Long live Qt 4.5!

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diff --git a/examples/opengl/hellogl/glwidget.h b/examples/opengl/hellogl/glwidget.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GLWIDGET_H
+#define GLWIDGET_H
+
+#include <QGLWidget>
+
+//! [0]
+class GLWidget : public QGLWidget
+{
+    Q_OBJECT
+
+public:
+    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:
+    GLuint makeObject();
+    void quad(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2,
+              GLdouble x3, GLdouble y3, GLdouble x4, GLdouble y4);
+    void extrude(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2);
+    void normalizeAngle(int *angle);
+
+    GLuint object;
+    int xRot;
+    int yRot;
+    int zRot;
+    QPoint lastPos;
+    QColor trolltechGreen;
+    QColor trolltechPurple;
+};
+//! [3]
+
+#endif