Updated readme

CMakeLists.txt

@@ -145,6 +145,9 @@ set_target_properties( tint2 PROPERTIES COMPILE_FLAGS "-Wall -fno-strict-aliasin
 set_target_properties( tint2 PROPERTIES LINK_FLAGS "-pthread -fno-strict-aliasing ${ASAN_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 sample/tint2rc DESTINATION ${SYSCONFDIR}/xdg/tint2 )
 install( FILES default_icon.png DESTINATION ${DATADIR}/tint2 )
 install( FILES AUTHORS ChangeLog README.md DESTINATION ${DOCDIR} )
@@ -152,4 +155,4 @@ install( FILES doc/tint2.1 DESTINATION ${MANDIR}/man1 )
 if( ENABLE_EXAMPLES )
   file( GLOB SAMPLEFILES sample/*.tint2rc )
   install( FILES ${SAMPLEFILES} DESTINATION ${DOCDIR}/examples )
-endif( ENABLE_EXAMPLES )
+endif( ENABLE_EXAMPLES )

ChangeLog

@@ -11,6 +11,8 @@
     - Experimental, testing/feedback needed
   - Icons (system tray, task buttons, launcher):
     - Changed rendering method to fix icon corruptions (please report any problems)
+  - System tray:
+    - Workaround for misbehaving applications leaving empty tray icons
   - Many bugfixes
 - New config options (see https://gitlab.com/o9000/tint2/wikis/Configure):
   - Panel:

README.md

@@ -1,14 +1,14 @@
-### New unstable release: 0.12-rc3
+### New unstable release: 0.12-rc4
 Changes: https://gitlab.com/o9000/tint2/blob/master/ChangeLog
 
 Documentation: https://gitlab.com/o9000/tint2/wikis/home
 
 Try it out with (see also [dependencies](https://gitlab.com/o9000/tint2/wikis/Install#dependencies)):
 ```
-mkdir tint2-0.12-rc3
-cd tint2-0.12-rc3
-wget 'https://gitlab.com/o9000/tint2/repository/archive.tar.gz?ref=v0.12-rc3' --output-document tint2-0.12-rc3.tar.gz
-tar -xzf tint2-0.12-rc3.tar.gz
+mkdir tint2-0.12-rc4
+cd tint2-0.12-rc4
+wget 'https://gitlab.com/o9000/tint2/repository/archive.tar.gz?ref=v0.12-rc4' --output-document tint2-0.12-rc4.tar.gz
+tar -xzf tint2-0.12-rc4.tar.gz
 cd tint2.git
 mkdir build
 cd build
@@ -49,7 +49,7 @@ tint2 is a simple panel/taskbar made for modern X window managers. It was specif
   * [Configure](https://gitlab.com/o9000/tint2/wikis/Configure)
   * [Add applet not supported by tint2](https://gitlab.com/o9000/tint2/wikis/ThirdPartyApplets)
   * [Other frequently asked questions](https://gitlab.com/o9000/tint2/wikis/FAQ)
-  * [Debug](https://gitlab.com/o9000/tint2/wikis/Debug)
+  * [Debug](https://gitlab.com/o9000/tint2/wikis/Debug)  
 
 ### How can I help out?
 

src/battery/battery.c

@@ -76,6 +76,9 @@ void update_battery_tick(void* arg)
 	int16_t old_hours = battery_state.time.hours;
 	int8_t old_minutes = battery_state.time.minutes;
 	
+	if (!battery_found) {
+		init_battery();
+	}
 	if (update_battery() != 0) {
 		// Reconfigure
 		init_battery();
@@ -103,15 +106,23 @@ void update_battery_tick(void* arg)
 
 	int i;
 	for (i = 0; i < nb_panel; i++) {
-		if (!battery_found && panel1[i].battery.area.on_screen == 1) {
-			hide(&panel1[i].battery.area);
-			panel_refresh = 1;
-		} else if (battery_state.percentage >= percentage_hide && panel1[i].battery.area.on_screen == 1) {
-			hide(&panel1[i].battery.area);
-			panel_refresh = 1;
-		} else if (battery_state.percentage < percentage_hide && panel1[i].battery.area.on_screen == 0) {
-			show(&panel1[i].battery.area);
-			panel_refresh = 1;
+		if (!battery_found) {
+			if (panel1[i].battery.area.on_screen == 1) {
+				hide(&panel1[i].battery.area);
+				panel_refresh = 1;
+			}
+		} else {
+			if (battery_state.percentage >= percentage_hide) {
+				if (panel1[i].battery.area.on_screen == 1) {
+					hide(&panel1[i].battery.area);
+					panel_refresh = 1;
+				}
+			} else {
+				if (panel1[i].battery.area.on_screen == 0) {
+					show(&panel1[i].battery.area);
+					panel_refresh = 1;
+				}
+			}
 		}
 		if (panel1[i].battery.area.on_screen == 1) {
 			panel1[i].battery.area.resize = 1;
@@ -279,7 +290,7 @@ void init_battery()
 #endif
 
 	if (!battery_timeout)
-		battery_timeout = add_timeout(10, 10000, update_battery_tick, 0, &battery_timeout);
+		battery_timeout = add_timeout(10, 30000, update_battery_tick, 0, &battery_timeout);
 }
 
 
@@ -474,7 +485,7 @@ int update_battery() {
 	battery_state.time.seconds = seconds;
 
 	if (energy_full > 0)
-		new_percentage = ((energy_now <= energy_full ? energy_now : energy_full) * 100) / energy_full;
+		new_percentage = 0.5 + ((energy_now <= energy_full ? energy_now : energy_full) * 100.0) / energy_full;
 
 	battery_state.percentage = new_percentage;
 

