diff --git a/src/osgViewer/View.cpp b/src/osgViewer/View.cpp
index 195229ae0..40e67d49c 100644
--- a/src/osgViewer/View.cpp
+++ b/src/osgViewer/View.cpp
@@ -105,12 +105,14 @@ void View::setUpViewAcrossAllScreens()
             if (gw)
             {
                 osg::notify(osg::INFO)<<"  GraphicsWindow has been created successfully."<<std::endl;
+                gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
             }
             else
             {
                 osg::notify(osg::NOTICE)<<"  GraphicsWindow has not been created successfully."<<std::endl;
             }
 
+
             _camera->setViewport(new osg::Viewport(0, 0, width, height));
     }
     else
@@ -147,6 +149,7 @@ void View::setUpViewAcrossAllScreens()
             {
                 osg::notify(osg::INFO)<<"  GraphicsWindow has been created successfully."<<gw<<std::endl;
                 
+                gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
                 gw->getEventQueue()->setUseFixedMouseInputRange(true);
                 gw->getEventQueue()->getCurrentEventState()->setInputRange(inputRangeMinX, inputRangeMinY, inputRangeMinX+float(width),inputRangeMinY+float(height) );
                 inputRangeMinX += float(width);
diff --git a/src/osgViewer/Viewer.cpp b/src/osgViewer/Viewer.cpp
index 358422b96..b027371dd 100644
--- a/src/osgViewer/Viewer.cpp
+++ b/src/osgViewer/Viewer.cpp
@@ -299,8 +299,12 @@ void Viewer::frameEventTraversal()
         ++itr)
     {
         osgGA::GUIEventAdapter* event = itr->get();
-        event->setInputRange(eventState->getXmin(), eventState->getYmin(), eventState->getXmax(), eventState->getYmax());
-
+        
+        if (getEventQueue()->getUseFixedMouseInputRange())
+        {
+            event->setInputRange(eventState->getXmin(), eventState->getYmin(), eventState->getXmax(), eventState->getYmax());
+        }
+        
         switch(event->getEventType())
         {
             case(osgGA::GUIEventAdapter::PUSH):
@@ -310,12 +314,17 @@ void Viewer::frameEventTraversal()
                 eventState->setX(event->getX());
                 eventState->setY(event->getY());
                 eventState->setButtonMask(event->getButtonMask());
+                // osg::notify(osg::NOTICE)<<"   mouse x = "<<event->getX()<<" y="<<event->getY()<<std::endl;
+                // osg::notify(osg::NOTICE)<<"   mouse Xmin = "<<event->getXmin()<<" Ymin="<<event->getYmin()<<" xMax="<<event->getXmax()<<" Ymax="<<event->getYmax()<<std::endl;
                 break;
             default:
                 break;
         }
     }
 
+    // osg::notify(osg::NOTICE)<<"mouseEventState Xmin = "<<eventState->getXmin()<<" Ymin="<<eventState->getYmin()<<" xMax="<<eventState->getXmax()<<" Ymax="<<eventState->getYmax()<<std::endl;
+
+
     _eventQueue->frame( _scene->getFrameStamp()->getReferenceTime() );
 
     _eventQueue->takeEvents(events);