Dogcows Code - chaz/tint2/blob - src/taskbar/taskbar.c

   1 /**************************************************************************
   2 *
   3 * Tint2 : taskbar
   4 *
   5 * Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License version 2
   9 * as published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18 **************************************************************************/
  19
  20 #include <X11/Xlib.h>
  21 #include <X11/Xutil.h>
  22 #include <X11/Xatom.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <glib.h>
  27 #include <Imlib2.h>
  28
  29 #include "taskbar.h"
  30 #include "server.h"
  31 #include "window.h"
  32 #include "panel.h"
  33
  34
  35
  36 Task *task_get_task (Window win)
  37 {
  38    Taskbar *tskbar;
  39    Task *tsk;
  40    GSList *l0;
  41
  42    for (l0 = panel.area.list; l0 ; l0 = l0->next) {
  43       tskbar = l0->data;
  44       GSList *l1;
  45       for (l1 = tskbar->area.list; l1 ; l1 = l1->next) {
  46          tsk = l1->data;
  47          if (win == tsk->win) return tsk;
  48       }
  49    }
  50
  51    //   nb = panel.nb_desktop * panel.nb_monitor;
  52    //printf("task_get_task return 0\n");
  53    return 0;
  54 }
  55
  56
  57 void task_refresh_tasklist ()
  58 {
  59    Window *win, active_win;
  60    int num_results, i, j;
  61
  62    win = server_get_property (server.root_win, server.atom._NET_CLIENT_LIST, XA_WINDOW, &num_results);
  63
  64    if (!win) return;
  65
  66    /* Remove any old and set active win */
  67    active_win = window_get_active ();
  68
  69    Task *tsk;
  70    Taskbar *tskbar;
  71    GSList *l0;
  72    for (l0 = panel.area.list; l0 ; l0 = l0->next) {
  73       tskbar = l0->data;
  74       GSList *l1;
  75       for (l1 = tskbar->area.list; l1 ; l1 = l1->next) {
  76          tsk = l1->data;
  77
  78          if (tsk->win == active_win) panel.task_active = tsk;
  79
  80          for (j = 0; j < num_results; j++) {
  81             if (tsk->win == win[j]) break;
  82          }
  83          if (tsk->win != win[j]) remove_task (tsk);
  84       }
  85    }
  86
  87    /* Add any new */
  88    for (i = 0; i < num_results; i++) {
  89       if (!task_get_task (win[i])) add_task (win[i]);
  90    }
  91
  92    XFree (win);
  93 }
  94
  95
  96 int resize_tasks (Taskbar *taskbar)
  97 {
  98    int ret, task_count, pixel_width, modulo_width=0;
  99    int x, taskbar_width;
 100    Task *tsk;
 101    GSList *l;
 102
 103    // new task width for 'desktop'
 104    task_count = g_slist_length(taskbar->area.list);
 105    if (!task_count) pixel_width = g_task.maximum_width;
 106    else {
 107       taskbar_width = taskbar->area.width - (2 * g_taskbar.border.width) - ((task_count+1) * g_taskbar.paddingx);
 108
 109       pixel_width = taskbar_width / task_count;
 110       if (pixel_width > g_task.maximum_width) pixel_width = g_task.maximum_width;
 111       else modulo_width = taskbar_width % task_count;
 112    }
 113
 114    if ((taskbar->task_width == pixel_width) && (taskbar->task_modulo == modulo_width)) {
 115       ret = 0;
 116    }
 117    else {
 118       ret = 1;
 119       taskbar->task_width = pixel_width;
 120       taskbar->task_modulo = modulo_width;
 121       taskbar->text_width = pixel_width - g_task.text_posx - g_task.area.border.width - g_task.area.paddingx;
 122    }
 123
 124    // change pos_x and width for all tasks
 125    x = taskbar->area.posx + taskbar->area.border.width + taskbar->area.paddingx;
 126    for (l = taskbar->area.list; l ; l = l->next) {
 127       tsk = l->data;
 128       tsk->area.posx = x;
 129       tsk->area_active.posx = x;
 130       tsk->area.width = pixel_width;
 131       tsk->area_active.width = pixel_width;
 132       if (modulo_width) {
 133          tsk->area.width++;
 134          tsk->area_active.width++;
 135          modulo_width--;
 136       }
 137
 138       x += tsk->area.width + g_taskbar.paddingx;
 139    }
 140    return ret;
 141 }
 142
 143