hide_name_regex) {
+			systray_hide_name_regex = (regex_t *) calloc(1, sizeof(*systray_hide_name_regex));
+			if (regcomp(systray_hide_name_regex, systray_hide_name_filter, 0) != 0) {
+				fprintf(stderr, RED "Could not compile regex %s" RESET "\n", systray_hide_name_filter);
+				free_and_null(systray_hide_name_regex);
+				return FALSE;
+			}
+		}
+		char *name = get_window_name(win);
+		if (regexec(systray_hide_name_regex, name, 0, NULL, 0) == 0) {
+			fprintf(stderr, GREEN "Filtering out systray icon '%s'" RESET "\n", name);
+			return TRUE;
+		}
+	}
+	return FALSE;
+}
+
 gboolean add_icon(Window win)
 {
 	// Avoid duplicates
@@ -528,6 +614,10 @@ gboolean add_icon(Window win)
 		}
 	}
 
+	// Filter out systray_hide_by_icon_name
+	if (reject_icon(win))
+		return FALSE;
+	
 	// Dangerous actions begin
 	XSync(server.display, False);
 	error = FALSE;
@@ -535,7 +625,7 @@ gboolean add_icon(Window win)
 
 	XSelectInput(server.display, win, StructureNotifyMask | PropertyChangeMask | ResizeRedirectMask);
 
-    char *name = get_window_name(win);
+	char *name = get_window_name(win);
 	if (systray_profile)
 		fprintf(stderr, "[%f] %s:%d win = %lu (%s)\n", profiling_get_time(), __FUNCTION__, __LINE__, win, name);
 	Panel *panel = systray.area.panel;
@@ -589,7 +679,7 @@ gboolean add_icon(Window win)
 	XSetWindowAttributes set_attr;
 	Visual *visual = server.visual;
 	fprintf(stderr,
-			GREEN "add_icon: %lu (%s), pid %d, visual %p, colormap %lu, depth %d, width %d, height %d" RESET "\n",
+	        GREEN "add_icon: %lu (%s), pid %d, visual %p, colormap %lu, depth %d, width %d, height %d" RESET "\n",
 	        win,
 	        name,
 	        pid,
@@ -646,8 +736,7 @@ gboolean add_icon(Window win)
 	traywin->chrono = chrono;
 	chrono++;
 
-	if (!systray.area.on_screen)
-		show(&systray.area);
+	show(&systray.area);
 
 	if (systray.sort == SYSTRAY_SORT_RIGHT2LEFT)
 		systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
@@ -668,10 +757,10 @@ gboolean add_icon(Window win)
 	// Resize and redraw the systray
 	if (systray_profile)
 		fprintf(stderr,
-				BLUE "[%f] %s:%d trigger resize & redraw" RESET "\n",
-				profiling_get_time(),
-				__FUNCTION__,
-				__LINE__);
+		        BLUE "[%f] %s:%d trigger resize & redraw" RESET "\n",
+		        profiling_get_time(),
+		        __FUNCTION__,
+		        __LINE__);
 	systray.area.resize_needed = TRUE;
 	panel->area.resize_needed = TRUE;
 	schedule_redraw(&systray.area);
@@ -701,8 +790,8 @@ gboolean reparent_icon(TrayWindow *traywin)
 
 	if (systray_profile)
 		fprintf(stderr,
-				"XMoveResizeWindow(server.display, traywin->win = %ld, 0, 0, traywin->width = %d, traywin->height = "
-				"%d)\n",
+		        "XMoveResizeWindow(server.display, traywin->win = %ld, 0, 0, traywin->width = %d, traywin->height = "
+		        "%d)\n",
 		        traywin->win,
 		        traywin->width,
 		        traywin->height);
@@ -783,7 +872,7 @@ gboolean embed_icon(TrayWindow *traywin)
 
 		if (systray_profile)
 			fprintf(stderr,
-					"XGetWindowProperty(server.display, traywin->win, server.atom._XEMBED_INFO, 0, 2, False, "
+			        "XGetWindowProperty(server.display, traywin->win, server.atom._XEMBED_INFO, 0, 2, False, "
 			        "server.atom._XEMBED_INFO, &acttype, &actfmt, &nbitem, &bytes, &data)\n");
 		ret = XGetWindowProperty(server.display,
 		                         traywin->win,
@@ -925,10 +1014,10 @@ void remove_icon(TrayWindow *traywin)
 	// Resize and redraw the systray
 	if (systray_profile)
 		fprintf(stderr,
-				BLUE "[%f] %s:%d trigger resize & redraw" RESET "\n",
-				profiling_get_time(),
-				__FUNCTION__,
-				__LINE__);
+		        BLUE "[%f] %s:%d trigger resize & redraw" RESET "\n",
+		        profiling_get_time(),
+		        __FUNCTION__,
+		        __LINE__);
 	systray.area.resize_needed = TRUE;
 	panel->area.resize_needed = TRUE;
 	schedule_redraw(&systray.area);
@@ -948,10 +1037,10 @@ void systray_resize_icon(void *t)
 	} else {
 		if (systray_profile)
 			fprintf(stderr,
-					"systray_resize_icon win = %ld, w = %d, h = %d\n",
-					traywin->win,
-					traywin->width,
-					traywin->height);
+			        "systray_resize_icon win = %ld, w = %d, h = %d\n",
+			        traywin->win,
+			        traywin->width,
+			        traywin->height);
 		// This is the obvious thing to do but GTK tray icons do not respect the new size
 		if (0) {
 			XMoveResizeWindow(server.display, traywin->win, 0, 0, traywin->width, traywin->height);
@@ -1048,11 +1137,11 @@ void systray_reconfigure_event(TrayWindow *traywin, XEvent *e)
 	// Resize and redraw the systray
 	if (systray_profile)
 		fprintf(stderr,
-				BLUE "[%f] %s:%d trigger resize & redraw" RESET "\n",
-				profiling_get_time(),
-				__FUNCTION__,
-				__LINE__);
-	panel_refresh = TRUE;
+		        BLUE "[%f] %s:%d trigger resize & redraw" RESET "\n",
+		        profiling_get_time(),
+		        __FUNCTION__,
+		        __LINE__);
+	schedule_panel_redraw();
 	refresh_systray = TRUE;
 }
 
@@ -1061,7 +1150,7 @@ void systray_property_notify(TrayWindow *traywin, XEvent *e)
 	Atom at = e->xproperty.atom;
 	if (at == server.atom.WM_NAME) {
 		free(traywin->name);
-        traywin->name = get_window_name(traywin->win);
+		traywin->name = get_window_name(traywin->win);
 		if (systray.sort == SYSTRAY_SORT_ASCENDING || systray.sort == SYSTRAY_SORT_DESCENDING) {
 			systray.list_icons = g_slist_sort(systray.list_icons, compare_traywindows);
 			// print_icons();
@@ -1127,11 +1216,11 @@ void systray_resize_request_event(TrayWindow *traywin, XEvent *e)
 	// Resize and redraw the systray
 	if (systray_profile)
 		fprintf(stderr,
-				BLUE "[%f] %s:%d trigger resize & redraw" RESET "\n",
-				profiling_get_time(),
-				__FUNCTION__,
-				__LINE__);
-	panel_refresh = TRUE;
+		        BLUE "[%f] %s:%d trigger resize & redraw" RESET "\n",
+		        profiling_get_time(),
+		        __FUNCTION__,
+		        __LINE__);
+	schedule_panel_redraw();
 	refresh_systray = TRUE;
 }
 
@@ -1154,15 +1243,15 @@ void systray_render_icon_from_image(TrayWindow *traywin)
 		return;
 	imlib_context_set_image(traywin->image);
 	XCopyArea(server.display,
-			  render_background,
-			  systray.area.pix,
-			  server.gc,
-			  traywin->x - systray.area.posx,
-			  traywin->y - systray.area.posy,
-			  traywin->width,
-			  traywin->height,
-			  traywin->x - systray.area.posx,
-			  traywin->y - systray.area.posy);
+	          render_background,
+	          systray.area.pix,
+	          server.gc,
+	          traywin->x - systray.area.posx,
+	          traywin->y - systray.area.posy,
+	          traywin->width,
+	          traywin->height,
+	          traywin->x - systray.area.posx,
+	          traywin->y - systray.area.posy);
 	render_image(systray.area.pix, traywin->x - systray.area.posx, traywin->y - systray.area.posy);
 }
 
@@ -1267,7 +1356,7 @@ void systray_render_icon_composited(void *t)
 		goto on_error;
 	}
 	Picture pict_drawable =
-		XRenderCreatePicture(server.display, tmp_pmap, XRenderFindVisualFormat(server.display, server.visual32), 0, 0);
+	    XRenderCreatePicture(server.display, tmp_pmap, XRenderFindVisualFormat(server.display, server.visual32), 0, 0);
 	if (!pict_drawable) {
 		XRenderFreePicture(server.display, pict_image);
 		XFreePixmap(server.display, tmp_pmap);
@@ -1324,9 +1413,9 @@ void systray_render_icon_composited(void *t)
 		adjust_asb(data,
 		           traywin->width,
 		           traywin->height,
-				   systray.alpha / 100.0,
-				   systray.saturation / 100.0,
-				   systray.brightness / 100.0);
+		           systray.alpha / 100.0,
+		           systray.saturation / 100.0,
+		           systray.brightness / 100.0);
 	imlib_image_put_back_data(data);
 
 	systray_render_icon_from_image(traywin);
@@ -1339,7 +1428,7 @@ void systray_render_icon_composited(void *t)
 	if (error)
 		goto on_error;
 
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 
 	if (systray_profile)
 		fprintf(stderr,
@@ -1378,29 +1467,31 @@ on_systray_error:
 void systray_render_icon(void *t)
 {
 	TrayWindow *traywin = t;
-	if (systray_profile)
-		fprintf(stderr,
-		        "[%f] %s:%d win = %lu (%s)\n",
-		        profiling_get_time(),
-		        __FUNCTION__,
-		        __LINE__,
-		        traywin->win,
-		        traywin->name);
 	if (!traywin->reparented || !traywin->embedded) {
-		if (systray_profile)
-			fprintf(stderr,
-			        YELLOW "[%f] %s:%d win = %lu (%s) delaying rendering" RESET "\n",
-			        profiling_get_time(),
-			        __FUNCTION__,
-			        __LINE__,
-			        traywin->win,
-			        traywin->name);
+//		if (systray_profile)
+//			fprintf(stderr,
+//			        YELLOW "[%f] %s:%d win = %lu (%s) delaying rendering" RESET "\n",
+//			        profiling_get_time(),
+//			        __FUNCTION__,
+//			        __LINE__,
+//			        traywin->win,
+//			        traywin->name);
 		stop_timeout(traywin->render_timeout);
 		traywin->render_timeout =
 		    add_timeout(min_refresh_period, 0, systray_render_icon, traywin, &traywin->render_timeout);
 		return;
 	}
 
+	if (systray_profile)
+		fprintf(stderr,
+				"[%f] %s:%d win = %lu (%s)\n",
+				profiling_get_time(),
+				__FUNCTION__,
+				__LINE__,
+				traywin->win,
+				traywin->name);
+
+
 	if (systray_composited) {
 		XSync(server.display, False);
 		error = FALSE;
@@ -1449,12 +1540,12 @@ void systray_render_icon(void *t)
 		// Trigger window repaint
 		if (systray_profile)
 			fprintf(stderr,
-					"XClearArea(server.display, traywin->parent = %ld, 0, 0, traywin->width, traywin->height, True)\n",
+			        "XClearArea(server.display, traywin->parent = %ld, 0, 0, traywin->width, traywin->height, True)\n",
 			        traywin->parent);
 		XClearArea(server.display, traywin->parent, 0, 0, 0, 0, True);
 		if (systray_profile)
 			fprintf(stderr,
-					"XClearArea(server.display, traywin->win = %ld, 0, 0, traywin->width, traywin->height, True)\n",
+			        "XClearArea(server.display, traywin->win = %ld, 0, 0, traywin->width, traywin->height, True)\n",
 			        traywin->win);
 		XClearArea(server.display, traywin->win, 0, 0, 0, 0, True);
 	}
@@ -1472,9 +1563,9 @@ void refresh_systray_icons()
 	}
 }
 
-gboolean systray_on_monitor(int i_monitor, int num_panels)
+gboolean systray_on_monitor(int i_monitor, int n_panels)
 {
-	return (i_monitor == systray_monitor) || (i_monitor == 0 && (systray_monitor >= num_panels || systray_monitor < 0));
+	return (i_monitor == systray_monitor) || (i_monitor == 0 && (systray_monitor >= n_panels || systray_monitor < 0));
 }
 
 TrayWindow *systray_find_icon(Window win)

src/systray/systraybar.h

@@ -75,6 +75,7 @@ extern gboolean systray_enabled;
 extern int systray_max_icon_size;
 extern int systray_monitor;
 extern gboolean systray_profile;
+extern char *systray_hide_name_filter;
 
 // default global data
 void default_systray();

src/taskbar/task.c

@@ -38,6 +38,9 @@
 timeout *urgent_timeout;
 GSList *urgent_list;
 
+void task_dump_geometry(void *obj, int indent);
+int task_compute_desired_size(void *obj);
+
 char *task_get_tooltip(void *obj)
 {
 	Task *t = (Task *)obj;
@@ -68,6 +71,7 @@ Task *add_task(Window win)
 	snprintf(task_template.area.name, sizeof(task_template.area.name), "Task %d", (int)win);
 	task_template.area.has_mouse_over_effect = panel_config.mouse_effects;
 	task_template.area.has_mouse_press_effect = panel_config.mouse_effects;
+	task_template.area._dump_geometry = task_dump_geometry;
 	task_template.area._is_under_mouse = full_width_area_is_under_mouse;
 	task_template.win = win;
 	task_template.desktop = get_window_desktop(win);
@@ -83,7 +87,11 @@ Task *add_task(Window win)
 	}
 	task_update_title(&task_template);
 	task_update_icon(&task_template);
-	snprintf(task_template.area.name, sizeof(task_template.area.name), "Task %d %s", (int)win, task_template.title ? task_template.title : "null");
+	snprintf(task_template.area.name,
+	         sizeof(task_template.area.name),
+	         "Task %d %s",
+	         (int)win,
+	         task_template.title ? task_template.title : "null");
 
 	// fprintf(stderr, "%s %d: win = %ld, task = %s\n", __FUNCTION__, __LINE__, win, task_template.title ?
 	// task_template.title : "??");
@@ -99,7 +107,9 @@ Task *add_task(Window win)
 		memcpy(&task_instance->area, &panels[monitor].g_task.area, sizeof(Area));
 		task_instance->area.has_mouse_over_effect = panel_config.mouse_effects;
 		task_instance->area.has_mouse_press_effect = panel_config.mouse_effects;
+		task_instance->area._dump_geometry = task_dump_geometry;
 		task_instance->area._is_under_mouse = full_width_area_is_under_mouse;
+		task_instance->area._compute_desired_size = task_compute_desired_size;
 		task_instance->win = task_template.win;
 		task_instance->desktop = task_template.desktop;
 		task_instance->win_x = task_template.win_x;
@@ -142,6 +152,9 @@ Task *add_task(Window win)
 		add_urgent((Task *)g_ptr_array_index(task_buttons, 0));
 	}
 
+	if (hide_taskbar_if_empty)
+		update_all_taskbars_visibility();
+
 	return (Task *)g_ptr_array_index(task_buttons, 0);
 }
 
@@ -196,6 +209,8 @@ void remove_task(Task *task)
 		free(task2);
 	}
 	g_hash_table_remove(win_to_task, &win);
+	if (hide_taskbar_if_empty)
+		update_all_taskbars_visibility();
 }
 
 gboolean task_update_title(Task *task)
@@ -260,41 +275,49 @@ void task_update_icon(Task *task)
 
 	Imlib_Image img = NULL;
 
-	int i;
-	gulong *data = server_get_property(task->win, server.atom._NET_WM_ICON, XA_CARDINAL, &i);
-	if (data) {
-		// get ARGB icon
-		int w, h;
-		gulong *tmp_data;
+	if (!img) {
+		int i;
+		gulong *data = server_get_property(task->win, server.atom._NET_WM_ICON, XA_CARDINAL, &i);
+		if (data) {
+			// get ARGB icon
+			int w, h;
+			gulong *tmp_data;
 
-		tmp_data = get_best_icon(data, get_icon_count(data, i), i, &w, &h, panel->g_task.icon_size1);
-		DATA32 icon_data[w * h];
-		for (int j = 0; j < w * h; ++j)
-			icon_data[j] = tmp_data[j];
-		img = imlib_create_image_using_copied_data(w, h, icon_data);
-		XFree(data);
-	} else {
-		// get Pixmap icon
+			tmp_data = get_best_icon(data, get_icon_count(data, i), i, &w, &h, panel->g_task.icon_size1);
+			DATA32 icon_data[w * h];
+			for (int j = 0; j < w * h; ++j)
+				icon_data[j] = tmp_data[j];
+			img = imlib_create_image_using_copied_data(w, h, icon_data);
+			if (img)
+				fprintf(stderr, "%s: Got %dx%d icon via _NET_WM_ICON for %s\n", __FUNCTION__, w, h, task->title ? task->title : "task");
+			XFree(data);
+		}
+	}
+
+	if (!img) {
 		XWMHints *hints = XGetWMHints(server.display, task->win);
 		if (hints) {
 			if (hints->flags & IconPixmapHint && hints->icon_pixmap != 0) {
 				// get width, height and depth for the pixmap
 				Window root;
 				int icon_x, icon_y;
-				uint border_width, bpp;
-				uint w, h;
+				unsigned border_width, bpp;
+				unsigned w, h;
 
-				// printf("  get pixmap\n");
 				XGetGeometry(server.display, hints->icon_pixmap, &root, &icon_x, &icon_y, &w, &h, &border_width, &bpp);
 				imlib_context_set_drawable(hints->icon_pixmap);
 				img = imlib_create_image_from_drawable(hints->icon_mask, 0, 0, w, h, 0);
+				if (img)
+					fprintf(stderr, "%s: Got %dx%d pixmap icon via WM_HINTS for %s\n", __FUNCTION__, w, h, task->title ? task->title : "task");
 			}
 			XFree(hints);
 		}
 	}
+
 	if (img == NULL) {
 		imlib_context_set_image(default_icon);
 		img = imlib_clone_image();
+		fprintf(stderr, "%s: Using default icon for %s\n", __FUNCTION__, task->title ? task->title : "task");
 	}
 
 	// transform icons
@@ -303,7 +326,7 @@ void task_update_icon(Task *task)
 	int w = imlib_image_get_width();
 	int h = imlib_image_get_height();
 	Imlib_Image orig_image =
-		imlib_create_cropped_scaled_image(0, 0, w, h, panel->g_task.icon_size1, panel->g_task.icon_size1);
+	    imlib_create_cropped_scaled_image(0, 0, w, h, panel->g_task.icon_size1, panel->g_task.icon_size1);
 	imlib_free_image();
 
 	imlib_context_set_image(orig_image);
@@ -317,22 +340,22 @@ void task_update_icon(Task *task)
 		if (panel->g_task.alpha[k] != 100 || panel->g_task.saturation[k] != 0 || panel->g_task.brightness[k] != 0) {
 			data32 = imlib_image_get_data();
 			adjust_asb(data32,
-					   task->icon_width,
-					   task->icon_height,
-					   panel->g_task.alpha[k] / 100.0,
-					   panel->g_task.saturation[k] / 100.0,
-					   panel->g_task.brightness[k] / 100.0);
+			           task->icon_width,
+			           task->icon_height,
+			           panel->g_task.alpha[k] / 100.0,
+			           panel->g_task.saturation[k] / 100.0,
+			           panel->g_task.brightness[k] / 100.0);
 			imlib_image_put_back_data(data32);
 		}
 		if (panel_config.mouse_effects) {
 			task->icon_hover[k] = adjust_icon(task->icon[k],
-											  panel_config.mouse_over_alpha,
-											  panel_config.mouse_over_saturation,
-											  panel_config.mouse_over_brightness);
+			                                  panel_config.mouse_over_alpha,
+			                                  panel_config.mouse_over_saturation,
+			                                  panel_config.mouse_over_brightness);
 			task->icon_press[k] = adjust_icon(task->icon[k],
-											  panel_config.mouse_pressed_alpha,
-											  panel_config.mouse_pressed_saturation,
-											  panel_config.mouse_pressed_brightness);
+			                                  panel_config.mouse_pressed_alpha,
+			                                  panel_config.mouse_pressed_saturation,
+			                                  panel_config.mouse_pressed_brightness);
 		}
 	}
 	imlib_context_set_image(orig_image);
@@ -340,7 +363,7 @@ void task_update_icon(Task *task)
 
 	GPtrArray *task_buttons = get_task_buttons(task->win);
 	if (task_buttons) {
-		for (i = 0; i < task_buttons->len; ++i) {
+		for (int i = 0; i < task_buttons->len; ++i) {
 			Task *task2 = g_ptr_array_index(task_buttons, i);
 			task2->icon_width = task->icon_width;
 			task2->icon_height = task->icon_height;
@@ -361,15 +384,14 @@ void draw_task_icon(Task *task, int text_width)
 		return;
 
 	// Find pos
-	int pos_x;
 	Panel *panel = (Panel *)task->area.panel;
 	if (panel->g_task.centered) {
 		if (panel->g_task.has_text)
-			pos_x = (task->area.width - text_width - panel->g_task.icon_size1) / 2;
+			task->_icon_x = (task->area.width - text_width - panel->g_task.icon_size1) / 2;
 		else
-			pos_x = (task->area.width - panel->g_task.icon_size1) / 2;
+			task->_icon_x = (task->area.width - panel->g_task.icon_size1) / 2;
 	} else {
-		pos_x = task->area.bg->border.width + task->area.paddingxlr;
+		task->_icon_x = left_border_width(&task->area) + task->area.paddingxlr;
 	}
 
 	// Render
@@ -388,14 +410,8 @@ void draw_task_icon(Task *task, int text_width)
 	}
 
 	imlib_context_set_image(image);
-	render_image(task->area.pix, pos_x, (task->area.height - panel->g_task.icon_size1) / 2);
-	if (0) {
-		fprintf(stderr, "Task icon size: %d %d pos %d %d\n", imlib_image_get_width(), imlib_image_get_height(), pos_x, panel->g_task.icon_posy);
-		fprintf(stderr, "Task max size : %d %d\n", panel->g_task.maximum_width, panel->g_task.maximum_height);
-		fprintf(stderr, "Task area size: %d %d\n", task->area.width, task->area.height);
-		fprintf(stderr, "Task border   : %d\n", task->area.bg->border.width);
-		fprintf(stderr, "\n");
-	}
+	task->_icon_y = (task->area.height - panel->g_task.icon_size1) / 2;
+	render_image(task->area.pix, task->_icon_x, task->_icon_y);
 }
 
 void draw_task(void *obj, cairo_t *c)
@@ -403,7 +419,7 @@ void draw_task(void *obj, cairo_t *c)
 	Task *task = (Task *)obj;
 	Panel *panel = (Panel *)task->area.panel;
 
-	int text_width = 0;
+	task->_text_width = 0;
 	if (panel->g_task.has_text) {
 		PangoLayout *layout = pango_cairo_create_layout(c);
 		pango_layout_set_font_description(layout, panel->g_task.font_desc);
@@ -419,18 +435,49 @@ void draw_task(void *obj, cairo_t *c)
 		else
 			pango_layout_set_alignment(layout, PANGO_ALIGN_LEFT);
 
-		int text_height;
-		pango_layout_get_pixel_size(layout, &text_width, &text_height);
-		double text_posy = (panel->g_task.area.height - text_height) / 2.0;
+		pango_layout_get_pixel_size(layout, &task->_text_width, &task->_text_height);
+		task->_text_posy = (panel->g_task.area.height - task->_text_height) / 2.0;
 
 		Color *config_text = &panel->g_task.font[task->current_state];
-		draw_text(layout, c, panel->g_task.text_posx, text_posy, config_text, panel->font_shadow);
+		draw_text(layout, c, panel->g_task.text_posx, task->_text_posy, config_text, panel->font_shadow);
 
 		g_object_unref(layout);
 	}
 
 	if (panel->g_task.has_icon)
-		draw_task_icon(task, text_width);
+		draw_task_icon(task, task->_text_width);
+}
+
+void task_dump_geometry(void *obj, int indent)
+{
+	Task *task = (Task *)obj;
+	Panel *panel = (Panel *)task->area.panel;
+
+	fprintf(stderr,
+			"%*sText: x = %d, y = %d, w = %d, h = %d, align = %s, text = %s\n",
+			indent,
+			"",
+			(int)panel->g_task.text_posx,
+			(int)task->_text_posy,
+			task->_text_width,
+			task->_text_height,
+			panel->g_task.centered ? "center" : "left",
+			task->title);
+	fprintf(stderr,
+			"%*sIcon: x = %d, y = %d, w = h = %d\n",
+			indent,
+			"",
+			task->_icon_x,
+			task->_icon_y,
+			panel->g_task.icon_size1);
+}
+
+int task_compute_desired_size(void *obj)
+{
+	Task *task = (Task *)obj;
+	Panel *panel = (Panel *)task->area.panel;
+	int size = panel_horizontal ? panel->g_task.maximum_width : panel->g_task.maximum_height;
+	return size;
 }
 
 void on_change_task(void *obj)
@@ -440,13 +487,13 @@ void on_change_task(void *obj)
 
 	long value[] = {panel->posx + task->area.posx, panel->posy + task->area.posy, task->area.width, task->area.height};
 	XChangeProperty(server.display,
-					task->win,
-					server.atom._NET_WM_ICON_GEOMETRY,
-					XA_CARDINAL,
-					32,
-					PropModeReplace,
-					(unsigned char *)value,
-					4);
+	                task->win,
+	                server.atom._NET_WM_ICON_GEOMETRY,
+	                XA_CARDINAL,
+	                32,
+	                PropModeReplace,
+	                (unsigned char *)value,
+	                4);
 }
 
 Task *find_active_task(Task *current_task)
@@ -563,6 +610,8 @@ void set_task_state(Task *task, TaskState state)
 				Task *task1 = g_ptr_array_index(task_buttons, i);
 				task1->current_state = state;
 				task1->area.bg = panels[0].g_task.background[state];
+				free_area_gradient_instances(&task1->area);
+				instantiate_area_gradients(&task1->area);
 				schedule_redraw(&task1->area);
 				if (state == TASK_ACTIVE && g_slist_find(urgent_list, task1))
 					del_urgent(task1);
@@ -579,7 +628,7 @@ void set_task_state(Task *task, TaskState state)
 					}
 				}
 				if (get_window_monitor(task->win) != ((Panel *)task->area.panel)->monitor &&
-					(hide_task_diff_monitor || num_panels > 1)) {
+				    (hide_task_diff_monitor || num_panels > 1)) {
 					hide = TRUE;
 				}
 				if ((!hide) != task1->area.on_screen) {
@@ -591,7 +640,7 @@ void set_task_state(Task *task, TaskState state)
 					p->area.resize_needed = TRUE;
 				}
 			}
-			panel_refresh = TRUE;
+			schedule_panel_redraw();
 		}
 	}
 }
@@ -609,7 +658,7 @@ void blink_urgent(void *arg)
 		}
 		urgent_task = urgent_task->next;
 	}
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void add_urgent(Task *task)

src/taskbar/task.h

@@ -36,6 +36,7 @@ typedef struct GlobalTask {
 	int brightness[TASK_STATE_COUNT];
 	int config_asb_mask;
 	Background *background[TASK_STATE_COUNT];
+	GList *gradient[TASK_STATE_COUNT];
 	int config_background_mask;
 	// starting position for text ~ task_padding + task_border + icon_size
 	double text_posx, text_height;
@@ -67,6 +68,11 @@ typedef struct Task {
 	int win_w;
 	int win_h;
 	struct timespec last_activation_time;
+	int _text_width;
+	int _text_height;
+	double _text_posy;
+	int _icon_x;
+	int _icon_y;
 } Task;
 
 extern timeout *urgent_timeout;

src/taskbar/taskbar.c

@@ -41,11 +41,13 @@ gboolean taskbar_enabled;
 gboolean taskbar_distribute_size;
 gboolean hide_inactive_tasks;
 gboolean hide_task_diff_monitor;
+gboolean hide_taskbar_if_empty;
 gboolean always_show_all_desktop_tasks;
 TaskbarSortMethod taskbar_sort_method;
 Alignment taskbar_alignment;
 
 void taskbar_init_fonts();
+int taskbar_compute_desired_size(void *obj);
 
