From e1bb03bba4befcaebf4766980c0e2ce7bcf2c4a9 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 22 Jun 2012 17:35:41 +0000
Subject: [PATCH] don't swallow left/right scroll events in a midi region view
 when in internal edit mode, fixes #4555

git-svn-id: svn://localhost/ardour2/branches/3.0@12822 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 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 ce02bf0149..2256412b8a 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -680,7 +680,11 @@ MidiRegionView::scroll (GdkEventScroll* ev)
 		change_velocities (true, fine, false, together);
 	} else if (ev->direction == GDK_SCROLL_DOWN) {
 		change_velocities (false, fine, false, together);
+	} else {
+		/* left, right: we don't use them */
+		return false;
 	}
+
 	return true;
 }