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GtkIconTheme: Allow loading icons from resources
We add a new API, gtk_icon_theme_add_resource_path, which can be used to add resource path as a base location for icon theme content, similar to gtk_icon_theme_append_search_path.
This commit is contained in:
Matthias Clasen
parent
13c354db8d
commit
968ea4186d
@ -171,6 +171,7 @@ struct _GtkIconThemePrivate
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gchar *current_theme;
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gchar **search_path;
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gint search_path_len;
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GList *resource_paths;
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guint custom_theme : 1;
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guint is_screen_singleton : 1;
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@ -251,6 +252,7 @@ struct _GtkIconInfo
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guint forced_size : 1;
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guint emblems_applied : 1;
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guint is_svg : 1;
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guint is_resource : 1;
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/* Cached information if we go ahead and try to load
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* the icon.
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@ -286,6 +288,7 @@ typedef struct
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gint max_size;
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gint threshold;
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gint scale;
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gboolean is_resource;
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gchar *dir;
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gchar *subdir;
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@ -312,7 +315,6 @@ typedef struct
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{
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gchar *dir;
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time_t mtime; /* 0 == not existing or not a dir */
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GtkIconCache *cache;
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} IconThemeDirMtime;
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@ -832,21 +834,17 @@ gtk_icon_theme_finalize (GObject *object)
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g_assert (priv->info_cache_lru == NULL);
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if (priv->theme_changed_idle)
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{
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g_source_remove (priv->theme_changed_idle);
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priv->theme_changed_idle = 0;
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}
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unset_screen (icon_theme);
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g_free (priv->current_theme);
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priv->current_theme = NULL;
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for (i = 0; i < priv->search_path_len; i++)
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g_free (priv->search_path[i]);
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g_free (priv->search_path);
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priv->search_path = NULL;
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g_list_free_full (priv->resource_paths, g_free);
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blow_themes (icon_theme);
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@ -1000,6 +998,20 @@ gtk_icon_theme_prepend_search_path (GtkIconTheme *icon_theme,
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do_theme_change (icon_theme);
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}
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void
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gtk_icon_theme_add_resource_path (GtkIconTheme *icon_theme,
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const gchar *path)
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{
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GtkIconThemePrivate *priv = icon_theme->priv;
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g_return_if_fail (GTK_IS_ICON_THEME (icon_theme));
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g_return_if_fail (path != NULL);
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priv->resource_paths = g_list_append (priv->resource_paths, g_strdup (path));
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do_theme_change (icon_theme);
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}
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/**
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* gtk_icon_theme_set_custom_theme:
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* @icon_theme: a #GtkIconTheme
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@ -2933,6 +2945,7 @@ theme_lookup_icon (IconTheme *theme,
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icon_info->filename = g_build_filename (min_dir->dir, file, NULL);
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icon_info->icon_file = g_file_new_for_path (icon_info->filename);
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icon_info->is_svg = suffix == ICON_SUFFIX_SVG;
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icon_info->is_resource = min_dir->is_resource;
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g_free (file);
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}
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else
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@ -3032,10 +3045,8 @@ scan_directory (GtkIconThemePrivate *icon_theme,
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GDir *gdir;
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const gchar *name;
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GTK_NOTE (ICONTHEME,
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g_print ("scanning directory %s\n", full_dir));
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dir->icons = g_hash_table_new_full (g_str_hash, g_str_equal,
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g_free, NULL);
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GTK_NOTE (ICONTHEME, g_print ("scanning directory %s\n", full_dir));
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dir->icons = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
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gdir = g_dir_open (full_dir, 0, NULL);
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@ -3061,6 +3072,34 @@ scan_directory (GtkIconThemePrivate *icon_theme,
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g_dir_close (gdir);
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}
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static void
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scan_resources (GtkIconThemePrivate *icon_theme,
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IconThemeDir *dir,
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gchar *full_dir,
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gchar **children)
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{
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gint i;
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GTK_NOTE (ICONTHEME, g_print ("scanning resources %s\n", full_dir));
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dir->icons = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
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for (i = 0; children[i]; i++)
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{
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gchar *base_name;
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IconSuffix suffix, hash_suffix;
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suffix = suffix_from_name (children[i]);
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if (suffix == ICON_SUFFIX_NONE)
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continue;
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base_name = strip_suffix (children[i]);