 // Removes the task with &win = key. The other args are ignored.
 void taskbar_remove_task(Window *win);
@@ -74,6 +76,7 @@ void default_taskbar()
 	taskbar_distribute_size = FALSE;
 	hide_inactive_tasks = FALSE;
 	hide_task_diff_monitor = FALSE;
+	hide_taskbar_if_empty = FALSE;
 	always_show_all_desktop_tasks = FALSE;
 	taskbar_sort_method = TASKBAR_NOSORT;
 	taskbar_alignment = ALIGN_LEFT;
@@ -82,7 +85,6 @@ void default_taskbar()
 
 void cleanup_taskbar()
 {
-	cleanup_taskbarname();
 	if (win_to_task) {
 		while (g_hash_table_size(win_to_task)) {
 			GHashTableIter iter;
@@ -96,6 +98,7 @@ void cleanup_taskbar()
 		g_hash_table_destroy(win_to_task);
 		win_to_task = NULL;
 	}
+	cleanup_taskbarname();
 	for (int i = 0; i < num_panels; i++) {
 		Panel *panel = &panels[i];
 		for (int j = 0; j < panel->num_desktops; j++) {
@@ -114,6 +117,15 @@ void cleanup_taskbar()
 	urgent_list = NULL;
 
 	stop_timeout(urgent_timeout);
+
+	for (int state = 0; state < TASK_STATE_COUNT; state++) {
+		g_list_free(panel_config.g_task.gradient[state]);
+	}
+
+	for (int state = 0; state < TASKBAR_STATE_COUNT; state++) {
+		g_list_free(panel_config.g_taskbar.gradient[state]);
+		g_list_free(panel_config.g_taskbar.gradient_name[state]);
+	}
 }
 
 void init_taskbar()
@@ -163,17 +175,20 @@ void init_taskbar_panel(void *p)
 	panel->g_taskbar.area.size_mode = LAYOUT_DYNAMIC;
 	panel->g_taskbar.area.alignment = taskbar_alignment;
 	panel->g_taskbar.area._resize = resize_taskbar;
+	panel->g_taskbar.area._compute_desired_size = taskbar_compute_desired_size;
 	panel->g_taskbar.area._is_under_mouse = full_width_area_is_under_mouse;
 	panel->g_taskbar.area.resize_needed = 1;
 	panel->g_taskbar.area.on_screen = TRUE;
 	if (panel_horizontal) {
-		panel->g_taskbar.area.posy = panel->area.bg->border.width + panel->area.paddingy;
-		panel->g_taskbar.area.height = panel->area.height - (2 * panel->g_taskbar.area.posy);
+		panel->g_taskbar.area.posy = top_border_width(&panel->area) + panel->area.paddingy;
+		panel->g_taskbar.area.height =
+		    panel->area.height - top_bottom_border_width(&panel->area) - 2 * panel->area.paddingy;
 		panel->g_taskbar.area_name.posy = panel->g_taskbar.area.posy;
 		panel->g_taskbar.area_name.height = panel->g_taskbar.area.height;
 	} else {
-		panel->g_taskbar.area.posx = panel->area.bg->border.width + panel->area.paddingy;
-		panel->g_taskbar.area.width = panel->area.width - (2 * panel->g_taskbar.area.posx);
+		panel->g_taskbar.area.posx = left_border_width(&panel->area) + panel->area.paddingy;
+		panel->g_taskbar.area.width =
+		    panel->area.width - left_right_border_width(&panel->area) - 2 * panel->area.paddingy;
 		panel->g_taskbar.area_name.posx = panel->g_taskbar.area.posx;
 		panel->g_taskbar.area_name.width = panel->g_taskbar.area.width;
 	}
@@ -230,15 +245,19 @@ void init_taskbar_panel(void *p)
 
 	if (panel_horizontal) {
 		panel->g_task.area.posy = panel->g_taskbar.area.posy +
-								  panel->g_taskbar.background[TASKBAR_NORMAL]->border.width +
-								  panel->g_taskbar.area.paddingy;
+		                          top_bg_border_width(panel->g_taskbar.background[TASKBAR_NORMAL]) +
+		                          panel->g_taskbar.area.paddingy;
 		panel->g_task.area.width = panel->g_task.maximum_width;
-		panel->g_task.area.height = panel->area.height - (2 * panel->g_task.area.posy);
+		panel->g_task.area.height = panel->g_taskbar.area.height -
+		                            top_bottom_bg_border_width(panel->g_taskbar.background[TASKBAR_NORMAL]) -
+		                            2 * panel->g_taskbar.area.paddingy;
 	} else {
 		panel->g_task.area.posx = panel->g_taskbar.area.posx +
-								  panel->g_taskbar.background[TASKBAR_NORMAL]->border.width +
-								  panel->g_taskbar.area.paddingy;
-		panel->g_task.area.width = panel->area.width - (2 * panel->g_task.area.posx);
+		                          left_bg_border_width(panel->g_taskbar.background[TASKBAR_NORMAL]) +
+		                          panel->g_taskbar.area.paddingy;
+		panel->g_task.area.width = panel->g_taskbar.area.width -
+		                           left_right_bg_border_width(panel->g_taskbar.background[TASKBAR_NORMAL]) -
+		                           2 * panel->g_taskbar.area.paddingy;
 		panel->g_task.area.height = panel->g_task.maximum_height;
 	}
 
@@ -247,7 +266,7 @@ void init_taskbar_panel(void *p)
 			panel->g_task.background[j] = &g_array_index(backgrounds, Background, 0);
 		if (panel->g_task.background[j]->border.radius > panel->g_task.area.height / 2) {
 			printf("task%sbackground_id has a too large rounded value. Please fix your tint2rc\n",
-				   j == 0 ? "_" : j == 1 ? "_active_" : j == 2 ? "_iconified_" : "_urgent_");
+			       j == 0 ? "_" : j == 1 ? "_active_" : j == 2 ? "_iconified_" : "_urgent_");
 			g_array_append_val(backgrounds, *panel->g_task.background[j]);
 			panel->g_task.background[j] = &g_array_index(backgrounds, Background, backgrounds->len - 1);
 			panel->g_task.background[j]->border.radius = panel->g_task.area.height / 2;
@@ -257,36 +276,36 @@ void init_taskbar_panel(void *p)
 	// compute vertical position : text and icon
 	int height_ink, height, width;
 	get_text_size2(panel->g_task.font_desc,
-				   &height_ink,
-				   &height,
-				   &width,
-				   panel->area.height,
-				   panel->area.width,
-				   "TAjpg",
-				   5,
-				   PANGO_WRAP_WORD_CHAR,
-				   PANGO_ELLIPSIZE_END,
-				   FALSE);
+	               &height_ink,
+	               &height,
+	               &width,
+	               panel->area.height,
+	               panel->area.width,
+	               "TAjpg",
+	               5,
+	               PANGO_WRAP_WORD_CHAR,
+	               PANGO_ELLIPSIZE_END,
+	               FALSE);
 
-	panel->g_task.text_posx = panel->g_task.background[0]->border.width + panel->g_task.area.paddingxlr;
+	panel->g_task.text_posx = left_bg_border_width(panel->g_task.background[0]) + panel->g_task.area.paddingxlr;
 	panel->g_task.text_height = panel->g_task.area.height - (2 * panel->g_task.area.paddingy);
 	if (panel->g_task.has_icon) {
-		panel->g_task.icon_size1 =
-			MIN(MIN(panel->g_task.maximum_width, panel->g_task.maximum_height),
-				MIN(panel->g_task.area.width, panel->g_task.area.height)) -
-			(2 * panel->g_task.area.paddingy) - 2 * panel->g_task.area.bg->border.width;
+		panel->g_task.icon_size1 = MIN(MIN(panel->g_task.maximum_width, panel->g_task.maximum_height),
+		                               MIN(panel->g_task.area.width, panel->g_task.area.height)) -
+		                           2 * panel->g_task.area.paddingy - MAX(left_right_border_width(&panel->g_task.area),
+		                                                                 top_bottom_border_width(&panel->g_task.area));
 		panel->g_task.text_posx += panel->g_task.icon_size1 + panel->g_task.area.paddingx;
 		panel->g_task.icon_posy = (panel->g_task.area.height - panel->g_task.icon_size1) / 2;
 		if (0)
 			printf("task: icon_size = %d, textx = %f, texth = %f, icony = %d, w = %d, h = %d, maxw = %d, maxh = %d\n",
-				   panel->g_task.icon_size1,
-				   panel->g_task.text_posx,
-				   panel->g_task.text_height,
-				   panel->g_task.icon_posy,
-				   panel->g_task.area.width,
-				   panel->g_task.area.height,
-				   panel->g_task.maximum_width,
-				   panel->g_task.maximum_height);
+			       panel->g_task.icon_size1,
+			       panel->g_task.text_posx,
+			       panel->g_task.text_height,
+			       panel->g_task.icon_posy,
+			       panel->g_task.area.width,
+			       panel->g_task.area.height,
+			       panel->g_task.maximum_width,
+			       panel->g_task.maximum_height);
 	}
 
 	Taskbar *taskbar;
@@ -296,10 +315,16 @@ void init_taskbar_panel(void *p)
 		taskbar = &panel->taskbar[j];
 		memcpy(&taskbar->area, &panel->g_taskbar.area, sizeof(Area));
 		taskbar->desktop = j;
-		if (j == server.desktop)
+		if (j == server.desktop) {
 			taskbar->area.bg = panel->g_taskbar.background[TASKBAR_ACTIVE];
-		else
+			free_area_gradient_instances(&taskbar->area);
+			instantiate_area_gradients(&taskbar->area);
+		} else {
 			taskbar->area.bg = panel->g_taskbar.background[TASKBAR_NORMAL];
+			free_area_gradient_instances(&taskbar->area);
+			instantiate_area_gradients(&taskbar->area);
+		}
+
 	}
 	init_taskbarname_panel(panel);
 }
@@ -341,7 +366,7 @@ void taskbar_default_font_changed()
 			}
 		}
 	}
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void taskbar_remove_task(Window *win)
@@ -394,6 +419,22 @@ void taskbar_refresh_tasklist()
 	XFree(win);
 }
 
+int taskbar_compute_desired_size(void *obj)
+{
+	Taskbar *taskbar = (Taskbar *)obj;
+	Panel *panel = (Panel *)taskbar->area.panel;
+
+	if (taskbar_mode == MULTI_DESKTOP && !taskbar_distribute_size) {
+		int result = 0;
+		for (int i = 0; i < panel->num_desktops; i++) {
+			 Taskbar *t = &panel->taskbar[i];
+			 result = MAX(result, container_compute_desired_size(&t->area));
+		}
+		return result;
+	}
+	return container_compute_desired_size(&taskbar->area);
+}
+
 gboolean resize_taskbar(void *obj)
 {
 	Taskbar *taskbar = (Taskbar *)obj;
@@ -413,36 +454,81 @@ gboolean resize_taskbar(void *obj)
 				break;
 			}
 		}
-		taskbar->text_width =
-			text_width - panel->g_task.text_posx - panel->g_task.area.bg->border.width - panel->g_task.area.paddingxlr;
+		taskbar->text_width = text_width - panel->g_task.text_posx - right_border_width(&panel->g_task.area) -
+		                      panel->g_task.area.paddingxlr;
 	} else {
 		relayout_with_constraint(&taskbar->area, panel->g_task.maximum_height);
 
 		taskbar->text_width = taskbar->area.width - (2 * panel->g_taskbar.area.paddingy) - panel->g_task.text_posx -
-							  panel->g_task.area.bg->border.width - panel->g_task.area.paddingxlr;
+		                      right_border_width(&panel->g_task.area) - panel->g_task.area.paddingxlr;
 	}
 	return FALSE;
 }
 
+gboolean taskbar_is_empty(Taskbar *taskbar)
+{
+	GList *l = taskbar->area.children;
+	if (taskbarname_enabled)
+		l = l->next;
+	for (; l != NULL; l = l->next) {
+		if (((Task *)l->data)->area.on_screen) {
+			return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+void update_taskbar_visibility(Taskbar *taskbar)
+{
+	if (taskbar->desktop == server.desktop) {
+		// Taskbar for current desktop is always shown
+		show(&taskbar->area);
+	} else if (taskbar_mode == MULTI_DESKTOP) {
+		if (hide_taskbar_if_empty) {
+			if (taskbar_is_empty(taskbar)) {
+				hide(&taskbar->area);
+			} else {
+				show(&taskbar->area);
+			}
+		} else {
+			show(&taskbar->area);
+		}
+	} else {
+		hide(&taskbar->area);
+	}
+}
+
+void update_all_taskbars_visibility()
+{
+	for (int i = 0; i < num_panels; i++) {
+		Panel *panel = &panels[i];
+		for (int j = 0; j < panel->num_desktops; j++) {
+			update_taskbar_visibility(&panel->taskbar[j]);
+		}
+	}
+}
+
 void set_taskbar_state(Taskbar *taskbar, TaskbarState state)
 {
 	taskbar->area.bg = panels[0].g_taskbar.background[state];
+	free_area_gradient_instances(&taskbar->area);
+	instantiate_area_gradients(&taskbar->area);
+
 	if (taskbarname_enabled) {
 		taskbar->bar_name.area.bg = panels[0].g_taskbar.background_name[state];
+		free_area_gradient_instances(&taskbar->bar_name.area);
+		instantiate_area_gradients(&taskbar->bar_name.area);
 	}
-	if (taskbar_mode != MULTI_DESKTOP) {
-		if (state == TASKBAR_NORMAL)
-			taskbar->area.on_screen = FALSE;
-		else
-			taskbar->area.on_screen = TRUE;
-	}
+
+	update_taskbar_visibility(taskbar);
+
 	if (taskbar->area.on_screen) {
 		schedule_redraw(&taskbar->area);
 		if (taskbarname_enabled) {
 			schedule_redraw(&taskbar->bar_name.area);
 		}
 		if (taskbar_mode == MULTI_DESKTOP &&
-			panels[0].g_taskbar.background[TASKBAR_NORMAL] != panels[0].g_taskbar.background[TASKBAR_ACTIVE]) {
+		    panels[0].g_taskbar.background[TASKBAR_NORMAL] != panels[0].g_taskbar.background[TASKBAR_ACTIVE]) {
 			GList *l = taskbar->area.children;
 			if (taskbarname_enabled)
 				l = l->next;
@@ -450,23 +536,7 @@ void set_taskbar_state(Taskbar *taskbar, TaskbarState state)
 				schedule_redraw((Area *)l->data);
 		}
 	}
-	panel_refresh = TRUE;
-}
-
-void update_taskbar_visibility(void *p)
-{
-	Panel *panel = (Panel *)p;
-
-	for (int j = 0; j < panel->num_desktops; j++) {
-		Taskbar *taskbar = &panel->taskbar[j];
-		if (taskbar_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
-			// SINGLE_DESKTOP and not current desktop
-			taskbar->area.on_screen = FALSE;
-		} else {
-			taskbar->area.on_screen = TRUE;
-		}
-	}
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 #define NONTRIVIAL 2
@@ -486,7 +556,7 @@ gint compare_tasks_trivial(Task *a, Task *b, Taskbar *taskbar)
 gboolean contained_within(Task *a, Task *b)
 {
 	if ((a->win_x <= b->win_x) && (a->win_y <= b->win_y) && (a->win_x + a->win_w >= b->win_x + b->win_w) &&
-		(a->win_y + a->win_h >= b->win_y + b->win_h)) {
+	    (a->win_y + a->win_h >= b->win_y + b->win_h)) {
 		return TRUE;
 	}
 	return FALSE;
@@ -579,7 +649,7 @@ void sort_tasks(Taskbar *taskbar)
 
 	taskbar->area.children = g_list_sort_with_data(taskbar->area.children, (GCompareDataFunc)compare_tasks, taskbar);
 	taskbar->area.resize_needed = TRUE;
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 	((Panel *)taskbar->area.panel)->area.resize_needed = TRUE;
 }
 

src/taskbar/taskbar.h

@@ -43,12 +43,15 @@ typedef struct GlobalTaskbar {
 	Area area_name;
 	Background *background[TASKBAR_STATE_COUNT];
 	Background *background_name[TASKBAR_STATE_COUNT];
+	GList *gradient[TASKBAR_STATE_COUNT];
+	GList *gradient_name[TASKBAR_STATE_COUNT];
 } GlobalTaskbar;
 
 extern gboolean taskbar_enabled;
 extern gboolean taskbar_distribute_size;
 extern gboolean hide_inactive_tasks;
 extern gboolean hide_task_diff_monitor;
+extern gboolean hide_taskbar_if_empty;
 extern gboolean always_show_all_desktop_tasks;
 extern TaskbarSortMethod taskbar_sort_method;
 extern Alignment taskbar_alignment;
@@ -79,10 +82,11 @@ Task *get_task(Window win);
 // However for windows shown on all desktops, there are multiple buttons, one for each taskbar.
 GPtrArray *get_task_buttons(Window win);
 
+// Change state of a taskbar (ACTIVE or NORMAL)
 void set_taskbar_state(Taskbar *taskbar, TaskbarState state);
 
-// Updates the visibility of each taskbar when the current desktop changes.
-void update_taskbar_visibility(void *p);
+// Updates the visibility of all taskbars
+void update_all_taskbars_visibility();
 
 // Sorts the taskbar(s) on which the window is present.
 void sort_taskbar_for_win(Window win);

src/taskbar/taskbarname.c

@@ -37,6 +37,7 @@ Color taskbarname_font;
 Color taskbarname_active_font;
 
 void taskbarname_init_fonts();
+int taskbarname_compute_desired_size(void *obj);
 
 void default_taskbarname()
 {
@@ -60,10 +61,12 @@ void init_taskbarname_panel(void *p)
 		taskbar->bar_name.area.parent = taskbar;
 		taskbar->bar_name.area.has_mouse_over_effect = panel_config.mouse_effects;
 		taskbar->bar_name.area.has_mouse_press_effect = panel_config.mouse_effects;
-		if (j == server.desktop)
+		taskbar->bar_name.area._compute_desired_size = taskbarname_compute_desired_size;
+		if (j == server.desktop) {
 			taskbar->bar_name.area.bg = panel->g_taskbar.background_name[TASKBAR_ACTIVE];
-		else
+		} else {
 			taskbar->bar_name.area.bg = panel->g_taskbar.background_name[TASKBAR_NORMAL];
+		}
 
 		// use desktop number if name is missing
 		if (l) {
@@ -75,6 +78,7 @@ void init_taskbarname_panel(void *p)
 
 		// append the name at the beginning of taskbar
 		taskbar->area.children = g_list_append(taskbar->area.children, &taskbar->bar_name);
+		instantiate_area_gradients(&taskbar->bar_name.area);
 	}
 
 	for (l = list; l; l = l->next)
@@ -109,7 +113,7 @@ void taskbarname_default_font_changed()
 			schedule_redraw(&taskbar->bar_name.area);
 		}
 	}
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void cleanup_taskbarname()
@@ -126,14 +130,11 @@ void cleanup_taskbarname()
 	}
 }
 
-gboolean resize_taskbarname(void *obj)
+int taskbarname_compute_desired_size(void *obj)
 {
-	TaskbarName *taskbar_name = obj;
-	Panel *panel = taskbar_name->area.panel;
+	TaskbarName *taskbar_name = (TaskbarName *)obj;
+	Panel *panel = (Panel *)taskbar_name->area.panel;
 	int name_height, name_width, name_height_ink;
-	gboolean result = FALSE;
-
-	schedule_redraw(&taskbar_name->area);
 	get_text_size2(panel_config.taskbarname_font_desc,
 				   &name_height_ink,
 				   &name_height,
@@ -147,14 +148,41 @@ gboolean resize_taskbarname(void *obj)
 				   FALSE);
 
 	if (panel_horizontal) {
-		int new_size = name_width + (2 * (taskbar_name->area.paddingxlr + taskbar_name->area.bg->border.width));
+		return name_width + 2 * taskbar_name->area.paddingxlr + left_right_border_width(&taskbar_name->area);
+	} else {
+		return name_height + 2 * taskbar_name->area.paddingxlr + top_bottom_border_width(&taskbar_name->area);
+	}
+}
+
+gboolean resize_taskbarname(void *obj)
+{
+	TaskbarName *taskbar_name = (TaskbarName *)obj;
+	Panel *panel = (Panel *)taskbar_name->area.panel;
+
+	schedule_redraw(&taskbar_name->area);
+
+	int name_height, name_width, name_height_ink;
+	get_text_size2(panel_config.taskbarname_font_desc,
+				   &name_height_ink,
+				   &name_height,
+				   &name_width,
+				   panel->area.height,
+				   panel->area.width,
+				   taskbar_name->name,
+				   strlen(taskbar_name->name),
+				   PANGO_WRAP_WORD_CHAR,
+				   PANGO_ELLIPSIZE_NONE,
+				   FALSE);
+
+	gboolean result = FALSE;
+	int new_size = taskbarname_compute_desired_size(obj);
+	if (panel_horizontal) {
 		if (new_size != taskbar_name->area.width) {
 			taskbar_name->area.width = new_size;
 			taskbar_name->posy = (taskbar_name->area.height - name_height) / 2;
 			result = TRUE;
 		}
 	} else {
-		int new_size = name_height + (2 * (taskbar_name->area.paddingxlr + taskbar_name->area.bg->border.width));
 		if (new_size != taskbar_name->area.height) {
 			taskbar_name->area.height = new_size;
 			taskbar_name->posy = (taskbar_name->area.height - name_height) / 2;

src/tint.c

@@ -18,6 +18,7 @@
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 **************************************************************************/
 
+#include <errno.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -36,10 +37,10 @@
 #include <pwd.h>
 #include <time.h>
 #include <sys/time.h>
+#include <sys/wait.h>
 
 #ifdef HAVE_SN
 #include <libsn/sn.h>
-#include <sys/wait.h>
 #endif
 
 #include <version.h>
@@ -78,6 +79,86 @@ XSettingsClient *xsettings_client = NULL;
 timeout *detect_compositor_timer = NULL;
 int detect_compositor_timer_counter = 0;
 
+gboolean debug_fps = FALSE;
+gboolean debug_frames = FALSE;
+float *fps_distribution = NULL;
+int frame = 0;
+
+void create_fps_distribution()
+{
+	// measure FPS with resolution:
+	// 0-59: 1		   (60 samples)
+	// 60-199: 10      (14)
+	// 200-1,999: 25   (72)
+	// 1k-19,999: 1000 (19)
+	// 20x+: inf       (1)
+	// => 166 samples
+	if (fps_distribution)
+		return;
+	fps_distribution = calloc(170, sizeof(float));
+}
+
+void cleanup_fps_distribution()
+{
+	free(fps_distribution);
+	fps_distribution = NULL;
+}
+
+void sample_fps(double fps)
+{
+	int fps_rounded = (int)(fps + 0.5);
+	int i = 1;
+	if (fps_rounded < 60) {
+		i += fps_rounded;
+	} else {
+		i += 60;
+		if (fps_rounded < 200) {
+			i += (fps_rounded - 60) / 10;
+		} else {
+			i += 14;
+			if (fps_rounded < 2000) {
+				i += (fps_rounded - 200) / 25;
+			} else {
+				i += 72;
+				if (fps_rounded < 20000) {
+					i += (fps_rounded - 2000) / 1000;
+				} else {
+					i += 20;
+				}
+			}
+		}
+	}
+	// fprintf(stderr, "fps = %.0f => i = %d\n", fps, i);
+	fps_distribution[i] += 1.;
+	fps_distribution[0] += 1.;
+}
+
+void fps_compute_stats(double *low, double *median, double *high, double *samples)
+{
+	*median = *low = *high = *samples = -1;
+	if (!fps_distribution || fps_distribution[0] < 1)
+		return;
+	float total = fps_distribution[0];
+	*samples = (double) fps_distribution[0];
+	float cum_low = 0.05f * total;
+	float cum_median = 0.5f * total;
+	float cum_high = 0.95f * total;
+	float cum = 0;
+	for (int i = 1; i <= 166; i++) {
+		double value =
+			(i < 60) ? i : (i < 74) ? (60 + (i - 60) * 10) : (i < 146) ? (200 + (i - 74) * 25)
+																	  : (i < 165) ? (2000 + (i - 146) * 1000) : 20000;
+		// fprintf(stderr, "%6.0f (i = %3d) : %.0f | ", value, i, (double)fps_distribution[i]);
+		cum += fps_distribution[i];
+		if (*low < 0 && cum >= cum_low)
+			*low = value;
+		if (*median < 0 && cum >= cum_median)
+			*median = value;
+		if (*high < 0 && cum >= cum_high)
+			*high = value;
+	}
+}
+
 void detect_compositor(void *arg)
 {
 	if (server.composite_manager) {
@@ -343,7 +424,20 @@ void init(int argc, char *argv[])
 			}
 		} else if (i + 1 == argc) {
 			config_path = strdup(argv[i]);
-		} else {
+		}
+#ifdef ENABLE_BATTERY
+		  else if (strcmp(argv[i], "--battery-sys-prefix") == 0) {
+			if (i + 1 < argc) {
+				i++;
+				battery_sys_prefix = strdup(argv[i]);
+			} else {
+				error = 1;
+			}
+		}
+#endif
+
+
+		else {
 			error = 1;
 		}
 		if (error) {
@@ -372,10 +466,17 @@ void init(int argc, char *argv[])
 	sigaction(SIGABRT, &sa_crash, 0);
 	sigaction(SIGSYS, &sa_crash, 0);
 #endif
+
+	debug_geometry = getenv("DEBUG_GEOMETRY") != NULL;
+	debug_gradients = getenv("DEBUG_GRADIENTS") != NULL;
+	debug_fps = getenv("DEBUG_FPS") != NULL;
+	debug_frames = getenv("DEBUG_FRAMES") != NULL;
+	if (debug_fps)
+		create_fps_distribution();
 }
 
-static int sn_pipe_valid = 0;
-static int sn_pipe[2];
+static int sigchild_pipe_valid = FALSE;
+static int sigchild_pipe[2];
 
