* The draw function is normally called when a drawing area first comes
* onscreen, or when it’s covered by another window and then uncovered.
* You can also force a redraw by adding to the “damage region” of the
- * drawing area’s window using gtk_widget_queue_draw_region(),
- * gtk_widget_queue_draw_area() or gtk_widget_queue_draw().
+ * drawing area’s window using gtk_widget_queue_draw().
* This will cause the drawing area to call the draw function again.
*
* The available routines for drawing are documented on the