speed up patch change redisplay when using scroomer / adjusting height.

[ardour.git] / gtk2_ardour / midi_region_view.h

diff --git a/gtk2_ardour/midi_region_view.h b/gtk2_ardour/midi_region_view.h
index a99881bc216d63207fc12319e3c61e5bac5fe848..7c60c2a037b49494eafdafb0d4216287b1b154a6 100644 (file)
--- a/gtk2_ardour/midi_region_view.h
+++ b/gtk2_ardour/midi_region_view.h
@@ -126,6 +126,7 @@ public:
        void paste_internal (framepos_t pos, unsigned paste_count, float times, const MidiCutBuffer&);
 
        void add_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr patch, const std::string& displaytext, bool);
+       void remove_canvas_patch_change (PatchChange* pc);
 
        /** Look up the given time and channel in the 'automation' and set keys accordingly.
         * @param time the time of the patch change event
@@ -462,6 +463,8 @@ private:
        NoteBase* find_canvas_note (Evoral::event_id_t id);
        Events::iterator _optimization_iterator;
 
+       boost::shared_ptr<PatchChange> find_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr p);
+
        void update_note (NoteBase*, bool update_ghost_regions = true);
        void update_sustained (Note *, bool update_ghost_regions = true);
        void update_hit (Hit *, bool update_ghost_regions = true);