widgets/iconbox.c

   1 /*
   2  * iconbox.c - 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 "widget.h"
  23 #include "common/util.h"
  24
  25 extern AwesomeConf globalconf;
  26
  27 typedef struct
  28 {
  29     char *image;
  30     Bool resize;
  31 } Data;
  32
  33 static int
  34 iconbox_draw(Widget *widget, DrawCtx *ctx, int offset,
  35              int used __attribute__ ((unused)))
  36 {
  37     Data *d = widget->data;
  38     Area area = draw_get_image_size(d->image);
  39
  40     /* image not valid */
  41     if(area.width < 0 || area.height < 0)
  42         return (widget->area.width = 0);
  43
  44     if(d->resize)
  45         widget->area.width = ((double) widget->statusbar->height / area.height) * area.width;
  46     else
  47         widget->area.width = area.width;
  48
  49     widget->area.height = widget->statusbar->height;
  50
  51     if(!widget->user_supplied_x)
  52         widget->area.x = widget_calculate_offset(widget->statusbar->width,
  53                                                  widget->area.width,
  54                                                  offset,
  55                                                  widget->alignment);
  56
  57     if(!widget->user_supplied_y)
  58         widget->area.y = 0;
  59
  60     draw_image(ctx, widget->area.x, widget->area.y,
  61                d->resize ? widget->statusbar->height : 0, d->image);
  62
  63     return widget->area.width;
  64 }
  65
  66 static widget_tell_status_t
  67 iconbox_tell(Widget *widget, char *property, char *command)
  68 {
  69     Bool b;
  70     Data *d = widget->data;
  71
  72     if(!property || !command)
  73         return WIDGET_ERROR;
  74
  75     if(!a_strcmp(property, "image"))
  76     {
  77         if(d->image)
  78             p_delete(&d->image);
  79         d->image = a_strdup(command);
  80     }
  81     else if(!a_strcmp(property, "resize"))
  82     {
  83         if((b = cfg_parse_boolean(command)) != -1)
  84             d->resize = b;
  85         else
  86             return WIDGET_ERROR_FORMAT_BOOL;
  87     }
  88     else
  89        return WIDGET_ERROR;
  90
  91     return WIDGET_NOERROR;
  92 }
  93
  94 Widget *
  95 iconbox_new(Statusbar *statusbar, cfg_t *config)
  96 {
  97     Widget *w;
  98     Data *d;
  99
 100     w = p_new(Widget, 1);
 101     widget_common_new(w, statusbar, config);
 102     w->alignment = draw_get_align(cfg_getstr(config, "align"));
 103     w->draw = iconbox_draw;
 104     w->tell = iconbox_tell;
 105     w->data = d = p_new(Data, 1);
 106     d->image = a_strdup(cfg_getstr(config, "image"));
 107     d->resize = cfg_getbool(config, "resize");
 108
 109     return w;
 110 }
 111 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80