qt5base-lts/examples/dbus/remotecontrolledcar/car/car.h

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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples 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 The Qt Company Ltd 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.
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**
** 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
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****************************************************************************/
#ifndef CAR_H
#define CAR_H
#include <QGraphicsObject>
#include <QBrush>
class Car : public QGraphicsObject
{
Q_OBJECT
public:
Car();
QRectF boundingRect() const;
public Q_SLOTS:
void accelerate();
void decelerate();
void turnLeft();
void turnRight();
Q_SIGNALS:
void crashed();
protected:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
void timerEvent(QTimerEvent *event);
private:
QBrush color;
qreal wheelsAngle; // used when applying rotation
qreal speed; // delta movement along the body axis
};
#endif // CAR_H