glbox.h Example File
activeqt/opengl/glbox.h
    /****************************************************************************
    **
    ** Copyright (C) 1992-2006 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
    ** General Public Licensing requirements will be met:
    ** http://www.trolltech.com/products/qt/opensource.html
    **
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://www.trolltech.com/products/qt/licensing.html or contact the
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    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ****************************************************************************/
    /****************************************************************************
    **
    ** This is a simple QGLWidget displaying an openGL wireframe box
    **
    ****************************************************************************/
    #ifndef GLBOX_H
    #define GLBOX_H
    #include <QtOpenGL>
    #include <QAxBindable>
    class GLBox : public QGLWidget,
                  public QAxBindable
    {
        Q_OBJECT
    public:
        GLBox( QWidget* parent, const char* name = 0 );
        ~GLBox();
        QAxAggregated *createAggregate();
    public slots:
        void                setXRotation( int degrees );
        void                setYRotation( int degrees );
        void                setZRotation( int degrees );
    protected:
        void                initializeGL();
        void                paintGL();
        void                resizeGL( int w, int h );
        virtual GLuint      makeObject();
    private:
        GLuint object;
        GLfloat xRot, yRot, zRot, scale;
    };
    #endif // GLBOX_H