virtual framepos_t get_preferred_edit_position (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE, bool from_context_menu = false, bool from_outside_canvas = false) = 0;
virtual void toggle_meter_updating() = 0;
virtual void split_regions_at (framepos_t, RegionSelection&) = 0;
virtual framepos_t get_preferred_edit_position (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE, bool from_context_menu = false, bool from_outside_canvas = false) = 0;
virtual void toggle_meter_updating() = 0;
virtual void split_regions_at (framepos_t, RegionSelection&) = 0;