src/config.c

@@ -613,13 +613,13 @@ void add_entry (char *key, char *value)
 	}
 	else if (strcmp(key, "systray_sort") == 0) {
 		if (strcmp(value, "descending") == 0)
-			systray.sort = -1;
+			systray.sort = SYSTRAY_SORT_DESCENDING;
 		else if (strcmp(value, "ascending") == 0)
-			systray.sort = 1;
+			systray.sort = SYSTRAY_SORT_ASCENDING;
 		else if (strcmp(value, "left2right") == 0)
-			systray.sort = 2;
+			systray.sort = SYSTRAY_SORT_LEFT2RIGHT;
 		else  if (strcmp(value, "right2left") == 0)
-			systray.sort = 3;
+			systray.sort = SYSTRAY_SORT_RIGHT2LEFT;
 	}
 	else if (strcmp(key, "systray_icon_size") == 0) {
 		systray_max_icon_size = atoi(value);

src/launcher/icon-theme-common.c

@@ -536,6 +536,9 @@ char *get_icon_path_helper(GSList *themes, const char *icon_name, int size)
 	char *next_larger = NULL;
 	GSList *next_larger_theme = NULL;
 
+	int file_name_size = 4096;
+	char *file_name = calloc(file_name_size, 1);
+
 	for (theme = themes; theme; theme = g_slist_next(theme)) {
 		((IconTheme*)theme->data)->list_directories = g_slist_sort_with_data(((IconTheme*)theme->data)->list_directories,
 																			 compare_theme_directories,
@@ -560,8 +563,13 @@ char *get_icon_path_helper(GSList *themes, const char *icon_name, int size)
 					char *theme_name = ((IconTheme*)theme->data)->name;
 					char *dir_name = ((IconThemeDir*)dir->data)->name;
 					char *extension = (char*) ext->data;
-					char *file_name = calloc(strlen(base_name) + strlen(theme_name) +
-											 strlen(dir_name) + strlen(icon_name) + strlen(extension) + 100, 1);
+					if (strlen(base_name) + strlen(theme_name) +
+						strlen(dir_name) + strlen(icon_name) + strlen(extension) + 100 > file_name_size) {
+						file_name_size = strlen(base_name) + strlen(theme_name) +
+										 strlen(dir_name) + strlen(icon_name) + strlen(extension) + 100;
+						file_name = realloc(file_name, file_name_size);
+					}
+					file_name[0] = 0;
 					// filename = directory/$(themename)/subdirectory/iconname.extension
 					sprintf(file_name, "%s/%s/%s/%s%s", base_name, theme_name, dir_name, icon_name, extension);
 					if (DEBUG_ICON_SEARCH)
@@ -596,11 +604,12 @@ char *get_icon_path_helper(GSList *themes, const char *icon_name, int size)
 								printf("next_larger = %s; next_larger_size = %d\n", next_larger, next_larger_size);
 						}
 					}
-					free(file_name);
 				}
 			}
 		}
 	}
+	free(file_name);
+	file_name = NULL;
 	if (next_larger) {
 		g_slist_free(extensions);
 		free(best_file_name);

src/launcher/launcher.c

@@ -31,6 +31,8 @@
 #include <glib.h>
 #include <glib/gstdio.h>
 #include <gdk-pixbuf/gdk-pixbuf.h>
+#include <sys/types.h>
+#include <sys/wait.h>
 
 #ifdef HAVE_RSVG
 #include <librsvg/rsvg.h>
@@ -150,8 +152,7 @@ void cleanup_launcher_theme(Launcher *launcher)
 	for (l = launcher->list_icons; l ; l = l->next) {
 		LauncherIcon *launcherIcon = (LauncherIcon*)l->data;
 		if (launcherIcon) {
-			free_icon(launcherIcon->icon_scaled);
-			free_icon(launcherIcon->icon_original);
+			free_icon(launcherIcon->image);
 			free(launcherIcon->icon_name);
 			free(launcherIcon->icon_path);
 			free(launcherIcon->cmd);
@@ -186,7 +187,7 @@ int resize_launcher(void *obj)
 	// Resize icons if necessary
 	for (l = launcher->list_icons; l ; l = l->next) {
 		LauncherIcon *launcherIcon = (LauncherIcon *)l->data;
-		if (launcherIcon->icon_size != icon_size || !launcherIcon->icon_original) {
+		if (launcherIcon->icon_size != icon_size || !launcherIcon->image) {
 			launcherIcon->icon_size = icon_size;
 			launcherIcon->area.width = launcherIcon->icon_size;
 			launcherIcon->area.height = launcherIcon->icon_size;
@@ -195,68 +196,69 @@ int resize_launcher(void *obj)
 			char *new_icon_path = get_icon_path(launcher->list_themes, launcherIcon->icon_name, launcherIcon->icon_size);
 			if (!new_icon_path) {
 				// Draw a blank icon
-				free_icon(launcherIcon->icon_original);
-				launcherIcon->icon_original = NULL;
-				free_icon(launcherIcon->icon_scaled);
-				launcherIcon->icon_scaled = NULL;
+				free_icon(launcherIcon->image);
+				launcherIcon->image = NULL;
 				continue;
 			}
-			if (launcherIcon->icon_path && strcmp(new_icon_path, launcherIcon->icon_path) == 0) {
-				// If it's the same file just rescale
-				free_icon(launcherIcon->icon_scaled);
-				launcherIcon->icon_scaled = scale_icon(launcherIcon->icon_original, icon_size);
