]> Dogcows Code - chaz/tint2/blobdiff - src/taskbar/task.c
cleanup code
[chaz/tint2] / src / taskbar / task.c
index 960b53bfd85cd9fad1b5348eb610febbb38d7eb3..83e827f5247ef181e1df0e51e5c95186f0c8b823 100644 (file)
@@ -1,10 +1,10 @@
 /**************************************************************************
 *
 * 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.
 #include <stdlib.h>
 #include <string.h>
 #include <glib.h>
-#include <Imlib2.h>
+#include <unistd.h>
 
 #include "window.h"
 #include "task.h"
+#include "taskbar.h"
 #include "server.h"
 #include "panel.h"
+#include "tooltip.h"
+#include "timer.h"
+
+timeout* urgent_timeout;
+GSList* urgent_list;
 
+const char* task_get_tooltip(void* obj)
+{
+       Task* t = obj;
+       return t->title;
+}
 
 
-void add_task (Window win)
+Task *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) {
-         free (new_tsk->title);
-         new_tsk->title = 0;
-      }
-      if (new_tsk->icon_data) {
-         free (new_tsk->icon_data);
-         new_tsk->icon_data = 0;
-      }
-      free(new_tsk);
-      fprintf(stderr, "task on all desktop : ignored\n");
-      return;
-   }
-      
-   //printf("add_task %d  %s\n", index(desktop, monitor), new_tsk->title);
-   Taskbar *tskbar;
-   tskbar = &panel.taskbar[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);
+       if (!win) return 0;
+       if (window_is_hidden(win)) return 0;
+
+       int monitor;
+       if (nb_panel > 1) {
+               monitor = window_get_monitor (win);
+               if (monitor >= nb_panel) monitor = 0;
+       }
+       else monitor = 0;
+
+       Task new_tsk;
+       new_tsk.win = win;
+       new_tsk.desktop = window_get_desktop (win);
+       new_tsk.area.panel = &panel1[monitor];
+       new_tsk.current_state = window_is_iconified(win) ? TASK_ICONIFIED : TASK_NORMAL;
+
+       // allocate only one title and one icon
+       // even with task_on_all_desktop and with task_on_all_panel
+       new_tsk.title = 0;
+       int k;
+       for (k=0; k<TASK_STATE_COUNT; ++k) {
+               new_tsk.icon[k] = 0;
+               new_tsk.state_pix[k] = 0;
+       }
+       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);
+
+       GPtrArray* task_group = g_ptr_array_new();
+       Taskbar *tskbar;
+       Task *new_tsk2=0;
+       int j;
+       for (j=0 ; j < panel1[monitor].nb_desktop ; j++) {
+               if (new_tsk.desktop != ALLDESKTOP && new_tsk.desktop != j) continue;
+
+               tskbar = &panel1[monitor].taskbar[j];
+               new_tsk2 = malloc(sizeof(Task));
+               memcpy(&new_tsk2->area, &panel1[monitor].g_task.area, sizeof(Area));
+               new_tsk2->area.parent = tskbar;
+               new_tsk2->win = new_tsk.win;
+               new_tsk2->desktop = new_tsk.desktop;
+               new_tsk2->current_state = -1;  // to update the current state later in set_task_state...
+               if (new_tsk2->desktop == ALLDESKTOP && server.desktop != j) {
+                       // hide ALLDESKTOP task on non-current desktop
+                       new_tsk2->area.on_screen = 0;
+               }
+               new_tsk2->title = new_tsk.title;
+               new_tsk2->area._get_tooltip_text = task_get_tooltip;
+               for (k=0; k<TASK_STATE_COUNT; ++k) {
+                       new_tsk2->icon[k] = new_tsk.icon[k];
+                       new_tsk2->state_pix[k] = 0;
+               }
+               new_tsk2->icon_width = new_tsk.icon_width;
+               new_tsk2->icon_height = new_tsk.icon_height;
+               tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk2);
+               tskbar->area.resize = 1;
+               g_ptr_array_add(task_group, new_tsk2);
+               //printf("add_task panel %d, desktop %d, task %s\n", i, j, new_tsk2->title);
+       }
+       Window* key = malloc(sizeof(Window));
+       *key = new_tsk.win;
+       g_hash_table_insert(win_to_task_table, key, task_group);
+       set_task_state(new_tsk2, new_tsk.current_state);
+
+       if (window_is_urgent(win))
+               add_urgent(new_tsk2);
+
+       return new_tsk2;
 }
 
