/******************************************************************************** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the examples of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** GNU Lesser General Public License Usage** Alternatively, this file may be used under the terms of the GNU Lesser** General Public License version 2.1 as published by the Free Software** Foundation and appearing in the file LICENSE.LGPL included in the** packaging of this file. Please review the following information to** ensure the GNU Lesser General Public License version 2.1 requirements** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#ifndef GLWIDGET_H#define GLWIDGET_H#include <QGLWidget>class QtLogo;//! [0]class GLWidget : public QGLWidget{ Q_OBJECTpublic: GLWidget(QWidget *parent = 0); ~GLWidget(); QSize minimumSizeHint() const; QSize sizeHint() const;//! [0]//! [1]public slots: void setXRotation(int angle); void setYRotation(int angle); void setZRotation(int angle);signals: void xRotationChanged(int angle); void yRotationChanged(int angle); void zRotationChanged(int angle);//! [1]//! [2]protected: void initializeGL(); void paintGL(); void resizeGL(int width, int height); void mousePressEvent(QMouseEvent *event); void mouseMoveEvent(QMouseEvent *event);//! [2]//! [3]private: QtLogo *logo; int xRot; int yRot; int zRot; QPoint lastPos; QColor qtGreen; QColor qtPurple;};//! [3]#endif