40a54bf565
Examples should demonstrate best practice, and we can use the keyword directly nowadays. Change-Id: I1f122e5caceca17290757ffbaf3d660e7daa9ae4 Reviewed-by: Topi Reiniö <topi.reinio@theqtcompany.com>
123 lines
4.3 KiB
C++
123 lines
4.3 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the documentation of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** BSD License Usage
|
|
** Alternatively, 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 The Qt Company Ltd 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 <QtWidgets>
|
|
|
|
#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) override {
|
|
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 || key == Qt::Key_Down || key == Qt::Key_Up ||
|
|
key == Qt::Key_Right || key == Qt::Key_Left;
|
|
}
|
|
return false;
|
|
}
|
|
//![1]
|
|
|
|
//![2]
|
|
void onTransition(QEvent *event) override {
|
|
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(
|
|
static_cast<QStateMachine::WrappedEvent *>(event)->event());
|
|
|
|
int key = keyEvent->key();
|
|
switch (key) {
|
|
case Qt::Key_Left:
|
|
case Qt::Key_4:
|
|
window->movePlayer(Window::Left);
|
|
break;
|
|
case Qt::Key_Up:
|
|
case Qt::Key_8:
|
|
window->movePlayer(Window::Up);
|
|
break;
|
|
case Qt::Key_Right:
|
|
case Qt::Key_6:
|
|
window->movePlayer(Window::Right);
|
|
break;
|
|
case Qt::Key_Down:
|
|
case Qt::Key_2:
|
|
window->movePlayer(Window::Down);
|
|
break;
|
|
default:
|
|
;
|
|
}
|
|
}
|
|
//![2]
|
|
|
|
private:
|
|
Window *window;
|
|
};
|
|
|
|
#endif
|
|
|