src/compat.c

   1 /*
   2  * Geeqie
   3  * Copyright (C) 2008 - 2012 The Geeqie Team
   4  *
   5  * Authors: Vladimir Nadvornik / Laurent Monin
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12 #include "main.h"
  13 #include "compat.h"
  14
  15 /* gtk_radio_action_set_current_value() replacement for GTK+ < 2.10 */
  16 void radio_action_set_current_value(GtkRadioAction *action, gint current_value)
  17 {
  18 #if GTK_CHECK_VERSION(2, 10, 0)
  19         gtk_radio_action_set_current_value(action, current_value);
  20 #else
  21         GSList *group;
  22         gint value;
  23
  24         group = gtk_radio_action_get_group(action);
  25         while (group)
  26                 {
  27                 action = GTK_RADIO_ACTION(group->data);
  28                 g_object_get(G_OBJECT(action), "value", &value, NULL);
  29                 if (value == current_value)
  30                         {
  31                         gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action), TRUE);
  32                         return;
  33                         }
  34                 group = g_slist_next(group);
  35                 }
  36 #endif
  37 }
  38
  39 #if !GLIB_CHECK_VERSION(2, 14, 0)
  40 static void hash_table_add(gpointer key, gpointer value, gpointer user_data)
  41 {
  42         GList **list = user_data;
  43         *list = g_list_prepend(*list, key);
  44 }
  45 #endif
  46
  47 GList* hash_table_get_keys(GHashTable *hash_table)
  48 {
  49 #if GLIB_CHECK_VERSION(2, 14, 0)
  50         return g_hash_table_get_keys(hash_table);
  51 #else
  52         GList *list = NULL;
  53         g_hash_table_foreach(hash_table, hash_table_add, &list);
  54         return list;
  55 #endif
  56 }
  57
  58 #if !GTK_CHECK_VERSION(2,24,0)
  59 gint compat_gdk_window_get_width(GdkWindow *window)
  60 {
  61         gint w, h;
  62         gdk_drawable_get_size(window, &w, &h);
  63         return w;
  64 }
  65
  66 gint compat_gdk_window_get_height(GdkWindow *window)
  67 {
  68         gint w, h;
  69         gdk_drawable_get_size(window, &w, &h);
  70         return h;
  71 }
  72 #endif
  73
  74 #if !GTK_CHECK_VERSION(2,22,0)
  75 cairo_surface_t *compat_gdk_window_create_similar_surface (GdkWindow *window, cairo_content_t content, gint width, gint height)
  76 {
  77         cairo_t *cr = gdk_cairo_create(window);
  78         cairo_surface_t *ws = cairo_get_target(cr);
  79         cairo_surface_t *ret = cairo_surface_create_similar(ws, content, width, height);
  80         cairo_destroy(cr);
  81         return ret;
  82 }
  83 #endif
  84 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */