GObjectClass parent_class;
};
-#define GTK_TOOLTIP_VISIBLE(tooltip) ((tooltip)->current_window && GTK_WIDGET_VISIBLE ((tooltip)->current_window))
+#define GTK_TOOLTIP_VISIBLE(tooltip) ((tooltip)->current_window && gtk_widget_get_visible (GTK_WIDGET((tooltip)->current_window)))
static void gtk_tooltip_class_init (GtkTooltipClass *klass);