fn handle_mouse_state_changes(
     &mut self,
     old_mouse_frame: Rect,
     state_changes: Vec<MouseStateChange>,
 ) {
     ...
-    self.compositor_state.queue_full_redraw(old_mouse_frame);
+    let total_update_rect = self.bind_rect_to_screen_size(old_mouse_frame.union(new_mouse_frame));
+    self.compositor_state.queue_full_redraw(total_update_rect);
     ...
 }