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# car.h Example File
dbus/remotecontrolledcar/car/car.h

     /****************************************************************************
     **
     ** Copyright (C) 2006-$THISYEAR$ $TROLLTECH$. All rights reserved.
     **
     ** This file is part of the $MODULE$ of the Qt Toolkit.
     **
     ** $TROLLTECH_DUAL_LICENSE$
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #ifndef CAR_H
     #define CAR_H

     #include <QGraphicsItem>
     #include <QObject>
     #include <QBrush>

     class Car : public QObject, public QGraphicsItem
     {
         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