]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkicontheme.c
Correctly select default printer when there is more than one (CUPS)
[~andy/gtk] / gtk / gtkicontheme.c
index 96a47746cbae33216f94ad98a3c9a956dd846fa0..db183310d7f057f19228eb49cc0f98932768093d 100644 (file)
@@ -33,6 +33,9 @@
 #ifndef S_ISDIR
 #define S_ISDIR(mode) ((mode)&_S_IFDIR)
 #endif
+#define WIN32_MEAN_AND_LEAN
+#include <windows.h>
+#include "win32/gdkwin32.h"
 #endif /* G_OS_WIN32 */
 
 #include "gtkicontheme.h"
@@ -73,6 +76,7 @@ struct _GtkIconThemePrivate
   guint pixbuf_supports_svg : 1;
   guint themes_valid        : 1;
   guint check_reload        : 1;
+  guint loading_themes      : 1;
   
   char *current_theme;
   char *fallback_theme;
@@ -106,12 +110,15 @@ struct _GtkIconInfo
   /* Information about the source
    */
   gchar *filename;
-#ifdef G_OS_WIN32
+#if defined (G_OS_WIN32) && !defined (_WIN64)
   /* System codepage version of filename, for DLL ABI backward
    * compatibility functions.
    */
   gchar *cp_filename;
 #endif
+  GLoadableIcon *loadable;
+  GSList *emblem_infos;
+
   /* Cache pixbuf (if there is any) */
   GdkPixbuf *cache_pixbuf;
 
@@ -127,7 +134,8 @@ struct _GtkIconInfo
   /* Parameters influencing the scaled icon
    */
   gint desired_size;
-  gboolean raw_coordinates;
+  guint raw_coordinates : 1;
+  guint forced_size     : 1;
 
   /* Cached information if we go ahead and try to load
    * the icon.
@@ -135,6 +143,8 @@ struct _GtkIconInfo
   GdkPixbuf *pixbuf;
   GError *load_error;
   gdouble scale;
+
+  guint ref_count;
 };
 
 typedef struct
@@ -160,6 +170,7 @@ typedef struct
 
   char *dir;
   char *subdir;
+  int subdir_index;
   
   GtkIconCache *cache;
   
@@ -199,13 +210,16 @@ static GtkIconInfo *theme_lookup_icon (IconTheme        *theme,
 static void         theme_list_icons  (IconTheme        *theme,
                                       GHashTable       *icons,
                                       GQuark            context);
+static void         theme_list_contexts  (IconTheme        *theme,
+                                         GHashTable       *contexts);
 static void         theme_subdir_load (GtkIconTheme     *icon_theme,
                                       IconTheme        *theme,
                                       GKeyFile         *theme_file,
                                       char             *subdir);
 static void         do_theme_change   (GtkIconTheme     *icon_theme);
 
-static void  blow_themes               (GtkIconTheme    *icon_themes);
+static void     blow_themes               (GtkIconTheme    *icon_themes);
+static gboolean rescan_themes             (GtkIconTheme    *icon_themes);
 
 static void  icon_data_free            (GtkIconData     *icon_data);
 static void load_icon_data             (IconThemeDir    *dir,
@@ -999,10 +1013,8 @@ insert_theme (GtkIconTheme *icon_theme, const char *theme_name)
 static void
 free_unthemed_icon (UnthemedIcon *unthemed_icon)
 {
-  if (unthemed_icon->svg_filename)
-    g_free (unthemed_icon->svg_filename);
-  if (unthemed_icon->no_svg_filename)
-    g_free (unthemed_icon->no_svg_filename);
+  g_free (unthemed_icon->svg_filename);
+  g_free (unthemed_icon->no_svg_filename);
   g_slice_free (UnthemedIcon, unthemed_icon);
 }
 
@@ -1147,11 +1159,11 @@ _gtk_icon_theme_ensure_builtin_cache (void)
   IconThemeDir *dir;
   static IconThemeDir dirs[5] = 
     {
-      { ICON_THEME_DIR_THRESHOLD, 0, 16, 16, 16, 2, NULL, "16", NULL, NULL, NULL },
-      { ICON_THEME_DIR_THRESHOLD, 0, 20, 20, 20, 2, NULL, "20", NULL, NULL, NULL },
-      { ICON_THEME_DIR_THRESHOLD, 0, 24, 24, 24, 2, NULL, "24", NULL, NULL, NULL },
-      { ICON_THEME_DIR_THRESHOLD, 0, 32, 32, 32, 2, NULL, "32", NULL, NULL, NULL },
-      { ICON_THEME_DIR_THRESHOLD, 0, 48, 48, 48, 2, NULL, "48", NULL, NULL, NULL }
+      { ICON_THEME_DIR_THRESHOLD, 0, 16, 16, 16, 2, NULL, "16", -1, NULL, NULL, NULL },
+      { ICON_THEME_DIR_THRESHOLD, 0, 20, 20, 20, 2, NULL, "20", -1,  NULL, NULL, NULL },
+      { ICON_THEME_DIR_THRESHOLD, 0, 24, 24, 24, 2, NULL, "24", -1, NULL, NULL, NULL },
+      { ICON_THEME_DIR_THRESHOLD, 0, 32, 32, 32, 2, NULL, "32", -1, NULL, NULL, NULL },
+      { ICON_THEME_DIR_THRESHOLD, 0, 48, 48, 48, 2, NULL, "48", -1, NULL, NULL, NULL }
     };
   gint i;
 
@@ -1165,6 +1177,7 @@ _gtk_icon_theme_ensure_builtin_cache (void)
        {
          dir = &(dirs[i]);
          dir->cache = _gtk_icon_cache_ref (_builtin_cache);
+          dir->subdir_index = _gtk_icon_cache_get_directory_index (dir->cache, dir->subdir);
 
          builtin_dirs = g_list_append (builtin_dirs, dir);
        }
@@ -1178,80 +1191,67 @@ ensure_valid_themes (GtkIconTheme *icon_theme)
   GTimeVal tv;
   gboolean was_valid = priv->themes_valid;
 
