From 8b2c46c5338e8dac45a3106e9a1fb6402d638bbc Mon Sep 17 00:00:00 2001
From: Tobias Doerffel <tobias.doerffel@gmail.com>
Date: Sat, 18 Oct 2008 21:53:07 +0000
Subject: [PATCH] check for focusWidget() being NULL before checking
 inheritance - fixes crash for example when loading VST plugins

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1775 0778d3d1-df1d-0410-868b-ea421aaaa00d
---
 src/core/piano.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/piano.cpp b/src/core/piano.cpp
index b80550bb5..aa50940c7 100644
--- a/src/core/piano.cpp
+++ b/src/core/piano.cpp
@@ -719,6 +719,7 @@ void pianoView::focusOutEvent( QFocusEvent * )
 	// focus just switched to another control inside the instrument track
 	// window we live in?
 	if( parentWidget()->parentWidget()->focusWidget() != this &&
+		parentWidget()->parentWidget()->focusWidget() != NULL &&
 		!parentWidget()->parentWidget()->
 				focusWidget()->inherits( "QLineEdit" ) )
 	{