 
 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);
-   //printf("remove_task %d  %s\n", index(tskbar->desktop, tskbar->monitor), tsk->title);
-
-   if (tsk->title) {
-      free (tsk->title);
-      tsk->title = 0;
-   }
-   if (tsk->icon_data) {
-      free (tsk->icon_data);
-      tsk->icon_data = 0;
-   }
-   XFreePixmap (server.dsp, tsk->area.pmap);
-   XFreePixmap (server.dsp, tsk->area_active.pmap);
-   free(tsk);
+       if (!tsk) return;
+
+       Window win = tsk->win;
+
+       // free title and icon just for the first task
+       // even with task_on_all_desktop and with task_on_all_panel
+       //printf("remove_task %s %d\n", tsk->title, tsk->desktop);
+       if (tsk->title)
+               free (tsk->title);
+       int k;
+       for (k=0; k<TASK_STATE_COUNT; ++k) {
+               if (tsk->icon[k]) {
+                       imlib_context_set_image(tsk->icon[k]);
+                       imlib_free_image();
+                       tsk->icon[k] = 0;
+                       if (tsk->state_pix[k]) XFreePixmap(server.dsp, tsk->state_pix[k]);
+               }
+       }
+
+       int i;
+       Task *tsk2;
+       Taskbar *tskbar;
+       GPtrArray* task_group = g_hash_table_lookup(win_to_task_table, &win);
+       for (i=0; i<task_group->len; ++i) {
+               tsk2 = g_ptr_array_index(task_group, i);
+               tskbar = tsk2->area.parent;
+               tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
+               tskbar->area.resize = 1;
+               if (tsk2 == task_active) task_active = 0;
+               if (tsk2 == task_drag) task_drag = 0;
+               if (g_slist_find(urgent_list, tsk2)) del_urgent(tsk2);
+               free(tsk2);
+       }
+       g_hash_table_remove(win_to_task_table, &win);
 }
 
 
 void get_title(Task *tsk)
 {
-   if (!g_task.text) return;
-
-   char *title, *name;
-
-   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)+2);      
-   if (g_task.icon) strcpy(title, " ");
-   else title[0] = 0;
-   strcat(title, name);
-   if (name) XFree (name);
-
-   if (tsk->title)
-      free(tsk->title);
-   tsk->title = title;
+       Panel *panel = tsk->area.panel;
+       char *title, *name;
+
+       if (!panel->g_task.text && !g_tooltip.enabled) return;
+
+       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)+2);
+       if (panel->g_task.icon) strcpy(title, " ");
+       else title[0] = 0;
+       strcat(title, name);
+       if (name) XFree (name);
+
+       if (tsk->title)
+               free(tsk->title);
+
+       tsk->title = title;
+       GPtrArray* task_group = task_get_tasks(tsk->win);
+       if (task_group) {
+               int i;
+               for (i=0; i<task_group->len; ++i) {
+                       Task* tsk2 = g_ptr_array_index(task_group, i);
+                       tsk2->title = tsk->title;
+                       set_task_redraw(tsk2);
+               }
+       }
+       set_task_redraw(tsk);
 }
 