-				free(new_icon_path);
-				fprintf(stderr, "launcher.c %d: Using icon %s\n", __LINE__, launcherIcon->icon_path);
-			} else {
-				// Free the old files
-				free_icon(launcherIcon->icon_original);
-				free_icon(launcherIcon->icon_scaled);
-				launcherIcon->icon_original = launcherIcon->icon_scaled = NULL;
-				// Load the new file and scale
+
+			// Free the old files
+			free_icon(launcherIcon->image);
+			launcherIcon->image = NULL;
+			// Load the new file and scale
+			launcherIcon->image = imlib_load_image_immediately(new_icon_path);
 #ifdef HAVE_RSVG
-				if (g_str_has_suffix(new_icon_path, ".svg")) {
+			if (!launcherIcon->image && g_str_has_suffix(new_icon_path, ".svg")) {
+				char suffix[128];
+				sprintf(suffix, "tmpicon-%d.png", getpid());
+				// We fork here because librsvg allocates memory like crazy
+				pid_t pid = fork();
+				if (pid == 0) {
+					// Child
 					GError* err = NULL;
 					RsvgHandle* svg = rsvg_handle_new_from_file(new_icon_path, &err);
 
 					if (err != NULL) {
 						fprintf(stderr, "Could not load svg image!: %s", err->message);
 						g_error_free(err);
-						launcherIcon->icon_original = NULL;
+						launcherIcon->image = NULL;
 					} else {
-						char suffix[128];
-						sprintf(suffix, "tmpicon-%d.png", getpid());
 						gchar *name = g_build_filename(g_get_user_config_dir(), "tint2", suffix, NULL);
 						GdkPixbuf *pixbuf = rsvg_handle_get_pixbuf(svg);
 						gdk_pixbuf_save(pixbuf, name, "png", NULL, NULL);
-						launcherIcon->icon_original = imlib_load_image_immediately_without_cache(name);
-						g_remove(name);
-						g_free(name);
-						g_object_unref(G_OBJECT(pixbuf));
-						g_object_unref(G_OBJECT(svg));
 					}
-				} else
-#endif
-				{
-					launcherIcon->icon_original = imlib_load_image_immediately(new_icon_path);
-				}
-				// On loading error, fallback to default
-				if (!launcherIcon->icon_original) {
-					free(new_icon_path);
-					new_icon_path = get_icon_path(launcher->list_themes, DEFAULT_ICON, launcherIcon->icon_size);
-					if (new_icon_path)
-						launcherIcon->icon_original = imlib_load_image_immediately(new_icon_path);
-				}
-
-				if (!launcherIcon->icon_original) {
-					// Loading default icon failed, draw a blank icon
-					free(new_icon_path);
+					exit(0);
 				} else {
-					// Loaded icon successfully
-					launcherIcon->icon_scaled = scale_icon(launcherIcon->icon_original, launcherIcon->icon_size);
-					free(launcherIcon->icon_path);
-					launcherIcon->icon_path = new_icon_path;
-					fprintf(stderr, "launcher.c %d: Using icon %s\n", __LINE__, launcherIcon->icon_path);
+					// Parent
+					waitpid(pid, 0, 0);
+					gchar *name = g_build_filename(g_get_user_config_dir(), "tint2", suffix, NULL);
+					launcherIcon->image = imlib_load_image_immediately_without_cache(name);
+					g_remove(name);
+					g_free(name);
 				}
+			} else
+#endif
+			{
+				launcherIcon->image = imlib_load_image_immediately(new_icon_path);
+			}
+			// On loading error, fallback to default
+			if (!launcherIcon->image) {
+				free(new_icon_path);
+				new_icon_path = get_icon_path(launcher->list_themes, 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
+				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);
 			}
 		}
 	}
@@ -330,6 +332,7 @@ int resize_launcher(void *obj)
 			}
 		}
 	}
+
 	return 1;
 }
 
@@ -354,9 +357,8 @@ void draw_launcher_icon(void *obj, cairo_t *c)
 {
 	LauncherIcon *launcherIcon = (LauncherIcon*)obj;
 
-	Imlib_Image icon_scaled = launcherIcon->icon_scaled;
 	// Render
-	imlib_context_set_image(icon_scaled);
+	imlib_context_set_image(launcherIcon->image);
 	if (server.real_transparency) {
 		render_image(launcherIcon->area.pix, 0, 0);
 	} else {

src/launcher/launcher.h

@@ -23,8 +23,7 @@ typedef struct Launcher {
 typedef struct LauncherIcon {
 	// always start with area
 	Area area;
-	Imlib_Image icon_scaled;
-	Imlib_Image icon_original;
+	Imlib_Image image;
 	char *cmd;
 	char *icon_name;
 	char *icon_path;

src/server.c

@@ -98,6 +98,7 @@ void server_init_atoms ()
 	server.atom._NET_SYSTEM_TRAY_ORIENTATION = XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_ORIENTATION", False);
 	server.atom._XEMBED = XInternAtom(server.dsp, "_XEMBED", False);
 	server.atom._XEMBED_INFO = XInternAtom(server.dsp, "_XEMBED_INFO", False);
+	server.atom._NET_WM_PID = XInternAtom(server.dsp, "_NET_WM_PID", True);
 
