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    Task *tsk;
  39    GSList *l0;
  40    int i, nb;
  41
  42    nb = panel.nb_desktop * panel.nb_monitor;
  43    for (i=0 ; i < nb ; i++) {
  44       for (l0 = panel.taskbar[i].area.list; l0 ; l0 = l0->next) {
  45          tsk = l0->data;
  46          if (win == tsk->win)
  47             return tsk;
  48       }
  49    }
  50    return 0;
  51 }
  52
  53
  54 void task_refresh_tasklist ()
  55 {
  56    Window *win, active_win;
  57    int num_results, i, j, nb;
  58    GSList *l0;
  59    Task *tsk;
  60
  61    win = server_get_property (server.root_win, server.atom._NET_CLIENT_LIST, XA_WINDOW, &num_results);
  62
  63    if (!win) return;
  64
  65    // Remove any old and set active win
  66    active_win = window_get_active ();
  67         if (panel.task_active) {
  68                 panel.task_active->area.is_active = 0;
  69                 panel.task_active = 0;
  70         }
  71
  72    nb = panel.nb_desktop * panel.nb_monitor;
  73    for (i=0 ; i < nb ; i++) {
  74       l0 = panel.taskbar[i].area.list;
  75       while (l0) {
  76          tsk = l0->data;
  77          l0 = l0->next;
  78
  79          if (tsk->win == active_win) {
  80                 tsk->area.is_active = 1;
  81                 panel.task_active = tsk;
  82                         }
  83
  84          for (j = 0; j < num_results; j++) {
  85             if (tsk->win == win[j]) break;
  86          }
  87          // careful : remove_task change l0->next
  88          if (tsk->win != win[j]) remove_task (tsk);
  89       }
  90    }
  91
  92    // Add any new
  93    for (i = 0; i < num_results; i++)
  94       if (!task_get_task (win[i]))
  95          add_task (win[i]);
  96
  97    XFree (win);
  98 }
  99
 100
 101 int resize_tasks (Taskbar *taskbar)
 102 {
 103    int ret, task_count, pixel_width, modulo_width=0;
 104    int x, taskbar_width;
 105    Task *tsk;
 106    GSList *l;
 107
 108    // new task width for 'desktop'
 109    task_count = g_slist_length(taskbar->area.list);
 110    if (!task_count) pixel_width = g_task.maximum_width;
 111    else {
 112       taskbar_width = taskbar->area.width - (2 * g_taskbar.pix.border.width) - (2 * g_taskbar.paddingxlr);
 113       if (task_count>1) taskbar_width -= ((task_count-1) * g_taskbar.paddingx);
 114
 115       pixel_width = taskbar_width / task_count;
 116       if (pixel_width > g_task.maximum_width) pixel_width = g_task.maximum_width;
 117       else modulo_width = taskbar_width % task_count;
 118    }
 119
 120    if ((taskbar->task_width == pixel_width) && (taskbar->task_modulo == modulo_width)) {
 121       ret = 0;
 122    }
 123    else {
 124       ret = 1;
 125       taskbar->task_width = pixel_width;
 126       taskbar->task_modulo = modulo_width;
 127       taskbar->text_width = pixel_width - g_task.text_posx - g_task.area.pix.border.width - g_task.area.paddingx;
 128    }
 129
 130    // change pos_x and width for all tasks
 131    x = taskbar->area.posx + taskbar->area.pix.border.width + taskbar->area.paddingxlr;
 132    for (l = taskbar->area.list; l ; l = l->next) {
 133       tsk = l->data;
 134       tsk->area.posx = x;
 135       tsk->area.width = pixel_width;
 136       if (modulo_width) {
 137          tsk->area.width++;
 138          modulo_width--;
 139       }
 140
 141       x += tsk->area.width + g_taskbar.paddingx;
 142    }
 143    return ret;
 144 }
 145
 146
 147 // initialise taskbar posx and width
 148 void resize_taskbar()
 149 {
 150    int taskbar_width, modulo_width, taskbar_on_screen;
 151
 152    if (panel.mode == MULTI_DESKTOP) taskbar_on_screen = panel.nb_desktop;
 153    else taskbar_on_screen = panel.nb_monitor;
 154
 155    taskbar_width = panel.area.width - (2 * panel.area.paddingxlr) - (2 * panel.area.pix.border.width);
 156    if (time1_format)
 157       taskbar_width -= (panel.clock.area.width + panel.area.paddingx);
 158    taskbar_width = (taskbar_width - ((taskbar_on_screen-1) * panel.area.paddingx)) / taskbar_on_screen;
 159
 160    if (taskbar_on_screen > 1)
 161       modulo_width = (taskbar_width - ((taskbar_on_screen-1) * panel.area.paddingx)) % taskbar_on_screen;
 162    else
 163       modulo_width = 0;
 164
 165    int i, nb, modulo=0, posx=0;
 166    nb = panel.nb_desktop * panel.nb_monitor;
 167    for (i=0 ; i < nb ; i++) {
 168       if ((i % taskbar_on_screen) == 0) {
 169          posx = panel.area.pix.border.width + panel.area.paddingxlr;
 170          modulo = modulo_width;
 171       }
 172       else posx += taskbar_width + panel.area.paddingx;
 173
 174       panel.taskbar[i].area.posx = posx;
 175       panel.taskbar[i].area.width = taskbar_width;
 176       if (modulo) {
 177          panel.taskbar[i].area.width++;
 178          modulo--;
 179       }
 180
 181       resize_tasks(&panel.taskbar[i]);
 182    }
 183 }
 184
 185