From ec8c0e93bbb14d69333cbba4f4aef79e2802b460 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 7 Dec 2014 17:29:48 -0500
Subject: [PATCH] Fix shift-rect-select with MIDI notes.

---
 gtk2_ardour/midi_region_view.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index 6f0e155d54..2f5d69ffe9 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -636,7 +636,9 @@ MidiRegionView::motion (GdkEventMotion* ev)
 				return true;
 			} else if (m == MouseObject) {
 				editor.drags()->set (new MidiRubberbandSelectDrag (dynamic_cast<Editor *> (&editor), this), (GdkEvent *) ev);
-				clear_selection ();
+				if (!Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
+					clear_selection ();
+				}
 				_mouse_state = SelectRectDragging;
 				return true;
 			} else if (m == MouseRange) {