From 68ca289b92adbfd2d8c2e31a76fc77a1e6c5caee Mon Sep 17 00:00:00 2001
From: nick_m <mainsbridge@gmail.com>
Date: Fri, 30 Dec 2016 00:40:20 +1100
Subject: [PATCH] retain note selection for invalidated notes.

---
 gtk2_ardour/midi_region_view.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index a359b0407f..108b3e4dc3 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -1204,6 +1204,10 @@ MidiRegionView::redisplay_model()
 					cne->validate();
 					missing_notes.erase (f);
 				} else {
+					if (cne->selected()) {
+						_marked_for_selection.insert (note);
+					}
+
 					cne->invalidate();
 				}