+  if (priv->loading_themes)
+    return;
+  priv->loading_themes = TRUE;
+
   _gtk_icon_theme_ensure_builtin_cache ();
 
   if (priv->themes_valid)
     {
       g_get_current_time (&tv);
 
-      if (ABS (tv.tv_sec - priv->last_stat_time) > 5)
-       gtk_icon_theme_rescan_if_needed (icon_theme);
+      if (ABS (tv.tv_sec - priv->last_stat_time) > 5 &&
+         rescan_themes (icon_theme))
+       blow_themes (icon_theme);
     }
   
   if (!priv->themes_valid)
     {
       load_themes (icon_theme);
-      
-      if (!priv->check_reload && was_valid && priv->screen)
-       {         
-         static GdkAtom atom_iconthemes = GDK_NONE;
-         GdkEvent *event = gdk_event_new (GDK_CLIENT_EVENT);
-         int i;
 
-         if (!atom_iconthemes)
-           atom_iconthemes = gdk_atom_intern_static_string ("_GTK_LOAD_ICONTHEMES");
+      if (was_valid)
+       {
+         g_signal_emit (icon_theme, signal_changed, 0);
+
+         if (!priv->check_reload && priv->screen)
+           {     
+             static GdkAtom atom_iconthemes = GDK_NONE;
+             GdkEvent *event = gdk_event_new (GDK_CLIENT_EVENT);
+             int i;
+
+             if (!atom_iconthemes)
+               atom_iconthemes = gdk_atom_intern_static_string ("_GTK_LOAD_ICONTHEMES");
 
-         for (i = 0; i < 5; i++)
-           event->client.data.l[i] = 0;
-         event->client.data_format = 32;
-         event->client.message_type = atom_iconthemes;
+             for (i = 0; i < 5; i++)
+               event->client.data.l[i] = 0;
+             event->client.data_format = 32;
+             event->client.message_type = atom_iconthemes;
 
-         gdk_screen_broadcast_client_message (priv->screen, event);
+             gdk_screen_broadcast_client_message (priv->screen, event);
+           }
        }
     }
+
+  priv->loading_themes = FALSE;
 }
 
-/**
- * gtk_icon_theme_lookup_icon:
- * @icon_theme: a #GtkIconTheme
- * @icon_name: the name of the icon to lookup
- * @size: desired icon size
- * @flags: flags modifying the behavior of the icon lookup
- * 
- * Looks up a named icon and returns a structure containing
- * information such as the filename of the icon. The icon
- * can then be rendered into a pixbuf using
- * gtk_icon_info_load_icon(). (gtk_icon_theme_load_icon()
- * combines these two steps if all you need is the pixbuf.)
- * 
- * Return value: a #GtkIconInfo structure containing information
- * about the icon, or %NULL if the icon wasn't found. Free with
- * gtk_icon_info_free()
- *
- * Since: 2.4
- **/
-GtkIconInfo *
-gtk_icon_theme_lookup_icon (GtkIconTheme       *icon_theme,
-                           const gchar        *icon_name,
-                           gint                size,
-                           GtkIconLookupFlags  flags)
+static GtkIconInfo *
+choose_icon (GtkIconTheme       *icon_theme,
+            const gchar        *icon_names[],
+            gint                size,
+            GtkIconLookupFlags  flags)
 {
   GtkIconThemePrivate *priv;
   GList *l;
   GtkIconInfo *icon_info = NULL;
-  UnthemedIcon *unthemed_icon;
+  UnthemedIcon *unthemed_icon = NULL;
   gboolean allow_svg;
   gboolean use_builtin;
-
-  g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
-  g_return_val_if_fail (icon_name != NULL, NULL);
-  g_return_val_if_fail ((flags & GTK_ICON_LOOKUP_NO_SVG) == 0 ||
-                       (flags & GTK_ICON_LOOKUP_FORCE_SVG) == 0, NULL);
+  gint i;
 
   priv = icon_theme->priv;
 
-  GTK_NOTE (ICONTHEME, 
-           g_print ("gtk_icon_theme_lookup_icon %s\n", icon_name));
   if (flags & GTK_ICON_LOOKUP_NO_SVG)
     allow_svg = FALSE;
   else if (flags & GTK_ICON_LOOKUP_FORCE_SVG)
@@ -1259,20 +1259,55 @@ gtk_icon_theme_lookup_icon (GtkIconTheme       *icon_theme,
   else
     allow_svg = priv->pixbuf_supports_svg;
 
-  use_builtin = (flags & GTK_ICON_LOOKUP_USE_BUILTIN);
-
+  use_builtin = flags & GTK_ICON_LOOKUP_USE_BUILTIN;
+  
   ensure_valid_themes (icon_theme);
 
   for (l = priv->themes; l; l = l->next)
     {
       IconTheme *theme = l->data;
       
-      icon_info = theme_lookup_icon (theme, icon_name, size, allow_svg, use_builtin);
-      if (icon_info)
-       goto out;
+      for (i = 0; icon_names[i]; i++)
+        {
+          icon_info = theme_lookup_icon (theme, icon_names[i], size, allow_svg, use_builtin);
+          if (icon_info)
+            goto out;
+        }
     }
 