 #ifdef HAVE_SN
 static int error_trap_depth = 0;
@@ -395,50 +496,41 @@ static void error_trap_pop(SnDisplay *display, Display *xdisplay)
 	XSync(xdisplay, False); /* get all errors out of the queue */
 	--error_trap_depth;
 }
+#endif // HAVE_SN
 
 static void sigchld_handler(int sig)
 {
-	if (!startup_notifications)
+	if (!sigchild_pipe_valid)
 		return;
-	if (!sn_pipe_valid)
-		return;
-	ssize_t wur = write(sn_pipe[1], "x", 1);
-	(void)wur;
-	fsync(sn_pipe[1]);
+	int savedErrno = errno;
+	ssize_t unused = write(sigchild_pipe[1], "x", 1);
+	(void)unused;
+	fsync(sigchild_pipe[1]);
+	errno = savedErrno;
 }
 
 static void sigchld_handler_async()
 {
-	if (!startup_notifications)
-		return;
 	// Wait for all dead processes
 	pid_t pid;
-	while ((pid = waitpid(-1, NULL, WNOHANG)) > 0) {
-		SnLauncherContext *ctx;
-		ctx = (SnLauncherContext *)g_tree_lookup(server.pids, GINT_TO_POINTER(pid));
+	int status;
+	while ((pid = waitpid(-1, &status, WNOHANG)) != -1 && pid != 0) {
+#ifdef HAVE_SN
+		SnLauncherContext *ctx = (SnLauncherContext *)g_tree_lookup(server.pids, GINT_TO_POINTER(pid));
 		if (ctx) {
 			g_tree_remove(server.pids, GINT_TO_POINTER(pid));
 			sn_launcher_context_complete(ctx);
 			sn_launcher_context_unref(ctx);
 		}
+#endif
+		for (GList *l = panel_config.execp_list; l; l = l->next) {
+			Execp *execp = (Execp *)l->data;
+			if (g_tree_lookup(execp->backend->cmd_pids, GINT_TO_POINTER(pid)))
+				execp_cmd_completed(execp, pid);
+		}
 	}
 }
 
-static gint cmp_ptr(gconstpointer a, gconstpointer b)
-{
-	if (a < b)
-		return -1;
-	else if (a == b)
-		return 0;
-	else
-		return 1;
-}
-#else
-static void sigchld_handler_async()
-{
-}
-#endif // HAVE_SN
-
 void init_X11_pre_config()
 {
 	server.display = XOpenDisplay(NULL);
@@ -471,27 +563,37 @@ void init_X11_pre_config()
 
 void init_X11_post_config()
 {
+	if (primary_monitor_first)
+		sort_monitors();
+
 	server_init_visual();
 
+	gboolean need_sigchld = FALSE;
 #ifdef HAVE_SN
 	// Initialize startup-notification
 	if (startup_notifications) {
 		server.sn_display = sn_display_new(server.display, error_trap_push, error_trap_pop);
 		server.pids = g_tree_new(cmp_ptr);
+		need_sigchld = TRUE;
+	}
+#endif // HAVE_SN
+	if (panel_config.execp_list)
+		need_sigchld = TRUE;
+
+	if (need_sigchld) {
 		// Setup a handler for child termination
-		if (pipe(sn_pipe) != 0) {
+		if (pipe(sigchild_pipe) != 0) {
 			fprintf(stderr, "Creating pipe failed.\n");
 		} else {
-			fcntl(sn_pipe[0], F_SETFL, O_NONBLOCK | fcntl(sn_pipe[0], F_GETFL));
-			fcntl(sn_pipe[1], F_SETFL, O_NONBLOCK | fcntl(sn_pipe[1], F_GETFL));
-			sn_pipe_valid = 1;
-			struct sigaction act = {.sa_handler = sigchld_handler, .sa_flags = SA_NOCLDWAIT | SA_RESTART};
+			fcntl(sigchild_pipe[0], F_SETFL, O_NONBLOCK | fcntl(sigchild_pipe[0], F_GETFL));
+			fcntl(sigchild_pipe[1], F_SETFL, O_NONBLOCK | fcntl(sigchild_pipe[1], F_GETFL));
+			sigchild_pipe_valid = 1;
+			struct sigaction act = {.sa_handler = sigchld_handler, .sa_flags = SA_RESTART};
 			if (sigaction(SIGCHLD, &act, 0)) {
 				perror("sigaction");
 			}
 		}
 	}
-#endif // HAVE_SN
 
 	imlib_context_set_display(server.display);
 	imlib_context_set_visual(server.visual);
@@ -507,8 +609,8 @@ void init_X11_post_config()
 	}
 	if (!default_icon) {
 		fprintf(stderr,
-				RED "Could not load default_icon.png. Please check that tint2 has been installed correctly!" RESET
-					"\n");
+		        RED "Could not load default_icon.png. Please check that tint2 has been installed correctly!" RESET
+		            "\n");
 	}
 }
 
@@ -541,32 +643,18 @@ void cleanup()
 		XCloseDisplay(server.display);
 	server.display = NULL;
 
-#ifdef HAVE_SN
-	if (startup_notifications) {
-		if (sn_pipe_valid) {
-			sn_pipe_valid = 0;
-			close(sn_pipe[1]);
-			close(sn_pipe[0]);
-		}
+	if (sigchild_pipe_valid) {
+		sigchild_pipe_valid = FALSE;
+		close(sigchild_pipe[1]);
+		close(sigchild_pipe[0]);
 	}
-#endif
 
 	uevent_cleanup();
+	cleanup_fps_distribution();
 }
 
-void get_snapshot(const char *path)
+void dump_panel_to_file(const Panel *panel, const char *path)
 {
-	Panel *panel = &panels[0];
-
-	if (panel->area.width > server.monitors[0].width)
-		panel->area.width = server.monitors[0].width;
-
-	panel->temp_pmap =
-		XCreatePixmap(server.display, server.root_win, panel->area.width, panel->area.height, server.depth);
-	render_panel(panel);
-
-	XSync(server.display, False);
-
 	imlib_context_set_drawable(panel->temp_pmap);
 	Imlib_Image img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 1);
 
@@ -575,7 +663,7 @@ void get_snapshot(const char *path)
 			XGetImage(server.display, panel->temp_pmap, 0, 0, panel->area.width, panel->area.height, AllPlanes, ZPixmap);
 
 		if (ximg) {
-			DATA32 *pixels = calloc(panel->area.width * panel->area.height, sizeof(DATA32));
+			DATA32 *pixels = (DATA32 *)calloc(panel->area.width * panel->area.height, sizeof(DATA32));
 			for (int x = 0; x < panel->area.width; x++) {
 				for (int y = 0; y < panel->area.height; y++) {
 					DATA32 xpixel = XGetPixel(ximg, x, y);
@@ -606,6 +694,22 @@ void get_snapshot(const char *path)
 	}
 }
 
+void get_snapshot(const char *path)
+{
+	Panel *panel = &panels[0];
+
+	if (panel->area.width > server.monitors[0].width)
+		panel->area.width = server.monitors[0].width;
+
+	panel->temp_pmap =
+	    XCreatePixmap(server.display, server.root_win, panel->area.width, panel->area.height, server.depth);
+	render_panel(panel);
+
+	XSync(server.display, False);
+
+	dump_panel_to_file(panel, path);
+}
+
 void window_action(Task *task, MouseAction action)
 {
 	if (!task)
@@ -674,8 +778,8 @@ int tint2_handles_click(Panel *panel, XButtonEvent *e)
 	Task *task = click_task(panel, e->x, e->y);
 	if (task) {
 		if ((e->button == 1 && mouse_left != 0) || (e->button == 2 && mouse_middle != 0) ||
-			(e->button == 3 && mouse_right != 0) || (e->button == 4 && mouse_scroll_up != 0) ||
-			(e->button == 5 && mouse_scroll_down != 0)) {
+		    (e->button == 3 && mouse_right != 0) || (e->button == 4 && mouse_scroll_up != 0) ||
+		    (e->button == 5 && mouse_scroll_down != 0)) {
 			return 1;
 		} else
 			return 0;
@@ -694,8 +798,8 @@ int tint2_handles_click(Panel *panel, XButtonEvent *e)
 		return 1;
 	if (click_clock(panel, e->x, e->y)) {
 		if ((e->button == 1 && clock_lclick_command) || (e->button == 2 && clock_mclick_command) ||
-			(e->button == 3 && clock_rclick_command) || (e->button == 4 && clock_uwheel_command) ||
-			(e->button == 5 && clock_dwheel_command))
+		    (e->button == 3 && clock_rclick_command) || (e->button == 4 && clock_uwheel_command) ||
+		    (e->button == 5 && clock_dwheel_command))
 			return 1;
 		else
 			return 0;
@@ -703,8 +807,8 @@ int tint2_handles_click(Panel *panel, XButtonEvent *e)
 #ifdef ENABLE_BATTERY
 	if (click_battery(panel, e->x, e->y)) {
 		if ((e->button == 1 && battery_lclick_command) || (e->button == 2 && battery_mclick_command) ||
-			(e->button == 3 && battery_rclick_command) || (e->button == 4 && battery_uwheel_command) ||
-			(e->button == 5 && battery_dwheel_command))
+		    (e->button == 3 && battery_rclick_command) || (e->button == 4 && battery_uwheel_command) ||
+		    (e->button == 5 && battery_dwheel_command))
 			return 1;
 		else
 			return 0;
@@ -773,7 +877,7 @@ void event_button_motion_notify(XEvent *e)
 					task_iter->data = drag_iter->data;
 					drag_iter->data = temp;
 					event_taskbar->area.resize_needed = 1;
-					panel_refresh = TRUE;
+					schedule_panel_redraw();
 					task_dragged = 1;
 				}
 			}
@@ -804,7 +908,7 @@ void event_button_motion_notify(XEvent *e)
 		event_taskbar->area.resize_needed = 1;
 		drag_taskbar->area.resize_needed = 1;
 		task_dragged = 1;
-		panel_refresh = TRUE;
+		schedule_panel_redraw();
 		panel->area.resize_needed = 1;
 	}
 }
@@ -904,7 +1008,7 @@ void event_button_release(XEvent *e)
 	if (taskbar_mode == MULTI_DESKTOP) {
 		gboolean diff_desktop = FALSE;
 		if (taskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT &&
-			action != DESKTOP_RIGHT) {
+		    action != DESKTOP_RIGHT) {
 			diff_desktop = TRUE;
 			change_desktop(taskbar->desktop);
 		}
@@ -959,7 +1063,7 @@ void update_desktop_names()
 	for (GSList *l = list; l; l = l->next)
 		g_free(l->data);
 	g_slist_free(list);
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void update_task_desktop(Task *task)
@@ -969,7 +1073,7 @@ void update_task_desktop(Task *task)
 	remove_task(task);
 	task = add_task(win);
 	reset_active_task();
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void event_property_notify(XEvent *e)
@@ -1003,8 +1107,8 @@ void event_property_notify(XEvent *e)
 		}
 		// Change desktops
 		else if (at == server.atom._NET_NUMBER_OF_DESKTOPS || at == server.atom._NET_DESKTOP_GEOMETRY ||
-				 at == server.atom._NET_DESKTOP_VIEWPORT || at == server.atom._NET_WORKAREA ||
-				 at == server.atom._NET_CURRENT_DESKTOP) {
+		         at == server.atom._NET_DESKTOP_VIEWPORT || at == server.atom._NET_WORKAREA ||
+		         at == server.atom._NET_CURRENT_DESKTOP) {
 			if (debug)
 				fprintf(stderr, "%s %d: win = root, atom = ?? desktops changed\n", __FUNCTION__, __LINE__);
 			if (!taskbar_enabled)
@@ -1013,7 +1117,7 @@ void event_property_notify(XEvent *e)
 			int old_desktop = server.desktop;
 			server_get_number_of_desktops();
 			server.desktop = get_current_desktop();
-			if (old_num_desktops != server.num_desktops) {
+			if (old_num_desktops != server.num_desktops) { // If number of desktop changed
 				if (server.num_desktops <= server.desktop) {
 					server.desktop = server.num_desktops - 1;
 				}
@@ -1022,13 +1126,16 @@ void event_property_notify(XEvent *e)
 				for (int i = 0; i < num_panels; i++) {
 					init_taskbar_panel(&panels[i]);
 					set_panel_items_order(&panels[i]);
-					update_taskbar_visibility(&panels[i]);
 					panels[i].area.resize_needed = 1;
 				}
 				taskbar_refresh_tasklist();
 				reset_active_task();
-				panel_refresh = TRUE;
+				update_all_taskbars_visibility();
+				if (old_desktop != server.desktop)
+					tooltip_trigger_hide();
+				schedule_panel_redraw();
 			} else if (old_desktop != server.desktop) {
+				tooltip_trigger_hide();
 				for (int i = 0; i < num_panels; i++) {
 					Panel *panel = &panels[i];
 					set_taskbar_state(&panel->taskbar[old_desktop], TASKBAR_NORMAL);
@@ -1045,7 +1152,7 @@ void event_property_notify(XEvent *e)
 							if (task->desktop == ALL_DESKTOPS) {
 								task->area.on_screen = always_show_all_desktop_tasks;
 								taskbar->area.resize_needed = 1;
-								panel_refresh = TRUE;
+								schedule_panel_redraw();
 								if (taskbar_mode == MULTI_DESKTOP)
 									panel->area.resize_needed = 1;
 							}
@@ -1095,14 +1202,15 @@ void event_property_notify(XEvent *e)
 			if (debug)
 				fprintf(stderr, "%s %d: win = root, atom = _NET_CLIENT_LIST\n", __FUNCTION__, __LINE__);
 			taskbar_refresh_tasklist();
-			panel_refresh = TRUE;
+			update_all_taskbars_visibility();
+			schedule_panel_redraw();
 		}
 		// Change active
 		else if (at == server.atom._NET_ACTIVE_WINDOW) {
 			if (debug)
 				fprintf(stderr, "%s %d: win = root, atom = _NET_ACTIVE_WINDOW\n", __FUNCTION__, __LINE__);
 			reset_active_task();
-			panel_refresh = TRUE;
+			schedule_panel_redraw();
 		} else if (at == server.atom._XROOTPMAP_ID || at == server.atom._XROOTMAP_ID) {
 			if (debug)
 				fprintf(stderr, "%s %d: win = root, atom = _XROOTPMAP_ID\n", __FUNCTION__, __LINE__);
@@ -1110,7 +1218,7 @@ void event_property_notify(XEvent *e)
 			for (int i = 0; i < num_panels; i++) {
 				set_panel_background(&panels[i]);
 			}
-			panel_refresh = TRUE;
+			schedule_panel_redraw();
 		}
 	} else {
 		TrayWindow *traywin = systray_find_icon(win);
@@ -1123,12 +1231,12 @@ void event_property_notify(XEvent *e)
 		if (debug) {
 			char *atom_name = XGetAtomName(server.display, at);
 			fprintf(stderr,
-					"%s %d: win = %ld, task = %s, atom = %s\n",
-					__FUNCTION__,
-					__LINE__,
-					win,
-					task ? (task->title ? task->title : "??") : "null",
-					atom_name);
+			        "%s %d: win = %ld, task = %s, atom = %s\n",
+			        __FUNCTION__,
+			        __LINE__,
+			        win,
+			        task ? (task->title ? task->title : "??") : "null",
+			        atom_name);
 			XFree(atom_name);
 		}
 		if (!task) {
@@ -1141,7 +1249,7 @@ void event_property_notify(XEvent *e)
 				XGetWindowAttributes(server.display, win, &wa);
 				if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 					if ((task = add_task(win)))
-						panel_refresh = TRUE;
+						schedule_panel_redraw();
 				}
 			}
 			return;
@@ -1157,7 +1265,7 @@ void event_property_notify(XEvent *e)
 				}
 				if (taskbar_sort_method == TASKBAR_SORT_TITLE)
 					sort_taskbar_for_win(win);
-				panel_refresh = TRUE;
+				schedule_panel_redraw();
 			}
 		}
 		// Demand attention
@@ -1177,7 +1285,7 @@ void event_property_notify(XEvent *e)
 			}
 			if (window_is_skip_taskbar(win)) {
 				remove_task(task);
-				panel_refresh = TRUE;
+				schedule_panel_redraw();
 			}
 		} else if (at == server.atom.WM_STATE) {
 			// Iconic state
@@ -1185,12 +1293,12 @@ void event_property_notify(XEvent *e)
 			if (window_is_iconified(win))
 				state = TASK_ICONIFIED;
 			set_task_state(task, state);
-			panel_refresh = TRUE;
+			schedule_panel_redraw();
 		}
 		// Window icon changed
 		else if (at == server.atom._NET_WM_ICON) {
 			task_update_icon(task);
-			panel_refresh = TRUE;
+			schedule_panel_redraw();
 		}
 		// Window desktop changed
 		else if (at == server.atom._NET_WM_DESKTOP) {
@@ -1206,6 +1314,8 @@ void event_property_notify(XEvent *e)
 				add_urgent(task);
 			}
 			XFree(wmhints);
+			task_update_icon(task);
+			schedule_panel_redraw();
 		}
 
 		if (!server.got_root_win)
@@ -1220,7 +1330,7 @@ void event_expose(XEvent *e)
 	if (!panel)
 		return;
 	// TODO : one panel_refresh per panel ?
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void event_configure_notify(XEvent *e)
@@ -1230,19 +1340,19 @@ void event_configure_notify(XEvent *e)
 	if (0) {
 		Task *task = get_task(win);
 		fprintf(stderr,
-				"%s %d: win = %ld, task = %s\n",
-				__FUNCTION__,
-				__LINE__,
-				win,
-				task ? (task->title ? task->title : "??") : "null");
+		        "%s %d: win = %ld, task = %s\n",
+		        __FUNCTION__,
+		        __LINE__,
+		        win,
+		        task ? (task->title ? task->title : "??") : "null");
 	}
 
 	// change in root window (xrandr)
 	if (win == server.root_win) {
 		fprintf(stderr,
-				YELLOW "%s %d: triggering tint2 restart due to configuration change in the root window" RESET "\n",
-				__FILE__,
-				__LINE__);
+		        YELLOW "%s %d: triggering tint2 restart due to configuration change in the root window" RESET "\n",
+		        __FILE__,
+		        __LINE__);
 		signal_pending = SIGUSR1;
 		return;
 	}
@@ -1260,15 +1370,15 @@ void event_configure_notify(XEvent *e)
 			Panel *p = task->area.panel;
 			int monitor = get_window_monitor(win);
 			if ((hide_task_diff_monitor && p->monitor != monitor && task->area.on_screen) ||
-				(hide_task_diff_monitor && p->monitor == monitor && !task->area.on_screen) ||
-				(p->monitor != monitor && num_panels > 1)) {
+			    (hide_task_diff_monitor && p->monitor == monitor && !task->area.on_screen) ||
+			    (p->monitor != monitor && num_panels > 1)) {
 				remove_task(task);
 				task = add_task(win);
 				if (win == get_active_window()) {
 					set_task_state(task, TASK_ACTIVE);
 					active_task = task;
 				}
-				panel_refresh = TRUE;
+				schedule_panel_redraw();
 			}
 		}
 	}
@@ -1317,17 +1427,17 @@ struct Property read_property(Display *disp, Window w, Atom property)
 		if (ret != 0)
 			XFree(ret);
 		XGetWindowProperty(disp,
-						   w,
-						   property,
-						   0,
-						   read_bytes,
-						   False,
-						   AnyPropertyType,
-						   &actual_type,
-						   &actual_format,
-						   &nitems,
-						   &bytes_after,
-						   &ret);
+		                   w,
+		                   property,
+		                   0,
+		                   read_bytes,
+		                   False,
+		                   AnyPropertyType,
+		                   &actual_type,
+		                   &actual_format,
+		                   &nitems,
+		                   &bytes_after,
+		                   &ret);
 		read_bytes *= 2;
 	} while (bytes_after != 0);
 
@@ -1483,18 +1593,18 @@ void dnd_drop(XClientMessageEvent *e)
 	if (dnd_target_window && dnd_launcher_exec) {
 		if (dnd_version >= 1) {
 			XConvertSelection(server.display,
-							  server.atom.XdndSelection,
-							  XA_STRING,
-							  dnd_selection,
-							  dnd_target_window,
-							  e->data.l[2]);
+			                  server.atom.XdndSelection,
+			                  XA_STRING,
+			                  dnd_selection,
+			                  dnd_target_window,
+			                  e->data.l[2]);
 		} else {
 			XConvertSelection(server.display,
-							  server.atom.XdndSelection,
-							  XA_STRING,
-							  dnd_selection,
-							  dnd_target_window,
-							  CurrentTime);
+			                  server.atom.XdndSelection,
+			                  XA_STRING,
+			                  dnd_selection,
+			                  dnd_target_window,
+			                  CurrentTime);
 		}
 	} else {
 		// The source is sending anyway, despite instructions to the contrary.
@@ -1522,8 +1632,8 @@ start:
 
 	if (!config_read()) {
 		fprintf(stderr,
-				"Could not read config file.\n"
-				"Usage: tint2 [[-c] <config_file>]\n");
+		        "Could not read config file.\n"
+		        "Usage: tint2 [[-c] <config_file>]\n");
 		cleanup();
 		exit(1);
 	}
@@ -1556,69 +1666,74 @@ start:
 	int ufd = uevent_init();
 	int hidden_dnd = 0;
 
+	double ts_event_read = 0;
+	double ts_event_processed = 0;
+	double ts_render_finished = 0;
+	double ts_flush_finished = 0;
+	gboolean first_render = TRUE;
 	while (1) {
 		if (panel_refresh) {
+			if (debug_fps)
+				ts_event_processed = get_time();
 			if (systray_profile)
 				fprintf(stderr,
-						BLUE "[%f] %s:%d redrawing panel" RESET "\n",
-						profiling_get_time(),
-						__FUNCTION__,
-						__LINE__);
+				        BLUE "[%f] %s:%d redrawing panel" RESET "\n",
+				        profiling_get_time(),
+				        __FUNCTION__,
+				        __LINE__);
 			panel_refresh = FALSE;
 
 			for (int i = 0; i < num_panels; i++) {
 				Panel *panel = &panels[i];
+				if (!first_render)
+					shrink_panel(panel);
+
+				if (!panel->is_hidden || panel->area.resize_needed) {
+					if (panel->temp_pmap)
+						XFreePixmap(server.display, panel->temp_pmap);
+					panel->temp_pmap = XCreatePixmap(server.display,
+					                                 server.root_win,
+					                                 panel->area.width,
+					                                 panel->area.height,
+					                                 server.depth);
+					render_panel(panel);
+				}
 
 				if (panel->is_hidden) {
 					if (!panel->hidden_pixmap) {
 						panel->hidden_pixmap = XCreatePixmap(server.display,
-															 server.root_win,
-															 panel->hidden_width,
-															 panel->hidden_height,
-															 server.depth);
+						                                     server.root_win,
+						                                     panel->hidden_width,
+						                                     panel->hidden_height,
+						                                     server.depth);
 						int xoff = 0, yoff = 0;
 						if (panel_horizontal && panel_position & BOTTOM)
 							yoff = panel->area.height - panel->hidden_height;
 						else if (!panel_horizontal && panel_position & RIGHT)
 							xoff = panel->area.width - panel->hidden_width;
 						XCopyArea(server.display,
-								  panel->area.pix,
-								  panel->hidden_pixmap,
-								  server.gc,
-								  xoff,
-								  yoff,
-								  panel->hidden_width,
-								  panel->hidden_height,
-								  0,
-								  0);
+						          panel->area.pix,
+						          panel->hidden_pixmap,
+						          server.gc,
+						          xoff,
+						          yoff,
+						          panel->hidden_width,
+						          panel->hidden_height,
+						          0,
+						          0);
 					}
 					XCopyArea(server.display,
-							  panel->hidden_pixmap,
-							  panel->main_win,
-							  server.gc,
-							  0,
-							  0,
-							  panel->hidden_width,
-							  panel->hidden_height,
-							  0,
-							  0);
+					          panel->hidden_pixmap,
+					          panel->main_win,
+					          server.gc,
+					          0,
+					          0,
+					          panel->hidden_width,
+					          panel->hidden_height,
+					          0,
+					          0);
 					XSetWindowBackgroundPixmap(server.display, panel->main_win, panel->hidden_pixmap);
 				} else {
-					if (panel->temp_pmap)
-						XFreePixmap(server.display, panel->temp_pmap);
-					panel->temp_pmap = XCreatePixmap(server.display,
-													 server.root_win,
-													 panel->area.width,
-													 panel->area.height,
-													 server.depth);
-					render_panel(panel);
-					if (panel == (Panel *)systray.area.panel) {
-						if (refresh_systray && panel && !panel->is_hidden) {
-							refresh_systray = FALSE;
-							XSetWindowBackgroundPixmap(server.display, panel->main_win, panel->temp_pmap);
-							refresh_systray_icons();
-						}
-					}
 					XCopyArea(server.display,
 							  panel->temp_pmap,
 							  panel->main_win,
@@ -1629,9 +1744,54 @@ start:
 							  panel->area.height,
 							  0,
 							  0);
+					if (panel == (Panel *)systray.area.panel) {
+						if (refresh_systray && panel && !panel->is_hidden) {
+							refresh_systray = FALSE;
+							XSetWindowBackgroundPixmap(server.display, panel->main_win, panel->temp_pmap);
+							refresh_systray_icons();
+						}
+					}
 				}
 			}
+			if (first_render) {
+				first_render = FALSE;
+				if (panel_shrink)
+					schedule_panel_redraw();
+			}
+			if (debug_fps)
+				ts_render_finished = get_time();
 			XFlush(server.display);
+			if (debug_fps && ts_event_read > 0) {
+				ts_flush_finished = get_time();
+				double period = ts_flush_finished - ts_event_read;
+				double fps = 1.0 / period;
+				sample_fps(fps);
+				double proc_ratio = (ts_event_processed - ts_event_read) / period;
+				double render_ratio = (ts_render_finished - ts_event_processed) / period;
+				double flush_ratio = (ts_flush_finished - ts_render_finished) / period;
+				double fps_low, fps_median, fps_high, fps_samples;
+				fps_compute_stats(&fps_low, &fps_median, &fps_high, &fps_samples);
+				fprintf(stderr,
+						BLUE "frame %d: fps = %.0f (low %.0f, med %.0f, high %.0f, samples %.0f) : processing %.0f%%, rendering %.0f%%, "
+				             "flushing %.0f%%" RESET "\n",
+						frame,
+						fps,
+				        fps_low,
+				        fps_median,
+				        fps_high,
+						fps_samples,
+				        proc_ratio * 100,
+				        render_ratio * 100,
+				        flush_ratio * 100);
+			}
+			if (debug_frames) {
+				for (int i = 0; i < num_panels; i++) {
+					char path[256];
+					sprintf(path, "tint2-%d-panel-%d-frame-%d.png", getpid(), i, frame);
+					dump_panel_to_file(&panels[i], path);
+				}
+			}
+			frame++;
 		}
 
 		// Create a File Description Set containing x11_fd
@@ -1639,9 +1799,9 @@ start:
 		FD_ZERO(&fdset);
 		FD_SET(x11_fd, &fdset);
 		int maxfd = x11_fd;
-		if (sn_pipe_valid) {
-			FD_SET(sn_pipe[0], &fdset);
-			maxfd = maxfd < sn_pipe[0] ? sn_pipe[0] : maxfd;
+		if (sigchild_pipe_valid) {
+			FD_SET(sigchild_pipe[0], &fdset);
+			maxfd = maxfd < sigchild_pipe[0] ? sigchild_pipe[0] : maxfd;
 		}
 		for (GList *l = panel_config.execp_list; l; l = l->next) {
 			Execp *execp = (Execp *)l->data;
@@ -1659,12 +1819,13 @@ start:
 		struct timeval *select_timeout = (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0) ? &next_timeout : NULL;
 
 		// Wait for X Event or a Timer
+		ts_event_read = 0;
 		if (XPending(server.display) > 0 || select(maxfd + 1, &fdset, 0, 0, select_timeout) >= 0) {
 			uevent_handler();
 