 
 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);
+       Panel *panel = tsk->area.panel;
+       if (!panel->g_task.icon) return;
+       int i;
+       Imlib_Image img = NULL;
+       XWMHints *hints = 0;
+       gulong *data = 0;
+
+       int k;
+       for (k=0; k<TASK_STATE_COUNT; ++k) {
+               if (tsk->icon[k]) {
+                       imlib_context_set_image(tsk->icon[k]);
+                       imlib_free_image();
+                       tsk->icon[k] = 0;
+               }
+       }
+
+       data = server_get_property (tsk->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);
+#ifdef __x86_64__
+               DATA32 icon_data[w * h];
+               int length = w * h;
+               for (i = 0; i < length; ++i)
+                       icon_data[i] =  tmp_data[i];
+               img = imlib_create_image_using_copied_data (w, h, icon_data);
+#else
+               img = imlib_create_image_using_data (w, h, (DATA32*)tmp_data);
+#endif
+       }
+       else {
+               // get Pixmap icon
+               hints = XGetWMHints(server.dsp, tsk->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;
+
+                               //printf("  get pixmap\n");
+                               XGetGeometry(server.dsp, 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 == NULL) {
+               imlib_context_set_image(default_icon);
+               img = imlib_clone_image();
+       }
+
+       // transform icons
+       imlib_context_set_image(img);
+       imlib_image_set_has_alpha(1);
+       int w, h;
+       w = imlib_image_get_width();
+       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_free_image();
+
+       imlib_context_set_image(orig_image);
+       tsk->icon_width = imlib_image_get_width();
+       tsk->icon_height = imlib_image_get_height();
+       for (k=0; k<TASK_STATE_COUNT; ++k) {
+               imlib_context_set_image(orig_image);
+               tsk->icon[k] = imlib_clone_image();
+               imlib_context_set_image(tsk->icon[k]);
+               DATA32 *data32;
+               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, tsk->icon_width, tsk->icon_height, panel->g_task.alpha[k], (float)panel->g_task.saturation[k]/100, (float)panel->g_task.brightness[k]/100);
+                       imlib_image_put_back_data(data32);
+               }
+       }
+       imlib_context_set_image(orig_image);
+       imlib_free_image();
+
+       if (hints)
+               XFree(hints);
+       if (data)
+               XFree (data);
+
+       GPtrArray* task_group = task_get_tasks(tsk->win);
+       if (task_group) {
+               for (i=0; i<task_group->len; ++i) {
+                       Task* tsk2 = g_ptr_array_index(task_group, i);
+                       tsk2->icon_width = tsk->icon_width;
+                       tsk2->icon_height = tsk->icon_height;
+                       int k;
+                       for (k=0; k<TASK_STATE_COUNT; ++k)
+                               tsk2->icon[k] = tsk->icon[k];
+                       set_task_redraw(tsk2);
+               }
+       }
+       set_task_redraw(tsk);
+}
+
+
+void draw_task_icon (Task *tsk, int text_width)
+{
+       if (tsk->icon[tsk->current_state] == 0) return;
+
+       // Find pos
+       int pos_x;
+       Panel *panel = (Panel*)tsk->area.panel;
+       if (panel->g_task.centered) {
+               if (panel->g_task.text)
+                       pos_x = (tsk->area.width - text_width - panel->g_task.icon_size1) / 2;
+               else
+                       pos_x = (tsk->area.width - panel->g_task.icon_size1) / 2;
+       }
+       else pos_x = panel->g_task.area.paddingxlr + tsk->area.bg->border.width;
+
+       // Render
+       imlib_context_set_image (tsk->icon[tsk->current_state]);
+       if (server.real_transparency) {
+               render_image(tsk->area.pix, pos_x, panel->g_task.icon_posy, imlib_image_get_width(), imlib_image_get_height() );
+       }
+       else {
+               imlib_context_set_drawable(tsk->area.pix);
+               imlib_render_image_on_drawable (pos_x, panel->g_task.icon_posy);
+       }
 }
 
 
-void draw_task_icon (Task *tsk, int text_width, int active)
+void draw_task (void *obj, cairo_t *c)
 {
-   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);
+       Task *tsk = obj;
+       tsk->state_pix[tsk->current_state] = tsk->area.pix;
+       PangoLayout *layout;
+       Color *config_text;
+       int width=0, height;
+       Panel *panel = (Panel*)tsk->area.panel;
+       //printf("draw_task %d %d\n", tsk->area.posx, tsk->area.posy);
+
+       if (panel->g_task.text) {
+               /* Layout */
+               layout = pango_cairo_create_layout (c);
+               pango_layout_set_font_description (layout, panel->g_task.font_desc);
+               pango_layout_set_text(layout, tsk->title, -1);
+
+               /* Drawing width and Cut text */
+               // pango use U+22EF or U+2026
+               pango_layout_set_width(layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
+               pango_layout_set_height(layout, panel->g_task.text_height * PANGO_SCALE);
+               pango_layout_set_wrap(layout, PANGO_WRAP_CHAR);
+               pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
+
+               /* Center text */
+               if (panel->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);
+
+               config_text = &panel->g_task.font[tsk->current_state];
+               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);
+               double text_posy = (panel->g_task.area.height - height) / 2.0;
+               cairo_move_to (c, panel->g_task.text_posx, text_posy);
+               pango_cairo_show_layout (c, layout);
+
+               if (panel->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, panel->g_task.text_posx + 1, text_posy + 1);
+                       pango_cairo_show_layout (c, layout);
+               }
+               g_object_unref (layout);
+       }
+
+       if (panel->g_task.icon) {
+               draw_task_icon (tsk, width);
+       }
 }
 