-  unthemed_icon = g_hash_table_lookup (priv->unthemed_icons, icon_name);
+  for (i = 0; icon_names[i]; i++)
+    {
+      unthemed_icon = g_hash_table_lookup (priv->unthemed_icons, icon_names[i]);
+      if (unthemed_icon)
+        break;
+    }
+#ifdef G_OS_WIN32
+  /* Still not found an icon, check if reference to a Win32 resource */
+  if (!unthemed_icon)
+    {
+      gchar **resources;
+      HICON hIcon = NULL;
+      
+      resources = g_strsplit (icon_names[0], ",", 0);
+      if (resources[0])
+       {
+         wchar_t *wfile = g_utf8_to_utf16 (resources[0], -1, NULL, NULL, NULL);
+         ExtractIconExW (wfile, resources[1] ? atoi (resources[1]) : 0, &hIcon, NULL, 1);
+         g_free (wfile);
+       }
+      
+      if (hIcon)
+       {
+         icon_info = icon_info_new ();
+         icon_info->cache_pixbuf = gdk_win32_icon_to_pixbuf_libgtk_only (hIcon);
+         DestroyIcon (hIcon);
+          icon_info->dir_type = ICON_THEME_DIR_UNTHEMED;
+          icon_info->dir_size = size;
+       }
+      g_strfreev (resources);
+    }
+#endif
+
   if (unthemed_icon)
     {
       icon_info = icon_info_new ();
@@ -1287,17 +1322,21 @@ gtk_icon_theme_lookup_icon (GtkIconTheme       *icon_theme,
        icon_info->filename = g_strdup (unthemed_icon->svg_filename);
       else if (unthemed_icon->no_svg_filename)
        icon_info->filename = g_strdup (unthemed_icon->no_svg_filename);
-#ifdef G_OS_WIN32
+#if defined (G_OS_WIN32) && !defined (_WIN64)
       icon_info->cp_filename = g_locale_from_utf8 (icon_info->filename,
                                                   -1, NULL, NULL, NULL);
 #endif
 
       icon_info->dir_type = ICON_THEME_DIR_UNTHEMED;
+      icon_info->dir_size = size;
     }
 
  out:
-  if (icon_info)
-    icon_info->desired_size = size;
+  if (icon_info) 
+    {
+      icon_info->desired_size = size;
+      icon_info->forced_size = (flags & GTK_ICON_LOOKUP_FORCE_SIZE) != 0;
+    }
   else
     {
       static gboolean check_for_default_theme = TRUE;
@@ -1318,13 +1357,14 @@ gtk_icon_theme_lookup_icon (GtkIconTheme       *icon_theme,
              found = g_file_test (default_theme_path, G_FILE_TEST_IS_REGULAR);
              g_free (default_theme_path);
            }
+
          if (!found)
            {
              g_warning (_("Could not find the icon '%s'. The '%s' theme\n"
                           "was not found either, perhaps you need to install it.\n"
                           "You can get a copy from:\n"
                           "\t%s"),
-                        icon_name, DEFAULT_THEME_NAME, "http://icon-theme.freedesktop.org/releases");
+                        icon_names[0], DEFAULT_THEME_NAME, "http://icon-theme.freedesktop.org/releases");
            }
        }
     }
@@ -1332,6 +1372,117 @@ gtk_icon_theme_lookup_icon (GtkIconTheme       *icon_theme,
   return icon_info;
 }
 
+
+/**
+ * gtk_icon_theme_lookup_icon:
+ * @icon_theme: a #GtkIconTheme
+ * @icon_name: the name of the icon to lookup
+ * @size: desired icon size
+ * @flags: flags modifying the behavior of the icon lookup
+ * 
+ * Looks up a named icon and returns a structure containing
+ * information such as the filename of the icon. The icon
+ * can then be rendered into a pixbuf using
+ * gtk_icon_info_load_icon(). (gtk_icon_theme_load_icon()
+ * combines these two steps if all you need is the pixbuf.)
+ * 
+ * Return value: a #GtkIconInfo structure containing information
+ * about the icon, or %NULL if the icon wasn't found. Free with
+ * gtk_icon_info_free()
+ *
+ * Since: 2.4
+ */
+GtkIconInfo *
+gtk_icon_theme_lookup_icon (GtkIconTheme       *icon_theme,
+                           const gchar        *icon_name,
+                           gint                size,
+                           GtkIconLookupFlags  flags)
+{
+  GtkIconInfo *info;
+
+  g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
+  g_return_val_if_fail (icon_name != NULL, NULL);
+  g_return_val_if_fail ((flags & GTK_ICON_LOOKUP_NO_SVG) == 0 ||
+                       (flags & GTK_ICON_LOOKUP_FORCE_SVG) == 0, NULL);
+
+  GTK_NOTE (ICONTHEME, 
+           g_print ("gtk_icon_theme_lookup_icon %s\n", icon_name));
+
+  if (flags & GTK_ICON_LOOKUP_GENERIC_FALLBACK)
+    {
+      gchar **names;
+      gint dashes, i;
+      gchar *p;
+      dashes = 0;
+      for (p = (gchar *) icon_name; *p; p++)
+        if (*p == '-')
+          dashes++;
+
+      names = g_new (gchar *, dashes + 2);
+      names[0] = g_strdup (icon_name);
+      for (i = 1; i <= dashes; i++)
+        {
+          names[i] = g_strdup (names[i - 1]);
+          p = strrchr (names[i], '-');
+          *p = '\0';
+        }
+      names[dashes + 1] = NULL;
+   
+      info = choose_icon (icon_theme, (const gchar **) names, size, flags);
+      
+      g_strfreev (names);
+    }
+  else 
+    {
+      const gchar *names[2];
+      
+      names[0] = icon_name;
+      names[1] = NULL;
+
+      info = choose_icon (icon_theme, names, size, flags);
+    }
+
+  return info;
+}
+
+/**
+ * gtk_icon_theme_choose_icon:
+ * @icon_theme: a #GtkIconTheme
+ * @icon_names: %NULL-terminated array of icon names to lookup
+ * @size: desired icon size
+ * @flags: flags modifying the behavior of the icon lookup
+ * 
+ * Looks up a named icon and returns a structure containing
+ * information such as the filename of the icon. The icon
+ * can then be rendered into a pixbuf using
+ * gtk_icon_info_load_icon(). (gtk_icon_theme_load_icon()
+ * combines these two steps if all you need is the pixbuf.)
+ *
+ * If @icon_names contains more than one name, this function 
+ * tries them all in the given order before falling back to 
+ * inherited icon themes.
+ * 
+ * Return value: a #GtkIconInfo structure containing information
+ * about the icon, or %NULL if the icon wasn't found. Free with
+ * gtk_icon_info_free()
+ *
+ * Since: 2.12
+ */
+GtkIconInfo *
+gtk_icon_theme_choose_icon (GtkIconTheme       *icon_theme,
+                           const gchar        *icon_names[],
+                           gint                size,
+                           GtkIconLookupFlags  flags)
+{
+  g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
+  g_return_val_if_fail (icon_names != NULL, NULL);
+  g_return_val_if_fail ((flags & GTK_ICON_LOOKUP_NO_SVG) == 0 ||
+                       (flags & GTK_ICON_LOOKUP_FORCE_SVG) == 0, NULL);
+
+  return choose_icon (icon_theme, icon_names, size, flags);
+}
+
 /* Error quark */
 GQuark
 gtk_icon_theme_error_quark (void)
@@ -1384,8 +1535,8 @@ gtk_icon_theme_load_icon (GtkIconTheme         *icon_theme,
                        (flags & GTK_ICON_LOOKUP_FORCE_SVG) == 0, NULL);
   g_return_val_if_fail (error == NULL || *error == NULL, NULL);
   