 	// drag 'n' drop
 	server.atom.XdndAware = XInternAtom(server.dsp, "XdndAware", False);

src/server.h

@@ -74,6 +74,7 @@ typedef struct Global_atom
 	Atom _NET_SYSTEM_TRAY_ORIENTATION;
 	Atom _XEMBED;
 	Atom _XEMBED_INFO;
+	Atom _NET_WM_PID;
 	Atom _XSETTINGS_SCREEN;
 	Atom _XSETTINGS_SETTINGS;
 	Atom XdndAware;

src/systray/systraybar.c

@@ -52,7 +52,7 @@ int refresh_systray;
 int systray_enabled;
 int systray_max_icon_size;
 int systray_monitor;
-
+int chrono;
 // background pixmap if we render ourselves the icons
 static Pixmap render_background;
 
@@ -61,8 +61,9 @@ void default_systray()
 {
 	memset(&systray, 0, sizeof(Systraybar));
 	render_background = 0;
+	chrono = 0;
 	systray.alpha = 100;
-	systray.sort = 3;
+	systray.sort = SYSTRAY_SORT_LEFT2RIGHT;
 	systray.area._draw_foreground = draw_systray;
 	systray.area._on_change_layout = on_change_systray;
 	systray.area.size_mode = SIZE_BY_CONTENT;
@@ -108,8 +109,9 @@ void init_systray_panel(void *p)
 	GSList *l;
 	int count = 0;
 	for (l = systray.list_icons; l ; l = l->next) {
-		if (!((TrayWindow*)l->data)->hide)
-			count++;
+		if (((TrayWindow*)l->data)->hide)
+			continue;
+		count++;
 	}
 	if (count == 0)
 		hide(&systray.area);
@@ -146,8 +148,9 @@ int resize_systray(void *obj)
 		sysbar->icon_size = systray_max_icon_size;
 	count = 0;
 	for (l = systray.list_icons; l ; l = l->next) {
-		if (!((TrayWindow*)l->data)->hide)
-			count++;
+		if (((TrayWindow*)l->data)->hide)
+			continue;
+		count++;
 	}
 	//printf("count %d\n", count);
 
@@ -194,11 +197,12 @@ void on_change_systray (void *obj)
 	GSList *l;
 	for (i=1, l = systray.list_icons; l ; i++, l = l->next) {
 		traywin = (TrayWindow*)l->data;
-		if (traywin->hide) continue;
+		if (traywin->hide)
+			continue;
 
 		traywin->y = posy;
 		traywin->x = posx;
-		//printf("systray %d : %d,%d\n", i, posx, posy);
+		// printf("systray %d : pos %d, %d\n", traywin->tray_id, posx, posy);
 		traywin->width = sysbar->icon_size;
 		traywin->height = sysbar->icon_size;
 		if (panel_horizontal) {
@@ -336,21 +340,39 @@ static gint compare_traywindows(gconstpointer a, gconstpointer b)
 {
 	const TrayWindow * traywin_a = (TrayWindow*)a;
 	const TrayWindow * traywin_b = (TrayWindow*)b;
-	XTextProperty name_a, name_b;
 
-	if(XGetWMName(server.dsp, traywin_a->tray_id, &name_a) == 0) {
-		return -1;
-	}
-	else if(XGetWMName(server.dsp, traywin_b->tray_id, &name_b) == 0) {
-		XFree(name_a.value);
+	if (traywin_a->empty && !traywin_b->empty)
 		return 1;
+	if (!traywin_a->empty && traywin_b->empty)
+		return -1;
+
+	if (systray.sort == SYSTRAY_SORT_ASCENDING ||
+		systray.sort == SYSTRAY_SORT_DESCENDING) {
+		XTextProperty name_a, name_b;
+
+		if (XGetWMName(server.dsp, traywin_a->tray_id, &name_a) == 0) {
+			return -1;
+		}
+		else if (XGetWMName(server.dsp, traywin_b->tray_id, &name_b) == 0) {
+			XFree(name_a.value);
+			return 1;
+		}
+		else {
+			gint retval = g_ascii_strncasecmp((char*)name_a.value, (char*)name_b.value, -1) *
+						  (systray.sort == SYSTRAY_SORT_ASCENDING ? 1 : -1);
+			XFree(name_a.value);
+			XFree(name_b.value);
+			return retval;
+		}
 	}
-	else {
-		gint retval = g_ascii_strncasecmp((char*)name_a.value, (char*)name_b.value, -1) * systray.sort;
-		XFree(name_a.value);
-		XFree(name_b.value);
-		return retval;
+
+	if (systray.sort == SYSTRAY_SORT_LEFT2RIGHT ||
+		systray.sort == SYSTRAY_SORT_RIGHT2LEFT) {
+		return (traywin_a->chrono - traywin_b->chrono) *
+				(systray.sort == SYSTRAY_SORT_LEFT2RIGHT ? 1 : -1);
 	}
+
+	return 0;
 }
 
 
@@ -361,12 +383,42 @@ gboolean add_icon(Window id)
 	Panel *panel = systray.area.panel;
 	int hide = 0;
 
+	int pid = 0;
+	{
+		Atom actual_type;
+		int actual_format;
+		unsigned long nitems;
+		unsigned long bytes_after;
+		unsigned char *prop = 0;
+		int ret = XGetWindowProperty(server.dsp, id, server.atom._NET_WM_PID, 0, 1024, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop);
+		if (ret == Success && prop) {
+			pid = prop[1] * 256;
+			pid += prop[0];
+		}
+	}
+
 	GSList *l;
+	int num_empty_same_pid = 0;
 	for (l = systray.list_icons; l; l = l->next) {
 		if (((TrayWindow*)l->data)->tray_id == id)
 			return FALSE;
+		if (pid && ((TrayWindow*)l->data)->pid == pid && ((TrayWindow*)l->data)->empty)
+			num_empty_same_pid++;
 	}
 
+	const int max_num_empty_same_pid = 0;
+	if (num_empty_same_pid > max_num_empty_same_pid) {
