+ virtual void entered () {}
+ virtual void exited () {}
+
+ static sigc::signal<void,RegionView*> RegionViewGoingAway;
+ sigc::signal<void> GoingAway;
+
+ protected:
+
+ /** Allows derived types to specify their visibility requirements
+ * to the TimeAxisViewItem parent class
+ */
+ RegionView (ArdourCanvas::Group *,
+ TimeAxisView&,
+ ARDOUR::Region&,
+ double initial_samples_per_unit,
+ Gdk::Color& basic_color,
+ TimeAxisViewItem::Visibility);
+
+ ARDOUR::Region& _region;
+