New import

git-svn-id: http://tint2.googlecode.com/svn/trunk@13 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/taskbar/task.c

@@ -0,0 +1,287 @@
+/**************************************************************************
+*
+* Tint2 : task
+* 
+* Copyright (C) 2007 Pål Staurland (staura@gmail.com)
+* Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
+* 
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License version 2
+* as published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**************************************************************************/
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include <Imlib2.h>
+
+#include "window.h"
+#include "task.h"
+#include "server.h"
+#include "panel.h"
+
+
+
+void add_task (Window win)
+{
+   Task *new_tsk;
+   int desktop, monitor;
+
+   if (!win || window_is_hidden (win) || win == window.main_win) return;
+
+   new_tsk = malloc(sizeof(Task));
+   new_tsk->win = win;
+   new_tsk->title = 0;
+   new_tsk->icon_data = 0;
+   
+   get_icon(new_tsk);
+   get_title(new_tsk);
+   memcpy(&new_tsk->area, &g_task.area, sizeof(Area));
+   memcpy(&new_tsk->area_active, &g_task.area_active, sizeof(Area));
+   desktop = window_get_desktop (new_tsk->win);
+   monitor = window_get_monitor (new_tsk->win);
+      
+   //if (panel.mode == MULTI_MONITOR) monitor = window_get_monitor (new_tsk->win);
+   //else monitor = 0;
+   //printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
+   
+   XSelectInput (server.dsp, new_tsk->win, PropertyChangeMask|StructureNotifyMask);
+   
+   if (desktop == 0xFFFFFFFF) {
+      if (new_tsk->title) XFree (new_tsk->title);
+      if (new_tsk->icon_data) XFree (new_tsk->icon_data);
+      free(new_tsk);
+      fprintf(stderr, "task on all desktop : ignored\n");
+      return;
+   }
+   
+   Taskbar *tskbar;
+   tskbar = g_slist_nth_data(panel.area.list, index(desktop, monitor));      
+   new_tsk->area.parent = tskbar;
+   tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk);
+
+   if (resize_tasks (tskbar)) 
+      redraw (&tskbar->area);
+}
+
+
+void remove_task (Task *tsk)
+{
+   if (!tsk) return;
+   
+   Taskbar *tskbar;
+   tskbar = (Taskbar*)tsk->area.parent;
+   tskbar->area.list = g_slist_remove(tskbar->area.list, tsk);
+   resize_tasks (tskbar);
+   redraw (&tskbar->area);
+
+   if (tsk->title) XFree (tsk->title);
+   if (tsk->icon_data) XFree (tsk->icon_data);
+   XFreePixmap (server.dsp, tsk->area.pmap);
+   XFreePixmap (server.dsp, tsk->area_active.pmap);
+   free(tsk);
+}
+
+
+void get_title(Task *tsk)
+{
+   if (!g_task.text) return;
+
+   char *title, *name;
+
+   if (tsk->title) free(tsk->title);
+
+   name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
+   if (!name || !strlen(name)) {
+      name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
+      if (!name || !strlen(name)) {
+         name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
+         if (!name || !strlen(name)) {
+            name = malloc(10);
+            strcpy(name, "Untitled");
+         }
+      }
+   }
+
+   // add space before title
+   title = malloc(strlen(name)+1);      
+   if (g_task.icon) strcpy(title, " ");
+   else title[0] = 0;
+   strcat(title, name);
+   
+   if (name) XFree (name);
+   tsk->title = title;
+}
+
+
+void get_icon (Task *tsk)
+{
+   if (!g_task.icon) return;
+   
+   long *data;
+   int num;
+
+   data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &num);
+   if (!data) return;
+
+   int w, h;
+   long *tmp_data;
+   tmp_data = get_best_icon (data, get_icon_count (data, num), num, &w, &h, g_task.icon_size1);
+
+   tsk->icon_width = w;
+   tsk->icon_height = h;
+   tsk->icon_data = malloc (w * h * sizeof (long));
+   memcpy (tsk->icon_data, tmp_data, w * h * sizeof (long));
+      
+   XFree (data);
+}
+
+
+void draw_task_icon (Task *tsk, int text_width, int active)
+{
+   if (tsk->icon_data == 0) get_icon (tsk);
+   if (tsk->icon_data == 0) return;
+
+   Pixmap *pmap;
+   
+   if (active) pmap = &tsk->area_active.pmap;
+   else pmap = &tsk->area.pmap;
+   
+   /* Find pos */
+   int pos_x;
+   if (g_task.centered) {
+      if (g_task.text)
+         pos_x = (tsk->area.width - text_width - g_task.icon_size1) / 2;
+      else
+         pos_x = (tsk->area.width - g_task.icon_size1) / 2;
+   }
+   else pos_x = g_task.area.paddingx + g_task.area.border.width;
+   
+   /* Render */
+   Imlib_Image icon;
+   Imlib_Color_Modifier cmod;
+   DATA8 red[256], green[256], blue[256], alpha[256];
+
+   // TODO: cpu improvement : compute only when icon changed
+   DATA32 *data;
+   /* do we have 64bit? => long = 8bit */
+   if (sizeof(long) != 4) {
+      int length = tsk->icon_width * tsk->icon_height;
+      data = malloc(sizeof(DATA32) * length);
+      int i;
+      for (i = 0; i < length; ++i)
+         data[i] = tsk->icon_data[i];
+   }
+   else data = (DATA32 *) tsk->icon_data;
+            
+   icon = imlib_create_image_using_data (tsk->icon_width, tsk->icon_height, data);
+   imlib_context_set_image (icon);
+   imlib_context_set_drawable (*pmap);
+
+   cmod = imlib_create_color_modifier ();
+   imlib_context_set_color_modifier (cmod);
+   imlib_image_set_has_alpha (1);
+   imlib_get_color_modifier_tables (red, green, blue, alpha);
+
+   int i, opacity;
+   if (active) opacity = 255*g_task.font_active.alpha;
+   else opacity = 255*g_task.font.alpha;
+   for(i = 127; i < 256; i++) alpha[i] = opacity;
+       
+   imlib_set_color_modifier_tables (red, green, blue, alpha);
+   
+   //imlib_render_image_on_drawable (pos_x, pos_y);
+   imlib_render_image_on_drawable_at_size (pos_x, g_task.icon_posy, g_task.icon_size1, g_task.icon_size1);
+   
+   imlib_free_color_modifier ();
+   imlib_free_image ();
+   if (sizeof(long) != 4) free(data);
+}
+
+
+void draw_task_title (cairo_t *c, Task *tsk, int active)
+{
+   PangoLayout *layout;
+   config_color *config_text;
+   int width, height;
+   
+   if (g_task.text) {
+      /* Layout */
+      layout = pango_cairo_create_layout (c);
+      pango_layout_set_font_description (layout, g_task.font_desc);
+      pango_layout_set_text (layout, tsk->title, -1);
+
+      /* Drawing width and Cut text */
+      pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
+      pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
+
+      /* Center text */
+      if (g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
+      else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
+
+      pango_layout_get_pixel_size (layout, &width, &height);
+
+      if (active) config_text = &g_task.font_active;
+      else config_text = &g_task.font;
+
+      cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
+
+      pango_cairo_update_layout (c, layout);
+      cairo_move_to (c, g_task.text_posx, g_task.text_posy);
+      pango_cairo_show_layout (c, layout);
+
+      if (g_task.font_shadow) {
+         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
+         pango_cairo_update_layout (c, layout);
+         cairo_move_to (c, g_task.text_posx + 1, g_task.text_posy + 1);
+         pango_cairo_show_layout (c, layout);
+      }
+      g_object_unref (layout);
+   }
+
+   if (g_task.icon) {
+      // icon use same opacity as text
+      draw_task_icon (tsk, width, active);
+   }
+}
+
+
+int draw_foreground_task (void *obj, cairo_t *c)
+{
+   Task *tsk = obj;
+   cairo_surface_t *cs;
+   cairo_t *ca;
+   
+   draw_task_title (c, tsk, 0);
+
+   // draw active pmap
+   if (tsk->area_active.pmap) XFreePixmap (server.dsp, tsk->area_active.pmap);
+   tsk->area_active.pmap = server_create_pixmap (tsk->area.width, tsk->area.height);
+
+   // add layer of root pixmap
+   XCopyArea (server.dsp, server.pmap, tsk->area_active.pmap, server.gc, tsk->area.posx, tsk->area.posy, tsk->area.width, tsk->area.height, 0, 0);
+
+   cs = cairo_xlib_surface_create (server.dsp, tsk->area_active.pmap, server.visual, tsk->area.width, tsk->area.height);
+   ca = cairo_create (cs);
+
+   // redraw task
+   draw_background (&tsk->area_active, ca);
+   draw_task_title (ca, tsk, 1);
+   
+   cairo_destroy (ca);
+   cairo_surface_destroy (cs);
+   return 0;
+}
+

