+ virtual void get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) const = 0;
+ virtual void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Evoral::Beats> > > > >&) const = 0;
+
+ virtual void mouse_add_new_tempo_event (framepos_t where) = 0;
+ virtual void mouse_add_new_meter_event (framepos_t where) = 0;
+ virtual void edit_tempo_section (ARDOUR::TempoSection*) = 0;
+ virtual void edit_meter_section (ARDOUR::MeterSection*) = 0;