From Wang Rui, QWidgetImage class that enables QWidgets to be used as an interactive osg::Image that can be assigned to textures.

include/osgQt/QWidgetImage

@@ -0,0 +1,52 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2009 Robert Osfield
+ *
+ * This library is open source and may be redistributed and/or modified under
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * OpenSceneGraph Public License for more details.
+*/
+
+#ifndef QWIDGETIMAGE
+#define QWIDGETIMAGE
+
+#include <osg/Image>
+#include <osgQt/QGraphicsViewAdapter>
+
+namespace osgQt
+{
+
+class OSGQT_EXPORT QWidgetImage : public osg::Image
+{
+    public:
+
+        QWidgetImage( QWidget* widget=0 );
+
+        QWidget* getQWidget() { return _widget; }
+        QGraphicsViewAdapter* getQGraphicsViewAdapter() { return _adapter; }
+
+        void focusWidget(bool focus);
+
+        void clearWriteBuffer();
+
+        void render();
+
+        virtual void setFrameLastRendered(const osg::FrameStamp* frameStamp);
+
+        virtual bool sendPointerEvent(int x, int y, int buttonMask);
+
+        virtual bool sendKeyEvent(int key, bool keyDown);
+
+    protected:
+
+        QPointer<QGraphicsViewAdapter>  _adapter;
+        QPointer<QWidget>               _widget;
+};
+
+}
+
+#endif