src/taskbar/task.h

@@ -0,0 +1,67 @@
+/**************************************************************************
+* task : 
+* - 
+*
+**************************************************************************/
+
+#ifndef TASK_H
+#define TASK_H
+
+#include <X11/Xlib.h>
+#include <pango/pangocairo.h>
+#include "common.h"
+
+
+// --------------------------------------------------
+// global task parameter
+typedef struct {
+   Area area;
+   Area area_active;
+   
+   int text;
+   int icon;
+   int icon_size1;
+   int centered;
+   int maximum_width;
+   int font_shadow;
+   // icon position
+   int icon_posy;
+   // starting position for text ~ task_padding + task_border + icon_size
+   double text_posx, text_posy;
+   PangoFontDescription *font_desc;
+   config_color font;
+   config_color font_active;
+} Global_task;
+
+
+
+// --------------------------------------------------
+// task parameter
+typedef struct {
+   // --------------------------------------------------
+   // always start with area
+   Area area;
+   Area area_active;
+
+   // TODO: group task with list of windows here
+   Window win;
+   long *icon_data;
+   int icon_width;
+   int icon_height;
+   char *title;
+} Task;
+
+
+Global_task g_task;
+
+
+void add_task (Window win);
+void remove_task (Task *tsk);
+
+int draw_foreground_task (void *obj, cairo_t *c);
+
+void get_icon (Task *tsk);
+void get_title(Task *tsk);
+
+#endif
+