+		for (l = systray.list_icons; l; l = l->next) {
+			if (pid && ((TrayWindow*)l->data)->pid == pid && ((TrayWindow*)l->data)->empty) {
+				num_empty_same_pid++;
+				fprintf(stderr, "Removing tray icon %lu from misbehaving application with pid=%d\n", ((TrayWindow*)l->data)->tray_id, pid);
+				remove_icon((TrayWindow*)l->data);
+				break;
+			}
+		}
+	}
+	//printf("add_icon: %d, pid %d, %d\n", id, pid, num_empty_same_pid);
+
 	error = FALSE;
 	XWindowAttributes attr;
 	if ( XGetWindowAttributes(server.dsp, id, &attr) == False ) return FALSE;
@@ -445,16 +497,19 @@ gboolean add_icon(Window id)
 	traywin->hide = hide;
 	traywin->depth = attr.depth;
 	traywin->damage = 0;
+	traywin->empty = 0;
+	traywin->pid = pid;
+	traywin->chrono = chrono;
+	chrono++;
 
 	if (systray.area.on_screen == 0)
 		show(&systray.area);
 
-	if (systray.sort == 3)
+	if (systray.sort == SYSTRAY_SORT_RIGHT2LEFT)
 		systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
-	else if (systray.sort == 2)
-		systray.list_icons = g_slist_append(systray.list_icons, traywin);
 	else
-		systray.list_icons = g_slist_insert_sorted(systray.list_icons, traywin, compare_traywindows);
+		systray.list_icons = g_slist_append(systray.list_icons, traywin);
+	systray.list_icons = g_slist_sort(systray.list_icons, compare_traywindows);
 	//printf("add_icon id %lx, %d\n", id, g_slist_length(systray.list_icons));
 
 	if (FORCE_COMPOSITED_RENDERING || server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
@@ -481,7 +536,7 @@ void remove_icon(TrayWindow *traywin)
 
 	// remove from our list
 	systray.list_icons = g_slist_remove(systray.list_icons, traywin);
-	//printf("remove_icon id %lx, %d\n", traywin->id);
+	//printf("remove_icon: %d\n", traywin->tray_id);
 
 	XSelectInput(server.dsp, traywin->tray_id, NoEventMask);
 	if (traywin->damage)
@@ -503,8 +558,9 @@ void remove_icon(TrayWindow *traywin)
 	int count = 0;
 	GSList *l;
 	for (l = systray.list_icons; l; l = l->next) {
-		if (!((TrayWindow*)l->data)->hide)
-			count++;
+		if (((TrayWindow*)l->data)->hide)
+			continue;
+		count++;
 	}
 	if (count == 0)
 		hide(&systray.area);
@@ -546,6 +602,7 @@ void systray_render_icon_now(void* t)
 	// we end up in this function only in real transparency mode or if systray_task_asb != 100 0 0
 	// we made also sure, that we always have a 32 bit visual, i.e. we can safely create 32 bit pixmaps here
 	TrayWindow* traywin = t;
+
 	traywin->render_timeout = 0;
 	if ( traywin->width == 0 || traywin->height == 0 ) {
 		// reschedule rendering since the geometry information has not yet been processed (can happen on slow cpu)
@@ -553,6 +610,27 @@ void systray_render_icon_now(void* t)
 		return;
 	}
 
+	XImage *ximage = XGetImage(server.dsp, traywin->tray_id, 0, 0, traywin->width, traywin->height, AllPlanes, XYPixmap);
+	XColor color;
+	int x, y, empty = 1;
+	for (x = 0; empty && x < traywin->width; x++) {
+		for (y = 0; empty && y < traywin->height; y++) {
+			color.pixel = XGetPixel(ximage, x, y);
+			if (color.pixel != 0)
+				empty = 0;
+		}
+	}
+	XFree(ximage);
+	if (traywin->empty != empty) {
+		traywin->empty = empty;
+		systray.area.resize = 1;
+		panel_refresh = 1;
+		systray.list_icons = g_slist_sort(systray.list_icons, compare_traywindows);
+	}
+	//printf("systray_render_icon_now: %d empty %d\n", traywin->tray_id, empty);
+	if (empty)
+		return;
+
 	// good systray icons support 32 bit depth, but some icons are still 24 bit.
 	// We create a heuristic mask for these icons, i.e. we get the rgb value in the top left corner, and
 	// mask out all pixel with the same rgb value
@@ -636,7 +714,8 @@ void refresh_systray_icon()
 	GSList *l;
 	for (l = systray.list_icons; l ; l = l->next) {
 		traywin = (TrayWindow*)l->data;
-		if (traywin->hide) continue;
+		if (traywin->hide)
+			continue;
 		systray_render_icon(traywin);
 	}
 }

src/systray/systraybar.h

@@ -20,6 +20,7 @@
 // Flags for _XEMBED_INFO
 #define XEMBED_MAPPED		(1 << 0)
 
+enum { SYSTRAY_SORT_ASCENDING, SYSTRAY_SORT_DESCENDING, SYSTRAY_SORT_LEFT2RIGHT, SYSTRAY_SORT_RIGHT2LEFT };
 
 typedef struct {
 	// always start with area
@@ -43,6 +44,9 @@ typedef struct
 	int depth;
 	Damage damage;
 	timeout* render_timeout;
+	int empty;
+	int pid;
+	int chrono;
 } TrayWindow;
 
 

src/taskbar/task.c

@@ -50,6 +50,9 @@ Task *add_task (Window win)
 	if (!win) return 0;
 	if (window_is_hidden(win)) return 0;
 
