-/*
- * A note about items in an editing Selection:
- * At a high level, selections can include Tracks, Objects, or Time Ranges
- * Range and Object selections are mutually exclusive.
- * Selecting a Range will deselect all Objects, and vice versa.
- * This is done to avoid confusion over what will happen in an operation such as Delete
- * Tracks are somewhat orthogonal b/c editing operations don't apply to tracks.
- * The Track selection isn't affected when ranges or objects are added.
- */
-
- void clear_time(); //clears any time selection ( i.e. Range )
- void clear_tracks (); //clears the track header selections
- void clear_objects(); //clears the items listed below
+ /*
+ * A note about items in an editing Selection:
+ * At a high level, selections can include Tracks, Objects, or Time Ranges
+ * Range and Object selections are mutually exclusive.
+ * Selecting a Range will deselect all Objects, and vice versa.
+ * This is done to avoid confusion over what will happen in an operation such as Delete
+ * Tracks are somewhat orthogonal b/c editing operations don't apply to tracks.
+ * The Track selection isn't affected when ranges or objects are added.
+ */
+
+ void clear_all() { clear_time(); clear_tracks(); clear_objects(); }
+
+ void clear_time(bool with_signal = true); //clears any time selection ( i.e. Range )
+ void clear_tracks (bool with_signal = true); //clears the track header selections
+ void clear_objects(bool with_signal = true); //clears the items listed below