From f00e6292278098be00b17e10cff99aa56061948d Mon Sep 17 00:00:00 2001
From: Marco Benelli <marco.benelli@qt.io>
Date: Thu, 26 Jan 2017 11:28:22 +0100
Subject: [PATCH] SCXML editor: fix crash on pressing copy/cut

QtCreator used to crash when copy or cut button were pressed without
having selected an item.

Task-number: QTCREATORBUG-17637
Change-Id: Iceaea7a9f826ed16c4caee9fc28b4c14eb304c62
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
---
 src/plugins/scxmleditor/plugin_interface/graphicsscene.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/scxmleditor/plugin_interface/graphicsscene.cpp b/src/plugins/scxmleditor/plugin_interface/graphicsscene.cpp
index abbe889472e..e5681fbc6e6 100644
--- a/src/plugins/scxmleditor/plugin_interface/graphicsscene.cpp
+++ b/src/plugins/scxmleditor/plugin_interface/graphicsscene.cpp
@@ -216,6 +216,9 @@ void GraphicsScene::removeSelectedItems()
 
 void GraphicsScene::copy()
 {
+    if (!m_document->currentTag())
+        return;
+
     QPointF minPos;
     QVector<ScxmlTag*> tags;
     if (m_document->currentTag()->tagType() == Scxml) {