From: Thomas Geymayer <tomgey@gmail.com>
Date: Thu, 16 May 2013 21:06:30 +0000 (+0200)
Subject: Do not crash if event has no graphics context assigned
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=6a3354cb156b9871911ba81159e0affd13f16c82;p=flightgear.git

Do not crash if event has no graphics context assigned
---

diff --git a/src/Viewer/FGEventHandler.cxx b/src/Viewer/FGEventHandler.cxx
index aa3d5ac49..c0978b164 100644
--- a/src/Viewer/FGEventHandler.cxx
+++ b/src/Viewer/FGEventHandler.cxx
@@ -151,6 +151,8 @@ eventToViewport(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us,
     y = -1;
 
     const osg::GraphicsContext* eventGC = ea.getGraphicsContext();
+    if( !eventGC )
+      return false; // TODO how can this happen?
     const osg::GraphicsContext::Traits* traits = eventGC->getTraits();
     osg::Camera* guiCamera = getGUICamera(CameraGroup::getDefault());
     if (!guiCamera)