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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 documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#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::StateMachineWrapped &&
static_cast<QStateMachine::WrappedEvent *>(event)->event()->type() == QEvent::KeyPress) {
QEvent *wrappedEvent = static_cast<QStateMachine::WrappedEvent *>(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<QStateMachine::WrappedEvent *>(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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