From 32d2e2eaacf92e919e0cd109a25e3fd212d6aec9 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Mon, 24 May 2010 21:45:50 +0000
Subject: [PATCH] Preserve source's model on clone() if it is not rebuilt. 
 Should fix #3155.

git-svn-id: svn://localhost/ardour2/branches/3.0@7149 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/ardour/midi_source.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libs/ardour/midi_source.cc b/libs/ardour/midi_source.cc
index 0c66879330..54b287cbdf 100644
--- a/libs/ardour/midi_source.cc
+++ b/libs/ardour/midi_source.cc
@@ -266,7 +266,9 @@ MidiSource::clone (Evoral::MusicalTime begin, Evoral::MusicalTime end)
         
         if (begin != Evoral::MinMusicalTime || end != Evoral::MaxMusicalTime) {
                 newsrc->load_model (true, true);
-        }
+        } else {
+		newsrc->set_model (_model);
+	}
         
         return newsrc;
 }