+	XSelectInput(server.dsp, win, PropertyChangeMask|StructureNotifyMask);
+	XFlush(server.dsp);
+
 	int monitor;
 	if (nb_panel > 1) {
 		monitor = window_get_monitor (win);
@@ -75,8 +78,7 @@ Task *add_task (Window win)
 	get_title(&new_tsk);
 	get_icon(&new_tsk);
 
-	//printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
-	XSelectInput (server.dsp, new_tsk.win, PropertyChangeMask|StructureNotifyMask);
+	//printf("new task %s win %u: desktop %d, monitor %d\n", new_tsk.title, win, new_tsk.desktop, monitor);
 
 	GPtrArray* task_group = g_ptr_array_new();
 	Taskbar *tskbar;

src/tint.c

@@ -727,6 +727,7 @@ void event_property_notify (XEvent *e)
 	}
 	else {
 		tsk = task_get_task (win);
+		//printf("change win = %u, task = %p\n", win, tsk);
 		if (!tsk) {
 			if (at != server.atom._NET_WM_STATE)
 				return;

src/tint2conf/CMakeLists.txt

@@ -64,7 +64,6 @@ set_target_properties( tint2conf PROPERTIES COMPILE_FLAGS "-Wall -pthread" )
 set_target_properties( tint2conf PROPERTIES LINK_FLAGS "-pthread" )
 
 install( TARGETS tint2conf DESTINATION bin )
-install( PROGRAMS tintwizard.py DESTINATION bin )
-install( FILES taskbar.svg DESTINATION ${DATADIR}/icons/hicolor/scalable/apps )
+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})" )

src/tint2conf/properties.c

@@ -853,7 +853,7 @@ void create_panel(GtkWidget *parent)
 
 	row++;
 	col = 2;
-	label = gtk_label_new(_("Width"));
+	label = gtk_label_new(_("Length"));
 	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);
@@ -863,7 +863,7 @@ void create_panel(GtkWidget *parent)
 	gtk_widget_show(panel_width);
 	gtk_table_attach(GTK_TABLE(table), panel_width, col, col+1, row, row+1, GTK_FILL, 0, 0, 0);
 	col++;
-	gtk_tooltips_set_tip(tooltips, panel_width, "The width of the panel", NULL);
+	gtk_tooltips_set_tip(tooltips, panel_width, "The length of the panel (width for horizontal panels, height for vertical panels)", NULL);
 
 	panel_combo_width_type = gtk_combo_box_new_text();
 	gtk_widget_show(panel_combo_width_type);
@@ -872,11 +872,11 @@ void create_panel(GtkWidget *parent)
 	gtk_combo_box_append_text(GTK_COMBO_BOX(panel_combo_width_type), _("Percent"));
 	gtk_combo_box_append_text(GTK_COMBO_BOX(panel_combo_width_type), _("Pixels"));
 	gtk_combo_box_set_active(GTK_COMBO_BOX(panel_combo_width_type), 0);
-	gtk_tooltips_set_tip(tooltips, panel_combo_width_type, "The units used to specify the width of the panel: pixels or percentage of the monitor size", NULL);
+	gtk_tooltips_set_tip(tooltips, panel_combo_width_type, "The units used to specify the length of the panel: pixels or percentage of the monitor size", NULL);
 
 	row++;
 	col = 2;
-	label = gtk_label_new(_("Height"));
+	label = gtk_label_new(_("Size"));
 	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);
@@ -886,7 +886,7 @@ void create_panel(GtkWidget *parent)
 	gtk_widget_show(panel_height);
 	gtk_table_attach(GTK_TABLE(table), panel_height, col, col+1, row, row+1, GTK_FILL, 0, 0, 0);
 	col++;
-	gtk_tooltips_set_tip(tooltips, panel_height, "The height of the panel", NULL);
+	gtk_tooltips_set_tip(tooltips, panel_height, "The size of the panel (height for horizontal panels, width for vertical panels)", NULL);
 
 	panel_combo_height_type = gtk_combo_box_new_text();
 	gtk_widget_show(panel_combo_height_type);
@@ -895,7 +895,7 @@ void create_panel(GtkWidget *parent)
 	gtk_combo_box_append_text(GTK_COMBO_BOX(panel_combo_height_type), _("Percent"));
 	gtk_combo_box_append_text(GTK_COMBO_BOX(panel_combo_height_type), _("Pixels"));
 	gtk_combo_box_set_active(GTK_COMBO_BOX(panel_combo_height_type), 0);
-	gtk_tooltips_set_tip(tooltips, panel_combo_height_type, "The units used to specify the height of the panel: pixels or percentage of the monitor size", NULL);
+	gtk_tooltips_set_tip(tooltips, panel_combo_height_type, "The units used to specify the size of the panel: pixels or percentage of the monitor size", NULL);
 
 	row++;
 	col = 2;
@@ -1203,7 +1203,10 @@ void create_panel(GtkWidget *parent)
 						 "Match the panel size means that maximized windows should extend to the edge of the panel. \n"
 						 "Match the hidden panel size means that maximized windows should extend to the edge of the panel when hidden; "
 						 "when visible, the panel and the windows will overlap. \n"
-						 "Fill the screen means that maximized windows will always have the same size as the screen.", NULL);
