From 2bb880aac006a42ea730806b1f36f5cce3293562 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 8 Nov 2021 16:49:53 -0700
Subject: [PATCH] midi track redisplay when mode/root is changed

---
 gtk2_ardour/midi_time_axis.cc | 10 ++++++++++
 gtk2_ardour/midi_time_axis.h  |  1 +
 2 files changed, 11 insertions(+)

diff --git a/gtk2_ardour/midi_time_axis.cc b/gtk2_ardour/midi_time_axis.cc
index 94f029bb20..742e65bbc8 100644
--- a/gtk2_ardour/midi_time_axis.cc
+++ b/gtk2_ardour/midi_time_axis.cc
@@ -2099,3 +2099,13 @@ MidiTimeAxisView::get_regions_with_selected_data (RegionSelection& rs)
 {
 	midi_view()->get_regions_with_selected_data (rs);
 }
+
+void
+MidiTimeAxisView::route_property_changed (const PBD::PropertyChange& pc)
+{
+	RouteTimeAxisView::route_property_changed (pc);
+	
+	if (pc.contains (Properties::musical_mode) || pc.contains (Properties::musical_root)) {
+		_view->redisplay_track ();
+	}
+}
diff --git a/gtk2_ardour/midi_time_axis.h b/gtk2_ardour/midi_time_axis.h
index 7e68dcc0fe..aea83bb286 100644
--- a/gtk2_ardour/midi_time_axis.h
+++ b/gtk2_ardour/midi_time_axis.h
@@ -117,6 +117,7 @@ protected:
 	void start_step_editing ();
 	void stop_step_editing ();
 	void processors_changed (ARDOUR::RouteProcessorChange);
+	void route_property_changed (const PBD::PropertyChange&);
 
 private:
 	sigc::signal<void, std::string, std::string>  _midi_patch_settings_changed;