-  icon_info  = gtk_icon_theme_lookup_icon (icon_theme, icon_name, size,
-                                          flags | GTK_ICON_LOOKUP_USE_BUILTIN);
+  icon_info = gtk_icon_theme_lookup_icon (icon_theme, icon_name, size,
+                                         flags | GTK_ICON_LOOKUP_USE_BUILTIN);
   if (!icon_info)
     {
       g_set_error (error, GTK_ICON_THEME_ERROR,  GTK_ICON_THEME_NOT_FOUND,
@@ -1420,7 +1571,8 @@ gtk_icon_theme_has_icon (GtkIconTheme *icon_theme,
   GList *l;
 
   g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), FALSE);
-  
+  g_return_val_if_fail (icon_name != NULL, FALSE);
+
   priv = icon_theme->priv;
   
   ensure_valid_themes (icon_theme);
@@ -1503,6 +1655,9 @@ gtk_icon_theme_get_icon_sizes (GtkIconTheme *icon_theme,
        {
          IconThemeDir *dir = d->data;
 
+          if (dir->type != ICON_THEME_DIR_SCALABLE && g_hash_table_lookup_extended (sizes, GINT_TO_POINTER (dir->size), NULL, NULL))
+            continue;
+
          suffix = theme_dir_get_icon_suffix (dir, icon_name, NULL);      
          if (suffix != ICON_SUFFIX_NONE)
            {
@@ -1518,6 +1673,9 @@ gtk_icon_theme_get_icon_sizes (GtkIconTheme *icon_theme,
     {
       IconThemeDir *dir = d->data;
       
+      if (dir->type != ICON_THEME_DIR_SCALABLE && g_hash_table_lookup_extended (sizes, GINT_TO_POINTER (dir->size), NULL, NULL))
+        continue;
+
       suffix = theme_dir_get_icon_suffix (dir, icon_name, NULL);         
       if (suffix != ICON_SUFFIX_NONE)
        {
@@ -1636,6 +1794,51 @@ gtk_icon_theme_list_icons (GtkIconTheme *icon_theme,
   return list;
 }
 
+/**
+ * gtk_icon_theme_list_contexts:
+ * @icon_theme: a #GtkIconTheme
+ *
+ * Gets the list of contexts available within the current
+ * hierarchy of icon themes
+ *
+ * Return value: a #GList list holding the names of all the
+ *  contexts in the theme. You must first free each element
+ *  in the list with g_free(), then free the list itself
+ *  with g_list_free().
+ *
+ * Since: 2.12
+ **/
+GList *
+gtk_icon_theme_list_contexts (GtkIconTheme *icon_theme)
+{
+  GtkIconThemePrivate *priv;
+  GHashTable *contexts;
+  GList *list, *l;
+
+  priv = icon_theme->priv;
+  
+  ensure_valid_themes (icon_theme);
+
+  contexts = g_hash_table_new (g_str_hash, g_str_equal);
+
+  l = priv->themes;
+  while (l != NULL)
+    {
+      theme_list_contexts (l->data, contexts);
+      l = l->next;
+    }
+
+  list = NULL;
+
+  g_hash_table_foreach (contexts,
+                       add_key_to_list,
+                       &list);
+
+  g_hash_table_destroy (contexts);
+
+  return list;
+}
+
 /**
  * gtk_icon_theme_get_example_icon_name:
  * @icon_theme: a #GtkIconTheme
@@ -1675,21 +1878,9 @@ gtk_icon_theme_get_example_icon_name (GtkIconTheme *icon_theme)
   return NULL;
 }
 
-/**
- * gtk_icon_theme_rescan_if_needed:
- * @icon_theme: a #GtkIconTheme
- * 
- * Checks to see if the icon theme has changed; if it has, any
- * currently cached information is discarded and will be reloaded
- * next time @icon_theme is accessed.
- * 
- * Return value: %TRUE if the icon theme has changed and needed
- *   to be reloaded.
- *
- * Since: 2.4
- **/
-gboolean
-gtk_icon_theme_rescan_if_needed (GtkIconTheme *icon_theme)
+
+static gboolean
+rescan_themes (GtkIconTheme *icon_theme)
 {
   GtkIconThemePrivate *priv;
   IconThemeDirMtime *dir_mtime;
@@ -1698,10 +1889,8 @@ gtk_icon_theme_rescan_if_needed (GtkIconTheme *icon_theme)
   struct stat stat_buf;
   GTimeVal tv;
 
-  g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), FALSE);
-
   priv = icon_theme->priv;
-  
+
   for (d = priv->dir_mtimes; d != NULL; d = d->next)
     {
       dir_mtime = d->data;
@@ -1709,7 +1898,7 @@ gtk_icon_theme_rescan_if_needed (GtkIconTheme *icon_theme)
       stat_res = g_stat (dir_mtime->dir, &stat_buf);
 
