#include <cassert>#include <dtCore/system.h>#include <dtCore/globals.h>#include <dtCore/mouse.h>#include <dtCore/keyboard.h>#include <dtABC/widget.h>#include <dtCore/deltawin.h>#include <dtCore/camera.h>#include <dtCore/scene.h>#include "X11/Xlib.h"#include <osgViewer/CompositeViewer>