forked from AuroraMiddleware/gtk
Bind the themes to the lifecycle of the screen
https://bugzilla.gnome.org/show_bug.cgi?id=683896
This commit is contained in:
William Jon McCann
Matthias Clasen
parent
5debed5ae2
commit
1f5dea9eba
@ -2607,6 +2607,196 @@ _gtk_css_provider_load_from_resource (GtkCssProvider *css_provider,
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return result;
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}
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static char *
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_find_theme_path (const gchar *name,
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const gchar *variant)
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{
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gchar *subpath;
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gchar *path = NULL;
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if (variant)
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subpath = g_strdup_printf ("gtk-3.0" G_DIR_SEPARATOR_S "gtk-%s.css", variant);
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else
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subpath = g_strdup ("gtk-3.0" G_DIR_SEPARATOR_S "gtk.css");
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/* First look in the user's config directory
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*/
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path = g_build_filename (g_get_user_data_dir (), "themes", name, subpath, NULL);
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if (!g_file_test (path, G_FILE_TEST_EXISTS))
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{
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g_free (path);
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path = NULL;
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}
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/* Next look in the user's home directory
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*/
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if (!path)
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{
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const gchar *home_dir;
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home_dir = g_get_home_dir ();
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if (home_dir)
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{
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path = g_build_filename (home_dir, ".themes", name, subpath, NULL);
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if (!g_file_test (path, G_FILE_TEST_EXISTS))
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{
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g_free (path);
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path = NULL;
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}
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}
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}
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if (!path)
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{
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gchar *theme_dir;
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theme_dir = _gtk_css_provider_get_theme_dir ();
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path = g_build_filename (theme_dir, name, subpath, NULL);
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g_free (theme_dir);
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if (!g_file_test (path, G_FILE_TEST_EXISTS))
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{
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g_free (path);
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path = NULL;
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}
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}
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g_free (subpath);
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return path;
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}
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static gboolean
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_provider_load (GtkCssProvider *provider,
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const gchar *name,
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const gchar *variant)
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{
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gchar *resource_path;
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gboolean loaded = FALSE;
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g_assert (provider != NULL);
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if (variant)
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resource_path = g_strdup_printf ("/org/gtk/libgtk/%s-%s.css", name, variant);
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else
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resource_path = g_strdup_printf ("/org/gtk/libgtk/%s.css", name);
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if (g_resources_get_info (resource_path, 0, NULL, NULL, NULL))
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{
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loaded = _gtk_css_provider_load_from_resource (provider, resource_path);
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}
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g_free (resource_path);
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if (!loaded)
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{
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char *path;
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path = _find_theme_path (name, variant);
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if (path)
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{
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char *dir;
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char *resource_file;
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GResource *resource;
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dir = g_path_get_dirname (path);
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resource_file = g_build_filename (dir, "gtk.gresource", NULL);
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resource = g_resource_load (resource_file, NULL);
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g_free (resource_file);
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if (resource != NULL)
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g_resources_register (resource);
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loaded = gtk_css_provider_load_from_path (provider, path, NULL);
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if (!loaded)
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{
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if (resource != NULL)
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{
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g_resources_unregister (resource);
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g_resource_unref (resource);
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}
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}
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else
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{
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/* Only set this after load success, as load_from_path will clear it */
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provider->priv->resource = resource;
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}
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g_free (dir);
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}
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g_free (path);
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}
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return loaded;
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}
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static void
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destroy_theme_cache (GHashTable *themes)
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{
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g_hash_table_destroy (themes);
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}
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/*
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* _gtk_css_provider_get_named_for_screen:
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* @screen: a #GdkScreen.
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* @name: A theme name
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* @variant: (allow-none): variant to load, for example, "dark", or
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* %NULL for the default
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*
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* Loads a theme from the usual theme paths
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*
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* Returns: (transfer none): a #GtkCssProvider with the theme loaded.
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* This memory is owned by GTK+, and you must not free it.
