GtkCssValue *_gtk_theming_engine_peek_property (GtkThemingEngine *engine,
guint property_id);
-double _gtk_theming_engine_get_number (GtkThemingEngine *engine,
- guint property_id,
- double one_hundred_percent);
void _gtk_theming_engine_set_context (GtkThemingEngine *engine,
GtkStyleContext *context);
GtkStyleContext *_gtk_theming_engine_get_context (GtkThemingEngine *engine);