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/****************************************************************************
**
** Copyright (C) 2011 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;
QGraphicsWidget* mainSceneRoot;
bool loop;
// FPS stuff:
QList<QTime> frameTimeList;
QList<float> fpsHistory;
float currentFps;
float fpsMedian;
DemoTextItem *fpsLabel;
protected:
// Overridden 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
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