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