Qt:Документация 4.3.2/graphicsview-collidingmice-mouse-h

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[править] mouse.h Example File
graphicsview/collidingmice/mouse.h

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 #ifndef MOUSE_H
 #define MOUSE_H
 
 #include <QGraphicsItem>
 #include <QObject>
 
 class Mouse : public QObject, public QGraphicsItem
 {
     Q_OBJECT
 
 public:
     Mouse();
 
     QRectF boundingRect() const;
     QPainterPath shape() const;
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
                QWidget *widget);
 
 protected:
     void timerEvent(QTimerEvent *event);
 
 private:
     qreal angle;
     qreal speed;
     qreal mouseEyeDirection;
     QColor color;
 };
 
 #endif

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Qt 4.3.2