       /* dir mtime didn't change */
-      if (stat_res == 0 && 
+      if (stat_res == 0 &&
          S_ISDIR (stat_buf.st_mode) &&
          dir_mtime->mtime == stat_buf.st_mtime)
        continue;
@@ -1717,17 +1906,43 @@ gtk_icon_theme_rescan_if_needed (GtkIconTheme *icon_theme)
       if (dir_mtime->mtime == 0 &&
          (stat_res != 0 || !S_ISDIR (stat_buf.st_mode)))
        continue;
-         
-      do_theme_change (icon_theme);
+
       return TRUE;
     }
-  
+
   g_get_current_time (&tv);
   priv->last_stat_time = tv.tv_sec;
 
   return FALSE;
 }
 
+/**
+ * gtk_icon_theme_rescan_if_needed:
+ * @icon_theme: a #GtkIconTheme
+ * 
+ * Checks to see if the icon theme has changed; if it has, any
+ * currently cached information is discarded and will be reloaded
+ * next time @icon_theme is accessed.
+ * 
+ * Return value: %TRUE if the icon theme has changed and needed
+ *   to be reloaded.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gtk_icon_theme_rescan_if_needed (GtkIconTheme *icon_theme)
+{
+  gboolean retval;
+
+  g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), FALSE);
+
+  retval = rescan_themes (icon_theme);
+  if (retval)
+      do_theme_change (icon_theme);
+
+  return retval;
+}
+
 static void
 theme_destroy (IconTheme *theme)
 {
@@ -1853,7 +2068,7 @@ theme_dir_get_icon_suffix (IconThemeDir *dir,
     {
       suffix = (IconSuffix)_gtk_icon_cache_get_icon_flags (dir->cache,
                                                           icon_name,
-                                                          dir->subdir);
+                                                          dir->subdir_index);
 
       if (has_icon_file)
        *has_icon_file = suffix & HAS_ICON_FILE;
@@ -1892,7 +2107,7 @@ theme_lookup_icon (IconTheme          *theme,
   /* Builtin icons are logically part of the default theme and
    * are searched before other subdirectories of the default theme.
    */
-  if (strcmp (theme->name, DEFAULT_THEME_NAME) == 0 && use_builtin)
+  if (use_builtin && strcmp (theme->name, DEFAULT_THEME_NAME) == 0)
     {
       closest_builtin = find_builtin_icon (icon_name, 
                                           size,
@@ -1912,7 +2127,7 @@ theme_lookup_icon (IconTheme          *theme,
     {
       dir = l->data;
 
-      GTK_NOTE (ICONTHEME, 
+      GTK_NOTE (ICONTHEME,
                g_print ("theme_lookup_icon dir %s\n", dir->dir));
       suffix = theme_dir_get_icon_suffix (dir, icon_name, NULL);
       if (best_suffix (suffix, allow_svg) != ICON_SUFFIX_NONE)
@@ -1989,20 +2204,30 @@ theme_lookup_icon (IconTheme          *theme,
       suffix = best_suffix (suffix, allow_svg);
       g_assert (suffix != ICON_SUFFIX_NONE);
       
-      file = g_strconcat (icon_name, string_from_suffix (suffix), NULL);
-      icon_info->filename = g_build_filename (min_dir->dir, file, NULL);
-      g_free (file);
-#ifdef G_OS_WIN32
-      icon_info->cp_filename = g_locale_from_utf8 (icon_info->filename,
+      if (min_dir->dir)
+        {
+          file = g_strconcat (icon_name, string_from_suffix (suffix), NULL);
+          icon_info->filename = g_build_filename (min_dir->dir, file, NULL);
+          g_free (file);
+#if defined (G_OS_WIN32) && !defined (_WIN64)
+          icon_info->cp_filename = g_locale_from_utf8 (icon_info->filename,
                                                   -1, NULL, NULL, NULL);
 #endif
+        }
+      else
+        {
+          icon_info->filename = NULL;
+#if defined (G_OS_WIN32) && !defined (_WIN64)
+          icon_info->cp_filename = NULL;
+#endif
+        }
       
       if (min_dir->icon_data != NULL)
        icon_info->data = g_hash_table_lookup (min_dir->icon_data, icon_name);
 
       if (icon_info->data == NULL && min_dir->cache != NULL)
        {
-         icon_info->data = _gtk_icon_cache_get_icon_data (min_dir->cache, icon_name, min_dir->subdir);
+         icon_info->data = _gtk_icon_cache_get_icon_data (min_dir->cache, icon_name, min_dir->subdir_index);
          if (icon_info->data)
            {
              if (min_dir->icon_data == NULL)
@@ -2036,7 +2261,7 @@ theme_lookup_icon (IconTheme          *theme,
       if (min_dir->cache)
        {
          icon_info->cache_pixbuf = _gtk_icon_cache_get_icon (min_dir->cache, icon_name,
-                                                             min_dir->subdir);
+                                                             min_dir->subdir_index);
        }
 
       icon_info->dir_type = min_dir->type;
@@ -2085,6 +2310,25 @@ theme_list_icons (IconTheme  *theme,
     }
 }
 
+static void
+theme_list_contexts (IconTheme  *theme, 
+                    GHashTable *contexts)
+{
+  GList *l = theme->dirs;
+  IconThemeDir *dir;
+  const char *context;
+
+  while (l != NULL)
+    {
+      dir = l->data;
+
+      context = g_quark_to_string (dir->context);
+      g_hash_table_replace (contexts, (gpointer) context, NULL);
+
+      l = l->next;
+    }
+}
+
 static void
 load_icon_data (IconThemeDir *dir, const char *path, const char *name)
 {
@@ -2211,7 +2455,7 @@ scan_directory (GtkIconThemePrivate *icon_theme,
       base_name = strip_suffix (name);
 
       hash_suffix = GPOINTER_TO_INT (g_hash_table_lookup (dir->icons, base_name));
-      g_hash_table_insert (icon_theme->all_icons, base_name, NULL);
+      g_hash_table_replace (icon_theme->all_icons, base_name, NULL);
       g_hash_table_replace (dir->icons, base_name, GUINT_TO_POINTER (hash_suffix| suffix));
     }
   