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*/
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GtkCssProvider *
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_gtk_css_provider_get_named_for_screen (GdkScreen *screen,
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const gchar *name,
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const gchar *variant)
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{
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GtkCssProvider *provider;
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GHashTable *themes;
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gchar *key;
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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themes = g_object_get_data (G_OBJECT (screen), "gtk-themes");
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if (G_UNLIKELY (!themes))
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{
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themes = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
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g_object_set_data_full (G_OBJECT (screen),
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I_("gtk-themes"),
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themes,
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(GDestroyNotify)destroy_theme_cache);
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}
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if (name == NULL)
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key = g_strdup ("");
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else if (variant == NULL)
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key = g_strdup (name);
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else
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key = g_strconcat (name, "-", variant, NULL);
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provider = g_hash_table_lookup (themes, key);
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if (!provider)
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{
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gboolean save = TRUE;
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provider = gtk_css_provider_new ();
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if (name != NULL)
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save = _provider_load (provider, name, variant);
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if (save)
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g_hash_table_insert (themes, g_strdup (key), provider);
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}
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g_free (key);
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return provider;
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}
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/**
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* gtk_css_provider_get_default:
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*
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@ -2619,14 +2809,12 @@ _gtk_css_provider_load_from_resource (GtkCssProvider *css_provider,
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GtkCssProvider *
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gtk_css_provider_get_default (void)
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{
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static GtkCssProvider *provider;
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GdkScreen *screen = gdk_screen_get_default ();
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if (G_UNLIKELY (!provider))
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{
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provider = gtk_css_provider_new ();
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}
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return provider;
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if (screen)
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return _gtk_css_provider_get_named_for_screen (screen, NULL, NULL);
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else
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return NULL;
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}
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gchar *
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@ -2645,153 +2833,6 @@ _gtk_css_provider_get_theme_dir (void)
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return path;
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}
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/**
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* gtk_css_provider_get_named:
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* @name: A theme name
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* @variant: (allow-none): variant to load, for example, "dark", or
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* %NULL for the default
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*
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* Loads a theme from the usual theme paths
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*
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* Returns: (transfer none): a #GtkCssProvider with the theme loaded.
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* This memory is owned by GTK+, and you must not free it.
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*/
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GtkCssProvider *
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gtk_css_provider_get_named (const gchar *name,
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const gchar *variant)
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{
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static GHashTable *themes = NULL;
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GtkCssProvider *provider;
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gchar *key;
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if (variant == NULL)
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key = (gchar *)name;
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else
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key = g_strconcat (name, "-", variant, NULL);
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if (G_UNLIKELY (!themes))
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themes = g_hash_table_new (g_str_hash, g_str_equal);
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provider = g_hash_table_lookup (themes, key);
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if (!provider)
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{
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gchar *resource_path = NULL;
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if (variant)
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resource_path = g_strdup_printf ("/org/gtk/libgtk/%s-%s.css", name, variant);
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else
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resource_path = g_strdup_printf ("/org/gtk/libgtk/%s.css", name);
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if (g_resources_get_info (resource_path, 0, NULL, NULL, NULL))
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{
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provider = gtk_css_provider_new ();
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if (!_gtk_css_provider_load_from_resource (provider, resource_path))
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{
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g_object_unref (provider);
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provider = NULL;
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}
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}
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g_free (resource_path);
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}
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if (!provider)
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{
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gchar *subpath, *path = NULL;
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if (variant)
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subpath = g_strdup_printf ("gtk-3.0" G_DIR_SEPARATOR_S "gtk-%s.css", variant);
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else
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subpath = g_strdup ("gtk-3.0" G_DIR_SEPARATOR_S "gtk.css");
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/* First look in the user's config directory
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*/
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path = g_build_filename (g_get_user_data_dir (), "themes", name, subpath, NULL);