 
-void draw_task_title (cairo_t *c, Task *tsk, int active)
+Task *next_task(Task *tsk)
 {
-   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);
-   }
+       if (tsk == 0)
+               return 0;
+
+       GSList *l0;
+       Task *tsk1;
+       Taskbar* tskbar = tsk->area.parent;
+
+       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
+               tsk1 = l0->data;
+               if (tsk1 == tsk) {
+                       if (l0->next == 0) l0 = tskbar->area.list;
+                       else l0 = l0->next;
+                       return l0->data;
+               }
+       }
+
+       return 0;
+}
+
+Task *prev_task(Task *tsk)
+{
+       if (tsk == 0)
+               return 0;
+
+       GSList *l0;
+       Task *tsk1, *tsk2;
+       Taskbar* tskbar = tsk->area.parent;
+
+       tsk2 = 0;
+       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
+               tsk1 = l0->data;
+               if (tsk1 == tsk) {
+                       if (l0 == tskbar->area.list) {
+                               l0 = g_slist_last ( l0 );
+                               tsk2 = l0->data;
+                       }
+                       return tsk2;
+               }
+               tsk2 = tsk1;
+       }
+
+       return 0;
 }
 
 
-int draw_foreground_task (void *obj, cairo_t *c)
+void active_task()
 {
-   Task *tsk = obj;
-   cairo_surface_t *cs;
-   cairo_t *ca;
-   //printf("  draw_foreground_task\n");
-
-   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;
+       if (task_active) {
+               set_task_state(task_active, window_is_iconified(task_active->win) ? TASK_ICONIFIED : TASK_NORMAL);
+               task_active = 0;
+       }
+
+       Window w1 = window_get_active();
+       //printf("Change active task %ld\n", w1);
+
+       if (w1) {
+               if (!task_get_tasks(w1)) {
+                       Window w2;
+                       while (XGetTransientForHint(server.dsp, w1, &w2))
+                               w1 = w2;
+               }
+               set_task_state((task_active = task_get_task(w1)), TASK_ACTIVE);
+       }
 }
 
+
+void set_task_state(Task *tsk, int state)
+{
+       if (tsk == 0 || state < 0 || state >= TASK_STATE_COUNT)
+               return;
+
+       if (tsk->current_state != state) {
+               GPtrArray* task_group = task_get_tasks(tsk->win);
+               if (task_group) {
+                       int i;
+                       for (i=0; i<task_group->len; ++i) {
+                               Task* tsk1 = g_ptr_array_index(task_group, i);
+                               tsk1->current_state = state;
+                               tsk1->area.bg = panel1[0].g_task.background[state];
+                               tsk1->area.pix = tsk1->state_pix[state];
+                               if (tsk1->state_pix[state] == 0)
+                                       tsk1->area.redraw = 1;
+                               if (state == TASK_ACTIVE && g_slist_find(urgent_list, tsk1))
+                                       del_urgent(tsk1);
+                       }
+                       panel_refresh = 1;
+               }
+       }
+}
+
+
+void set_task_redraw(Task* tsk)
+{
+       int k;
+       for (k=0; k<TASK_STATE_COUNT; ++k) {
+               if (tsk->state_pix[k]) XFreePixmap(server.dsp, tsk->state_pix[k]);
+               tsk->state_pix[k] = 0;
+       }
+       tsk->area.pix = 0;
+       tsk->area.redraw = 1;
+}
+
+
+void blink_urgent(void* arg)
+{
+       GSList* urgent_task = urgent_list;
+       while (urgent_task) {
+               Task* t = urgent_task->data;
+               if ( t->urgent_tick < max_tick_urgent) {
+                       if (t->urgent_tick++ % 2)
+                               set_task_state(t, TASK_URGENT);
+                       else
+                               set_task_state(t, window_is_iconified(t->win) ? TASK_ICONIFIED : TASK_NORMAL);
+               }
+               urgent_task = urgent_task->next;
+       }
+       panel_refresh = 1;
+}
+
+
+void add_urgent(Task *tsk)
+{
+       if (!tsk)
+               return;
+
+       // some programs set urgency hint although they are active
+       if ( task_active && task_active->win == tsk->win )
+               return;
+
+       tsk = task_get_task(tsk->win);  // always add the first tsk for a task group (omnipresent windows)
+       tsk->urgent_tick = 0;
+       if (g_slist_find(urgent_list, tsk))
+               return;
+
+       // not yet in the list, so we have to add it
+       urgent_list = g_slist_prepend(urgent_list, tsk);
+
+       if (urgent_timeout == 0)
+               urgent_timeout = add_timeout(10, 1000, blink_urgent, 0);
+}
+
+
+void del_urgent(Task *tsk)
+{
+       urgent_list = g_slist_remove(urgent_list, tsk);
+       if (urgent_list == 0) {
+               stop_timeout(urgent_timeout);
+               urgent_timeout = 0;
+       }
+}
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