-			if (sn_pipe_valid) {
+			if (sigchild_pipe_valid) {
 				char buffer[1];
-				while (read(sn_pipe[0], buffer, sizeof(buffer)) > 0) {
+				while (read(sigchild_pipe[0], buffer, sizeof(buffer)) > 0) {
 					sigchld_handler_async();
 				}
 			}
@@ -1675,13 +1836,15 @@ start:
 					for (l_instance = execp->backend->instances; l_instance; l_instance = l_instance->next) {
 						Execp *instance = l_instance->data;
 						instance->area.resize_needed = TRUE;
-						panel_refresh = TRUE;
+						schedule_panel_redraw();
 					}
 				}
 			}
 			if (XPending(server.display) > 0) {
 				XEvent e;
 				XNextEvent(server.display, &e);
+				if (debug_fps)
+					ts_event_read = get_time();
 #if HAVE_SN
 				if (startup_notifications)
 					sn_display_process_event(server.sn_display, &e);
@@ -1700,7 +1863,7 @@ start:
 						} else
 							continue; // discard further processing of this event because the panel is not visible yet
 					} else if (hidden_dnd && e.type == ClientMessage &&
-							   e.xclient.message_type == server.atom.XdndLeave) {
+					           e.xclient.message_type == server.atom.XdndLeave) {
 						hidden_dnd = 0;
 						autohide_hide(panel);
 					}
@@ -1798,9 +1961,9 @@ start:
 					if (e.xany.window == server.composite_manager) {
 						// Stop real_transparency
 						fprintf(stderr,
-								YELLOW "%s %d: triggering tint2 restart due to compositor shutdown" RESET "\n",
-								__FILE__,
-								__LINE__);
+						        YELLOW "%s %d: triggering tint2 restart due to compositor shutdown" RESET "\n",
+						        __FILE__,
+						        __LINE__);
 						signal_pending = SIGUSR1;
 						break;
 					}
@@ -1820,21 +1983,21 @@ start:
 						if (ev->data.l[2] == None) {
 							// Stop real_transparency
 							fprintf(stderr,
-									YELLOW "%s %d: triggering tint2 restart due to change in transparency" RESET "\n",
-									__FILE__,
-									__LINE__);
+							        YELLOW "%s %d: triggering tint2 restart due to change in transparency" RESET "\n",
+							        __FILE__,
+							        __LINE__);
 							signal_pending = SIGUSR1;
 						} else {
 							// Start real_transparency
 							fprintf(stderr,
-									YELLOW "%s %d: triggering tint2 restart due to change in transparency" RESET "\n",
-									__FILE__,
-									__LINE__);
+							        YELLOW "%s %d: triggering tint2 restart due to change in transparency" RESET "\n",
+							        __FILE__,
+							        __LINE__);
 							signal_pending = SIGUSR1;
 						}
 					}
 					if (systray_enabled && e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE &&
-						e.xclient.format == 32 && e.xclient.window == net_sel_win) {
+					    e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 						net_message(&e.xclient);
 					} else if (e.xclient.message_type == server.atom.XdndEnter) {
 						dnd_enter(&e.xclient);
@@ -1852,20 +2015,20 @@ start:
 					fprintf(stderr, "DnD %s:%d: A selection notify has arrived!\n", __FILE__, __LINE__);
 					fprintf(stderr, "DnD %s:%d: Requestor = %lu\n", __FILE__, __LINE__, e.xselectionrequest.requestor);
 					fprintf(stderr,
-							"DnD %s:%d: Selection atom = %s\n",
-							__FILE__,
-							__LINE__,
-							GetAtomName(server.display, e.xselection.selection));
+					        "DnD %s:%d: Selection atom = %s\n",
+					        __FILE__,
+					        __LINE__,
+					        GetAtomName(server.display, e.xselection.selection));
 					fprintf(stderr,
-							"DnD %s:%d: Target atom    = %s\n",
-							__FILE__,
-							__LINE__,
-							GetAtomName(server.display, target));
+					        "DnD %s:%d: Target atom    = %s\n",
+					        __FILE__,
+					        __LINE__,
+					        GetAtomName(server.display, target));
 					fprintf(stderr,
-							"DnD %s:%d: Property atom  = %s\n",
-							__FILE__,
-							__LINE__,
-							GetAtomName(server.display, e.xselection.property));
+					        "DnD %s:%d: Property atom  = %s\n",
+					        __FILE__,
+					        __LINE__,
+					        GetAtomName(server.display, e.xselection.property));
 
 					if (e.xselection.property != None && dnd_launcher_exec) {
 						Property prop = read_property(server.display, dnd_target_window, dnd_selection);
@@ -1881,11 +2044,11 @@ start:
 								// Request the data type we are able to select
 								fprintf(stderr, "Now requsting type %s", GetAtomName(server.display, dnd_atom));
 								XConvertSelection(server.display,
-												  dnd_selection,
-												  dnd_atom,
-												  dnd_selection,
-												  dnd_target_window,
-												  CurrentTime);
+								                  dnd_selection,
+								                  dnd_atom,
+								                  dnd_selection,
+								                  dnd_target_window,
+								                  CurrentTime);
 							}
 						} else if (target == dnd_atom) {
 							// Dump the binary data

src/tint2conf/CMakeLists.txt

@@ -26,10 +26,13 @@ set(SOURCES ../util/common.c
             ../server.c
             ../launcher/apps-common.c
             ../launcher/icon-theme-common.c
+            md4.c
             main.c
             properties.c
             properties_rw.c
-            theme_view.c )
+            theme_view.c
+            background_gui.c
+            gradient_gui.c )
 
 add_definitions( -DTINT2CONF )
 
@@ -57,12 +60,8 @@ target_link_libraries( tint2conf ${X11_T2C_LIBRARIES}
                                  ${GTK2_LIBRARIES}
                                  ${RSVG_LIBRARIES} )
 
-if ( NOT DATADIR )
-  set(DATADIR share)
-endif( NOT DATADIR )
-
 add_definitions( -DINSTALL_PREFIX=\"${CMAKE_INSTALL_PREFIX}\" )
-add_definitions( -DLOCALEDIR=\"${CMAKE_INSTALL_PREFIX}/${DATADIR}/locale\" )
+add_definitions( -DLOCALEDIR=\"${CMAKE_INSTALL_FULL_LOCALEDIR}\" )
 add_definitions( -DGETTEXT_PACKAGE=\"tint2conf\" )
 set_target_properties( tint2conf PROPERTIES COMPILE_FLAGS "-Wall -pthread -std=c99" )
 set_target_properties( tint2conf PROPERTIES LINK_FLAGS "-pthread" )
@@ -70,6 +69,5 @@ set_target_properties( tint2conf PROPERTIES LINK_FLAGS "-pthread" )
 add_subdirectory(po)
 
 install( TARGETS tint2conf DESTINATION bin )
-install( FILES tint2conf.svg DESTINATION ${DATADIR}/icons/hicolor/scalable/apps )
-install( FILES tint2conf.desktop DESTINATION ${DATADIR}/applications )
-install( CODE "execute_process(COMMAND gtk-update-icon-cache -f -t ${DATADIR}/icons/hicolor WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX})" )
+install( FILES tint2conf.svg DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/scalable/apps )
+install( FILES tint2conf.desktop DESTINATION ${CMAKE_INSTALL_DATADIR}/applications )

src/tint2conf/background_gui.h

@@ -0,0 +1,15 @@
+#ifndef BACKGROUND_GUI_H
+#define BACKGROUND_GUI_H
+
+#include "gui.h"
+
+void create_background(GtkWidget *parent);
+void background_duplicate(GtkWidget *widget, gpointer data);
+void background_delete(GtkWidget *widget, gpointer data);
+void background_update_image(int index);
+void background_update(GtkWidget *widget, gpointer data);
+void current_background_changed(GtkWidget *widget, gpointer data);
+void background_combo_changed(GtkWidget *widget, gpointer data);
+GtkWidget *create_background_combo(const char *label);
+
+#endif

src/tint2conf/gradient_gui.c

@@ -0,0 +1,612 @@
+#include "gradient_gui.h"
+
+#include <math.h>
+
+GtkListStore *gradient_ids, *gradient_stop_ids;
+GList *gradients;
+GtkWidget *current_gradient, *gradient_combo_type, *gradient_start_color, *gradient_end_color, *current_gradient_stop,
+*gradient_stop_color, *gradient_stop_offset;
+
+int gradient_index_safe(int index)
+{
+	if (index <= 0)
+		index = 0;
+	if (index >= get_model_length(GTK_TREE_MODEL(gradient_ids)))
+		index = 0;
+	return index;
+}
+
+GtkWidget *create_gradient_combo()
+{
+	GtkWidget *combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(gradient_ids));
+	GtkCellRenderer *renderer = gtk_cell_renderer_pixbuf_new();
+	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), renderer, FALSE);
+	gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), renderer, "pixbuf", grColPixbuf, NULL);
+	renderer = gtk_cell_renderer_text_new();
+	g_object_set(renderer, "wrap-mode", PANGO_WRAP_WORD, NULL);
+	g_object_set(renderer, "wrap-width", 300, NULL);
+	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), renderer, FALSE);
+	gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), renderer, "text", grColText, NULL);
+	return combo;
+}
+
+void create_gradient(GtkWidget *parent)
+{
+	gradient_ids = gtk_list_store_new(grNumCols, GDK_TYPE_PIXBUF, GTK_TYPE_INT, GTK_TYPE_STRING);
+	gradients = NULL;
+
+	gradient_stop_ids = gtk_list_store_new(grStopNumCols, GDK_TYPE_PIXBUF);
+
+	GtkWidget *table, *label, *button;
+	int row, col;
+	// GtkTooltips *tooltips = gtk_tooltips_new();
+
+	table = gtk_table_new(1, 4, FALSE);
+	gtk_widget_show(table);
+	gtk_box_pack_start(GTK_BOX(parent), table, FALSE, FALSE, 0);
+	gtk_table_set_row_spacings(GTK_TABLE(table), ROW_SPACING);
+	gtk_table_set_col_spacings(GTK_TABLE(table), COL_SPACING);
+
+	row = 0, col = 0;
+	label = gtk_label_new(_("<b>Gradient</b>"));
+	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
+	gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
+	gtk_widget_show(label);
+	gtk_table_attach(GTK_TABLE(table), label, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	current_gradient = create_gradient_combo();
+	gtk_widget_show(current_gradient);
+	gtk_table_attach(GTK_TABLE(table), current_gradient, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	button = gtk_button_new_from_stock("gtk-add");
+	gtk_signal_connect(GTK_OBJECT(button), "clicked", GTK_SIGNAL_FUNC(gradient_duplicate), NULL);
+	gtk_widget_show(button);
+	gtk_table_attach(GTK_TABLE(table), button, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	button = gtk_button_new_from_stock("gtk-remove");
+	gtk_signal_connect(GTK_OBJECT(button), "clicked", GTK_SIGNAL_FUNC(gradient_delete), NULL);
+	gtk_widget_show(button);
+	gtk_table_attach(GTK_TABLE(table), button, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	table = gtk_table_new(3, 4, FALSE);
+	gtk_widget_show(table);
+	gtk_box_pack_start(GTK_BOX(parent), table, FALSE, FALSE, 0);
+	gtk_table_set_row_spacings(GTK_TABLE(table), ROW_SPACING);
+	gtk_table_set_col_spacings(GTK_TABLE(table), COL_SPACING);
+
+	row = 0, col = 2;
+	label = gtk_label_new(_("Type"));
+	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
+	gtk_widget_show(label);
+	gtk_table_attach(GTK_TABLE(table), label, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	gradient_combo_type = gtk_combo_box_new_text();
+	gtk_widget_show(gradient_combo_type);
+	gtk_table_attach(GTK_TABLE(table), gradient_combo_type, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+	gtk_combo_box_append_text(GTK_COMBO_BOX(gradient_combo_type), _("Vertical"));
+	gtk_combo_box_append_text(GTK_COMBO_BOX(gradient_combo_type), _("Horizontal"));
+	gtk_combo_box_append_text(GTK_COMBO_BOX(gradient_combo_type), _("Radial"));
+	gtk_combo_box_set_active(GTK_COMBO_BOX(gradient_combo_type), 0);
+
+	row++, col = 2;
+	label = gtk_label_new(_("Start color"));
+	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
+	gtk_widget_show(label);
+	gtk_table_attach(GTK_TABLE(table), label, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	gradient_start_color = gtk_color_button_new();
+	gtk_color_button_set_use_alpha(GTK_COLOR_BUTTON(gradient_start_color), TRUE);
+	gtk_widget_show(gradient_start_color);
+	gtk_table_attach(GTK_TABLE(table), gradient_start_color, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	row++, col = 2;
+	label = gtk_label_new(_("End color"));
+	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
+	gtk_widget_show(label);
+	gtk_table_attach(GTK_TABLE(table), label, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	gradient_end_color = gtk_color_button_new();
+	gtk_color_button_set_use_alpha(GTK_COLOR_BUTTON(gradient_end_color), TRUE);
+	gtk_widget_show(gradient_end_color);
+	gtk_table_attach(GTK_TABLE(table), gradient_end_color, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	change_paragraph(parent);
+
+	table = gtk_table_new(1, 4, FALSE);
+	gtk_widget_show(table);
+	gtk_box_pack_start(GTK_BOX(parent), table, FALSE, FALSE, 0);
+	gtk_table_set_row_spacings(GTK_TABLE(table), ROW_SPACING);
+	gtk_table_set_col_spacings(GTK_TABLE(table), COL_SPACING);
+
+	row = 0, col = 0;
+	label = gtk_label_new(_("<b>Color stop</b>"));
+	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
+	gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
+	gtk_widget_show(label);
+	gtk_table_attach(GTK_TABLE(table), label, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	current_gradient_stop = create_gradient_stop_combo(NULL);
+	gtk_widget_show(current_gradient_stop);
+	gtk_table_attach(GTK_TABLE(table), current_gradient_stop, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	button = gtk_button_new_from_stock("gtk-add");
+	gtk_signal_connect(GTK_OBJECT(button), "clicked", GTK_SIGNAL_FUNC(gradient_stop_duplicate), NULL);
+	gtk_widget_show(button);
+	gtk_table_attach(GTK_TABLE(table), button, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	button = gtk_button_new_from_stock("gtk-remove");
+	gtk_signal_connect(GTK_OBJECT(button), "clicked", GTK_SIGNAL_FUNC(gradient_stop_delete), NULL);
+	gtk_widget_show(button);
+	gtk_table_attach(GTK_TABLE(table), button, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	table = gtk_table_new(3, 4, FALSE);
+	gtk_widget_show(table);
+	gtk_box_pack_start(GTK_BOX(parent), table, FALSE, FALSE, 0);
+	gtk_table_set_row_spacings(GTK_TABLE(table), ROW_SPACING);
+	gtk_table_set_col_spacings(GTK_TABLE(table), COL_SPACING);
+
+	row = 0, col = 2;
+	label = gtk_label_new(_("Color"));
+	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
+	gtk_widget_show(label);
+	gtk_table_attach(GTK_TABLE(table), label, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	gradient_stop_color = gtk_color_button_new();
+	gtk_color_button_set_use_alpha(GTK_COLOR_BUTTON(gradient_stop_color), TRUE);
+	gtk_widget_show(gradient_stop_color);
+	gtk_table_attach(GTK_TABLE(table), gradient_stop_color, col, col + 1, row, row + 1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	row++, col = 2;
+	label = gtk_label_new(_("Position"));
+	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
+	gtk_widget_show(label);
+	gtk_table_attach(GTK_TABLE(table), label, col, col+1, row, row+1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	gradient_stop_offset = gtk_spin_button_new_with_range(0, 100, 1);
+	gtk_widget_show(gradient_stop_offset);
+	gtk_table_attach(GTK_TABLE(table), gradient_stop_offset, col, col+1, row, row+1, GTK_FILL, 0, 0, 0);
+	col++;
+
+	g_signal_connect(G_OBJECT(current_gradient), "changed", G_CALLBACK(current_gradient_changed), NULL);
+	g_signal_connect(G_OBJECT(gradient_combo_type), "changed", G_CALLBACK(gradient_update), NULL);
+	g_signal_connect(G_OBJECT(gradient_start_color), "color-set", G_CALLBACK(gradient_update), NULL);
+	g_signal_connect(G_OBJECT(gradient_end_color), "color-set", G_CALLBACK(gradient_update), NULL);
+
+	g_signal_connect(G_OBJECT(current_gradient_stop), "changed", G_CALLBACK(current_gradient_stop_changed), NULL);
+	g_signal_connect(G_OBJECT(gradient_stop_color), "color-set", G_CALLBACK(gradient_stop_update), NULL);
+	g_signal_connect(G_OBJECT(gradient_stop_offset), "value-changed", G_CALLBACK(gradient_stop_update), NULL);
+
+	change_paragraph(parent);
+}
+
+void gradient_create_new(GradientConfigType t)
+{
+	int index = get_model_length(GTK_TREE_MODEL(gradient_ids));
+
+	GradientConfig *g = (GradientConfig *)calloc(1, sizeof(GradientConfig));
+	g->type = t;
+	gradients = g_list_append(gradients, g);
+	GtkTreeIter iter;
+	gtk_list_store_append(gradient_ids, &iter);
+	gtk_list_store_set(gradient_ids, &iter,
+					   grColPixbuf, NULL,
+					   grColId, &index,
+					   grColText, index == 0 ? _("None") : "",
+					   -1);
+
+	gradient_update_image(index);
+	gtk_combo_box_set_active(GTK_COMBO_BOX(current_gradient), index);
+	current_gradient_changed(0, 0);
+}
+
+gpointer copy_GradientConfigColorStop(gconstpointer arg, gpointer data)
+{
+	GradientConfigColorStop *old = (GradientConfigColorStop *)arg;
+
+	GradientConfigColorStop *copy = (GradientConfigColorStop *)calloc(1, sizeof(GradientConfigColorStop));
+	memcpy(copy, old, sizeof(GradientConfigColorStop));
+	return copy;
+}
+
+void gradient_duplicate(GtkWidget *widget, gpointer data)
+{
+	int old_index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient));
+	if (old_index < 0) {
+		gradient_create_new(GRADIENT_CONFIG_VERTICAL);
+		return;
+	}
+
+	GradientConfig *g_old = (GradientConfig*)g_list_nth(gradients, (guint)old_index)->data;
+
+	int index = get_model_length(GTK_TREE_MODEL(gradient_ids));
+
+	GradientConfig *g = (GradientConfig *)calloc(1, sizeof(GradientConfig));
+	g->type = g_old->type;
+	g->start_color = g_old->start_color;
+	g->end_color = g_old->end_color;
+	g->extra_color_stops = g_list_copy_deep(g->extra_color_stops, copy_GradientConfigColorStop, NULL);
+	gradients = g_list_append(gradients, g);
+	GtkTreeIter iter;
+	gtk_list_store_append(gradient_ids, &iter);
+	gtk_list_store_set(gradient_ids, &iter,
+					   grColPixbuf, NULL,
+					   grColId, &index,
+					   grColText, "",
+					   -1);
+
+	gradient_update_image(index);
+	gtk_combo_box_set_active(GTK_COMBO_BOX(current_gradient), index);
+	current_gradient_changed(0, 0);
+}
+
+void gradient_delete(GtkWidget *widget, gpointer data)
+{
+	int index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient));
+	if (index < 0)
+		return;
+
+	if (get_model_length(GTK_TREE_MODEL(gradient_ids)) <= 1)
+		return;
+
+	GtkTreePath *path;
+	GtkTreeIter iter;
+
+	path = gtk_tree_path_new_from_indices(index, -1);
+	gtk_tree_model_get_iter(GTK_TREE_MODEL(gradient_ids), &iter, path);
+	gtk_tree_path_free(path);
+
+	gradients = g_list_remove(gradients, g_list_nth(gradients, (guint)index)->data);
+	gtk_list_store_remove(gradient_ids, &iter);
+
+	background_update_for_gradient(index);
+
+	if (index >= get_model_length(GTK_TREE_MODEL(gradient_ids)))
+		index--;
+	gtk_combo_box_set_active(GTK_COMBO_BOX(current_gradient), index);
+}
+
+void gradient_draw(cairo_t *c, GradientConfig *g, int w, int h, gboolean preserve)
+{
+	cairo_pattern_t *gpat;
+	if (g->type == GRADIENT_CONFIG_VERTICAL)
+		gpat = cairo_pattern_create_linear(0, 0, 0, h);
+	else if (g->type == GRADIENT_CONFIG_HORIZONTAL)
+		gpat = cairo_pattern_create_linear(0, 0, w, 0);
+	else gpat = cairo_pattern_create_radial(w/2, h/2, 0, w/2, h/2, sqrt(w * w + h * h) / 2);
+	cairo_pattern_add_color_stop_rgba(gpat, 0.0, g->start_color.color.rgb[0], g->start_color.color.rgb[1], g->start_color.color.rgb[2], g->start_color.color.alpha);
+	for (GList *l = g->extra_color_stops; l; l = l->next) {
+		GradientConfigColorStop *stop = (GradientConfigColorStop *)l->data;
+		cairo_pattern_add_color_stop_rgba(gpat,
+										  stop->offset,
+										  stop->color.rgb[0],
+										  stop->color.rgb[1],
+										  stop->color.rgb[2],
+										  stop->color.alpha);
+	}
+	cairo_pattern_add_color_stop_rgba(gpat, 1.0, g->end_color.color.rgb[0], g->end_color.color.rgb[1], g->end_color.color.rgb[2], g->end_color.color.alpha);
+	cairo_set_source(c, gpat);
+	cairo_rectangle(c, 0, 0, w, h);
+	if (preserve)
+		cairo_fill_preserve(c);
+	else
+		cairo_fill(c);
+	cairo_pattern_destroy(gpat);
+}
+
+void gradient_update_image(int index)
+{
+	GradientConfig *g = (GradientConfig *)g_list_nth(gradients, (guint)index)->data;
+
+	int w = 70;
+	int h = 30;
+	GdkPixmap *pixmap = gdk_pixmap_new(NULL, w, h, 24);
+
+	cairo_t *cr = gdk_cairo_create(pixmap);
+	cairo_set_source_rgb(cr, 0.5, 0.5, 0.5);
+	cairo_rectangle(cr, 0, 0, w, h);
+	cairo_fill(cr);
+
+	gradient_draw(cr, g, w, h, FALSE);
+
+	GdkPixbuf *pixbuf = gdk_pixbuf_get_from_drawable(NULL, pixmap, gdk_colormap_get_system(), 0, 0, 0, 0, w, h);
+	if (pixmap)
+		g_object_unref(pixmap);
+
+	GtkTreePath *path;
+	GtkTreeIter iter;
+
+	path = gtk_tree_path_new_from_indices(index, -1);
+	gtk_tree_model_get_iter(GTK_TREE_MODEL(gradient_ids), &iter, path);
+	gtk_tree_path_free(path);
+
+	gtk_list_store_set(gradient_ids, &iter,
+					   grColPixbuf, pixbuf,
+					   -1);
+	if (pixbuf)
+		g_object_unref(pixbuf);
+}
+
+void gradient_force_update()
+{
+	gradient_update(NULL, NULL);
+}
+
+static gboolean gradient_updates_disabled = FALSE;
+void gradient_update(GtkWidget *widget, gpointer data)
+{
+	if (gradient_updates_disabled)
+		return;
+	int index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient));
+	if (index <= 0)
+		return;
+
+	GtkTreePath *path;
+	GtkTreeIter iter;
+
+	path = gtk_tree_path_new_from_indices(index, -1);
+	gtk_tree_model_get_iter(GTK_TREE_MODEL(gradient_ids), &iter, path);
+	gtk_tree_path_free(path);
+
+	GradientConfig *g = (GradientConfig *)g_list_nth(gradients, (guint)index)->data;
+
+	g->type = (GradientConfigType)MAX(0, gtk_combo_box_get_active(GTK_COMBO_BOX(gradient_combo_type)));
+
+	GdkColor color;
+	int opacity;
+
+	gtk_color_button_get_color(GTK_COLOR_BUTTON(gradient_start_color), &color);
+	opacity = MIN(100, 0.5 + gtk_color_button_get_alpha(GTK_COLOR_BUTTON(gradient_start_color)) * 100.0 / 0xffff);
+	gdkColor2CairoColor(color, &g->start_color.color.rgb[0], &g->start_color.color.rgb[1], &g->start_color.color.rgb[2]);
+	g->start_color.color.alpha = opacity / 100.0;
+
+	gtk_color_button_get_color(GTK_COLOR_BUTTON(gradient_end_color), &color);
+	opacity = MIN(100, 0.5 + gtk_color_button_get_alpha(GTK_COLOR_BUTTON(gradient_end_color)) * 100.0 / 0xffff);
+	gdkColor2CairoColor(color, &g->end_color.color.rgb[0], &g->end_color.color.rgb[1], &g->end_color.color.rgb[2]);
+	g->end_color.color.alpha = opacity / 100.0;
+
+	gtk_list_store_set(gradient_ids, &iter,
+					   grColPixbuf, NULL,
+					   grColId, &index,
+					   grColText, "",
+					   -1);
+	gradient_update_image(index);
+	background_update_for_gradient(index);
+}
+
+void current_gradient_changed(GtkWidget *widget, gpointer data)
+{
+	int index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient));
+	if (index < 0)
+		return;
+
+	gtk_widget_set_sensitive(gradient_combo_type, index > 0);
+	gtk_widget_set_sensitive(gradient_start_color, index > 0);
+	gtk_widget_set_sensitive(gradient_end_color, index > 0);
+	gtk_widget_set_sensitive(current_gradient_stop, index > 0);
+	gtk_widget_set_sensitive(gradient_stop_color, index > 0);
+	gtk_widget_set_sensitive(gradient_stop_offset, index > 0);
+
+	gradient_updates_disabled = TRUE;
+
+	GradientConfig *g = (GradientConfig *)g_list_nth(gradients, (guint)index)->data;
+
+	gtk_combo_box_set_active(GTK_COMBO_BOX(gradient_combo_type), g->type);
+
+	GdkColor color;
+	int opacity;
+
+	cairoColor2GdkColor(g->start_color.color.rgb[0], g->start_color.color.rgb[1], g->start_color.color.rgb[2], &color);
+	opacity = g->start_color.color.alpha * 65535;
+	gtk_color_button_set_color(GTK_COLOR_BUTTON(gradient_start_color), &color);
+	gtk_color_button_set_alpha(GTK_COLOR_BUTTON(gradient_start_color), opacity);
+
+	cairoColor2GdkColor(g->end_color.color.rgb[0], g->end_color.color.rgb[1], g->end_color.color.rgb[2], &color);
+	opacity = g->end_color.color.alpha * 65535;
+	gtk_color_button_set_color(GTK_COLOR_BUTTON(gradient_end_color), &color);
+	gtk_color_button_set_alpha(GTK_COLOR_BUTTON(gradient_end_color), opacity);
+
+	int old_stop_index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient_stop));
+	gtk_list_store_clear(gradient_stop_ids);
+	int stop_index = 0;
+	for (GList *l = g->extra_color_stops; l; l = l->next, stop_index++) {
+		GtkTreeIter iter;
+		gtk_list_store_append(gradient_stop_ids, &iter);
+		gtk_list_store_set(gradient_stop_ids, &iter,
+						   grStopColPixbuf, NULL,
+						   -1);
+		gradient_stop_update_image(stop_index);
+	}
+	if (old_stop_index >= 0 && old_stop_index < stop_index)
+		gtk_combo_box_set_active(GTK_COMBO_BOX(current_gradient_stop), old_stop_index);
+	else
+		gtk_combo_box_set_active(GTK_COMBO_BOX(current_gradient_stop), stop_index - 1);
+
+	gradient_updates_disabled = FALSE;
+	gradient_update_image(index);
+}
+
+//////// Gradient stops
+
+GtkWidget *create_gradient_stop_combo()
+{
+	GtkWidget *combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(gradient_stop_ids));
+	GtkCellRenderer *renderer = gtk_cell_renderer_pixbuf_new();
+	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), renderer, FALSE);
+	gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), renderer, "pixbuf", grStopColPixbuf, NULL);
+	return combo;
+}
+
+void gradient_stop_create_new()
+{
+	int g_index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient));
+	if (g_index < 0)
+		return;
+
+	GradientConfig *g = (GradientConfig *)g_list_nth(gradients, (guint)g_index)->data;
+	GradientConfigColorStop *stop = (GradientConfigColorStop *)calloc(1, sizeof(GradientConfigColorStop));
+	if (g->extra_color_stops)
+		memcpy(stop, g_list_last(g->extra_color_stops)->data, sizeof(GradientConfigColorStop));
+	else
+		memcpy(stop, &g->start_color, sizeof(GradientConfigColorStop));
+	g->extra_color_stops = g_list_append(g->extra_color_stops, stop);
+	GtkTreeIter iter;
+	gtk_list_store_append(gradient_stop_ids, &iter);
+	gtk_list_store_set(gradient_stop_ids, &iter,
+					   grStopColPixbuf, NULL,
+					   -1);
+
+	int stop_index = g_list_length(g->extra_color_stops) - 1;
+	gradient_stop_update_image(stop_index);
+	gtk_combo_box_set_active(GTK_COMBO_BOX(current_gradient_stop), stop_index);
+	current_gradient_stop_changed(0, 0);
+	gradient_update_image(g_index);
+	background_update_for_gradient(g_index);
+}
+
+void gradient_stop_duplicate(GtkWidget *widget, gpointer data)
+{
+	gradient_stop_create_new();
+}
+
+void gradient_stop_delete(GtkWidget *widget, gpointer data)
+{
+	int g_index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient));
+	if (g_index < 0)
+		return;
+
+	GradientConfig *g = (GradientConfig *)g_list_nth(gradients, (guint)g_index)->data;
+	if (!g->extra_color_stops)
+		return;
+
+	int index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient_stop));
+	if (index < 0)
+		return;
+
+	GtkTreePath *path;
+	GtkTreeIter iter;
+
+	path = gtk_tree_path_new_from_indices(index, -1);
+	gtk_tree_model_get_iter(GTK_TREE_MODEL(gradient_stop_ids), &iter, path);
+	gtk_tree_path_free(path);
+
+	g->extra_color_stops = g_list_remove(g->extra_color_stops, g_list_nth(g->extra_color_stops, (guint)index)->data);
+	gtk_list_store_remove(gradient_stop_ids, &iter);
+
+	if (index >= get_model_length(GTK_TREE_MODEL(gradient_stop_ids)))
+		index--;
+	gtk_combo_box_set_active(GTK_COMBO_BOX(current_gradient_stop), index);
+
+	gradient_update_image(g_index);
+	background_update_for_gradient(g_index);
+}
+
+void gradient_stop_update_image(int index)
+{
+	int g_index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient));
+	if (g_index < 0)
+		return;
+	GradientConfig *g = (GradientConfig *)g_list_nth(gradients, (guint)g_index)->data;
+	GradientConfigColorStop *stop = (GradientConfigColorStop *)g_list_nth(g->extra_color_stops, (guint)index)->data;
+
+	int w = 70;
+	int h = 30;
+	GdkPixmap *pixmap = gdk_pixmap_new(NULL, w, h, 24);
+
+	cairo_t *cr = gdk_cairo_create(pixmap);
+	cairo_set_source_rgba(cr, stop->color.rgb[0], stop->color.rgb[1], stop->color.rgb[2], stop->color.alpha);
+	cairo_rectangle(cr, 0, 0, w, h);
+	cairo_fill(cr);
+
+	GdkPixbuf *pixbuf = gdk_pixbuf_get_from_drawable(NULL, pixmap, gdk_colormap_get_system(), 0, 0, 0, 0, w, h);
+	if (pixmap)
+		g_object_unref(pixmap);
+
+	GtkTreePath *path;
+	GtkTreeIter iter;
+
+	path = gtk_tree_path_new_from_indices(index, -1);
+	gtk_tree_model_get_iter(GTK_TREE_MODEL(gradient_stop_ids), &iter, path);
+	gtk_tree_path_free(path);
+
+	gtk_list_store_set(gradient_stop_ids, &iter,
+					   grStopColPixbuf, pixbuf,
+					   -1);
+	if (pixbuf)
+		g_object_unref(pixbuf);
+}
+
+void current_gradient_stop_changed(GtkWidget *widget, gpointer data)
+{
+	int g_index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient));
+	if (g_index < 0)
+		return;
+	GradientConfig *g = (GradientConfig *)g_list_nth(gradients, (guint)g_index)->data;
+
+	int index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient_stop));
+	if (index < 0)
+		return;
+
+	GradientConfigColorStop *stop = (GradientConfigColorStop *)g_list_nth(g->extra_color_stops, (guint)index)->data;
+
+	gradient_updates_disabled = TRUE;
+
+	GdkColor color;
+	int opacity;
+
+	cairoColor2GdkColor(stop->color.rgb[0], stop->color.rgb[1], stop->color.rgb[2], &color);
+	opacity = stop->color.alpha * 65535;
+	gtk_color_button_set_color(GTK_COLOR_BUTTON(gradient_stop_color), &color);
+	gtk_color_button_set_alpha(GTK_COLOR_BUTTON(gradient_stop_color), opacity);
+
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(gradient_stop_offset), stop->offset * 100);
+
+	gradient_updates_disabled = FALSE;
+}
+
+void gradient_stop_update(GtkWidget *widget, gpointer data)
+{
+	if (gradient_updates_disabled)
+		return;
+
+	int g_index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient));
+	if (g_index < 0)
+		return;
+	GradientConfig *g = (GradientConfig *)g_list_nth(gradients, (guint)g_index)->data;
+
+	int index = gtk_combo_box_get_active(GTK_COMBO_BOX(current_gradient_stop));
+	if (index < 0)
+		return;
+
+	GradientConfigColorStop *stop = (GradientConfigColorStop *)g_list_nth(g->extra_color_stops, (guint)index)->data;
+
+	GdkColor color;
+	int opacity;
+
+	gtk_color_button_get_color(GTK_COLOR_BUTTON(gradient_stop_color), &color);
+	opacity = MIN(100, 0.5 + gtk_color_button_get_alpha(GTK_COLOR_BUTTON(gradient_stop_color)) * 100.0 / 0xffff);
+	gdkColor2CairoColor(color, &stop->color.rgb[0], &stop->color.rgb[1], &stop->color.rgb[2]);
+	stop->color.alpha = opacity / 100.0;
+
+	stop->offset = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gradient_stop_offset)) / 100.;
+
+	gradient_stop_update_image(index);
+	gradient_update_image(g_index);
+	background_update_for_gradient(g_index);
+}

