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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** 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 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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
+