@@ -2325,10 +2569,14 @@ theme_subdir_load (GtkIconTheme *icon_theme,
          dir->icon_data = NULL;
          dir->subdir = g_strdup (subdir);
          if (dir_mtime->cache != NULL)
-           dir->cache = _gtk_icon_cache_ref (dir_mtime->cache);
+            {
+             dir->cache = _gtk_icon_cache_ref (dir_mtime->cache);
+              dir->subdir_index = _gtk_icon_cache_get_directory_index (dir->cache, dir->subdir);
+            }
          else
            {
              dir->cache = NULL;
+              dir->subdir_index = -1;
              scan_directory (icon_theme->priv, dir, full_dir);
            }
 
@@ -2370,6 +2618,7 @@ icon_info_new (void)
   GtkIconInfo *icon_info = g_slice_new0 (GtkIconInfo);
 
   icon_info->scale = -1.;
+  icon_info->ref_count = 1;
 
   return icon_info;
 }
@@ -2383,7 +2632,7 @@ icon_info_new_builtin (BuiltinIcon *icon)
   icon_info->dir_type = ICON_THEME_DIR_THRESHOLD;
   icon_info->dir_size = icon->size;
   icon_info->threshold = 2;
-  
+
   return icon_info;
 }
 
@@ -2400,25 +2649,12 @@ icon_info_new_builtin (BuiltinIcon *icon)
 GtkIconInfo *
 gtk_icon_info_copy (GtkIconInfo *icon_info)
 {
-  GtkIconInfo *copy;
   
   g_return_val_if_fail (icon_info != NULL, NULL);
 
-  copy = memcpy (g_slice_new (GtkIconInfo), icon_info, sizeof (GtkIconInfo));
-  if (copy->cache_pixbuf)
-    g_object_ref (copy->cache_pixbuf);
-  if (copy->pixbuf)
-    g_object_ref (copy->pixbuf);
-  if (copy->load_error)
-    copy->load_error = g_error_copy (copy->load_error);
-  if (copy->filename)
-    copy->filename = g_strdup (copy->filename);
-#ifdef G_OS_WIN32
-  if (copy->cp_filename)
-    copy->cp_filename = g_strdup (copy->cp_filename);
-#endif
+  icon_info->ref_count++;
 
-  return copy;
+  return icon_info;
 }
 
 /**
@@ -2434,12 +2670,18 @@ gtk_icon_info_free (GtkIconInfo *icon_info)
 {
   g_return_if_fail (icon_info != NULL);
 
-  if (icon_info->filename)
-    g_free (icon_info->filename);
-#ifdef G_OS_WIN32
-  if (icon_info->cp_filename)
-    g_free (icon_info->cp_filename);
+  icon_info->ref_count--;
+  if (icon_info->ref_count > 0)
+    return;
+  g_free (icon_info->filename);
+#if defined (G_OS_WIN32) && !defined (_WIN64)
+  g_free (icon_info->cp_filename);
 #endif
+  if (icon_info->loadable)
+    g_object_unref (icon_info->loadable);
+  g_slist_foreach (icon_info->emblem_infos, (GFunc)gtk_icon_info_free, NULL);
+  g_slist_free (icon_info->emblem_infos);
   if (icon_info->pixbuf)
     g_object_unref (icon_info->pixbuf);
   if (icon_info->cache_pixbuf)
@@ -2526,56 +2768,97 @@ gtk_icon_info_get_builtin_pixbuf (GtkIconInfo *icon_info)
   return icon_info->cache_pixbuf;
 }
 
-static GdkPixbuf *
-load_svg_at_size (const gchar *filename,
-                 gint         size,
-                 GError      **error)
+static gboolean icon_info_ensure_scale_and_pixbuf (GtkIconInfo*, gboolean);
+
+/* Combine the icon with all emblems, the first emblem is placed 
+ * in the southeast corner. Scale emblems to be at most 3/4 of the
+ * size of the icon itself.
+ */
+static void 
+apply_emblems (GtkIconInfo *info)
 {
-  GdkPixbuf *pixbuf = NULL;
-  GdkPixbufLoader *loader = NULL;
-  gchar *contents = NULL;
-  gsize length;
-  
-  if (!g_file_get_contents (filename,
-                           &contents, &length, error))
-    goto bail;
-  
-  loader = gdk_pixbuf_loader_new_with_type ("svg", error);
-  if (loader == NULL)
-    goto bail;
+  GdkPixbuf *icon = NULL;
+  gint w, h, pos;
+  GSList *l;
 
-  gdk_pixbuf_loader_set_size (loader, size, size);
-  
-  if (!gdk_pixbuf_loader_write (loader, contents, length, error))
+  if (info->emblem_infos == NULL)
+    return;
+
+  w = gdk_pixbuf_get_width (info->pixbuf);
+  h = gdk_pixbuf_get_height (info->pixbuf);
+
+  for (l = info->emblem_infos, pos = 0; l; l = l->next, pos++)
+    {
+      GtkIconInfo *emblem_info = l->data;
+
+      if (icon_info_ensure_scale_and_pixbuf (emblem_info, FALSE))
+        {
+          GdkPixbuf *emblem = emblem_info->pixbuf;
+          gint ew, eh;
+          gint x = 0, y = 0; /* silence compiler */
+          gdouble scale;
+
+          ew = gdk_pixbuf_get_width (emblem);
+          eh = gdk_pixbuf_get_height (emblem);
+          if (ew >= w)
+            {
+              scale = 0.75;
+              ew = ew * 0.75;
+              eh = eh * 0.75;
+            }
+          else
+            scale = 1.0;
+
+          switch (pos % 4)
+            {
+            case 0:
+              x = w - ew;
+              y = h - eh;
+              break;
+            case 1:
+              x = w - ew;
+              y = 0;
+              break;
+            case 2:
+              x = 0;
+              y = h - eh;
+              break;
+            case 3:
+              x = 0;
+              y = 0;
+              break;
+            }
+
+          if (icon == NULL)
+            {
+              icon = gdk_pixbuf_copy (info->pixbuf);
+              if (icon == NULL)
+                break;
+            }
+
+          gdk_pixbuf_composite (emblem, icon, x, y, ew, eh, x, y,
+                                scale, scale, GDK_INTERP_BILINEAR, 255);
+       }
+   }
+
+  if (icon)
     {
-      gdk_pixbuf_loader_close (loader, NULL);
-      goto bail;
+      g_object_unref (info->pixbuf);
+      info->pixbuf = icon;
     }
-  
-  if (!gdk_pixbuf_loader_close (loader, error))
-    goto bail;
-  
-  pixbuf = g_object_ref (gdk_pixbuf_loader_get_pixbuf (loader));
-  
- bail:
-  if (loader)
-    g_object_unref (loader);
-  if (contents)
-    g_free (contents);
-  
-  return pixbuf;
 }
 
