add another btgui test

btgui/OpenGLWindow/X11OpenGLWindow.h

@@ -0,0 +1,64 @@
+#ifndef X11_OPENGL_WINDOW_H
+#define X11_OPENGL_WINDOW_H
+
+#define btgDefaultOpenGLWindow X11OpenGLWindow
+
+#include "btgWindowInterface.h"
+
+class X11OpenGLWindow : public btgWindowInterface
+{
+
+	struct InternalData2*   m_data;
+        bool m_OpenGLInitialized;
+
+protected:
+
+        void enableOpenGL();
+
+        void disableOpenGL();
+
+        void pumpMessage();
+
+        int getAsciiCodeFromVirtualKeycode(int orgCode);
+
+public:
+
+        X11OpenGLWindow();
+
+        virtual ~X11OpenGLWindow();
+
+        virtual void    createWindow(const btgWindowConstructionInfo& ci);
+
+        virtual void    closeWindow();
+
+        virtual void    startRendering();
+
+        virtual void    renderAllObjects();
+
+        virtual void    endRendering();
+
+        virtual float getRetinaScale() const {return 1.f;}
+
+
+	virtual void    runMainLoop();
+        virtual float   getTimeInSeconds();
+
+        virtual bool    requestedExit() const;
+        virtual void    setRequestExit() ;
+
+
+        virtual void setMouseMoveCallback(btMouseMoveCallback   mouseCallback);
+        virtual void setMouseButtonCallback(btMouseButtonCallback       mouseCallback);
+        virtual void setResizeCallback(btResizeCallback resizeCallback);
+        virtual void setWheelCallback(btWheelCallback wheelCallback);
+        virtual void setKeyboardCallback( btKeyboardCallback    keyboardCallback);
+
+        virtual void setRenderCallback( btRenderCallback renderCallback);
+
+        virtual void setWindowTitle(const char* title);
+
+};
+
+
+#endif
+