src/tint2conf/gradient_gui.h

@@ -0,0 +1,47 @@
+#ifndef GRADIENT_GUI_H
+#define GRADIENT_GUI_H
+
+#include "gui.h"
+
+int gradient_index_safe(int index);
+void create_gradient(GtkWidget *parent);
+GtkWidget *create_gradient_combo();
+void gradient_duplicate(GtkWidget *widget, gpointer data);
+void gradient_delete(GtkWidget *widget, gpointer data);
+void gradient_update_image(int index);
+void gradient_update(GtkWidget *widget, gpointer data);
+void gradient_force_update();
+void current_gradient_changed(GtkWidget *widget, gpointer data);
+void background_update_for_gradient(int gradient_id);
+
+GtkWidget *create_gradient_stop_combo();
+void gradient_stop_duplicate(GtkWidget *widget, gpointer data);
+void gradient_stop_delete(GtkWidget *widget, gpointer data);
+void gradient_stop_update(GtkWidget *widget, gpointer data);
+void gradient_stop_update_image(int index);
+void current_gradient_stop_changed(GtkWidget *widget, gpointer data);
+
+typedef enum GradientConfigType {
+	GRADIENT_CONFIG_VERTICAL = 0,
+	GRADIENT_CONFIG_HORIZONTAL,
+	GRADIENT_CONFIG_RADIAL
+} GradientConfigType;
+
+typedef struct GradientConfigColorStop {
+	Color color;
+	// offset in 0-1
+	double offset;
+} GradientConfigColorStop;
+
+typedef struct GradientConfig {
+	GradientConfigType type;
+	GradientConfigColorStop start_color;
+	GradientConfigColorStop end_color;
+	// Each element is a GradientConfigColorStop
+	GList *extra_color_stops;
+} GradientConfig;
+
+void gradient_create_new(GradientConfigType t);
+void gradient_draw(cairo_t *c, GradientConfig *g, int w, int h, gboolean preserve);
+
+#endif

src/tint2conf/gui.h

@@ -0,0 +1,20 @@
+#include <limits.h>
+#include <stdlib.h>
+
+#include "main.h"
+#include "properties.h"
+#include "properties_rw.h"
+#include "../launcher/apps-common.h"
+#include "../launcher/icon-theme-common.h"
+#include "../util/common.h"
+#include "strnatcmp.h"
+
+#define ROW_SPACING 10
+#define COL_SPACING 8
+#define DEFAULT_HOR_SPACING 5
+
+gint compare_strings(gconstpointer a, gconstpointer b);
+void change_paragraph(GtkWidget *widget);
+int get_model_length(GtkTreeModel *model);
+void gdkColor2CairoColor(GdkColor color, double *red, double *green, double *blue);
+void cairoColor2GdkColor(double red, double green, double blue, GdkColor *color);

src/tint2conf/main.c

@@ -34,6 +34,7 @@ void refresh_theme(const char *given_path);
 void remove_theme(const char *given_path);
 static void theme_selection_changed(GtkWidget *treeview, gpointer userdata);
 static gchar *find_theme_in_system_dirs(const gchar *given_name);
+static void load_specific_themes(char **paths, int count);
 
 // ====== Utilities ======
 
@@ -166,6 +167,7 @@ static void viewRowActivated(GtkTreeView *tree_view, GtkTreePath *path, GtkTreeV
 
 static void select_first_theme();
 static void load_all_themes();
+static void reload_all_themes();
 
 // ====== Globals ======
 
@@ -225,19 +227,19 @@ int main(int argc, char **argv)
 	{
 		gchar *tint2_config_dir = g_build_filename(g_get_user_config_dir(), "tint2", NULL);
 		if (!g_file_test(tint2_config_dir, G_FILE_TEST_IS_DIR))
-			g_mkdir(tint2_config_dir, 0777);
+			g_mkdir(tint2_config_dir, 0700);
 		g_free(tint2_config_dir);
 	}
 
 	g_set_application_name(_("tint2conf"));
-	gtk_window_set_default_icon_name("taskbar");
+	gtk_window_set_default_icon_name("tint2conf");
 
 	// config file uses '.' as decimal separator
 	setlocale(LC_NUMERIC, "POSIX");
 
 	// define main layout : container, menubar, toolbar
 	g_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
-	gtk_window_set_title(GTK_WINDOW(g_window), _("Panel theming"));
+	gtk_window_set_title(GTK_WINDOW(g_window), _("Tint2 panel themes"));
 	gtk_window_resize(GTK_WINDOW(g_window), 920, 600);
 	g_signal_connect(G_OBJECT(g_window), "destroy", G_CALLBACK(gtk_main_quit), NULL);
 	vBox = gtk_vbox_new(FALSE, 0);
@@ -247,7 +249,7 @@ int main(int argc, char **argv)
 
 	// Menubar and toolbar entries
 	GtkActionEntry entries[] =
-		{{"ThemeMenu", NULL, _("Theme"), NULL, NULL, NULL},
+		{{"ThemeMenu", NULL, _("_Theme"), NULL, NULL, NULL},
 		 {"ThemeImportFile", GTK_STOCK_ADD, _("_Import theme..."), "<Control>N", _("Import theme(s) from file system"), G_CALLBACK(menuImportFile)},
 		 {"ThemeSaveAs", GTK_STOCK_SAVE_AS, _("_Save as..."), NULL, _("Save the theme with a new name"), G_CALLBACK(menuSaveAs)},
 		 {"ThemeDelete", GTK_STOCK_DELETE, _("_Delete"), NULL, _("Delete the selected theme"), G_CALLBACK(menuDelete)},
@@ -255,14 +257,15 @@ int main(int argc, char **argv)
 		 {"ThemeEdit", GTK_STOCK_PROPERTIES, _("_Edit theme..."), NULL, _("Edit the selected theme"), G_CALLBACK(edit_theme)},
 		 {"ThemeMakeDefault", GTK_STOCK_APPLY, _("_Make default"), NULL, _("Replace the default theme with the selected one"), G_CALLBACK(make_selected_theme_default)},
 		 {"ThemeRefresh", GTK_STOCK_REFRESH, _("Refresh"), NULL, _("Redraw the selected theme"), G_CALLBACK(refresh_current_theme)},
-		 {"RefreshAll", GTK_STOCK_REFRESH, _("Refresh all"), NULL, _("Redraw all themes"), G_CALLBACK(load_all_themes)},
+		 {"RefreshAll", GTK_STOCK_REFRESH, _("Refresh all"), NULL, _("Redraw all themes"), G_CALLBACK(reload_all_themes)},
 		 {"Quit", GTK_STOCK_QUIT, _("_Quit"), "<control>Q", _("Quit"), G_CALLBACK(gtk_main_quit)},
-		 {"HelpMenu", NULL, _("Help"), NULL, NULL, NULL},
+		 {"HelpMenu", NULL, _("_Help"), NULL, NULL, NULL},
 		 {"HelpAbout", GTK_STOCK_ABOUT, _("_About"), "<Control>A", _("About"), G_CALLBACK(menuAbout)}};
 
 	gtk_action_group_add_actions(actionGroup, entries, G_N_ELEMENTS(entries), NULL);
 	globalUIManager = gtk_ui_manager_new();
 	gtk_ui_manager_insert_action_group(globalUIManager, actionGroup, 0);
+	gtk_window_add_accel_group(GTK_WINDOW(g_window), gtk_ui_manager_get_accel_group(globalUIManager));
 	gtk_ui_manager_add_ui_from_string(globalUIManager, global_ui, -1, (NULL));
 	g_signal_connect(globalUIManager, "add_widget", G_CALLBACK(menuAddWidget), vBox);
 	gtk_ui_manager_ensure_update(globalUIManager);
@@ -303,9 +306,15 @@ int main(int argc, char **argv)
 
 	// load themes
 	load_all_themes();
+	argc--, argv++;
+	if (argc > 0) {
+		load_specific_themes(argv, argc);
+		g_timeout_add(SNAPSHOT_TICK, (GSourceFunc)edit_theme, NULL);
+	}
 
 	gtk_widget_show_all(g_window);
 	gtk_main();
+
 	return 0;
 }
 
@@ -325,10 +334,10 @@ static void menuAbout()
 						  "version",
 						  VERSION_STRING,
 						  "copyright",
-						  _("Copyright 2009-2015 tint2 team\nTint2 License GNU GPL version 2\nTintwizard License GNU "
+						  _("Copyright 2009-2017 tint2 team\nTint2 License GNU GPL version 2\nTintwizard License GNU "
 							"GPL version 3"),
 						  "logo-icon-name",
-						  "taskbar",
+						  "tint2conf",
 						  "authors",
 						  authors,
 						  /* Translators: translate "translator-credits" as your name to have it appear in the credits
@@ -418,13 +427,38 @@ static void menuSaveAs()
 													GTK_RESPONSE_ACCEPT,
 													NULL);
 	GtkFileChooser *chooser = GTK_FILE_CHOOSER(dialog);
-	gtk_file_chooser_set_do_overwrite_confirmation(chooser, TRUE);
+	gtk_file_chooser_set_do_overwrite_confirmation(chooser, FALSE);
 	gchar *config_dir = g_build_filename(g_get_home_dir(), ".config", "tint2", NULL);
 	gtk_file_chooser_set_current_folder(chooser, config_dir);
 	g_free(config_dir);
+	GtkFileFilter *filter = gtk_file_filter_new();
+	gtk_file_filter_add_pattern(filter, "*.tint2rc");
+	gtk_file_filter_add_pattern(filter, "tint2rc");
+	gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
 	gtk_file_chooser_set_current_name(chooser, filename);
 	if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 		gchar *newpath = gtk_file_chooser_get_filename(chooser);
+		if (!endswith(newpath, ".tint2rc") && !endswith(newpath, "/tint2rc")) {
+			gchar *proper_path = g_strdup_printf("%s.tint2rc", newpath);
+			g_free(newpath);
+			newpath = proper_path;
+		}
+		if (g_file_test(newpath, G_FILE_TEST_EXISTS)) {
+			GtkWidget *w = gtk_message_dialog_new(GTK_WINDOW(g_window),
+												  GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
+												  GTK_MESSAGE_QUESTION,
+												  GTK_BUTTONS_YES_NO,
+												  _("A file named \"%s\" already exists.  Do you want to replace it?"),
+												  newpath);
+			gint response = gtk_dialog_run(GTK_DIALOG(w));
+			gtk_widget_destroy(w);
+			if (response != GTK_RESPONSE_YES) {
+				g_free(newpath);
+				gtk_widget_destroy(dialog);
+				g_free(filepath);
+				return;
+			}
+		}
 		import_with_overwrite(filepath, newpath);
 		g_free(newpath);
 	}
@@ -804,6 +838,71 @@ static void load_all_themes()
 	}
 }
 
+static void reload_all_themes()
+{
+	ensure_default_theme_exists();
+
+	gtk_list_store_clear(GTK_LIST_STORE(theme_list_store));
+	theme_selection_changed(NULL, NULL);
+
+	gboolean found_themes = FALSE;
+	if (load_user_themes())
+		found_themes = TRUE;
+	if (load_system_themes())
+		found_themes = TRUE;
+
+	if (found_themes) {
+		select_first_theme();
+
+		GtkTreeIter iter;
+		GtkTreeModel *model;
+		gboolean have_iter;
+
+		model = gtk_tree_view_get_model(GTK_TREE_VIEW(g_theme_view));
+		have_iter = gtk_tree_model_get_iter_first(model, &iter);
+		while (have_iter) {
+			gtk_list_store_set(theme_list_store, &iter, COL_SNAPSHOT, NULL, COL_FORCE_REFRESH, TRUE, -1);
+			have_iter = gtk_tree_model_iter_next(model, &iter);
+		}
+
+		g_timeout_add(SNAPSHOT_TICK, (GSourceFunc)update_snapshot, NULL);
+	}
+}
+
+static void load_specific_themes(char **paths, int count)
+{
+	ensure_default_theme_exists();
+
+	gboolean found_themes = FALSE;
+	while (count > 0) {
+		// Load configs
+		const char *file_name = paths[0];
+		paths++, count--;
+		if (g_file_test(file_name, G_FILE_TEST_IS_REGULAR) || g_file_test(file_name, G_FILE_TEST_IS_SYMLINK) ) {
+			theme_list_append(file_name);
+			if (!found_themes) {
+				select_theme(file_name);
+				found_themes = TRUE;
+			}
+		}
+	}
+
+	if (found_themes) {
+		GtkTreeIter iter;
+		GtkTreeModel *model;
+		gboolean have_iter;
+
+		model = gtk_tree_view_get_model(GTK_TREE_VIEW(g_theme_view));
+		have_iter = gtk_tree_model_get_iter_first(model, &iter);
+		while (have_iter) {
+			gtk_list_store_set(theme_list_store, &iter, COL_SNAPSHOT, NULL, -1);
+			have_iter = gtk_tree_model_iter_next(model, &iter);
+		}
+
+		g_timeout_add(SNAPSHOT_TICK, (GSourceFunc)update_snapshot, NULL);
+	}
+}
+
 void refresh_current_theme()
 {
 	GtkTreeSelection *sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(g_theme_view));

src/tint2conf/md4.c

@@ -0,0 +1,274 @@
+/*
+ * Cryptographic API.
+ *
+ * MD4 Message Digest Algorithm (RFC1320).
+ *
+ * Implementation derived from Andrew Tridgell and Steve French's
+ * CIFS MD4 implementation, and the cryptoapi implementation
+ * originally based on the public domain implementation written
+ * by Colin Plumb in 1993.
+ *
+ * Copyright (c) Andrew Tridgell 1997-1998.
+ * Modified by Steve French (sfrench@us.ibm.com) 2002
+ * Copyright (c) Cryptoapi developers.
+ * Copyright (c) 2002 David S. Miller (davem@redhat.com)
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+typedef u_int8_t u8;
+typedef u_int32_t u32;
+typedef u_int64_t u64;
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+#define shash_desc md4_ctx
+#define shash_desc_ctx(x) (x)
+
+#define MD4_DIGEST_SIZE		16
+#define MD4_HMAC_BLOCK_SIZE	64
+#define MD4_BLOCK_WORDS		16
+#define MD4_HASH_WORDS		4
+
+struct md4_ctx {
+	u32 hash[MD4_HASH_WORDS];
+	u32 block[MD4_BLOCK_WORDS];
+	u64 byte_count;
+};
+
+static inline u32 lshift(u32 x, unsigned int s)
+{
+	x &= 0xFFFFFFFF;
+	return ((x << s) & 0xFFFFFFFF) | (x >> (32 - s));
+}
+
+static inline u32 F(u32 x, u32 y, u32 z)
+{
+	return (x & y) | ((~x) & z);
+}
+
+static inline u32 G(u32 x, u32 y, u32 z)
+{
+	return (x & y) | (x & z) | (y & z);
+}
+
+static inline u32 H(u32 x, u32 y, u32 z)
+{
+	return x ^ y ^ z;
+}
+
+#define ROUND1(a,b,c,d,k,s) (a = lshift(a + F(b,c,d) + k, s))
+#define ROUND2(a,b,c,d,k,s) (a = lshift(a + G(b,c,d) + k + (u32)0x5A827999,s))
+#define ROUND3(a,b,c,d,k,s) (a = lshift(a + H(b,c,d) + k + (u32)0x6ED9EBA1,s))
+
+/* XXX: this stuff can be optimized */
+static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
+{
+	while (words--) {
+		*buf = ntohl(*buf);
+		buf++;
+	}
+}
+
+static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
+{
+	while (words--) {
+		*buf = htonl(*buf);
+		buf++;
+	}
+}
+
+static void md4_transform(u32 *hash, u32 const *in)
+{
+	u32 a, b, c, d;
+
+	a = hash[0];
+	b = hash[1];
+	c = hash[2];
+	d = hash[3];
+
+	ROUND1(a, b, c, d, in[0], 3);
+	ROUND1(d, a, b, c, in[1], 7);
+	ROUND1(c, d, a, b, in[2], 11);
+	ROUND1(b, c, d, a, in[3], 19);
+	ROUND1(a, b, c, d, in[4], 3);
+	ROUND1(d, a, b, c, in[5], 7);
+	ROUND1(c, d, a, b, in[6], 11);
+	ROUND1(b, c, d, a, in[7], 19);
+	ROUND1(a, b, c, d, in[8], 3);
+	ROUND1(d, a, b, c, in[9], 7);
+	ROUND1(c, d, a, b, in[10], 11);
+	ROUND1(b, c, d, a, in[11], 19);
+	ROUND1(a, b, c, d, in[12], 3);
+	ROUND1(d, a, b, c, in[13], 7);
+	ROUND1(c, d, a, b, in[14], 11);
+	ROUND1(b, c, d, a, in[15], 19);
+
+	ROUND2(a, b, c, d,in[ 0], 3);
+	ROUND2(d, a, b, c, in[4], 5);
+	ROUND2(c, d, a, b, in[8], 9);
+	ROUND2(b, c, d, a, in[12], 13);
+	ROUND2(a, b, c, d, in[1], 3);
+	ROUND2(d, a, b, c, in[5], 5);
+	ROUND2(c, d, a, b, in[9], 9);
+	ROUND2(b, c, d, a, in[13], 13);
+	ROUND2(a, b, c, d, in[2], 3);
+	ROUND2(d, a, b, c, in[6], 5);
+	ROUND2(c, d, a, b, in[10], 9);
+	ROUND2(b, c, d, a, in[14], 13);
+	ROUND2(a, b, c, d, in[3], 3);
+	ROUND2(d, a, b, c, in[7], 5);
+	ROUND2(c, d, a, b, in[11], 9);
+	ROUND2(b, c, d, a, in[15], 13);
+
+	ROUND3(a, b, c, d,in[ 0], 3);
+	ROUND3(d, a, b, c, in[8], 9);
+	ROUND3(c, d, a, b, in[4], 11);
+	ROUND3(b, c, d, a, in[12], 15);
+	ROUND3(a, b, c, d, in[2], 3);
+	ROUND3(d, a, b, c, in[10], 9);
+	ROUND3(c, d, a, b, in[6], 11);
+	ROUND3(b, c, d, a, in[14], 15);
+	ROUND3(a, b, c, d, in[1], 3);
+	ROUND3(d, a, b, c, in[9], 9);
+	ROUND3(c, d, a, b, in[5], 11);
+	ROUND3(b, c, d, a, in[13], 15);
+	ROUND3(a, b, c, d, in[3], 3);
+	ROUND3(d, a, b, c, in[11], 9);
+	ROUND3(c, d, a, b, in[7], 11);
+	ROUND3(b, c, d, a, in[15], 15);
+
+	hash[0] += a;
+	hash[1] += b;
+	hash[2] += c;
+	hash[3] += d;
+}
+
+static inline void md4_transform_helper(struct md4_ctx *ctx)
+{
+	le32_to_cpu_array(ctx->block, ARRAY_SIZE(ctx->block));
+	md4_transform(ctx->hash, ctx->block);
+}
+
+static int md4_init(struct shash_desc *desc)
+{
+	struct md4_ctx *mctx = shash_desc_ctx(desc);
+
+	mctx->hash[0] = 0x67452301;
+	mctx->hash[1] = 0xefcdab89;
+	mctx->hash[2] = 0x98badcfe;
+	mctx->hash[3] = 0x10325476;
+	mctx->byte_count = 0;
+
+	return 0;
+}
+
+static int md4_update(struct shash_desc *desc, const u8 *data, unsigned int len)
+{
+	struct md4_ctx *mctx = shash_desc_ctx(desc);
+	const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f);
+
+	mctx->byte_count += len;
+
+	if (avail > len) {
+		memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),
+			   data, len);
+		return 0;
+	}
+
+	memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),
+		   data, avail);
+
+	md4_transform_helper(mctx);
+	data += avail;
+	len -= avail;
+
+	while (len >= sizeof(mctx->block)) {
+		memcpy(mctx->block, data, sizeof(mctx->block));
+		md4_transform_helper(mctx);
+		data += sizeof(mctx->block);
+		len -= sizeof(mctx->block);
+	}
+
+	memcpy(mctx->block, data, len);
+
+	return 0;
+}
+
+static int md4_final(struct shash_desc *desc, u8 *out)
+{
+	struct md4_ctx *mctx = shash_desc_ctx(desc);
+	const unsigned int offset = mctx->byte_count & 0x3f;
+	char *p = (char *)mctx->block + offset;
+	int padding = 56 - (offset + 1);
+
+	*p++ = 0x80;
+	if (padding < 0) {
+		memset(p, 0x00, padding + sizeof (u64));
+		md4_transform_helper(mctx);
+		p = (char *)mctx->block;
+		padding = 56;
+	}
+
+	memset(p, 0, padding);
+	mctx->block[14] = mctx->byte_count << 3;
+	mctx->block[15] = mctx->byte_count >> 29;
+	le32_to_cpu_array(mctx->block, (sizeof(mctx->block) -
+					  sizeof(u64)) / sizeof(u32));
+	md4_transform(mctx->hash, mctx->block);
+	cpu_to_le32_array(mctx->hash, ARRAY_SIZE(mctx->hash));
+	memcpy(out, mctx->hash, sizeof(mctx->hash));
+	memset(mctx, 0, sizeof(*mctx));
+
+	return 0;
+}
+
+static char to_hex(u8 v)
+{
+	v = v & 0xf;
+	if (v < 0xa)
+		return '0' + v;
+	return 'a' + v - 0xa;
+}
+
+void md4hexf(const char *path, char *hash)
+{
+	struct md4_ctx mctx;
+	md4_init(&mctx);
+
+	int fd = open(path, O_RDONLY);
+	if (fd >= 0) {
+		u8 buffer[MD4_HMAC_BLOCK_SIZE];
+		while (1) {
+			ssize_t count = read(fd, buffer, sizeof(buffer));
+			if (count <= 0)
+				break;
+			md4_update(&mctx, buffer, (unsigned)count);
+		}
+		close(fd);
+	}
+
+	u8 out[MD4_DIGEST_SIZE];
+	md4_final(&mctx, out);
+
+	for (int i = 0; i < MD4_DIGEST_SIZE; i++) {
+		hash[2*i+0] = to_hex(out[i] >> 4);
+		hash[2*i+1] = to_hex(out[i] & 0xf);
+	}
+	hash[2*MD4_DIGEST_SIZE] = 0;
+}

src/tint2conf/md4.h

@@ -0,0 +1,7 @@
+#ifndef MD4_H
+#define MD4_H
+
+#define MD4_HEX_SIZE 33
+void md4hexf(const char *path, char *hash);
+
+#endif

src/tint2conf/po/CMakeLists.txt

@@ -11,7 +11,7 @@ if (GETTEXT_FOUND)
         foreach(LANG ${LANGUAGES})
             GETTEXT_PROCESS_PO_FILES(${LANG} ALL PO_FILES ${LANG}.po)
             install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${LANG}.gmo"
-                    DESTINATION "${CMAKE_INSTALL_PREFIX}/${DATADIR}/locale/${LANG}/LC_MESSAGES"
+                    DESTINATION "${CMAKE_INSTALL_LOCALEDIR}/${LANG}/LC_MESSAGES"
                     RENAME "${GETTEXT_PACKAGE}.mo")
             endforeach ()
     endif()

src/tint2conf/properties.h

@@ -17,7 +17,7 @@ extern GtkWidget *panel_window_name, *disable_transparency;
 extern GtkWidget *panel_mouse_effects;
 extern GtkWidget *mouse_hover_icon_opacity, *mouse_hover_icon_saturation, *mouse_hover_icon_brightness;
 extern GtkWidget *mouse_pressed_icon_opacity, *mouse_pressed_icon_saturation, *mouse_pressed_icon_brightness;
-extern GtkWidget *panel_primary_monitor_first;
+extern GtkWidget *panel_primary_monitor_first, *panel_shrink;
 
 enum {
 	itemsColName = 0,
@@ -57,6 +57,7 @@ extern GtkWidget *taskbar_name_font, *taskbar_name_font_set;
 extern GtkWidget *taskbar_active_background, *taskbar_inactive_background;
 extern GtkWidget *taskbar_name_active_background, *taskbar_name_inactive_background;
 extern GtkWidget *taskbar_distribute_size, *taskbar_sort_order, *taskbar_alignment, *taskbar_always_show_all_desktop_tasks;
+extern GtkWidget *taskbar_hide_empty;
 
