pidgin/gtkicon-theme.c

   1 /*
   2  * Icon Themes for Pidgin
   3  *
   4  * Pidgin is the legal property of its developers, whose names are too numerous
   5  * to list here.  Please refer to the COPYRIGHT file distributed with this
   6  * source distribution.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  21  */
  22
  23 #include "gtkicon-theme.h"
  24 #include "pidginstock.h"
  25
  26 #include <gtk/gtk.h>
  27
  28 #define PIDGIN_ICON_THEME_GET_PRIVATE(Gobject) \
  29         (G_TYPE_INSTANCE_GET_PRIVATE((Gobject), PIDGIN_TYPE_ICON_THEME, PidginIconThemePrivate))
  30
  31 /******************************************************************************
  32  * Structs
  33  *****************************************************************************/
  34
  35 typedef struct {
  36         /* used to store filenames of diffrent icons */
  37         GHashTable *icon_files;
  38 } PidginIconThemePrivate;
  39
  40 /******************************************************************************
  41  * Globals
  42  *****************************************************************************/
  43
  44 static GObjectClass *parent_class = NULL;
  45
  46 /******************************************************************************
  47  * GObject Stuff
  48  *****************************************************************************/
  49
  50 static void
  51 pidgin_icon_theme_init(GTypeInstance *instance,
  52                 gpointer klass)
  53 {
  54         PidginIconThemePrivate *priv;
  55
  56         priv = PIDGIN_ICON_THEME_GET_PRIVATE(instance);
  57
  58         priv->icon_files = g_hash_table_new_full(g_str_hash,
  59                         g_str_equal, g_free, g_free);
  60 }
  61
  62 static void
  63 pidgin_icon_theme_finalize(GObject *obj)
  64 {
  65         PidginIconThemePrivate *priv;
  66
  67         priv = PIDGIN_ICON_THEME_GET_PRIVATE(obj);
  68
  69         g_hash_table_destroy(priv->icon_files);
  70
  71         parent_class->finalize(obj);
  72 }
  73
  74 static void
  75 pidgin_icon_theme_class_init(PidginIconThemeClass *klass)
  76 {
  77         GObjectClass *obj_class = G_OBJECT_CLASS(klass);
  78
  79         parent_class = g_type_class_peek_parent(klass);
  80
  81         obj_class->finalize = pidgin_icon_theme_finalize;
  82
  83         g_type_class_add_private(klass, sizeof(PidginIconThemePrivate));
  84 }
  85
  86 GType
  87 pidgin_icon_theme_get_type(void)
  88 {
  89         static GType type = 0;
  90         if (type == 0) {
  91                 static const GTypeInfo info = {
  92                         sizeof(PidginIconThemeClass),
  93                         NULL, /* base_init */
  94                         NULL, /* base_finalize */
  95                         (GClassInitFunc)pidgin_icon_theme_class_init, /* class_init */
  96                         NULL, /* class_finalize */
  97                         NULL, /* class_data */
  98                         sizeof(PidginIconTheme),
  99                         0, /* n_preallocs */
 100                         pidgin_icon_theme_init, /* instance_init */
 101                         NULL, /* value table */
 102                 };
 103                 type = g_type_register_static(PURPLE_TYPE_THEME,
 104                                 "PidginIconTheme", &info, G_TYPE_FLAG_ABSTRACT);
 105         }
 106         return type;
 107 }
 108
 109 /*****************************************************************************
 110  * Public API functions
 111  *****************************************************************************/
 112
 113 const gchar *
 114 pidgin_icon_theme_get_icon(PidginIconTheme *theme,
 115                 const gchar *id)
 116 {
 117         PidginIconThemePrivate *priv;
 118
 119         g_return_val_if_fail(PIDGIN_IS_ICON_THEME(theme), NULL);
 120
 121         priv = PIDGIN_ICON_THEME_GET_PRIVATE(theme);
 122
 123         return g_hash_table_lookup(priv->icon_files, id);
 124 }
 125
 126 void
 127 pidgin_icon_theme_set_icon(PidginIconTheme *theme,
 128                 const gchar *id,
 129                 const gchar *filename)
 130 {
 131         PidginIconThemePrivate *priv;
 132         g_return_if_fail(PIDGIN_IS_ICON_THEME(theme));
 133
 134         priv = PIDGIN_ICON_THEME_GET_PRIVATE(theme);
 135
 136         if (filename != NULL)
 137                 g_hash_table_replace(priv->icon_files,
 138                                 g_strdup(id), g_strdup(filename));
 139         else
 140                 g_hash_table_remove(priv->icon_files, id);
 141 }