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if (!g_file_test (path, G_FILE_TEST_EXISTS))
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{
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g_free (path);
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path = NULL;
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}
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/* Next look in the user's home directory
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*/
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if (!path)
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{
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const gchar *home_dir;
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home_dir = g_get_home_dir ();
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if (home_dir)
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{
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path = g_build_filename (home_dir, ".themes", name, subpath, NULL);
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if (!g_file_test (path, G_FILE_TEST_EXISTS))
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{
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g_free (path);
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path = NULL;
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}
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}
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}
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if (!path)
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{
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gchar *theme_dir;
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theme_dir = _gtk_css_provider_get_theme_dir ();
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path = g_build_filename (theme_dir, name, subpath, NULL);
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g_free (theme_dir);
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if (!g_file_test (path, G_FILE_TEST_EXISTS))
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{
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g_free (path);
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path = NULL;
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}
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}
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g_free (subpath);
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if (path)
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{
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char *dir, *resource_file;
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GResource *resource;
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provider = gtk_css_provider_new ();
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dir = g_path_get_dirname (path);
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resource_file = g_build_filename (dir, "gtk.gresource", NULL);
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resource = g_resource_load (resource_file, NULL);
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g_free (resource_file);
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if (resource != NULL)
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g_resources_register (resource);
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if (!gtk_css_provider_load_from_path (provider, path, NULL))
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{
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if (resource != NULL)
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{
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g_resources_unregister (resource);
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g_resource_unref (resource);
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}
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g_object_unref (provider);
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provider = NULL;
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}
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else
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{
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/* Only set this after load success, as load_from_path will clear it */
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provider->priv->resource = resource;
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g_hash_table_insert (themes, g_strdup (key), provider);
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}
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g_free (path);
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g_free (dir);
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}
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}
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if (key != name)
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g_free (key);
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return provider;
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}
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static int
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compare_properties (gconstpointer a, gconstpointer b, gpointer style)
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{
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@ -86,8 +86,7 @@ gboolean gtk_css_provider_load_from_path (GtkCssProvider *css_provider,
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const gchar *path,
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GError **error);
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GtkCssProvider * gtk_css_provider_get_default (void);
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GtkCssProvider * gtk_css_provider_get_default (void);
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GtkCssProvider * gtk_css_provider_get_named (const gchar *name,
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const gchar *variant);
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@ -22,7 +22,12 @@
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G_BEGIN_DECLS
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gchar *_gtk_css_provider_get_theme_dir (void);
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gchar * _gtk_css_provider_get_theme_dir (void);
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GtkCssProvider *_gtk_css_provider_get_named_for_screen (GdkScreen *screen,
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const gchar *name,
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const gchar *variant);
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G_END_DECLS
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@ -2928,15 +2928,15 @@ settings_update_theme (GtkSettings *settings)
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if (theme_name && *theme_name)
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{
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if (prefer_dark_theme)
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provider = gtk_css_provider_get_named (theme_name, "dark");
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provider = _gtk_css_provider_get_named_for_screen (priv->screen, theme_name, "dark");
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if (!provider)
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provider = gtk_css_provider_get_named (theme_name, NULL);
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provider = _gtk_css_provider_get_named_for_screen (priv->screen, theme_name, NULL);
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}
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/* If we didn't find the named theme, fall back */
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if (!provider)
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provider = gtk_css_provider_get_named ("Raleigh", NULL);
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provider = _gtk_css_provider_get_named_for_screen (priv->screen, "Raleigh", NULL);
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settings_update_provider (priv->screen, &priv->theme_provider, provider);
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@ -2971,7 +2971,7 @@ settings_update_key_theme (GtkSettings *settings)
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NULL);
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if (key_theme_name && *key_theme_name)
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provider = gtk_css_provider_get_named (key_theme_name, "keys");
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provider = _gtk_css_provider_get_named_for_screen (priv->screen, key_theme_name, "keys");
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settings_update_provider (priv->screen, &priv->key_theme_provider, provider);
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g_free (key_theme_name);
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