 // task
 extern GtkWidget *task_mouse_left, *task_mouse_middle, *task_mouse_right, *task_mouse_scroll_up, *task_mouse_scroll_down;
@@ -110,7 +111,7 @@ extern GtkWidget *ac_connected_cmd, *ac_disconnected_cmd;
 // systray
 extern GtkWidget *systray_icon_order, *systray_padding_x, *systray_padding_y, *systray_spacing;
 extern GtkWidget *systray_icon_size, *systray_icon_opacity, *systray_icon_saturation, *systray_icon_brightness;
-extern GtkWidget *systray_background, *systray_monitor;
+extern GtkWidget *systray_background, *systray_monitor, *systray_name_filter;
 
 // tooltip
 extern GtkWidget *tooltip_padding_x, *tooltip_padding_y, *tooltip_font, *tooltip_font_set, *tooltip_font_color;
@@ -118,6 +119,22 @@ extern GtkWidget *tooltip_task_show, *tooltip_show_after, *tooltip_hide_after;
 extern GtkWidget *clock_format_tooltip, *clock_tmz_tooltip;
 extern GtkWidget *tooltip_background;
 
+// Separator
+typedef struct Separator {
+	char name[256];
+	GtkWidget *container;
+	GtkWidget *page_separator;
+	GtkWidget *page_label;
+	GtkWidget *separator_background;
+	GtkWidget *separator_color;
+	GtkWidget *separator_style;
+	GtkWidget *separator_size;
+	GtkWidget *separator_padding_x;
+	GtkWidget *separator_padding_y;
+} Separator;
+
+extern GArray *separators;
+
 // Executor
 typedef struct Executor {
 	char name[256];
@@ -168,6 +185,7 @@ enum {
 	bgColFillOpacity,
 	bgColBorderColor,
 	bgColBorderOpacity,
+	bgColGradientId,
 	bgColBorderWidth,
 	bgColCornerRadius,
 	bgColText,
@@ -175,10 +193,16 @@ enum {
 	bgColFillOpacityOver,
 	bgColBorderColorOver,
 	bgColBorderOpacityOver,
+	bgColGradientIdOver,
 	bgColFillColorPress,
 	bgColFillOpacityPress,
 	bgColBorderColorPress,
 	bgColBorderOpacityPress,
+	bgColGradientIdPress,
+    bgColBorderSidesTop,
+    bgColBorderSidesBottom,
+    bgColBorderSidesLeft,
+    bgColBorderSidesRight,
 	bgNumCols
 };
 
@@ -186,19 +210,55 @@ extern GtkListStore *backgrounds;
 extern GtkWidget *current_background,
 		  *background_fill_color,
 		  *background_border_color,
+		  *background_gradient,
 		  *background_fill_color_over,
 		  *background_border_color_over,
+		  *background_gradient_over,
 		  *background_fill_color_press,
 		  *background_border_color_press,
+		  *background_gradient_press,
 		  *background_border_width,
+          *background_border_sides_top,
+          *background_border_sides_bottom,
+          *background_border_sides_left,
+          *background_border_sides_right,
 		  *background_corner_radius;
 
+// gradients
+enum {
+	grColPixbuf = 0,
+	grColId,
+	grColText,
+	grNumCols
+};
+
+// gradient color stops
+enum {
+	grStopColPixbuf = 0,
+	grStopNumCols
+};
+extern GtkListStore *gradient_ids, *gradient_stop_ids;
+extern GList *gradients;
+
+extern GtkWidget *current_gradient,
+	*gradient_combo_type,
+	*gradient_start_color,
+	*gradient_end_color,
+	*current_gradient_stop,
+	*gradient_stop_color,
+	*gradient_stop_offset;
+
 void background_create_new();
 void background_force_update();
 int background_index_safe(int index);
 
 GtkWidget *create_properties();
 
+void separator_create_new();
+Separator *separator_get_last();
+void separator_remove(int i);
+void separator_update_indices();
+
 void execp_create_new();
 Executor *execp_get_last();
 void execp_remove(int i);
@@ -208,4 +268,6 @@ void create_please_wait(GtkWindow *parent);
 void process_events();
 void destroy_please_wait();
 
+void hex2gdk(char *hex, GdkColor *color);
+
 #endif

src/tint2conf/theme_view.c

@@ -22,6 +22,7 @@
 #include "strnatcmp.h"
 #include "theme_view.h"
 #include "common.h"
+#include "md4.h"
 
 // The data columns that we export via the tree model interface
 GtkWidget *g_theme_view;
@@ -37,7 +38,7 @@ GtkWidget *create_view()
 	GtkCellRenderer *renderer;
 
 	theme_list_store =
-		gtk_list_store_new(NB_COL, G_TYPE_STRING, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_INT, G_TYPE_INT);
+		gtk_list_store_new(NB_COL, G_TYPE_STRING, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_INT, G_TYPE_INT, G_TYPE_BOOLEAN);
 
 	GtkWidget *view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(theme_list_store));
 	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
@@ -147,13 +148,20 @@ void theme_list_append(const gchar *path)
 	g_free(dir);
 
 	gchar *display_name = g_strdup_printf("%s\n(%s)", name, suffix);
-	gtk_list_store_set(theme_list_store, &iter, COL_THEME_FILE, path, COL_THEME_NAME, display_name, -1);
+	gtk_list_store_set(theme_list_store, &iter, COL_THEME_FILE, path, COL_THEME_NAME, display_name, COL_FORCE_REFRESH, FALSE, -1);
 	g_free(display_name);
 	g_free(suffix);
 }
 
 gboolean update_snapshot()
 {
+	{
+		gchar *tint2_cache_dir = g_build_filename(g_get_user_cache_dir(), "tint2", NULL);
+		if (!g_file_test(tint2_cache_dir, G_FILE_TEST_IS_DIR))
+			g_mkdir(tint2_cache_dir, 0700);
+		g_free(tint2_cache_dir);
+	}
+
 	const gint PADDING = 20;
 
 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(g_theme_view));
@@ -162,19 +170,7 @@ gboolean update_snapshot()
 	gboolean have_iter;
 
 	int num_updates = 0;
-	have_iter = gtk_tree_model_get_iter_first(model, &iter);
-	while (have_iter) {
-		GdkPixbuf *pixbuf;
-		gtk_tree_model_get(model, &iter, COL_SNAPSHOT, &pixbuf, -1);
-		if (pixbuf)
-			g_object_unref(pixbuf);
-		else
-			num_updates++;
-		have_iter = gtk_tree_model_iter_next(model, &iter);
-	}
-	gboolean need_pls_wait = num_updates > 3;
-	if (need_pls_wait)
-		create_please_wait(GTK_WINDOW(g_window));
+	gboolean need_pls_wait = FALSE;
 
 	have_iter = gtk_tree_model_get_iter_first(model, &iter);
 	while (have_iter) {
@@ -186,27 +182,30 @@ gboolean update_snapshot()
 			continue;
 		}
 
-		// build panel's snapshot
 		gchar *path;
-		gtk_tree_model_get(model, &iter, COL_THEME_FILE, &path, -1);
+		gboolean force_refresh;
+		gtk_tree_model_get(model, &iter, COL_THEME_FILE, &path, COL_FORCE_REFRESH, &force_refresh, -1);
 
-		char fname[128];
-		sprintf(fname, "tint2-%d.jpg", (int)getpid());
+		char hash[MD4_HEX_SIZE + 4];
+		md4hexf(path, hash);
+		strcat(hash, ".png");
 
-		gchar *snap = g_build_filename(g_get_tmp_dir(), fname, NULL);
-		g_remove(snap);
-
-		gchar *cmd = g_strdup_printf("tint2 -c \'%s\' -s \'%s\' 1>/dev/null 2>/dev/null", path, snap);
-		if (system(cmd) == 0) {
-			// load
-			pixbuf = gdk_pixbuf_new_from_file(snap, NULL);
-			if (pixbuf == NULL) {
-				printf("snapshot NULL : %s\n", cmd);
+		gchar *snap = g_build_filename(g_get_user_cache_dir(), "tint2", hash, NULL);
+		pixbuf = force_refresh ? NULL : gdk_pixbuf_new_from_file(snap, NULL);
+		if (!pixbuf) {
+			gchar *cmd = g_strdup_printf("tint2 -c \'%s\' -s \'%s\' 1>/dev/null 2>/dev/null", path, snap);
+			num_updates++;
+			if (num_updates > 3 && !need_pls_wait) {
+				need_pls_wait = TRUE;
+				create_please_wait(GTK_WINDOW(g_window));
 			}
+			if (system(cmd) == 0) {
+				// load
+				pixbuf = gdk_pixbuf_new_from_file(snap, NULL);
+			}
+			g_free(cmd);
 		}
-		g_free(cmd);
 
-		g_remove(snap);
 		g_free(snap);
 		g_free(path);
 
@@ -218,6 +217,8 @@ gboolean update_snapshot()
 						   gdk_pixbuf_get_width(pixbuf) + PADDING,
 						   COL_HEIGHT,
 						   gdk_pixbuf_get_height(pixbuf) + PADDING,
+						   COL_FORCE_REFRESH,
+						   FALSE,
 						   -1);
 		if (pixbuf)
 			g_object_unref(pixbuf);

src/tint2conf/theme_view.h

@@ -10,6 +10,7 @@ enum { COL_THEME_FILE = 0,
 	   COL_SNAPSHOT,
 	   COL_WIDTH,
 	   COL_HEIGHT,
+	   COL_FORCE_REFRESH,
 	   NB_COL, };
 
 GtkWidget *create_view();

src/tint2conf/tint2conf.desktop

@@ -34,7 +34,7 @@ Name[nb]=Panelbehandler
 Name[nl]=Paneel Manager
 Name[nn]=Panelhandsamar
 Name[pa]=ਪੈਨਲ ਮੈਨੇਜਰ
-Name[pl]=Ustawienia panelu
+Name[pl]=Ustawienia panelu tint2
 Name[pt]=Gestor do Painel
 Name[pt_BR]=Gerenciador do painel
 Name[ro]=Manager de panouri
@@ -86,7 +86,7 @@ GenericName[nb]=Panelbehandler
 GenericName[nl]=Paneel Manager
 GenericName[nn]=Panelhandsamar
 GenericName[pa]=ਪੈਨਲ ਮੈਨੇਜਰ
-GenericName[pl]=Ustawienia panelu
+GenericName[pl]=Ustawienia panelu tint2
 GenericName[pt]=Gestor do Painel
 GenericName[pt_BR]=Gerenciador do painel
 GenericName[ro]=Manager de panouri
@@ -106,6 +106,7 @@ GenericName[zh_CN]=面板管理器
 GenericName[zh_TW]=面板管理程式
 
 Comment=Tool to configure the tint2 panel
+Comment[pl]=Narzędzie do konfiguracji panelu tint2 configure the tint2 panel
 Comment[ru]=Инструмент конфигурирования панели tint2
 
 Exec=tint2conf

src/tint2rc.c

@@ -0,0 +1,411 @@
+#include "tint2rc.h"
+
+unsigned char themes_tint2rc[] = {
+  0x23, 0x2d, 0x2d, 0x2d, 0x2d, 0x20, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61,
+  0x74, 0x65, 0x64, 0x20, 0x62, 0x79, 0x20, 0x74, 0x69, 0x6e, 0x74, 0x32,
+  0x63, 0x6f, 0x6e, 0x66, 0x20, 0x32, 0x36, 0x34, 0x31, 0x20, 0x2d, 0x2d,
+  0x2d, 0x2d, 0x0a, 0x23, 0x20, 0x53, 0x65, 0x65, 0x20, 0x68, 0x74, 0x74,
+  0x70, 0x73, 0x3a, 0x2f, 0x2f, 0x67, 0x69, 0x74, 0x6c, 0x61, 0x62, 0x2e,
+  0x63, 0x6f, 0x6d, 0x2f, 0x6f, 0x39, 0x30, 0x30, 0x30, 0x2f, 0x74, 0x69,
+  0x6e, 0x74, 0x32, 0x2f, 0x77, 0x69, 0x6b, 0x69, 0x73, 0x2f, 0x43, 0x6f,
+  0x6e, 0x66, 0x69, 0x67, 0x75, 0x72, 0x65, 0x20, 0x66, 0x6f, 0x72, 0x20,
+  0x0a, 0x23, 0x20, 0x66, 0x75, 0x6c, 0x6c, 0x20, 0x64, 0x6f, 0x63, 0x75,
+  0x6d, 0x65, 0x6e, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x6f, 0x66,
+  0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x75,
+  0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x6f, 0x70, 0x74, 0x69, 0x6f,
+  0x6e, 0x73, 0x2e, 0x0a, 0x23, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
+  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
+  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
+  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x0a, 0x23, 0x20, 0x42, 0x61, 0x63,
+  0x6b, 0x67, 0x72, 0x6f, 0x75, 0x6e, 0x64, 0x73, 0x0a, 0x23, 0x20, 0x42,
+  0x61, 0x63, 0x6b, 0x67, 0x72, 0x6f, 0x75, 0x6e, 0x64, 0x20, 0x31, 0x3a,
+  0x20, 0x50, 0x61, 0x6e, 0x65, 0x6c, 0x0a, 0x72, 0x6f, 0x75, 0x6e, 0x64,
+  0x65, 0x64, 0x20, 0x3d, 0x20, 0x30, 0x0a, 0x62, 0x6f, 0x72, 0x64, 0x65,
+  0x72, 0x5f, 0x77, 0x69, 0x64, 0x74, 0x68, 0x20, 0x3d, 0x20, 0x30, 0x0a,
+  0x62, 0x61, 0x63, 0x6b, 0x67, 0x72, 0x6f, 0x75, 0x6e, 0x64, 0x5f, 0x63,
+  0x6f, 0x6c, 0x6f, 0x72, 0x20, 0x3d, 0x20, 0x23, 0x30, 0x30, 0x30, 0x30,
+  0x30, 0x30, 0x20, 0x36, 0x30, 0x0a, 0x62, 0x6f, 0x72, 0x64, 0x65, 0x72,
+  0x5f, 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x20, 0x3d, 0x20, 0x23, 0x30, 0x30,
+  0x30, 0x30, 0x30, 0x30, 0x20, 0x33, 0x30, 0x0a, 0x62, 0x61, 0x63, 0x6b,
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+  0x20, 0x3d, 0x20, 0x0a, 0x0a, 0x23, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
+  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
+  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
+  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x0a, 0x23, 0x20, 0x54, 0x6f,
+  0x6f, 0x6c, 0x74, 0x69, 0x70, 0x0a, 0x74, 0x6f, 0x6f, 0x6c, 0x74, 0x69,
+  0x70, 0x5f, 0x73, 0x68, 0x6f, 0x77, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x6f,
+  0x75, 0x74, 0x20, 0x3d, 0x20, 0x30, 0x2e, 0x35, 0x0a, 0x74, 0x6f, 0x6f,
+  0x6c, 0x74, 0x69, 0x70, 0x5f, 0x68, 0x69, 0x64, 0x65, 0x5f, 0x74, 0x69,
+  0x6d, 0x65, 0x6f, 0x75, 0x74, 0x20, 0x3d, 0x20, 0x30, 0x2e, 0x31, 0x0a,
+  0x74, 0x6f, 0x6f, 0x6c, 0x74, 0x69, 0x70, 0x5f, 0x70, 0x61, 0x64, 0x64,
+  0x69, 0x6e, 0x67, 0x20, 0x3d, 0x20, 0x32, 0x20, 0x32, 0x0a, 0x74, 0x6f,
+  0x6f, 0x6c, 0x74, 0x69, 0x70, 0x5f, 0x62, 0x61, 0x63, 0x6b, 0x67, 0x72,
+  0x6f, 0x75, 0x6e, 0x64, 0x5f, 0x69, 0x64, 0x20, 0x3d, 0x20, 0x35, 0x0a,
+  0x74, 0x6f, 0x6f, 0x6c, 0x74, 0x69, 0x70, 0x5f, 0x66, 0x6f, 0x6e, 0x74,
+  0x5f, 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x20, 0x3d, 0x20, 0x23, 0x32, 0x32,
+  0x32, 0x32, 0x32, 0x32, 0x20, 0x31, 0x30, 0x30, 0x0a, 0x0a
+};
+unsigned int themes_tint2rc_len = 4870;

src/tint2rc.h

@@ -0,0 +1,10 @@
+#ifndef TINT2RC_H
+#define TINT2RC_H
+
+// Content of .c file generated with xxd from the vim package:
+// echo '#include "tint2rc.h"' > src/tint2rc.c && xxd -i themes/tint2rc >> src/tint2rc.c
+
+extern unsigned char themes_tint2rc[];
+extern unsigned int themes_tint2rc_len;
+
+#endif

src/tooltip/tooltip.c

@@ -160,8 +160,8 @@ void tooltip_update_geometry()
 	pango_layout_set_text(layout, g_tooltip.tooltip_text, -1);
 	pango_layout_set_wrap(layout, PANGO_WRAP_WORD);
 	pango_layout_get_pixel_extents(layout, &r1, &r2);
-	width = 2 * g_tooltip.bg->border.width + 2 * g_tooltip.paddingx + r2.width;
-	height = 2 * g_tooltip.bg->border.width + 2 * g_tooltip.paddingy + r2.height;
+	width = left_right_bg_border_width(g_tooltip.bg) + 2 * g_tooltip.paddingx + r2.width;
+	height = top_bottom_bg_border_width(g_tooltip.bg) + 2 * g_tooltip.paddingy + r2.height;
 
 	if (panel_horizontal && panel_position & BOTTOM)
 		y = panel->posy - height;
@@ -275,8 +275,8 @@ void tooltip_update()
 	// I do not know why this is the right way, but with the below cairo_move_to it seems to be centered (horiz. and
 	// vert.)
 	cairo_move_to(c,
-				  -r1.x / 2 + g_tooltip.bg->border.width + g_tooltip.paddingx,
-				  -r1.y / 2 + 1 + g_tooltip.bg->border.width + g_tooltip.paddingy);
+				  -r1.x / 2 + left_bg_border_width(g_tooltip.bg) + g_tooltip.paddingx,
+				  -r1.y / 2 + 1 + top_bg_border_width(g_tooltip.bg) + g_tooltip.paddingy);
 	pango_cairo_show_layout(c, layout);
 
 	g_object_unref(layout);

src/util/area.c

@@ -17,10 +17,12 @@
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 **************************************************************************/
 
+#include <assert.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
 #include <X11/extensions/Xrender.h>
+#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -36,6 +38,7 @@ Area *mouse_over_area = NULL;
 void init_background(Background *bg)
 {
 	memset(bg, 0, sizeof(Background));
+	bg->border.mask = BORDER_TOP | BORDER_BOTTOM | BORDER_LEFT | BORDER_RIGHT;
 }
 
 void initialize_positions(void *obj, int offset)
@@ -44,14 +47,14 @@ void initialize_positions(void *obj, int offset)
 	for (GList *l = a->children; l; l = l->next) {
 		Area *child = ((Area *)l->data);
 		if (panel_horizontal) {
-			child->posy = offset + a->bg->border.width + a->paddingy;
-			child->height = a->height - (2 * (a->bg->border.width + a->paddingy));
+			child->posy = offset + top_border_width(a) + a->paddingy;
+			child->height = a->height - 2 * a->paddingy - top_bottom_border_width(a);
 			if (child->_on_change_layout)
 				child->_on_change_layout(child);
 			initialize_positions(child, child->posy);
 		} else {
-			child->posx = offset + a->bg->border.width + a->paddingy;
-			child->width = a->width - (2 * (a->bg->border.width + a->paddingy));
+			child->posx = offset + left_border_width(a) + a->paddingy;
+			child->width = a->width - 2 * a->paddingy - left_right_border_width(a);
 			if (child->_on_change_layout)
 				child->_on_change_layout(child);
 			initialize_positions(child, child->posx);
@@ -107,7 +110,8 @@ void relayout_dynamic(Area *a, int level)
 	// Layout children
 	if (a->children) {
 		if (a->alignment == ALIGN_LEFT) {
-			int pos = (panel_horizontal ? a->posx : a->posy) + a->bg->border.width + a->paddingxlr;
+			int pos =
+			    (panel_horizontal ? a->posx + left_border_width(a) : a->posy + top_border_width(a)) + a->paddingxlr;
 
 			for (GList *l = a->children; l; l = l->next) {
 				Area *child = ((Area *)l->data);
@@ -133,8 +137,9 @@ void relayout_dynamic(Area *a, int level)
 				pos += panel_horizontal ? child->width + a->paddingx : child->height + a->paddingx;
 			}
 		} else if (a->alignment == ALIGN_RIGHT) {
-			int pos =
-				(panel_horizontal ? a->posx + a->width : a->posy + a->height) - a->bg->border.width - a->paddingxlr;
+			int pos = (panel_horizontal ? a->posx + a->width - right_border_width(a)
+			                            : a->posy + a->height - bottom_border_width(a)) -
+			          a->paddingxlr;
 
 			for (GList *l = g_list_last(a->children); l; l = l->prev) {
 				Area *child = ((Area *)l->data);
@@ -174,7 +179,8 @@ void relayout_dynamic(Area *a, int level)
 				children_size += (l == a->children) ? 0 : a->paddingx;
 			}
 
-			int pos = (panel_horizontal ? a->posx : a->posy) + a->bg->border.width + a->paddingxlr;
+			int pos =
+			    (panel_horizontal ? a->posx + left_border_width(a) : a->posy + top_border_width(a)) + a->paddingxlr;
 			pos += ((panel_horizontal ? a->width : a->height) - children_size) / 2;
 
 			for (GList *l = a->children; l; l = l->next) {
@@ -211,38 +217,41 @@ void relayout_dynamic(Area *a, int level)
 	}
 }
 
+int compute_desired_size(Area *a)
+{
+	if (!a->on_screen)
+		return 0;
+	if (a->_compute_desired_size)
+		return a->_compute_desired_size(a);
+	if (a->size_mode == LAYOUT_FIXED)
+		fprintf(stderr, YELLOW "Area %s does not set desired size!" RESET "\n", a->name);
+	return container_compute_desired_size(a);
+}
+
+int container_compute_desired_size(Area *a)
+{
+	if (!a->on_screen)
+		return 0;
+	int result = 2 * a->paddingxlr + (panel_horizontal ? left_right_border_width(a) : top_bottom_border_width(a));
+	int children_count = 0;
+	for (GList *l = a->children; l != NULL; l = l->next) {
+		Area *child = (Area *)l->data;
+		if (child->on_screen) {
+			result += compute_desired_size(child);
+			children_count++;
+		}
+	}
+	if (children_count > 0)
+		result += (children_count - 1) * a->paddingx;
+	return result;
+}
+
 void relayout(Area *a)
 {
 	relayout_fixed(a);
 	relayout_dynamic(a, 1);
 }
 
-void draw_tree(Area *a)
-{
-	if (!a->on_screen)
-		return;
-
-	if (a->_redraw_needed) {
-		a->_redraw_needed = FALSE;
-		draw(a);
-	}
-
-	if (a->pix)
-		XCopyArea(server.display,
-				  a->pix,
-				  ((Panel *)a->panel)->temp_pmap,
-				  server.gc,
-				  0,
-				  0,
-				  a->width,
-				  a->height,
-				  a->posx,
-				  a->posy);
-
-	for (GList *l = a->children; l; l = l->next)
-		draw_tree((Area *)l->data);
-}
-
 int relayout_with_constraint(Area *a, int maximum_size)
 {
 	int fixed_children_count = 0;
@@ -250,7 +259,7 @@ int relayout_with_constraint(Area *a, int maximum_size)
 
 	if (panel_horizontal) {
 		// detect free size for LAYOUT_DYNAMIC Areas
-		int size = a->width - (2 * (a->paddingxlr + a->bg->border.width));
+		int size = a->width - 2 * a->paddingxlr - left_right_border_width(a);
 		for (GList *l = a->children; l; l = l->next) {
 			Area *child = (Area *)l->data;
 			if (child->on_screen && child->size_mode == LAYOUT_FIXED) {
@@ -290,7 +299,7 @@ int relayout_with_constraint(Area *a, int maximum_size)
 		}
 	} else {
 		// detect free size for LAYOUT_DYNAMIC's Area
-		int size = a->height - (2 * (a->paddingxlr + a->bg->border.width));
+		int size = a->height - 2 * a->paddingxlr - top_bottom_border_width(a);
 		for (GList *l = a->children; l; l = l->next) {
 			Area *child = (Area *)l->data;
 			if (child->on_screen && child->size_mode == LAYOUT_FIXED) {
@@ -351,13 +360,43 @@ void schedule_redraw(Area *a)
 
 	for (GList *l = a->children; l; l = l->next)
 		schedule_redraw((Area *)l->data);
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
+}
+
+void draw_tree(Area *a)
+{
+	if (!a->on_screen)
+		return;
+
+	if (a->_redraw_needed) {
+		a->_redraw_needed = FALSE;
+		draw(a);
+	}
+
+	if (a->pix)
+		XCopyArea(server.display,
+				  a->pix,
+				  ((Panel *)a->panel)->temp_pmap,
+				  server.gc,
+				  0,
+				  0,
+				  a->width,
+				  a->height,
+				  a->posx,
+				  a->posy);
+	else
+		fprintf(stderr, RED "%s %d: area %s has no pixmap!!!" RESET "\n", __FILE__, __LINE__, a->name);
+
+	for (GList *l = a->children; l; l = l->next)
+		draw_tree((Area *)l->data);
 }
 
 void hide(Area *a)
 {
 	Area *parent = (Area *)a->parent;
 
