From b8d4533fa3cfd6e8a157e2552b0fc2522a3c44b9 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 18 Jun 2010 14:53:58 +0000
Subject: [PATCH] Added checks against windows being realized before doing warp
 pointer

---
 src/osgViewer/GraphicsWindowCarbon.cpp | 8 +++++++-
 src/osgViewer/GraphicsWindowWin32.cpp  | 2 +-
 src/osgViewer/GraphicsWindowX11.cpp    | 6 ++++++
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/osgViewer/GraphicsWindowCarbon.cpp b/src/osgViewer/GraphicsWindowCarbon.cpp
index 8fca9434e..d1bb8db87 100644
--- a/src/osgViewer/GraphicsWindowCarbon.cpp
+++ b/src/osgViewer/GraphicsWindowCarbon.cpp
@@ -1028,9 +1028,15 @@ void GraphicsWindowCarbon::setWindowName (const std::string& name)
 
 void GraphicsWindowCarbon::requestWarpPointer(float x,float y)
 {
+    if (!_realized)
+    {
+        OSG_INFO<<"GraphicsWindowCarbon::requestWarpPointer() - Window not realized; cannot warp pointer, screenNum="<< _traits->screenNum<<std::endl;
+        return;
+    }
 
     DarwinWindowingSystemInterface* wsi = dynamic_cast<DarwinWindowingSystemInterface*>(osg::GraphicsContext::getWindowingSystemInterface());
-    if (wsi == NULL) {
+    if (wsi == NULL)
+    {
         OSG_WARN << "GraphicsWindowCarbon::useCursor: could not get OSXCarbonWindowingSystemInterface" << std::endl;
         return;
     }
diff --git a/src/osgViewer/GraphicsWindowWin32.cpp b/src/osgViewer/GraphicsWindowWin32.cpp
index 5a429b3a9..0c2f19722 100644
--- a/src/osgViewer/GraphicsWindowWin32.cpp
+++ b/src/osgViewer/GraphicsWindowWin32.cpp
@@ -1981,7 +1981,7 @@ void GraphicsWindowWin32::requestWarpPointer( float x, float y )
 {
     if (!_realized)
     {
-        reportErrorForScreen("GraphicsWindowWin32::requestWarpPointer() - Window not realized; cannot warp pointer", _traits->screenNum, 0);
+        OSG_INFO<<"GraphicsWindowWin32::requestWarpPointer() - Window not realized; cannot warp pointer, screenNum="<< _traits->screenNum<<std::endl;
         return;
     }
 
diff --git a/src/osgViewer/GraphicsWindowX11.cpp b/src/osgViewer/GraphicsWindowX11.cpp
index 07740a22a..d47f399f2 100644
--- a/src/osgViewer/GraphicsWindowX11.cpp
+++ b/src/osgViewer/GraphicsWindowX11.cpp
@@ -1640,6 +1640,12 @@ int GraphicsWindowX11::getModifierMask() const
 
 void GraphicsWindowX11::requestWarpPointer(float x,float y)
 {
+    if (!_realized)
+    {
+        OSG_INFO<<"GraphicsWindowX11::requestWarpPointer() - Window not realized; cannot warp pointer, screenNum="<< _traits->screenNum<<std::endl;
+        return;
+    }
+
     Display* display = _eventDisplay; // getDisplayToUse();
 
     XWarpPointer( display,