+						 "Fill the screen means that maximized windows will always have the same size as the screen. \n"
+						 "\n"
+						 "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.", NULL);
 
 	row++;
 	col = 2;

src/tint2conf/properties_rw.c

@@ -1,4 +1,3 @@
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -625,6 +624,8 @@ void config_save_file(const char *path) {
 
 	unsigned short checksum = 0;
 	fprintf(fp, "#---- Generated by tint2conf %04x ----\n", checksum);
+	fprintf(fp, "# See https://gitlab.com/o9000/tint2/wikis/Configure for \n");
+	fprintf(fp, "# full documentation of the configuration options.\n");
 
 	config_write_backgrounds(fp);
 	config_write_panel(fp);
@@ -1413,4 +1414,4 @@ char *get_action(GtkWidget *combo)
 	if (gtk_combo_box_get_active(GTK_COMBO_BOX(combo)) == 10)
 		return "prev_task";
 	return "none";
-}
+}

src/tint2conf/tint2conf.desktop

@@ -1,148 +1,58 @@
 [Desktop Entry]
 Type=Application
-Name=Panel tint2
-Name[am]=ፓነል  tint2
-Name[ar]=الشريط tint2
-Name[ast]=Panel tint2
-Name[be]=Панэль tint2
-Name[ca]=Quadre tint2
-Name[cs]=Panel tint2
-Name[da]=Panel tint2
-Name[de]=Leiste tint2
-Name[dz]=པེ་ནཱལ། tint2
-Name[el]=Ταμπλό tint2
-Name[en_GB]=Panel tint2
-Name[eo]=Panelo tint2
-Name[es]=Panel tint2
-Name[et]=Ääreriba tint2
-Name[eu]=Panela tint2
-Name[fi]=Paneeli tint2
-Name[fr]=Panneau tint2
-Name[gl]=Panel tint2
-Name[he]=לוח tint2
-Name[hu]=Panel tint2
-Name[id]=Panel tint2
-Name[it]=Pannello tint2
-Name[ja]=パネル tint2
-Name[kk]=Панель tint2
-Name[ko]=패널 tint2
-Name[ku]=Panel tint2
-Name[lv]=Panelis tint2
-Name[mk]=Панел tint2
-Name[nb]=Panel tint2
-Name[nl]=Paneel tint2
-Name[nn]=Panel tint2
-Name[pa]=ਪੈਨਲ tint2
-Name[pl]=Panel tint2
-Name[pt]=Painel tint2
-Name[pt_BR]=Painel tint2
-Name[ro]=Panou tint2
-Name[ru]=Панель tint2
-Name[si]=පුවරුව tint2
-Name[sk]=Panel tint2
-Name[sq]=Panel tint2
-Name[sv]=Panel tint2
-Name[ta]=பலகை tint2
-Name[tr]=Panel tint2
-Name[ug]=panel tint2
-Name[uk]=Панель tint2
-Name[ur]=پینل tint2
-Name[ur_PK]=پینل tint2
-Name[vi]=Panel tint2
-Name[zh_CN]=面板 tint2
-Name[zh_TW]=面板 tint2
-GenericName=Panel Manager
-GenericName[am]=ፓነል  አስተዳዳሪ
-GenericName[ar]=مدير الائحة :
-GenericName[ast]=Alministrador de panel
-GenericName[be]=Кіраўнік Панэляў
-GenericName[ca]=Gestor de quadres
-GenericName[cs]=Správce panelu
-GenericName[da]=Panelhåndtering
-GenericName[de]=Leistenverwaltung
-GenericName[dz]=པེ་ནཱལ་འཛིན་སྐྱོང་པ།
-GenericName[el]=Διαχειριστής ταμπλό
-GenericName[en_GB]=Panel Manager
-GenericName[eo]=Administrilo de Panelo
-GenericName[es]=Administrador de panel
-GenericName[et]=Paneelihaldur
-GenericName[eu]=Panel Kudeatzailea:
-GenericName[fi]=Paneelin hallinta
-GenericName[fr]=Gestionnaire de panneau
-GenericName[gl]=Xestor de paneis
-GenericName[he]=מנהל הלוח
-GenericName[hu]=Panelkezelő
-GenericName[id]=Manajer Panel
-GenericName[it]=Gestore dei pannelli
-GenericName[ja]=パネルマネージャ
-GenericName[kk]=Панель менеджері
-GenericName[ko]=패널 관리자
-GenericName[ku]=Gerinendeyê panelan
-GenericName[lv]=Paneļu pārvaldnieks
-GenericName[mk]=Менаџер за панели
-GenericName[nb]=Panelbehandler
-GenericName[nl]=Paneel Manager
-GenericName[nn]=Panelhandsamar
-GenericName[pa]=ਪੈਨਲ ਮੈਨੇਜਰ
-GenericName[pl]=Panel
-GenericName[pt]=Gestor do Painel
-GenericName[pt_BR]=Gerenciador do painel
-GenericName[ro]=Manager de panouri
-GenericName[ru]=Диспетчер панелей 
-GenericName[si]=පුවරු කළමණාකරු
-GenericName[sk]=Nastavenie panelu
-GenericName[sq]=Përgjegjës Panelesh
-GenericName[sv]=Panelhanterare
-GenericName[ta]=பலகை மேளாலர்:
-GenericName[tr]=Panel Yöneticisi
-GenericName[ug]=Panel باشقۇرغۇ
-GenericName[uk]=Менеджер панелей
-GenericName[ur]=پینل منیجر
-GenericName[ur_PK]=پینل منیجر
-GenericName[vi]=Quản lý panel
-GenericName[zh_CN]=面板管理器
-GenericName[zh_TW]=面板管理程式
-Comment=Customize the panel settings
-Comment[ast]=Personalice la configuración del panel
-Comment[ca]=Personalitza els ajustaments del quadre
-Comment[cs]=Přizpůsobit nastavení panelu
-Comment[da]=Tilpas panelets indstillinger
-Comment[de]=Leiste anpassen
-Comment[el]=Προσαρμογή ρυθμίσεων ταμπλό
-Comment[en_GB]=Customise the panel settings
-Comment[es]=Personalice la configuración del panel
-Comment[et]=Ääreriba seadistamine käepäraseks
-Comment[eu]=Pertsonalizatu panel ezapenak
-Comment[fi]=Mukauta paneelin asetuksia
-Comment[fr]=Configurer le panneau
-Comment[gl]=Personalizar a configuración do panel
-Comment[hu]=A panel beállításainak személyre szabása