+	if (!a->on_screen)
+		return;
 	a->on_screen = FALSE;
 	if (parent)
 		parent->resize_needed = TRUE;
@@ -371,10 +410,29 @@ void show(Area *a)
 {
 	Area *parent = (Area *)a->parent;
 
+	if (a->on_screen)
+		return;
 	a->on_screen = TRUE;
 	if (parent)
 		parent->resize_needed = TRUE;
 	a->resize_needed = TRUE;
+	schedule_panel_redraw();
+}
+
+void update_dependent_gradients(Area *a)
+{
+	if (!a->on_screen)
+		return;
+	if (a->_changed) {
+		for (GList *l = a->dependent_gradients; l; l = l->next) {
+			GradientInstance *gi = (GradientInstance *)l->data;
+			update_gradient(gi);
+			if (gi->area != a)
+				schedule_redraw(gi->area);
+		}
+	}
+	for (GList *l = a->children; l; l = l->next)
+		update_dependent_gradients((Area *)l->data);
 }
 
 void draw(Area *a)
@@ -407,15 +465,15 @@ void draw(Area *a)
 		if (server.real_transparency)
 			clear_pixmap(a->pix, 0, 0, a->width, a->height);
 		XCopyArea(server.display,
-				  ((Panel *)a->panel)->temp_pmap,
-				  a->pix,
-				  server.gc,
-				  a->posx,
-				  a->posy,
-				  a->width,
-				  a->height,
-				  0,
-				  0);
+		          ((Panel *)a->panel)->temp_pmap,
+		          a->pix,
+		          server.gc,
+		          a->posx,
+		          a->posy,
+		          a->width,
+		          a->height,
+		          0,
+		          0);
 	} else {
 		a->_clear(a);
 	}
@@ -434,32 +492,47 @@ void draw(Area *a)
 
 void draw_background(Area *a, cairo_t *c)
 {
-	if (a->bg->fill_color.alpha > 0.0 ||
-		(panel_config.mouse_effects && (a->has_mouse_over_effect || a->has_mouse_press_effect))) {
+	if ((a->bg->fill_color.alpha > 0.0) ||
+	    (panel_config.mouse_effects && (a->has_mouse_over_effect || a->has_mouse_press_effect))) {
 		if (a->mouse_state == MOUSE_OVER)
 			cairo_set_source_rgba(c,
-								  a->bg->fill_color_hover.rgb[0],
-								  a->bg->fill_color_hover.rgb[1],
-								  a->bg->fill_color_hover.rgb[2],
-								  a->bg->fill_color_hover.alpha);
+			                      a->bg->fill_color_hover.rgb[0],
+			                      a->bg->fill_color_hover.rgb[1],
+			                      a->bg->fill_color_hover.rgb[2],
+			                      a->bg->fill_color_hover.alpha);
 		else if (a->mouse_state == MOUSE_DOWN)
 			cairo_set_source_rgba(c,
-								  a->bg->fill_color_pressed.rgb[0],
-								  a->bg->fill_color_pressed.rgb[1],
-								  a->bg->fill_color_pressed.rgb[2],
-								  a->bg->fill_color_pressed.alpha);
+			                      a->bg->fill_color_pressed.rgb[0],
+			                      a->bg->fill_color_pressed.rgb[1],
+			                      a->bg->fill_color_pressed.rgb[2],
+			                      a->bg->fill_color_pressed.alpha);
 		else
 			cairo_set_source_rgba(c,
-								  a->bg->fill_color.rgb[0],
-								  a->bg->fill_color.rgb[1],
-								  a->bg->fill_color.rgb[2],
-								  a->bg->fill_color.alpha);
+			                      a->bg->fill_color.rgb[0],
+			                      a->bg->fill_color.rgb[1],
+			                      a->bg->fill_color.rgb[2],
+			                      a->bg->fill_color.alpha);
+		// Not sure about this
 		draw_rect(c,
-				  a->bg->border.width,
-				  a->bg->border.width,
-				  a->width - (2.0 * a->bg->border.width),
-				  a->height - (2.0 * a->bg->border.width),
-				  a->bg->border.radius - a->bg->border.width / 1.571);
+		          left_border_width(a),
+		          top_border_width(a),
+		          a->width - left_right_border_width(a),
+		          a->height - top_bottom_border_width(a),
+		          a->bg->border.radius - a->bg->border.width / 1.571);
+
+		cairo_fill(c);
+	}
+	for (GList *l = a->gradient_instances_by_state[a->mouse_state]; l; l = l->next) {
+		GradientInstance *gi = (GradientInstance *)l->data;
+		if (!gi->pattern)
+			update_gradient(gi);
+		cairo_set_source(c, gi->pattern);
+		draw_rect(c,
+		          left_border_width(a),
+		          top_border_width(a),
+		          a->width - left_right_border_width(a),
+		          a->height - top_bottom_border_width(a),
+		          a->bg->border.radius - a->bg->border.width / 1.571);
 		cairo_fill(c);
 	}
 
@@ -469,28 +542,29 @@ void draw_background(Area *a, cairo_t *c)
 		// draw border inside (x, y, width, height)
 		if (a->mouse_state == MOUSE_OVER)
 			cairo_set_source_rgba(c,
-								  a->bg->border_color_hover.rgb[0],
-								  a->bg->border_color_hover.rgb[1],
-								  a->bg->border_color_hover.rgb[2],
-								  a->bg->border_color_hover.alpha);
+			                      a->bg->border_color_hover.rgb[0],
+			                      a->bg->border_color_hover.rgb[1],
+			                      a->bg->border_color_hover.rgb[2],
+			                      a->bg->border_color_hover.alpha);
 		else if (a->mouse_state == MOUSE_DOWN)
 			cairo_set_source_rgba(c,
-								  a->bg->border_color_pressed.rgb[0],
-								  a->bg->border_color_pressed.rgb[1],
-								  a->bg->border_color_pressed.rgb[2],
-								  a->bg->border_color_pressed.alpha);
+			                      a->bg->border_color_pressed.rgb[0],
+			                      a->bg->border_color_pressed.rgb[1],
+			                      a->bg->border_color_pressed.rgb[2],
+			                      a->bg->border_color_pressed.alpha);
 		else
 			cairo_set_source_rgba(c,
-								  a->bg->border.color.rgb[0],
-								  a->bg->border.color.rgb[1],
-								  a->bg->border.color.rgb[2],
-								  a->bg->border.color.alpha);
-		draw_rect(c,
-				  a->bg->border.width / 2.0,
-				  a->bg->border.width / 2.0,
-				  a->width - a->bg->border.width,
-				  a->height - a->bg->border.width,
-				  a->bg->border.radius);
+			                      a->bg->border.color.rgb[0],
+			                      a->bg->border.color.rgb[1],
+			                      a->bg->border.color.rgb[2],
+			                      a->bg->border.color.alpha);
+		draw_rect_on_sides(c,
+		                   left_border_width(a) / 2.,
+		                   top_border_width(a) / 2.,
+		                   a->width - left_right_border_width(a) / 2.,
+		                   a->height - top_bottom_border_width(a) / 2.,
+		                   a->bg->border.radius,
+		                   a->bg->border.mask);
 
 		cairo_stroke(c);
 	}
@@ -501,10 +575,12 @@ void remove_area(Area *a)
 	Area *area = (Area *)a;
 	Area *parent = (Area *)area->parent;
 
+	free_area_gradient_instances(a);
+
 	if (parent) {
 		parent->children = g_list_remove(parent->children, area);
 		parent->resize_needed = TRUE;
-		panel_refresh = TRUE;
+		schedule_panel_redraw();
 		schedule_redraw(parent);
 	}
 
@@ -522,7 +598,6 @@ void add_area(Area *a, Area *parent)
 		parent->children = g_list_append(parent->children, a);
 		parent->resize_needed = TRUE;
 		schedule_redraw(parent);
-		panel_refresh = TRUE;
 	}
 }
 
@@ -552,6 +627,7 @@ void free_area(Area *a)
 	if (mouse_over_area == a) {
 		mouse_over_area = NULL;
 	}
+	free_area_gradient_instances(a);
 }
 
 void mouse_over(Area *area, int pressed)
@@ -565,7 +641,7 @@ void mouse_over(Area *area, int pressed)
 			new_state = area->has_mouse_over_effect ? MOUSE_OVER : MOUSE_NORMAL;
 		} else {
 			new_state =
-				area->has_mouse_press_effect ? MOUSE_DOWN : area->has_mouse_over_effect ? MOUSE_OVER : MOUSE_NORMAL;
+			    area->has_mouse_press_effect ? MOUSE_DOWN : area->has_mouse_over_effect ? MOUSE_OVER : MOUSE_NORMAL;
 		}
 	}
 
@@ -577,11 +653,10 @@ void mouse_over(Area *area, int pressed)
 	mouse_over_area = area;
 
 	mouse_over_area->mouse_state = new_state;
-	mouse_over_area->pix =
-		mouse_over_area->pix_by_state[mouse_over_area->has_mouse_over_effect ? mouse_over_area->mouse_state : 0];
+	mouse_over_area->pix = mouse_over_area->pix_by_state[mouse_over_area->mouse_state];
 	if (!mouse_over_area->pix)
 		mouse_over_area->_redraw_needed = TRUE;
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 }
 
 void mouse_out()
@@ -589,11 +664,10 @@ void mouse_out()
 	if (!mouse_over_area)
 		return;
 	mouse_over_area->mouse_state = MOUSE_NORMAL;
-	mouse_over_area->pix =
-		mouse_over_area->pix_by_state[mouse_over_area->has_mouse_over_effect ? mouse_over_area->mouse_state : 0];
+	mouse_over_area->pix = mouse_over_area->pix_by_state[mouse_over_area->mouse_state];
 	if (!mouse_over_area->pix)
 		mouse_over_area->_redraw_needed = TRUE;
-	panel_refresh = TRUE;
+	schedule_panel_redraw();
 	mouse_over_area = NULL;
 }
 
@@ -701,3 +775,363 @@ Area *find_area_under_mouse(void *root, int x, int y)
 	} while (new_result != result);
 	return result;
 }
+
+int left_border_width(Area *a)
+{
+	return left_bg_border_width(a->bg);
+}
+
+int right_border_width(Area *a)
+{
+	return right_bg_border_width(a->bg);
+}
+
+int top_border_width(Area *a)
+{
+	return top_bg_border_width(a->bg);
+}
+
+int bottom_border_width(Area *a)
+{
+	return bottom_bg_border_width(a->bg);
+}
+
+int left_right_border_width(Area *a)
+{
+	return left_right_bg_border_width(a->bg);
+}
+
+int top_bottom_border_width(Area *a)
+{
+	return top_bottom_bg_border_width(a->bg);
+}
+
+int bg_border_width(Background *bg, int mask)
+{
+	return bg->border.mask & mask ? bg->border.width : 0;
+}
+
+int left_bg_border_width(Background *bg)
+{
+	return bg_border_width(bg, BORDER_LEFT);
+}
+
+int top_bg_border_width(Background *bg)
+{
+	return bg_border_width(bg, BORDER_TOP);
+}
+
+int right_bg_border_width(Background *bg)
+{
+	return bg_border_width(bg, BORDER_RIGHT);
+}
+
+int bottom_bg_border_width(Background *bg)
+{
+	return bg_border_width(bg, BORDER_BOTTOM);
+}
+
+int left_right_bg_border_width(Background *bg)
+{
+	return left_bg_border_width(bg) + right_bg_border_width(bg);
+}
+
+int top_bottom_bg_border_width(Background *bg)
+{
+	return top_bg_border_width(bg) + bottom_bg_border_width(bg);
+}
+
+void area_dump_geometry(Area *area, int indent)
+{
+	fprintf(stderr, "%*s%s:\n", indent, "", area->name);
+	indent += 2;
+	if (!area->on_screen) {
+		fprintf(stderr, "%*shidden\n", indent, "");
+		return;
+	}
+	fprintf(stderr,
+			"%*sBox: x = %d, y = %d, w = %d, h = %d, desired size = %d\n",
+	        indent,
+	        "",
+	        area->posx,
+	        area->posy,
+	        area->width,
+			area->height,
+			compute_desired_size(area));
+	fprintf(stderr,
+	        "%*sBorder: left = %d, right = %d, top = %d, bottom = %d\n",
+	        indent,
+	        "",
+	        left_border_width(area),
+	        right_border_width(area),
+	        top_border_width(area),
+	        bottom_border_width(area));
+	fprintf(stderr,
+	        "%*sPadding: left = right = %d, top = bottom = %d, spacing = %d\n",
+	        indent,
+	        "",
+	        area->paddingxlr,
+	        area->paddingy,
+	        area->paddingx);
+	if (area->_dump_geometry)
+		area->_dump_geometry(area, indent);
+	if (area->children) {
+		fprintf(stderr, "%*sChildren:\n", indent, "");
+		indent += 2;
+		for (GList *l = area->children; l; l = l->next)
+			area_dump_geometry((Area *)l->data, indent);
+	}
+}
+
+Area *compute_element_area(Area *area, Element element)
+{
+	if (element == ELEMENT_SELF)
+		return area;
+	if (element == ELEMENT_PARENT)
+		return (Area *)area->parent;
+	if (element == ELEMENT_PANEL)
+		return (Area *)area->panel;
+	g_assert_not_reached();
+	return area;
+}
+
+void instantiate_gradient_offsets(GradientInstance *gi, GList *offsets)
+{
+	for (GList *l = offsets; l; l = l->next) {
+		Offset *offset = (Offset *)l->data;
+		if (!offset->constant) {
+			Area *element_area = compute_element_area(gi->area, offset->element);
+			element_area->dependent_gradients = g_list_append(element_area->dependent_gradients, gi);
+		}
+	}
+}
+
+void free_gradient_offsets(GradientInstance *gi, GList **offsets)
+{
+	for (GList *l = *offsets; l; l = l->next) {
+		Offset *offset = (Offset *)l->data;
+		if (!offset->constant) {
+			Area *element_area = compute_element_area(gi->area, offset->element);
+			element_area->dependent_gradients = g_list_remove_all(element_area->dependent_gradients, gi);
+		}
+	}
+}
+
+void instantiate_gradient_point(GradientInstance *gi, ControlPoint *control)
+{
+	instantiate_gradient_offsets(gi, control->offsets_x);
+	instantiate_gradient_offsets(gi, control->offsets_y);
+	instantiate_gradient_offsets(gi, control->offsets_r);
+}
+
+void free_gradient_instance_point(GradientInstance *gi, ControlPoint *control)
+{
+	free_gradient_offsets(gi, &control->offsets_x);
+	free_gradient_offsets(gi, &control->offsets_y);
+	free_gradient_offsets(gi, &control->offsets_r);
+}
+
+void instantiate_gradient(Area *area, GradientClass *g, GradientInstance *gi)
+{
+	g_assert_nonnull(area);
+	g_assert_nonnull(g);
+	gi->area = area;
+	gi->gradient_class = g;
+	instantiate_gradient_point(gi, &g->from);
+	instantiate_gradient_point(gi, &g->to);
+}
+
+void free_gradient_instance(GradientInstance *gi)
+{
+	if (gi->pattern) {
+		cairo_pattern_destroy(gi->pattern);
+		gi->pattern = NULL;
+	}
+	free_gradient_instance_point(gi, &gi->gradient_class->from);
+	free_gradient_instance_point(gi, &gi->gradient_class->to);
+	gi->gradient_class = NULL;
+}
+
+void instantiate_area_gradients(Area *area)
+{
+	if (debug_gradients)
+		fprintf(stderr, "Initializing gradients for area %s\n", area->name);
+	for (int i = 0; i < MOUSE_STATE_COUNT; i++) {
+		g_assert_null(area->gradient_instances_by_state[i]);
+		GradientClass *g = area->bg->gradients[i];
+		if (!g)
+			continue;
+		GradientInstance *gi = (GradientInstance *)calloc(1, sizeof(GradientInstance));
+		instantiate_gradient(area, g, gi);
+		area->gradient_instances_by_state[i] = g_list_append(area->gradient_instances_by_state[i], gi);
+	}
+}
+
+void free_area_gradient_instances(Area *area)
+{
+	if (debug_gradients)
+		fprintf(stderr, "Freeing gradients for area %s\n", area->name);
+	for (int i = 0; i < MOUSE_STATE_COUNT; i++) {
+		for (GList *l = area->gradient_instances_by_state[i]; l; l = l->next) {
+			GradientInstance *gi = (GradientInstance *)l->data;
+			free_gradient_instance(gi);
+		}
+		g_list_free_full(area->gradient_instances_by_state[i], free);
+		area->gradient_instances_by_state[i] = NULL;
+	}
+	g_assert_null(area->dependent_gradients);
+}
+
+double compute_control_point_offset(Area *area, Offset *offset)
+{
+	if (offset->constant)
+		return offset->constant_value;
+
+	Area *element_area = compute_element_area(area, offset->element);
+	Area *parent_area = ((Area *)area->parent);
+	g_assert_nonnull(element_area);
+	g_assert_nonnull(parent_area);
+
+	double width = element_area->width;
+	double height = element_area->height;
+	double radius = sqrt(element_area->width * element_area->width + element_area->height * element_area->height) / 2.0;
+
+	double left, top;
+	if (offset->element == ELEMENT_SELF) {
+		left = 0;
+		top = 0;
+	} else if (offset->element == ELEMENT_PARENT) {
+		left = parent_area->posx - area->posx;
+		top = parent_area->posy - area->posy;
+	} else if (offset->element == ELEMENT_PANEL) {
+		left = 0 - area->posx;
+		top = 0 - area->posy;
+	}
+
+	double right = left + width;
+	double bottom = top + height;
+	double center_x = left + 0.5 * width;
+	double center_y = top + 0.5 * height;
+
+	if (offset->variable == SIZE_WIDTH)
+		return width * offset->multiplier;
+	if (offset->variable == SIZE_HEIGHT)
+		return height * offset->multiplier;
+	if (offset->variable == SIZE_RADIUS)
+		return radius * offset->multiplier;
+	if (offset->variable == SIZE_LEFT)
+		return left * offset->multiplier;
+	if (offset->variable == SIZE_RIGHT)
+		return right * offset->multiplier;
+	if (offset->variable == SIZE_TOP)
+		return top * offset->multiplier;
+	if (offset->variable == SIZE_BOTTOM)
+		return bottom * offset->multiplier;
+	if (offset->variable == SIZE_CENTERX)
+		return center_x * offset->multiplier;
+	if (offset->variable == SIZE_CENTERY)
+		return center_y * offset->multiplier;
+
+	g_assert_not_reached();
+	return 0;
+}
+
+double compute_control_point_offsets(GradientInstance *gi, GList *offsets)
+{
+	double result = 0;
+	for (GList *l = offsets; l; l = l->next) {
+		Offset *offset = (Offset *)l->data;
+		result += compute_control_point_offset(gi->area, offset);
+	}
+	return result;
+}
+
+void compute_control_point(GradientInstance *gi, ControlPoint *control, double *x, double *y, double *r)
+{
+	*x = compute_control_point_offsets(gi, control->offsets_x);
+	*y = compute_control_point_offsets(gi, control->offsets_y);
+	*r = compute_control_point_offsets(gi, control->offsets_r);
+}
+
+void update_gradient(GradientInstance *gi)
+{
+	if (gi->pattern) {
+		return;
+		cairo_pattern_destroy(gi->pattern);
+		gi->pattern = NULL;
+	}
+	double from_x, from_y, from_r;
+	compute_control_point(gi, &gi->gradient_class->from, &from_x, &from_y, &from_r);
+	double to_x, to_y, to_r;
+	compute_control_point(gi, &gi->gradient_class->to, &to_x, &to_y, &to_r);
+	if (gi->gradient_class->type == GRADIENT_VERTICAL || gi->gradient_class->type == GRADIENT_HORIZONTAL) {
+		gi->pattern = cairo_pattern_create_linear(from_x, from_y, to_x, to_y);
+		if (debug_gradients)
+			fprintf(stderr,
+			        "Creating linear gradient for area %s: %f %f, %f %f\n",
+			        gi->area->name,
+			        from_x,
+			        from_y,
+			        to_x,
+			        to_y);
+	} else if (gi->gradient_class->type == GRADIENT_CENTERED) {
+		gi->pattern = cairo_pattern_create_radial(from_x, from_y, from_r, to_x, to_y, to_r);
+		if (debug_gradients)
+			fprintf(stderr,
+			        "Creating radial gradient for area %s: %f %f %f, %f %f %f\n",
+			        gi->area->name,
+			        from_x,
+			        from_y,
+			        from_r,
+			        to_x,
+			        to_y,
+			        to_r);
+	} else {
+		g_assert_not_reached();
+	}
+	if (debug_gradients)
+		fprintf(stderr,
+		        "Adding color stop at offset %f: %f %f %f %f\n",
+		        0.0,
+		        gi->gradient_class->start_color.rgb[0],
+		        gi->gradient_class->start_color.rgb[1],
+		        gi->gradient_class->start_color.rgb[2],
+		        gi->gradient_class->start_color.alpha);
+	cairo_pattern_add_color_stop_rgba(gi->pattern,
+	                                  0,
+	                                  gi->gradient_class->start_color.rgb[0],
+	                                  gi->gradient_class->start_color.rgb[1],
+	                                  gi->gradient_class->start_color.rgb[2],
+	                                  gi->gradient_class->start_color.alpha);
+	for (GList *l = gi->gradient_class->extra_color_stops; l; l = l->next) {
+		ColorStop *color_stop = (ColorStop *)l->data;
+		if (debug_gradients)
+			fprintf(stderr,
+			        "Adding color stop at offset %f: %f %f %f %f\n",
+			        color_stop->offset,
+			        color_stop->color.rgb[0],
+			        color_stop->color.rgb[1],
+			        color_stop->color.rgb[2],
+			        color_stop->color.alpha);
+		cairo_pattern_add_color_stop_rgba(gi->pattern,
+		                                  color_stop->offset,
+		                                  color_stop->color.rgb[0],
+		                                  color_stop->color.rgb[1],
+		                                  color_stop->color.rgb[2],
+		                                  color_stop->color.alpha);
+	}
+	if (debug_gradients)
+		fprintf(stderr,
+		        "Adding color stop at offset %f: %f %f %f %f\n",
+		        1.0,
+		        gi->gradient_class->end_color.rgb[0],
+		        gi->gradient_class->end_color.rgb[1],
+		        gi->gradient_class->end_color.rgb[2],
+		        gi->gradient_class->end_color.alpha);
+	cairo_pattern_add_color_stop_rgba(gi->pattern,
+	                                  1.0,
+	                                  gi->gradient_class->end_color.rgb[0],
+	                                  gi->gradient_class->end_color.rgb[1],
+	                                  gi->gradient_class->end_color.rgb[2],
+	                                  gi->gradient_class->end_color.alpha);
+}

src/util/area.h

@@ -11,6 +11,9 @@
 #include <cairo.h>
 #include <cairo-xlib.h>
 
+#include "color.h"
+#include "gradient.h"
+
 // DATA ORGANISATION
 //
 // Areas in tint2 are similar to widgets in a GUI.
@@ -117,12 +120,14 @@
 //   The caller takes ownership of the pointer.
 //   The Area's _get_tooltip_text member must point to this function.
 