-/* This function contains the complicatd logic for deciding
+/* This function contains the complicated logic for deciding
  * on the size at which to load the icon and loading it at
  * that size.
  */
 static gboolean
-icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
-                                  gboolean     scale_only)
+icon_info_ensure_scale_and_pixbuf (GtkIconInfo  *icon_info,
+                                  gboolean      scale_only)
 {
   int image_width, image_height;
   GdkPixbuf *source_pixbuf;
+  gboolean is_svg;
 
   /* First check if we already succeeded have the necessary
    * information (or failed earlier)
@@ -2592,18 +2875,68 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
   /* SVG icons are a special case - we just immediately scale them
    * to the desired size
    */
-  if (icon_info->filename && g_str_has_suffix (icon_info->filename, ".svg"))
+  if (icon_info->filename && !icon_info->loadable) 
+    {
+      GFile *file;
+
+      file = g_file_new_for_path (icon_info->filename);
+      icon_info->loadable = G_LOADABLE_ICON (g_file_icon_new (file));
+      g_object_unref (file);
+    }
+
+  is_svg = FALSE;
+  if (G_IS_FILE_ICON (icon_info->loadable))
     {
+      GFile *file;
+      GFileInfo *file_info;
+      const gchar *content_type;
+
+      file = g_file_icon_get_file (G_FILE_ICON (icon_info->loadable));
+      file_info = g_file_query_info (file, 
+                                     G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
+                                     G_FILE_QUERY_INFO_NONE,
+                                     NULL, NULL);
+      if (file_info) 
+        {
+          content_type = g_file_info_get_content_type (file_info);
+
+          if (content_type && strcmp (content_type, "image/svg+xml") == 0)
+            is_svg = TRUE;
+
+          g_object_unref (file_info);
+       }
+    }
+
+  if (is_svg)
+    {
+      GInputStream *stream;
+
       icon_info->scale = icon_info->desired_size / 1000.;
 
       if (scale_only)
        return TRUE;
       
-      icon_info->pixbuf = load_svg_at_size (icon_info->filename,
-                                           icon_info->desired_size,
-                                           &icon_info->load_error);
+      stream = g_loadable_icon_load (icon_info->loadable,
+                                     icon_info->desired_size,
+                                     NULL, NULL,
+                                     &icon_info->load_error);
+      if (stream)
+        {
+          icon_info->pixbuf = gdk_pixbuf_new_from_stream_at_scale (stream,
+                                                                   icon_info->desired_size,
+                                                                   icon_info->desired_size,
+                                                                   TRUE,
+                                                                   NULL,
+                                                                   &icon_info->load_error);
+          g_object_unref (stream);
+        }
+
+      if (!icon_info->pixbuf)
+        return FALSE;
 
-      return icon_info->pixbuf != NULL;
+      apply_emblems (icon_info);
+        
+      return TRUE;
     }
 
   /* In many cases, the scale can be determined without actual access
@@ -2611,7 +2944,9 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
    * for the directory where the icon is; the image size doesn't
    * matter in that case.
    */
-  if (icon_info->dir_type == ICON_THEME_DIR_FIXED)
+  if (icon_info->forced_size)
+    icon_info->scale = -1;
+  else if (icon_info->dir_type == ICON_THEME_DIR_FIXED)
     icon_info->scale = 1.0;
   else if (icon_info->dir_type == ICON_THEME_DIR_THRESHOLD)
     {
@@ -2631,19 +2966,31 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
     return TRUE;
 
   /* At this point, we need to actually get the icon; either from the
-   * builting image or by loading the file
+   * builtin image or by loading the file
    */
+  source_pixbuf = NULL;
   if (icon_info->cache_pixbuf)
     source_pixbuf = g_object_ref (icon_info->cache_pixbuf);
   else
     {
+      GInputStream *stream;
 
-      source_pixbuf = gdk_pixbuf_new_from_file (icon_info->filename,
-                                               &icon_info->load_error);
-      if (!source_pixbuf)
-       return FALSE;
+      stream = g_loadable_icon_load (icon_info->loadable,
+                                     icon_info->desired_size,
+                                     NULL, NULL,
+                                     &icon_info->load_error);
+      if (stream)
+        {
+          source_pixbuf = gdk_pixbuf_new_from_stream (stream,
+                                                      NULL,
+                                                      &icon_info->load_error);
+          g_object_unref (stream);
+        }
     }
 
+  if (!source_pixbuf)
+    return FALSE;
+
   /* Do scale calculations that depend on the image size
    */
   image_width = gdk_pixbuf_get_width (source_pixbuf);
@@ -2653,11 +3000,12 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
     {
       gint image_size = MAX (image_width, image_height);
       if (image_size > 0)
-       icon_info->scale = icon_info->desired_size / (gdouble)image_size;
+       icon_info->scale = (gdouble)icon_info->desired_size / (gdouble)image_size;
       else
        icon_info->scale = 1.0;
       
-      if (icon_info->dir_type == ICON_THEME_DIR_UNTHEMED)
+      if (icon_info->dir_type == ICON_THEME_DIR_UNTHEMED && 
+          !icon_info->forced_size)
        icon_info->scale = MIN (icon_info->scale, 1.0);
     }
 
