virtual void get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& results);
virtual void get_inverted_selectables (Selection&, list<Selectable *>& results);
virtual void get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& results);
virtual void get_inverted_selectables (Selection&, list<Selectable *>& results);