-typedef struct Color {
-	// Values are in [0, 1], with 0 meaning no intensity.
-	double rgb[3];
-	// Values are in [0, 1], with 0 meaning fully transparent, 1 meaning fully opaque.
-	double alpha;
-} Color;
+typedef enum BorderMask {
+	BORDER_TOP     = 1 << 0,
+	BORDER_BOTTOM  = 1 << 1,
+	BORDER_LEFT    = 1 << 2,
+	BORDER_RIGHT   = 1 << 3
+} BorderMask;
+
+#define BORDER_ALL (BORDER_TOP | BORDER_BOTTOM | BORDER_LEFT | BORDER_RIGHT)
 
 typedef struct Border {
 	// It's essential that the first member is color
@@ -131,8 +136,12 @@ typedef struct Border {
 	int width;
 	// Corner radius
 	int radius;
+	// Mask: bitwise OR of BorderMask
+	int mask;
 } Border;
 
+typedef enum MouseState { MOUSE_NORMAL = 0, MOUSE_OVER = 1, MOUSE_DOWN = 2, MOUSE_STATE_COUNT } MouseState;
+
 typedef struct Background {
 	// Normal state
 	Color fill_color;
@@ -143,6 +152,8 @@ typedef struct Background {
 	// On mouse press
 	Color fill_color_pressed;
 	Color border_color_pressed;
+	// Pointer to a GradientClass or NULL, no ownership
+	GradientClass *gradients[MOUSE_STATE_COUNT];
 } Background;
 
 typedef enum Layout {
@@ -156,8 +167,6 @@ typedef enum Alignment {
 	ALIGN_RIGHT = 2,
 } Alignment;
 
-typedef enum MouseState { MOUSE_NORMAL = 0, MOUSE_OVER = 1, MOUSE_DOWN = 2, MOUSE_STATE_COUNT } MouseState;
-
 struct Panel;
 
 typedef struct Area {
@@ -165,7 +174,12 @@ typedef struct Area {
 	int posx, posy;
 	// Size, including borders
 	int width, height;
+	int old_width, old_height;
 	Background *bg;
+	// Each element is a GradientInstance attached to this Area (list can be empty)
+	GList *gradient_instances_by_state[MOUSE_STATE_COUNT];
+	// Each element is a GradientInstance that depends on this Area's geometry (position or size)
+	GList *dependent_gradients;
 	// List of children, each one a pointer to Area
 	GList *children;
 	// Pointer to the parent Area or NULL
@@ -208,6 +222,10 @@ typedef struct Area {
 	// Returns 1 if the new size is different than the previous size.
 	gboolean (*_resize)(void *obj);
 
+	// Called before resize, obj = pointer to the Area
+	// Returns the desired size of the Area
+	int (*_compute_desired_size)(void *obj);
+
 	// Implemented only to override the default layout algorithm for this widget.
 	// For example, if this widget is a cell in a table, its position and size should be computed here.
 	void (*_on_change_layout)(void *obj);
@@ -219,6 +237,9 @@ typedef struct Area {
 	// Returns true if the Area handles a mouse event at the given x, y coordinates relative to the window.
 	// Leave this to NULL to use a default implementation.
 	gboolean (*_is_under_mouse)(void *obj, int x, int y);
+
+	// Prints the geometry of the object on stderr, with left indentation of indent spaces.
+	void (*_dump_geometry)(void *obj, int indent);
 } Area;
 
 // Initializes the Background member to default values.
@@ -239,6 +260,23 @@ void relayout(Area *a);
 // If maximum_size > 0, it is an upper limit for the child size.
 int relayout_with_constraint(Area *a, int maximum_size);
 
+int compute_desired_size(Area *a);
+int container_compute_desired_size(Area *a);
+
+int left_border_width(Area *a);
+int right_border_width(Area *a);
+int left_right_border_width(Area *a);
+int top_border_width(Area *a);
+int bottom_border_width(Area *a);
+int top_bottom_border_width(Area *a);
+
+int left_bg_border_width(Background *bg);
+int right_bg_border_width(Background *bg);
+int top_bg_border_width(Background *bg);
+int bottom_bg_border_width(Background *bg);
+int left_right_bg_border_width(Background *bg);
+int top_bottom_bg_border_width(Background *bg);
+
 // Rendering
 
 // Sets the redraw_needed flag on the area and its descendants
@@ -281,7 +319,15 @@ gboolean area_is_under_mouse(void *obj, int x, int y);
 // they are outside the drawing area of the button.
 gboolean full_width_area_is_under_mouse(void *obj, int x, int y);
 
+void instantiate_area_gradients(Area *area);
+void free_area_gradient_instances(Area *area);
+
+void area_dump_geometry(Area *area, int indent);
+
 void mouse_over(Area *area, int pressed);
 void mouse_out();
 
+void update_gradient(GradientInstance *gi);
+void update_dependent_gradients(Area *a);
+
 #endif

src/util/cache.c

@@ -86,6 +86,8 @@ void load_cache(Cache *cache, const gchar *cache_path)
 
 		if (parse_line(line, &key, &value)) {
 			g_hash_table_insert(cache->_table, g_strdup(key), g_strdup(value));
+			free(key);
+			free(value);
 		}
 	}
 	free(line);

src/util/color.c

@@ -0,0 +1,2 @@
+#include "color.h"
+

src/util/color.h

@@ -0,0 +1,11 @@
+#ifndef COLOR_H
+#define COLOR_H
+
+typedef struct Color {
+	// Values are in [0, 1], with 0 meaning no intensity.
+	double rgb[3];
+	// Values are in [0, 1], with 0 meaning fully transparent, 1 meaning fully opaque.
+	double alpha;
+} Color;
+
+#endif // COLOR_H

src/util/common.c

@@ -73,15 +73,15 @@ void copy_file(const char *path_src, const char *path_dest)
 	fclose(file_src);
 }
 
-int parse_line(const char *line, char **key, char **value)
+gboolean parse_line(const char *line, char **key, char **value)
 {
 	char *a, *b;
 
 	/* Skip useless lines */
 	if ((line[0] == '#') || (line[0] == '\n'))
-		return 0;
+		return FALSE;
 	if (!(a = strchr(line, '=')))
-		return 0;
+		return FALSE;
 
 	/* overwrite '=' with '\0' */
 	a[0] = '\0';
@@ -96,7 +96,7 @@ int parse_line(const char *line, char **key, char **value)
 
 	g_strstrip(*key);
 	g_strstrip(*value);
-	return 1;
+	return TRUE;
 }
 
 void tint_exec(const char *command)
@@ -199,43 +199,44 @@ void get_color(char *hex, double *rgb)
 	rgb[2] = (b / 255.0);
 }
 
-void extract_values(const char *value, char **value1, char **value2, char **value3)
+void extract_values(const char *str, char **value1, char **value2, char **value3)
 {
-	char *b = 0, *c = 0;
-
-	if (*value1)
-		free(*value1);
-	if (*value2)
-		free(*value2);
-	if (*value3)
-		free(*value3);
-
-	if ((b = strchr(value, ' '))) {
-		b[0] = '\0';
-		b++;
-	} else {
-		*value2 = 0;
-		*value3 = 0;
-	}
-	*value1 = strdup(value);
-	g_strstrip(*value1);
-
-	if (b) {
-		if ((c = strchr(b, ' '))) {
-			c[0] = '\0';
-			c++;
-		} else {
-			c = 0;
-			*value3 = 0;
+	*value1 = NULL;
+	*value2 = NULL;
+	*value3 = NULL;
+	char **tokens = g_strsplit(str, " ", 3);
+	if (tokens[0]) {
+		*value1 = strdup(tokens[0]);
+		if (tokens[1]) {
+			*value2 = strdup(tokens[1]);
+			if (tokens[2]) {
+				*value3 = strdup(tokens[2]);
+			}
 		}
-		*value2 = strdup(b);
-		g_strstrip(*value2);
 	}
+	g_strfreev(tokens);
+}
 
-	if (c) {
-		*value3 = strdup(c);
-		g_strstrip(*value3);
+void extract_values_4(const char *str, char **value1, char **value2, char **value3, char **value4)
+{
+	*value1 = NULL;
+	*value2 = NULL;
+	*value3 = NULL;
+	*value4 = NULL;
+	char **tokens = g_strsplit(str, " ", 4);
+	if (tokens[0]) {
+		*value1 = strdup(tokens[0]);
+		if (tokens[1]) {
+			*value2 = strdup(tokens[1]);
+			if (tokens[2]) {
+				*value3 = strdup(tokens[2]);
+				if (tokens[3]) {
+					*value4 = strdup(tokens[3]);
+				}
+			}
+		}
 	}
+	g_strfreev(tokens);
 }
 
 void adjust_asb(DATA32 *data, int w, int h, float alpha_adjust, float satur_adjust, float bright_adjust)
@@ -448,9 +449,9 @@ Imlib_Image load_image(const char *path, int cached)
 	}
 	if (!image && g_str_has_suffix(path, ".svg")) {
 		char tmp_filename[128];
-		sprintf(tmp_filename, "/tmp/tint2-%d-XXXXXX.png", (int)getpid());
-		int fd = mkstemps(tmp_filename, 4);
-		if (fd) {
+		sprintf(tmp_filename, "/tmp/tint2-%d.png", (int)getpid());
+		int fd = open(tmp_filename, O_CREAT | O_EXCL, 0600);
+		if (fd >= 0) {
 			// We fork here because librsvg allocates memory like crazy
 			pid_t pid = fork();
 			if (pid == 0) {
@@ -468,6 +469,7 @@ Imlib_Image load_image(const char *path, int cached)
 				exit(0);
 			} else {
 				// Parent
+				close(fd);
 				waitpid(pid, 0, 0);
 				image = imlib_load_image_immediately_without_cache(tmp_filename);
 				unlink(tmp_filename);
@@ -508,20 +510,61 @@ Imlib_Image adjust_icon(Imlib_Image original, int alpha, int saturation, int bri
 
 void draw_rect(cairo_t *c, double x, double y, double w, double h, double r)
 {
-	if (r > 0.0) {
-		double c1 = 0.55228475 * r;
+	draw_rect_on_sides(c, x, y, w, h, r, BORDER_ALL);
+}
 
-		cairo_move_to(c, x + r, y);
+void draw_rect_on_sides(cairo_t *c, double x, double y, double w, double h, double r, int border_mask)
+{
+	double c1 = 0.55228475 * r;
+	cairo_move_to(c, x + r, y);
+	// Top line
+	if (border_mask & BORDER_TOP)
 		cairo_rel_line_to(c, w - 2 * r, 0);
-		cairo_rel_curve_to(c, c1, 0.0, r, c1, r, r);
+	else
+		cairo_rel_move_to(c, w - 2 * r, y);
+	// Top right corner
+	if (r > 0) {
+		if ((border_mask & BORDER_TOP) && (border_mask & BORDER_RIGHT))
+			cairo_rel_curve_to(c, c1, 0.0, r, c1, r, r);
+		else
+			cairo_rel_move_to(c, r, r);
+	}
+	// Right line
+	if (border_mask & BORDER_RIGHT)
 		cairo_rel_line_to(c, 0, h - 2 * r);
-		cairo_rel_curve_to(c, 0.0, c1, c1 - r, r, -r, r);
+	else
+		cairo_rel_move_to(c, 0, h - 2 * r);
+	// Bottom right corner
+	if (r > 0) {
+		if ((border_mask & BORDER_RIGHT) && (border_mask & BORDER_BOTTOM))
+			cairo_rel_curve_to(c, 0.0, c1, c1 - r, r, -r, r);
+		else
+			cairo_rel_move_to(c, -r, r);
+	}
+	// Bottom line
+	if (border_mask & BORDER_BOTTOM)
 		cairo_rel_line_to(c, -w + 2 * r, 0);
-		cairo_rel_curve_to(c, -c1, 0, -r, -c1, -r, -r);
+	else
+		cairo_rel_move_to(c, -w + 2 * r, 0);
+	// Bottom left corner
+	if (r > 0) {
+		if ((border_mask & BORDER_LEFT) && (border_mask & BORDER_BOTTOM))
+			cairo_rel_curve_to(c, -c1, 0, -r, -c1, -r, -r);
+		else
+			cairo_rel_move_to(c, -r, -r);
+	}
+	// Left line
+	if (border_mask & BORDER_LEFT)
 		cairo_rel_line_to(c, 0, -h + 2 * r);
-		cairo_rel_curve_to(c, 0, -c1, r - c1, -r, r, -r);
-	} else
-		cairo_rectangle(c, x, y, w, h);
+	else
+		cairo_rel_move_to(c, 0, -h + 2 * r);
+	// Top left corner
+	if (r > 0) {
+		if ((border_mask & BORDER_LEFT) && (border_mask & BORDER_TOP))
+			cairo_rel_curve_to(c, 0, -c1, r - c1, -r, r, -r);
+		else
+			cairo_rel_move_to(c, r, -r);
+	}
 }
 
 void clear_pixmap(Pixmap p, int x, int y, int w, int h)
@@ -576,7 +619,7 @@ void get_text_size2(PangoFontDescription *font,
 	XFreePixmap(server.display, pmap);
 }
 
-#if !GLIB_CHECK_VERSION(2, 33, 4)
+#if !GLIB_CHECK_VERSION(2, 34, 0)
 GList *g_list_copy_deep(GList *list, GCopyFunc func, gpointer user_data)
 {
 	list = g_list_copy(list);
@@ -597,7 +640,8 @@ GSList *load_locations_from_env(GSList *locations, const char *var, ...)
 	if (value) {
 		value = strdup(value);
 		char *p = value;
-		for (char *token = strsep(&value, ":"); token; token = strsep(&value, ":")) {
+		char *t;
+		for (char *token = strtok_r(value, ":", &t); token; token = strtok_r(NULL, ":", &t)) {
 			va_list ap;
 			va_start(ap, var);
 			for (const char *suffix = va_arg(ap, const char *); suffix; suffix = va_arg(ap, const char *)) {
@@ -632,3 +676,13 @@ GSList *slist_remove_duplicates(GSList *list, GCompareFunc eq, GDestroyNotify fr
 
 	return new_list;
 }
+
+gint cmp_ptr(gconstpointer a, gconstpointer b)
+{
+	if (a < b)
+		return -1;
+	else if (a == b)
+		return 0;
+	else
+		return 1;
+}

src/util/common.h

@@ -48,9 +48,10 @@ void copy_file(const char *path_src, const char *path_dest);
 // Strips key and value.
 // Values may contain spaces and the equal sign.
 // Returns 1 if both key and value could be read, zero otherwise.
-int parse_line(const char *line, char **key, char **value);
+gboolean parse_line(const char *line, char **key, char **value);
 
 void extract_values(const char *value, char **value1, char **value2, char **value3);
+void extract_values_4(const char *value, char **value1, char **value2, char **value3, char **value4);
 
 // Executes a command in a shell.
 void tint_exec(const char *command);
@@ -108,6 +109,7 @@ void draw_text(PangoLayout *layout, cairo_t *c, int posx, int posy, Color *color
 
 // Draws a rounded rectangle
 void draw_rect(cairo_t *c, double x, double y, double w, double h, double r);
+void draw_rect_on_sides(cairo_t *c, double x, double y, double w, double h, double r, int border_mask);
 
 // Clears the pixmap (with transparent color)
 void clear_pixmap(Pixmap p, int x, int y, int w, int h);
@@ -119,6 +121,9 @@ GSList *load_locations_from_env(GSList *locations, const char *var, ...);
 
 GSList *slist_remove_duplicates(GSList *list, GCompareFunc eq, GDestroyNotify fr);
 
+// A trivial pointer comparator.
+gint cmp_ptr(gconstpointer a, gconstpointer b);
+
 #define free_and_null(p) \
 	{                    \
 		free(p);         \

src/util/gradient.c

@@ -0,0 +1,123 @@
+#include "gradient.h"
+
+#include <glib.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+
+gboolean read_double(const char *str, double *value)
+{
+	if (!str[0])
+		return FALSE;
+	char *end;
+	*value = strtod(str, &end);
+	if (end[0])
+		return FALSE;
+	return TRUE;
+}
+
+gboolean read_double_with_percent(const char *str, double *value)
+{
+	if (!str[0])
+		return FALSE;
+	char *end;
+	*value = strtod(str, &end);
+	if (end[0] == '%' && !end[1]) {
+		*value *= 0.01;
+		return TRUE;
+	}
+	if (end[0])
+		return FALSE;
+	return TRUE;
+}
+
+GradientType gradient_type_from_string(const char *str)
+{
+	if (g_str_equal(str, "horizontal"))
+		return GRADIENT_HORIZONTAL;
+	if (g_str_equal(str, "vertical"))
+		return GRADIENT_VERTICAL;
+	if (g_str_equal(str, "radial"))
+		return GRADIENT_CENTERED;
+	fprintf(stderr, RED "Invalid gradient type: %s" RESET "\n", str);
+	return GRADIENT_VERTICAL;
+}
+
+void init_gradient(GradientClass *g, GradientType type)
+{
+	memset(g, 0, sizeof(*g));
+	g->type = type;
+	if (g->type == GRADIENT_VERTICAL) {
+		Offset *offset_top = (Offset *)calloc(1, sizeof(Offset));
+		offset_top->constant = TRUE;
+		offset_top->constant_value = 0;
+		g->from.offsets_y = g_list_append(g->from.offsets_y, offset_top);
+		Offset *offset_bottom = (Offset *)calloc(1, sizeof(Offset));
+		offset_bottom->constant = FALSE;
+		offset_bottom->element = ELEMENT_SELF;
+		offset_bottom->variable = SIZE_HEIGHT;
+		offset_bottom->multiplier = 1.0;
+		g->to.offsets_y = g_list_append(g->to.offsets_y, offset_bottom);
+	} else if (g->type == GRADIENT_HORIZONTAL) {
+		Offset *offset_left = (Offset *)calloc(1, sizeof(Offset));
+		offset_left->constant = TRUE;
+		offset_left->constant_value = 0;
+		g->from.offsets_x = g_list_append(g->from.offsets_x, offset_left);
+		Offset *offset_right = (Offset *)calloc(1, sizeof(Offset));
+		offset_right->constant = FALSE;
+		offset_right->element = ELEMENT_SELF;
+		offset_right->variable = SIZE_WIDTH;
+		offset_right->multiplier = 1.0;
+		g->to.offsets_x = g_list_append(g->to.offsets_x, offset_right);
+	} else if (g->type == GRADIENT_CENTERED) {
+		// from
+		Offset *offset_center_x = (Offset *)calloc(1, sizeof(Offset));
+		offset_center_x->constant = FALSE;
+		offset_center_x->element = ELEMENT_SELF;
+		offset_center_x->variable = SIZE_CENTERX;
+		offset_center_x->multiplier = 1.0;
+		g->from.offsets_x = g_list_append(g->from.offsets_x, offset_center_x);
+		Offset *offset_center_y = (Offset *)calloc(1, sizeof(Offset));
+		offset_center_y->constant = FALSE;
+		offset_center_y->element = ELEMENT_SELF;
+		offset_center_y->variable = SIZE_CENTERY;
+		offset_center_y->multiplier = 1.0;
+		g->from.offsets_y = g_list_append(g->from.offsets_y, offset_center_y);
+		Offset *offset_center_r = (Offset *)calloc(1, sizeof(Offset));
+		offset_center_r->constant = TRUE;
+		offset_center_r->constant_value = 0;
+		g->from.offsets_r = g_list_append(g->from.offsets_r, offset_center_r);
+		// to
+		offset_center_x = (Offset *)calloc(1, sizeof(Offset));
+		offset_center_x->constant = FALSE;
+		offset_center_x->element = ELEMENT_SELF;
+		offset_center_x->variable = SIZE_CENTERX;
+		offset_center_x->multiplier = 1.0;
+		g->to.offsets_x = g_list_append(g->to.offsets_x, offset_center_x);
+		offset_center_y = (Offset *)calloc(1, sizeof(Offset));
+		offset_center_y->constant = FALSE;
+		offset_center_y->element = ELEMENT_SELF;
+		offset_center_y->variable = SIZE_CENTERY;
+		offset_center_y->multiplier = 1.0;
+		g->to.offsets_y = g_list_append(g->to.offsets_y, offset_center_y);
+		offset_center_r = (Offset *)calloc(1, sizeof(Offset));
+		offset_center_r->constant = FALSE;
+		offset_center_r->element = ELEMENT_SELF;
+		offset_center_r->variable = SIZE_RADIUS;
+		offset_center_r->multiplier = 1.0;
+		g->to.offsets_r = g_list_append(g->to.offsets_r, offset_center_r);
+	}
+}
+
+void cleanup_gradient(GradientClass *g)
+{
+	g_list_free_full(g->extra_color_stops, free);
+	g_list_free_full(g->from.offsets_x, free);
+	g_list_free_full(g->from.offsets_y, free);
+	g_list_free_full(g->from.offsets_r, free);
+	g_list_free_full(g->to.offsets_x, free);
+	g_list_free_full(g->to.offsets_y, free);
+	g_list_free_full(g->to.offsets_r, free);
+	bzero(g, sizeof(*g));
+}

src/util/gradient.h

@@ -0,0 +1,88 @@
+#ifndef GRADIENT_H
+#define GRADIENT_H
+
+#include <glib.h>
+#include <cairo.h>
+
+#include "color.h"
+
+//////////////////////////////////////////////////////////////////////
+// Gradient types read from config options, not associated to any area
+
+typedef enum GradientType {
+	GRADIENT_VERTICAL = 0,
+	GRADIENT_HORIZONTAL,
+	GRADIENT_CENTERED
+} GradientType;
+
+typedef struct ColorStop {
+	Color color;
+	// offset in 0-1
+	double offset;
+} ColorStop;
+
+typedef enum Element {
+	ELEMENT_SELF = 0,
+	ELEMENT_PARENT,
+	ELEMENT_PANEL
+} Element;
+
+typedef enum SizeVariable {
+	SIZE_WIDTH = 0,
+	SIZE_HEIGHT,
+	SIZE_RADIUS,
+	SIZE_LEFT,
+	SIZE_RIGHT,
+	SIZE_TOP,
+	SIZE_BOTTOM,
+	SIZE_CENTERX,
+	SIZE_CENTERY
+} SizeVariable;
+
+typedef struct Offset {
+	gboolean constant;
+	// if constant == true
+	double constant_value;
+	// else
+	Element element;
+	SizeVariable variable;
+	double multiplier;
+} Offset;
+
+typedef struct ControlPoint {
+	// Each element is an Offset
+	GList *offsets_x;
+	GList *offsets_y;
+	// Defined only for radial gradients
+	GList *offsets_r;
+} ControlPoint;
+
+typedef struct GradientClass {
+	GradientType type;
+	Color start_color;
+	Color end_color;
+	// Each element is a ColorStop
+	GList *extra_color_stops;
+	ControlPoint from;
+	ControlPoint to;
+} GradientClass;
+
+GradientType gradient_type_from_string(const char *str);
+void init_gradient(GradientClass *g, GradientType type);
+void cleanup_gradient(GradientClass *g);
+
+/////////////////////////////////////////
+// Gradient instances associated to Areas
+
+struct Area;
+typedef struct Area Area;
+
+typedef struct GradientInstance {
+	GradientClass *gradient_class;
+	Area *area;
+	cairo_pattern_t *pattern;
+} GradientInstance;
+
+extern gboolean debug_gradients;
+
+#endif // GRADIENT_H

test/acer-chromebook-c100pa/out.txt

@@ -0,0 +1,163 @@
+/sys/class/power_supply/bq27500-0/
+cat: /sys/class/power_supply/bq27500-0/: Is a directory
+/sys/class/power_supply/bq27500-0/temp
+236
+/sys/class/power_supply/bq27500-0/type
+Battery
+/sys/class/power_supply/bq27500-0/power_avg
+65324
+/sys/class/power_supply/bq27500-0/power
+cat: /sys/class/power_supply/bq27500-0/power: Is a directory
+/sys/class/power_supply/bq27500-0/power/control
+auto
+/sys/class/power_supply/bq27500-0/power/async
+disabled
+/sys/class/power_supply/bq27500-0/power/wakeup_abort_count
+0
+/sys/class/power_supply/bq27500-0/power/wakeup_active
+0
+/sys/class/power_supply/bq27500-0/power/wakeup_type
+unknown
+/sys/class/power_supply/bq27500-0/power/wakeup_total_time_ms
+46
+/sys/class/power_supply/bq27500-0/power/wakeup_active_count
+3
+/sys/class/power_supply/bq27500-0/power/runtime_enabled
+disabled
+/sys/class/power_supply/bq27500-0/power/runtime_active_kids
+0
+/sys/class/power_supply/bq27500-0/power/runtime_active_time
+0
+/sys/class/power_supply/bq27500-0/power/wakeup_max_time_ms
+16
+/sys/class/power_supply/bq27500-0/power/wakeup_count
+3
+/sys/class/power_supply/bq27500-0/power/wakeup_last_time_ms
+264291
+/sys/class/power_supply/bq27500-0/power/wakeup
+enabled
+/sys/class/power_supply/bq27500-0/power/autosuspend_delay_ms
+cat: /sys/class/power_supply/bq27500-0/power/autosuspend_delay_ms: Input/output error
+/sys/class/power_supply/bq27500-0/power/runtime_status
+unsupported
+/sys/class/power_supply/bq27500-0/power/runtime_usage
+0
+/sys/class/power_supply/bq27500-0/power/wakeup_expire_count
+0
+/sys/class/power_supply/bq27500-0/power/runtime_suspended_time
+0
+/sys/class/power_supply/bq27500-0/charge_full_design
+8180000
+/sys/class/power_supply/bq27500-0/current_now
+-498000
+/sys/class/power_supply/bq27500-0/charge_now
+7253000
+/sys/class/power_supply/bq27500-0/charge_full
+7323000
+/sys/class/power_supply/bq27500-0/device
+cat: /sys/class/power_supply/bq27500-0/device: Is a directory
+/sys/class/power_supply/bq27500-0/capacity
+98
+/sys/class/power_supply/bq27500-0/health
+Good
+/sys/class/power_supply/bq27500-0/subsystem
+cat: /sys/class/power_supply/bq27500-0/subsystem: Is a directory
+/sys/class/power_supply/bq27500-0/capacity_level
+Normal
+/sys/class/power_supply/bq27500-0/status
+Discharging
+/sys/class/power_supply/bq27500-0/voltage_now
+4260000
+/sys/class/power_supply/bq27500-0/uevent
+POWER_SUPPLY_NAME=bq27500-0
+POWER_SUPPLY_STATUS=Discharging
+POWER_SUPPLY_PRESENT=1
+POWER_SUPPLY_VOLTAGE_NOW=4260000
+POWER_SUPPLY_CURRENT_NOW=-498000
+POWER_SUPPLY_CAPACITY=98
+POWER_SUPPLY_CAPACITY_LEVEL=Normal
+POWER_SUPPLY_TEMP=236
+POWER_SUPPLY_TIME_TO_EMPTY_NOW=40980
+POWER_SUPPLY_TIME_TO_EMPTY_AVG=0
+POWER_SUPPLY_TIME_TO_FULL_NOW=441780
+POWER_SUPPLY_TECHNOLOGY=Li-ion
+POWER_SUPPLY_CHARGE_FULL=7323000
+POWER_SUPPLY_CHARGE_NOW=7253000
+POWER_SUPPLY_CHARGE_FULL_DESIGN=8180000
+POWER_SUPPLY_CYCLE_COUNT=46
+POWER_SUPPLY_ENERGY_NOW=7253000
+POWER_SUPPLY_POWER_AVG=65324
+POWER_SUPPLY_HEALTH=Good
+POWER_SUPPLY_MANUFACTURER=Texas Instruments
+POWER_SUPPLY_MODEL_NAME=C100-80
+/sys/class/power_supply/bq27500-0/energy_now
+7253000
+/sys/class/power_supply/bq27500-0/model_name
+C100-80
+/sys/class/power_supply/bq27500-0/manufacturer
+Texas Instruments
+/sys/class/power_supply/bq27500-0/technology
+Li-ion
+/sys/class/power_supply/bq27500-0/cycle_count
+46
+/sys/class/power_supply/bq27500-0/time_to_full_now
+441780
+/sys/class/power_supply/bq27500-0/time_to_empty_avg
+0
+/sys/class/power_supply/bq27500-0/time_to_empty_now
+40980
+/sys/class/power_supply/bq27500-0/present
+1
+/sys/class/power_supply/gpio-charger/
+cat: /sys/class/power_supply/gpio-charger/: Is a directory
+/sys/class/power_supply/gpio-charger/type
+Mains
+/sys/class/power_supply/gpio-charger/power
+cat: /sys/class/power_supply/gpio-charger/power: Is a directory
+/sys/class/power_supply/gpio-charger/power/control
+auto
+/sys/class/power_supply/gpio-charger/power/async
+disabled
+/sys/class/power_supply/gpio-charger/power/wakeup_abort_count
+0
+/sys/class/power_supply/gpio-charger/power/wakeup_active
+0
+/sys/class/power_supply/gpio-charger/power/wakeup_type
+unknown
+/sys/class/power_supply/gpio-charger/power/wakeup_total_time_ms
+0
+/sys/class/power_supply/gpio-charger/power/wakeup_active_count
+1
+/sys/class/power_supply/gpio-charger/power/runtime_enabled
+disabled
+/sys/class/power_supply/gpio-charger/power/runtime_active_kids
+0
+/sys/class/power_supply/gpio-charger/power/runtime_active_time
+0
+/sys/class/power_supply/gpio-charger/power/wakeup_max_time_ms
+0
+/sys/class/power_supply/gpio-charger/power/wakeup_count
+1
+/sys/class/power_supply/gpio-charger/power/wakeup_last_time_ms
+349
+/sys/class/power_supply/gpio-charger/power/wakeup
+enabled
+/sys/class/power_supply/gpio-charger/power/autosuspend_delay_ms
+cat: /sys/class/power_supply/gpio-charger/power/autosuspend_delay_ms: Input/output error
+/sys/class/power_supply/gpio-charger/power/runtime_status
+unsupported
+/sys/class/power_supply/gpio-charger/power/runtime_usage
+0
+/sys/class/power_supply/gpio-charger/power/wakeup_expire_count
+0
+/sys/class/power_supply/gpio-charger/power/runtime_suspended_time
+0
+/sys/class/power_supply/gpio-charger/device
+cat: /sys/class/power_supply/gpio-charger/device: Is a directory
+/sys/class/power_supply/gpio-charger/subsystem
+cat: /sys/class/power_supply/gpio-charger/subsystem: Is a directory
+/sys/class/power_supply/gpio-charger/online
+0
+/sys/class/power_supply/gpio-charger/uevent
+POWER_SUPPLY_NAME=gpio-charger
+POWER_SUPPLY_ONLINE=0

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/capacity

@@ -0,0 +1 @@
+98

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/capacity_level

@@ -0,0 +1 @@
+Normal

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/charge_full

@@ -0,0 +1 @@
+7323000

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/charge_full_design

@@ -0,0 +1 @@
+8180000

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/charge_now

@@ -0,0 +1 @@
+7253000

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/current_now

@@ -0,0 +1 @@
+-498000

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/cycle_count

@@ -0,0 +1 @@
+46

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/energy_now

@@ -0,0 +1 @@
+7253000

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/health

@@ -0,0 +1 @@
+Good

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/manufacturer

@@ -0,0 +1 @@
+Texas Instruments

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/model_name

@@ -0,0 +1 @@
+C100-80

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/power/async

@@ -0,0 +1 @@
+disabled

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/power/control

@@ -0,0 +1 @@
+auto

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/power/runtime_active_kids

@@ -0,0 +1 @@
+0

test/acer-chromebook-c100pa/sys/class/power_supply/bq27500-0/power/runtime_active_time

@@ -0,0 +1 @@
+0