src/taskbar/taskbar.c

@@ -0,0 +1,143 @@
+/**************************************************************************
+*
+* Tint2 : taskbar
+* 
+* Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
+* 
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License version 2
+* as published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**************************************************************************/
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include <Imlib2.h>
+
+#include "taskbar.h"
+#include "server.h"
+#include "window.h"
+#include "panel.h"
+
+
+
+Task *task_get_task (Window win)
+{
+   Taskbar *tskbar;
+   Task *tsk;
+   GSList *l0;
+   
+   for (l0 = panel.area.list; l0 ; l0 = l0->next) {
+      tskbar = l0->data;
+      GSList *l1;
+      for (l1 = tskbar->area.list; l1 ; l1 = l1->next) {
+         tsk = l1->data;
+         if (win == tsk->win) return tsk;
+      }
+   }
+   
+   //   nb = panel.nb_desktop * panel.nb_monitor;
+   //printf("task_get_task return 0\n");
+   return 0;
+}
+
+
+void task_refresh_tasklist ()
+{
+   Window *win, active_win;
+   int num_results, i, j;
+
+   win = server_get_property (server.root_win, server.atom._NET_CLIENT_LIST, XA_WINDOW, &num_results);
+
+   if (!win) return;
+   
+   /* Remove any old and set active win */
+   active_win = window_get_active ();
+
+   Task *tsk;
+   Taskbar *tskbar;
+   GSList *l0;
+   for (l0 = panel.area.list; l0 ; l0 = l0->next) {
+      tskbar = l0->data;
+      GSList *l1;
+      for (l1 = tskbar->area.list; l1 ; l1 = l1->next) {
+         tsk = l1->data;
+
+         if (tsk->win == active_win) panel.task_active = tsk;
+         
+         for (j = 0; j < num_results; j++) {
+            if (tsk->win == win[j]) break;
+         }
+         if (tsk->win != win[j]) remove_task (tsk);
+      }
+   }
+   
+   /* Add any new */
+   for (i = 0; i < num_results; i++) {
+      if (!task_get_task (win[i])) add_task (win[i]);
+   }
+
+   XFree (win);
+}
+
+
+int resize_tasks (Taskbar *taskbar)
+{
+   int ret, task_count, pixel_width, modulo_width=0;
+   int x, taskbar_width;
+   Task *tsk;
+   GSList *l;
+
+   // new task width for 'desktop'
+   task_count = g_slist_length(taskbar->area.list);
+   if (!task_count) pixel_width = g_task.maximum_width;
+   else {
+      taskbar_width = taskbar->area.width - (2 * g_taskbar.border.width) - ((task_count+1) * g_taskbar.paddingx);
+
+      pixel_width = taskbar_width / task_count;
+      if (pixel_width > g_task.maximum_width) pixel_width = g_task.maximum_width;
+      else modulo_width = taskbar_width % task_count;
+   }
+
+   if ((taskbar->task_width == pixel_width) && (taskbar->task_modulo == modulo_width)) {
+      ret = 0;
+   }
+   else {
+      ret = 1;
+      taskbar->task_width = pixel_width;
+      taskbar->task_modulo = modulo_width;
+      taskbar->text_width = pixel_width - g_task.text_posx - g_task.area.border.width - g_task.area.paddingx;
+   }
+      
+   // change pos_x and width for all tasks
+   x = taskbar->area.posx + taskbar->area.border.width + taskbar->area.paddingx;
+   for (l = taskbar->area.list; l ; l = l->next) {
+      tsk = l->data;
+      tsk->area.posx = x;
+      tsk->area_active.posx = x;
+      tsk->area.width = pixel_width;
+      tsk->area_active.width = pixel_width;
+      if (modulo_width) {
+         tsk->area.width++;
+         tsk->area_active.width++;
+         modulo_width--;
+      }
+
+      x += tsk->area.width + g_taskbar.paddingx;
+   }
+   return ret;
+}
+
+

src/taskbar/taskbar.h

@@ -0,0 +1,39 @@
+
+#ifndef TASKBAR_H
+#define TASKBAR_H
+
+#include "task.h"
+
+
+// --------------------------------------------------
+// taskbar parameter
+typedef struct {
+   // --------------------------------------------------
+   // always start with area
+   Area area;
+
+   int desktop;
+   int monitor;
+   
+   // task parameters
+   int task_width;
+   int task_modulo;
+   int text_width;
+} Taskbar;
+
+
+// --------------------------------------------------
+// global taskbar parameter
+Area g_taskbar;
+
+
+Task *task_get_task (Window win);
+void task_refresh_tasklist ();
+
+// return 1 if task_width changed
+int resize_tasks (Taskbar *tskbar);
+
+//void add_taskbar(Area *a);
+
+#endif
+