widgets/appicon.c

   1 /*
   2  * appicon.c - application icon widget
   3  *
   4  * Copyright © 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 "widget.h"
  23 #include "ewmh.h"
  24 #include "titlebar.h"
  25
  26 extern awesome_t globalconf;
  27
  28 /** Draw a application icon widget.
  29  * \param ctx The draw context.
  30  * \param screen The screen.
  31  * \param w The widget node we are linked from.
  32  * \param offset Offset to draw at.
  33  * \param used The size used on the element.
  34  * \param p A pointer to the object we're draw onto.
  35  * \param type The type of the object.
  36  * \return The width used.
  37  */
  38 static int
  39 appicon_draw(draw_context_t *ctx, int screen __attribute__ ((unused)),
  40              widget_node_t *w,
  41              int offset, int used,
  42              void *p, awesome_type_t type)
  43 {
  44     client_t *c = NULL;
  45     netwm_icon_t *icon;
  46     draw_image_t *image;
  47
  48     switch(type)
  49     {
  50       case AWESOME_TYPE_STATUSBAR:
  51         c = globalconf.screen_focus->client_focus;
  52         break;
  53       case AWESOME_TYPE_TITLEBAR:
  54         c = client_getbytitlebar(p);
  55         break;
  56     }
  57
  58     if(c)
  59     {
  60         if((image = draw_image_new(c->icon_path)))
  61         {
  62             w->area.width = ((double) ctx->height / (double) image->height) * image->width;
  63             w->area.x = widget_calculate_offset(ctx->width,
  64                                                 w->area.width,
  65                                                 offset,
  66                                                 w->widget->align);
  67             draw_image(ctx, w->area.x,
  68                        w->area.y, ctx->height, image);
  69             draw_image_delete(&image);
  70         }
  71         else if((icon = ewmh_get_window_icon(c->win)))
  72         {
  73             w->area.width = ((double) ctx->height / (double) icon->height)
  74                 * icon->width;
  75             w->area.x = widget_calculate_offset(ctx->width,
  76                                                 w->area.width,
  77                                                 offset,
  78                                                 w->widget->align);
  79             draw_image_from_argb_data(ctx,
  80                                       w->area.x,
  81                                       w->area.y,
  82                                       icon->width, icon->height,
  83                                       ctx->height, icon->image);
  84             netwm_icon_delete(&icon);
  85         }
  86     }
  87     else
  88         w->area.width = 0;
  89
  90     return w->area.width;
  91 }
  92
  93 /** Create a new appicon widget.
  94  * \param align Widget alignment.
  95  * \return A brand new widget.
  96  */
  97 widget_t *
  98 appicon_new(alignment_t align)
  99 {
 100     widget_t *w;
 101
 102     w = p_new(widget_t, 1);
 103     widget_common_new(w);
 104     w->align = align;
 105     w->draw = appicon_draw;
 106
 107     return w;
 108 }
 109
 110 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80