@@ -2666,9 +3014,8 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
    * the job. This is a bit of a waste when we scale here
    * and never get the final pixbuf; at the cost of a bit of
    * extra complexity, we could keep the source pixbuf around
-   * but not actually scale it until neede.
+   * but not actually scale it until needed.
    */
-    
   if (icon_info->scale == 1.0)
     icon_info->pixbuf = source_pixbuf;
   else
@@ -2680,6 +3027,8 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
       g_object_unref (source_pixbuf);
     }
 
+  apply_emblems (icon_info);
+
   return TRUE;
 }
 
@@ -2695,7 +3044,10 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
  * that differ slightly from their nominal sizes, and in addition GTK+
  * will avoid scaling icons that it considers sufficiently close to the
  * requested size or for which the source image would have to be scaled
- * up too far. (This maintains sharpness.) 
+ * up too far. (This maintains sharpness.). This behaviour can be changed
+ * by passing the %GTK_ICON_LOOKUP_FORCE_SIZE flag when obtaining
+ * the #GtkIconInfo. If this flag has been specified, the pixbuf
+ * returned by this function will be scaled to the exact size. 
  * 
  * Return value: the rendered icon; this may be a newly created icon
  *  or a new reference to an internal icon, so you must not modify
@@ -2708,16 +3060,19 @@ GdkPixbuf *
 gtk_icon_info_load_icon (GtkIconInfo *icon_info,
                         GError     **error)
 {
-  g_return_val_if_fail (icon_info != NULL, NULL);
-
   g_return_val_if_fail (icon_info != NULL, NULL);
   g_return_val_if_fail (error == NULL || *error == NULL, NULL);
 
-  icon_info_ensure_scale_and_pixbuf (icon_info, FALSE);
-
-  if (icon_info->load_error)
+  if (!icon_info_ensure_scale_and_pixbuf (icon_info, FALSE))
     {
-      g_propagate_error (error, icon_info->load_error);
+      if (icon_info->load_error)
+        g_propagate_error (error, icon_info->load_error);
+      else
+        g_set_error_literal (error,  
+                             GTK_ICON_THEME_ERROR,  
+                             GTK_ICON_THEME_NOT_FOUND,
+                             _("Failed to load icon"));
       return NULL;
     }
 
@@ -3070,7 +3425,113 @@ _gtk_icon_theme_check_reload (GdkDisplay *display)
     }
 }
 
-#ifdef G_OS_WIN32
+
+/**
+ * gtk_icon_theme_lookup_by_gicon:
+ * @icon_theme: a #GtkIconTheme
+ * @icon: the #GIcon to look up
+ * @size: desired icon size
+ * @flags: flags modifying the behavior of the icon lookup
+ * 
+ * Looks up an icon and returns a structure containing
+ * information such as the filename of the icon. 
+ * The icon can then be rendered into a pixbuf using
+ * gtk_icon_info_load_icon().
+ *
+ * Return value: a #GtkIconInfo structure containing 
+ *     information about the icon, or %NULL if the icon 
+ *     wasn't found. Free with gtk_icon_info_free()
+ *
+ * Since: 2.14
+ */
+GtkIconInfo *
+gtk_icon_theme_lookup_by_gicon (GtkIconTheme       *icon_theme,
+                                GIcon              *icon,
+                                gint                size,
+                                GtkIconLookupFlags  flags)
+{
+  GtkIconInfo *info;
+
+  g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
+  g_return_val_if_fail (G_IS_ICON (icon), NULL);
+
+  if (G_IS_LOADABLE_ICON (icon))
+    {
+      info = icon_info_new ();
+      info->loadable = G_LOADABLE_ICON (g_object_ref (icon));
+
+      info->dir_type = ICON_THEME_DIR_UNTHEMED;
+      info->dir_size = size;
+      info->desired_size = size;
+      info->threshold = 2;
+      info->forced_size = (flags & GTK_ICON_LOOKUP_FORCE_SIZE) != 0;
+
+      return info;
+    }
+  else if (G_IS_THEMED_ICON (icon))
+    {
+      const gchar **names;
+
+      names = (const gchar **)g_themed_icon_get_names (G_THEMED_ICON (icon));
+      info = gtk_icon_theme_choose_icon (icon_theme, names, size, flags);
+
+      return info;
+    }
+  else if (G_IS_EMBLEMED_ICON (icon))
+    {
+      GIcon *base, *emblem;
+      GList *list, *l;
+      GtkIconInfo *emblem_info;
+
+      base = g_emblemed_icon_get_icon (G_EMBLEMED_ICON (icon));
+      info = gtk_icon_theme_lookup_by_gicon (icon_theme, base, size, flags);
+      if (info)
+        {
+          list = g_emblemed_icon_get_emblems (G_EMBLEMED_ICON (icon));
+          for (l = list; l; l = l->next)
+            {
+              emblem = g_emblem_get_icon (G_EMBLEM (l->data));
+              emblem_info = gtk_icon_theme_lookup_by_gicon (icon_theme, emblem, size / 2, flags);
+              if (emblem_info)
+                info->emblem_infos = g_slist_prepend (info->emblem_infos, emblem_info);
+            }
+        }
+
+      return info;
+    }
+
+  return NULL;
+}
+
+/**
+ * gtk_icon_info_new_for_pixbuf:
+ * @icon_theme: a #GtkIconTheme
+ * @pixbuf: the pixbuf to wrap in a #GtkIconInfo
+ *
+ * Creates a #GtkIconInfo for a #GdkPixbuf.
+ *
+ * Returns: a #GtkIconInfo
+ *
+ * Since: 2.14
+ */
+GtkIconInfo *
+gtk_icon_info_new_for_pixbuf (GtkIconTheme *icon_theme,
+                              GdkPixbuf    *pixbuf)
+{
+  GtkIconInfo *info;
+
+  g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
+  g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
+
+  info = icon_info_new ();
+  info->pixbuf = g_object_ref (pixbuf);
+  info->scale = 1.0;
+  info->dir_type = ICON_THEME_DIR_UNTHEMED;
+
+  return info;
+}
+
+#if defined (G_OS_WIN32) && !defined (_WIN64)
 
 /* DLL ABI stability backward compatibility versions */