From 2d4e60a328dc59ce2d49e71831ef9546106acc79 Mon Sep 17 00:00:00 2001
From: dfighter1985 <dfighter1985@localhost>
Date: Wed, 17 Sep 2014 20:51:45 +0200
Subject: [PATCH] When removing the root node, don't retain the pointer to
 it...

---
 code/studio/src/plugins/gui_editor/expression_editor.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/code/studio/src/plugins/gui_editor/expression_editor.cpp b/code/studio/src/plugins/gui_editor/expression_editor.cpp
index 392bdca41..858c63c9c 100644
--- a/code/studio/src/plugins/gui_editor/expression_editor.cpp
+++ b/code/studio/src/plugins/gui_editor/expression_editor.cpp
@@ -176,6 +176,9 @@ void ExpressionEditor::onDeleteSelection()
 			}
 		}
 
+		if( item == m_pvt->m_root )
+			m_pvt->m_root = NULL;
+
 		m_scene->removeItem( item );
 		delete item;
 	}