From Jean-Sebastien Guay. Fix for stuck keys problem when viewer loses focus. Equivalent to Melchior Franz's fix for the same issue in GraphicsWindowX11. When the application loses focus, all currently pressed keys are released. When it regains focus, keys are queried to see which are currently pressed and keydown messages are sent for those.

Also, from Daniel Olivier. Fix for windows based on GraphicsWindowWin32 not switching to the resize mouse cursors when the mouse goes close to window borders.

include/osgViewer/api/Win32/GraphicsWindowWin32

@@ -174,8 +174,14 @@ class OSGVIEWER_EXPORT GraphicsWindowWin32 : public osgViewer::GraphicsWindow
         bool            _destroying;
 
         MouseCursor     _mouseCursor;
+
+        /// Persist which mouse cursor was used before switching to the resize cursors.
+        MouseCursor     _appMouseCursor;
         
         std::map<MouseCursor,HCURSOR> _mouseCursorMap;
+
+        std::map<int, bool> _keyMap;
+
 };
 
 }