From 2c19290fab404baf2f31e87d0c3786ff6e3c4bf9 Mon Sep 17 00:00:00 2001
From: "Raine M. Ekman" <raine@raine.(none)>
Date: Tue, 8 Apr 2014 21:44:19 +0300
Subject: [PATCH] Fix broken command line rendering. Should always check that
 editor windows exist before using them.

---
 src/tracks/pattern.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tracks/pattern.cpp b/src/tracks/pattern.cpp
index c1022d991..952f6fdec 100644
--- a/src/tracks/pattern.cpp
+++ b/src/tracks/pattern.cpp
@@ -537,7 +537,7 @@ void pattern::updateBBTrack()
 		engine::getBBTrackContainer()->updateBBTrack( this );
 	}
 
-	if( engine::pianoRoll()->currentPattern() == this )
+	if( engine::pianoRoll() && engine::pianoRoll()->currentPattern() == this )
 	{
 		engine::pianoRoll()->update();
 	}