- virtual void entered () {}
- virtual void exited () {}
-
- static sigc::signal<void,RegionView*> RegionViewGoingAway;
- sigc::signal<void> GoingAway;
+ uint32_t get_fill_color ();
+
+ virtual void entered (bool) {}
+ virtual void exited () {}
+
+ virtual void enable_display(bool yn) { _enable_display = yn; }
+ virtual void update_coverage_frames (LayerDisplay);
+
+ static PBD::Signal1<void,RegionView*> RegionViewGoingAway;