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hash_suffix = GPOINTER_TO_INT (g_hash_table_lookup (dir->icons, base_name));
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/* takes ownership of base_name */
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g_hash_table_replace (dir->icons, base_name, GUINT_TO_POINTER (hash_suffix|suffix));
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}
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}
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static void
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theme_subdir_load (GtkIconTheme *icon_theme,
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IconTheme *theme,
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@ -3153,6 +3192,7 @@ theme_subdir_load (GtkIconTheme *icon_theme,
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dir = g_new (IconThemeDir, 1);
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dir->type = type;
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dir->is_resource = FALSE;
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dir->context = context;
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dir->size = size;
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dir->min_size = min_size;
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@ -3179,6 +3219,40 @@ theme_subdir_load (GtkIconTheme *icon_theme,
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else
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g_free (full_dir);
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}
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for (d = icon_theme->priv->resource_paths; d; d = d->next)
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{
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gchar **children;
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full_dir = g_build_filename ((const gchar *)d->data, theme->name, subdir, NULL);
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children = g_resources_enumerate_children (full_dir, 0, NULL);
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if (children)
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{
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dir = g_new (IconThemeDir, 1);
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dir->type = type;
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dir->is_resource = TRUE;
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dir->context = context;
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dir->size = size;
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dir->min_size = min_size;
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dir->max_size = max_size;
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dir->threshold = threshold;
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dir->dir = full_dir;
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dir->subdir = g_strdup (subdir);
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dir->scale = scale;
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dir->cache = NULL;
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dir->subdir_index = -1;
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scan_resources (icon_theme->priv, dir, full_dir, children);
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theme->dirs = g_list_prepend (theme->dirs, dir);
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g_strfreev (children);
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}
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else
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{
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GTK_NOTE (ICONTHEME, g_print ("no resources at %s\n", full_dir));
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g_free (full_dir);
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}
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}
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}
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/*
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@ -3209,6 +3283,7 @@ icon_info_new (IconThemeDirType type,
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icon_info->dir_scale = dir_scale;
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icon_info->unscaled_scale = 1.0;
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icon_info->is_svg = FALSE;
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icon_info->is_resource = FALSE;
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return icon_info;
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}
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@ -3645,6 +3720,24 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
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source_pixbuf = NULL;
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if (icon_info->cache_pixbuf)
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source_pixbuf = g_object_ref (icon_info->cache_pixbuf);
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else if (icon_info->is_resource)
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{
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if (icon_info->is_svg)
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{
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gint size;
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if (icon_info->forced_size)
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size = scaled_desired_size;
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else
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size = icon_info->dir_size * icon_info->dir_scale * icon_info->scale;
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source_pixbuf = gdk_pixbuf_new_from_resource_at_scale (icon_info->filename,
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size, size, TRUE,
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&icon_info->load_error);
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}
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else
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source_pixbuf = gdk_pixbuf_new_from_resource (icon_info->filename,
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&icon_info->load_error);
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}
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else
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{
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GInputStream *stream;
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@ -3665,10 +3758,8 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
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else
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size = icon_info->dir_size * icon_info->dir_scale * icon_info->scale;
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source_pixbuf = gdk_pixbuf_new_from_stream_at_scale (stream,
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size,
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size,
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TRUE,
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NULL,
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size, size,
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TRUE, NULL,
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&icon_info->load_error);
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}
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else
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@ -187,6 +187,10 @@ GDK_AVAILABLE_IN_ALL
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void gtk_icon_theme_prepend_search_path (GtkIconTheme *icon_theme,
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const gchar *path);
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GDK_AVAILABLE_IN_3_14
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void gtk_icon_theme_add_resource_path (GtkIconTheme *icon_theme,
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const gchar *path);
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GDK_AVAILABLE_IN_ALL
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void gtk_icon_theme_set_custom_theme (GtkIconTheme *icon_theme,
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const gchar *theme_name);
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