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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation 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 MOVEMENTTRANSITION_H
#define MOVEMENTTRANSITION_H
#include <QtGui>
#include "window.h"
//![0]
class MovementTransition : public QEventTransition
{
Q_OBJECT
public:
MovementTransition(Window *window) :
QEventTransition(window, QEvent::KeyPress) {
this->window = window;
}
//![0]
//![1]
protected:
bool eventTest(QEvent *event) {
if (event->type() == QEvent::Wrapped &&
static_cast<QWrappedEvent *>(event)->event()->type() == QEvent::KeyPress) {
QEvent *wrappedEvent = static_cast<QWrappedEvent *>(event)->event();
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(wrappedEvent);
int key = keyEvent->key();
return key == Qt::Key_2 || key == Qt::Key_8 || key == Qt::Key_6 ||
key == Qt::Key_4;
}
return false;
}
//![1]
//![2]
void onTransition(QEvent *event) {
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(
static_cast<QWrappedEvent *>(event)->event());
int key = keyEvent->key();
switch (key) {
case Qt::Key_4:
window->movePlayer(Window::Left);
break;
case Qt::Key_8:
window->movePlayer(Window::Up);
break;
case Qt::Key_6:
window->movePlayer(Window::Right);
break;
case Qt::Key_2:
window->movePlayer(Window::Down);
break;
default:
;
}
}
//![2]
private:
Window *window;
};
#endif
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