widgets/netwmicon.c

   1 /*
   2  * netwmicon.c - NET_WM_ICON widget
   3  *
   4  * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  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  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include <X11/Xmd.h>
  23 #include <X11/Xatom.h>
  24 #include "util.h"
  25 #include "focus.h"
  26 #include "tag.h"
  27 #include "widget.h"
  28 #include "rules.h"
  29 #include "ewmh.h"
  30
  31 extern AwesomeConf globalconf;
  32
  33 static int
  34 netwmicon_draw(Widget *widget, DrawCtx *ctx, int offset,
  35                     int used __attribute__ ((unused)))
  36 {
  37     Area area;
  38     Rule* r;
  39     Client *sel = focus_get_current_client(widget->statusbar->screen);
  40     NetWMIcon *icon;
  41
  42     if(!sel)
  43     {
  44         widget->area.width = 0;
  45         return 0;
  46     }
  47
  48     widget->area.height = widget->statusbar->height;
  49
  50     for(r = globalconf.rules; r; r = r->next)
  51         if(r->icon && client_match_rule(sel, r))
  52         {
  53             area = draw_get_image_size(r->icon);
  54             widget->area.width = ((double) widget->statusbar->height / (double) area.height)
  55                 * area.width;
  56             if(!widget->user_supplied_x)
  57                 widget->area.x = widget_calculate_offset(widget->statusbar->width,
  58                                                          widget->area.width,
  59                                                          offset,
  60                                                          widget->alignment);
  61
  62             if(!widget->user_supplied_y)
  63                 widget->area.y = 0;
  64             draw_image(ctx, widget->area.x, widget->area.y,
  65                        widget->statusbar->height, r->icon);
  66
  67             return widget->area.width;
  68         }
  69
  70
  71     if(!(icon = ewmh_get_window_icon(sel->win)))
  72     {
  73         widget->area.width = 0;
  74         return 0;
  75     }
  76
  77     widget->area.width = ((double) widget->statusbar->height / (double) icon->height) * icon->width;
  78
  79     if(!widget->user_supplied_x)
  80         widget->area.x = widget_calculate_offset(widget->statusbar->width,
  81                                                  widget->area.width,
  82                                                  offset,
  83                                                  widget->alignment);
  84
  85     if(!widget->user_supplied_y)
  86         widget->area.y = 0;
  87
  88     draw_image_from_argb_data(ctx,
  89                               widget->area.x, widget->area.y,
  90                               icon->width, icon->height,
  91                               widget->statusbar->height, icon->image);
  92
  93     p_delete(&icon->image);
  94     p_delete(&icon);
  95
  96     return widget->area.width;
  97 }
  98
  99 Widget *
 100 netwmicon_new(Statusbar *statusbar, cfg_t *config)
 101 {
 102     Widget *w;
 103
 104     w = p_new(Widget, 1);
 105     widget_common_new(w, statusbar, config);
 106     w->draw = netwmicon_draw;
 107
 108     /* Set cache property */
 109     w->cache.flags = WIDGET_CACHE_CLIENTS;
 110
 111     return w;
 112 }
 113 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80