-Comment[id]=Kustomisasi pengaturan panel
-Comment[it]=Personalizzazione delle impostazioni del pannello
-Comment[ja]=パネルの設定をカスタマイズします
-Comment[kk]=Панельді баптау
-Comment[lv]=Pielāgot paneļa uzstādījumus
-Comment[nb]=Tilpass panelet
-Comment[nl]=Paneel configureren
-Comment[nn]=Tilpass innstillingane for panelet
-Comment[pl]=Konfiguruje ustawienia paneli
-Comment[pt]=Personalizar as definições do painel
-Comment[pt_BR]=Personalizar as configurações do painel
-Comment[ro]=Schimbați opțiunile panoului
-Comment[ru]=Настроить панель 
-Comment[si]=පුවරු සිටුවම් සකසන්න
-Comment[sk]=Prispôsobiť nastavenia panelu
-Comment[sq]=Përshtasni rregullimet për panelin
-Comment[sv]=Anpassa panelinställningarna
-Comment[ta]=நிரல்பலகை அமைப்பை தன்விருப்பமாற்றம் செய்க
-Comment[tr]=Panel ayarlarını özelleştir
-Comment[ug]=panel تەڭشىكىنى Customize قىلىش
-Comment[uk]=Налаштувати властивості панелі
-Comment[ur]=پینل کی ترتیبات
-Comment[ur_PK]=پینل کی ترتیبات
-Comment[zh_CN]=自定义面板设置
+Name=Tint2 panel settings
+Name[am]=ፓነል  አስተዳዳሪ
+Name[ar]=مدير الائحة :
+Name[ast]=Alministrador de panel
+Name[be]=Кіраўнік Панэляў
+Name[ca]=Gestor de quadres
+Name[cs]=Správce panelu
+Name[da]=Panelhåndtering
+Name[de]=Leistenverwaltung
+Name[dz]=པེ་ནཱལ་འཛིན་སྐྱོང་པ།
+Name[el]=Διαχειριστής ταμπλό
+Name[en_GB]=Panel Manager
+Name[eo]=Administrilo de Panelo
+Name[es]=Administrador de panel
+Name[et]=Paneelihaldur
+Name[eu]=Panel Kudeatzailea:
+Name[fi]=Paneelin hallinta
+Name[fr]=Gestionnaire de panneau
+Name[gl]=Xestor de paneis
+Name[he]=מנהל הלוח
+Name[hu]=Panelkezelő
+Name[id]=Manajer Panel
+Name[it]=Gestore dei pannelli
+Name[ja]=パネルマネージャ
+Name[kk]=Панель менеджері
+Name[ko]=패널 관리자
+Name[ku]=Gerinendeyê panelan
+Name[lv]=Paneļu pārvaldnieks
+Name[mk]=Менаџер за панели
+Name[nb]=Panelbehandler
+Name[nl]=Paneel Manager
+Name[nn]=Panelhandsamar
+Name[pa]=ਪੈਨਲ ਮੈਨੇਜਰ
+Name[pl]=Panel
+Name[pt]=Gestor do Painel
+Name[pt_BR]=Gerenciador do painel
+Name[ro]=Manager de panouri
+Name[ru]=Диспетчер панелей 
+Name[si]=පුවරු කළමණාකරු
+Name[sk]=Nastavenie panelu
+Name[sq]=Përgjegjës Panelesh
+Name[sv]=Panelhanterare
+Name[ta]=பலகை மேளாலர்:
+Name[tr]=Panel Yöneticisi
+Name[ug]=Panel باشقۇرغۇ
+Name[uk]=Менеджер панелей
+Name[ur]=پینل منیجر
+Name[ur_PK]=پینل منیجر
+Name[vi]=Quản lý panel
+Name[zh_CN]=面板管理器
+Name[zh_TW]=面板管理程式
 Exec=tint2conf
-Icon=taskbar
+Icon=tint2conf
 Terminal=false
 Categories=Settings;DesktopSettings;
 

src/tint2conf/tint2conf.svg

@@ -0,0 +1,509 @@
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+
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+   version="1.1"
+   width="48"
+   height="48"
+   id="svg1325"
+   inkscape:version="0.48.3.1 r9886"
+   sodipodi:docname="tint2conf.svg"
+   inkscape:export-filename="/home/omega_dist/4_devel_open_source/9_tint/tint2/src/tint2conf/tint2conf.png"
+   inkscape:export-xdpi="90"
+   inkscape:export-ydpi="90">
+  <metadata
+     id="metadata50">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1768"
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tint2.desktop

@@ -0,0 +1,60 @@
+[Desktop Entry]
+Type=Application
+Encoding=UTF-8
+Name=Tint2 panel
+Name[am]=ፓነል  tint2
+Name[ar]=الشريط tint2
+Name[ast]=Panel tint2
+Name[be]=Панэль tint2
+Name[ca]=Quadre tint2
+Name[cs]=Panel tint2
+Name[da]=Panel tint2
+Name[de]=Leiste tint2
+Name[dz]=པེ་ནཱལ། tint2
+Name[el]=Ταμπλό tint2
+Name[en_GB]=Panel tint2
+Name[eo]=Panelo tint2
+Name[es]=Panel tint2
+Name[et]=Ääreriba tint2
+Name[eu]=Panela tint2
+Name[fi]=Paneeli tint2
+Name[fr]=Panneau tint2
+Name[gl]=Panel tint2
+Name[he]=לוח tint2
+Name[hu]=Panel tint2
+Name[id]=Panel tint2
+Name[it]=Pannello tint2
+Name[ja]=パネル tint2
+Name[kk]=Панель tint2
+Name[ko]=패널 tint2
+Name[ku]=Panel tint2
+Name[lv]=Panelis tint2
+Name[mk]=Панел tint2
+Name[nb]=Panel tint2
+Name[nl]=Paneel tint2
+Name[nn]=Panel tint2
+Name[pa]=ਪੈਨਲ tint2
+Name[pl]=Panel tint2
+Name[pt]=Painel tint2
+Name[pt_BR]=Painel tint2
+Name[ro]=Panou tint2
+Name[ru]=Панель tint2
+Name[si]=පුවරුව tint2
+Name[sk]=Panel tint2
+Name[sq]=Panel tint2
+Name[sv]=Panel tint2
+Name[ta]=பலகை tint2
+Name[tr]=Panel tint2
+Name[ug]=panel tint2
+Name[uk]=Панель tint2
+Name[ur]=پینل tint2
+Name[ur_PK]=پینل tint2
+Name[vi]=Panel tint2
+Name[zh_CN]=面板 tint2
+Name[zh_TW]=面板 tint2
+Comment=Lightweight panel
+Comment[fr_FR]=Panel léger
+Exec=tint2
+Icon=taskbar
+Terminal=false
+Categories=System;