/****************************************************************************+
−
**+
−
** 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 demonstration applications 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 MAIN_WINDOW_H+
−
#define MAIN_WINDOW_H+
−
+
−
#include <QtGui>+
−
#include <QPixmap>+
−
+
−
class DemoTextItem;+
−
class ImageItem;+
−
+
−
class MainWindow : public QGraphicsView+
−
{+
−
    Q_OBJECT+
−
+
−
public:+
−
    MainWindow(QWidget *parent = 0);+
−
    ~MainWindow();+
−
    void enableMask(bool enable);+
−
    void toggleFullscreen();+
−
    int performBenchmark();+
−
    void switchTimerOnOff(bool on);+
−
    void start();+
−
+
−
    QGraphicsScene *scene;+
−
    bool loop;+
−
+
−
    // FPS stuff:+
−
    QList<QTime> frameTimeList;+
−
    QList<float> fpsHistory;+
−
    float currentFps;+
−
    float fpsMedian;+
−
    DemoTextItem *fpsLabel;+
−
+
−
protected:+
−
    // Overidden methods:+
−
    void showEvent(QShowEvent *event);+
−
    void keyPressEvent(QKeyEvent *event);+
−
    void resizeEvent(QResizeEvent *event);+
−
    void drawBackground(QPainter *painter, const QRectF &rect);+
−
    void drawItems(QPainter *painter, int numItems, QGraphicsItem ** items, const QStyleOptionGraphicsItem* options);+
−
    void focusInEvent(QFocusEvent *event);+
−
    void focusOutEvent(QFocusEvent *event);+
−
+
−
private slots:+
−
    void tick();+
−
+
−
private:+
−
    void setupWidget();+
−
    void setupSceneItems();+
−
    void drawBackgroundToPixmap();+
−
    void setupScene();+
−
    bool measureFps();+
−
    void forceFpsMedianCalculation();+
−
    void checkAdapt();+
−
    void setRenderingSystem();+
−
+
−
    QTimer updateTimer;+
−
    QTime demoStartTime;+
−
    QTime fpsTime;+
−
    QPixmap background;+
−
    ImageItem *companyLogo;+
−
    ImageItem *qtLogo;+
−
    bool doneAdapt;+
−
    bool useTimer;+
−
    DemoTextItem *pausedLabel;+
−
};+
−
+
−
#endif // MAIN_WINDOW_H+
−
+
−