64         Paths oldPaths;

    64         Paths oldPaths;

    65         bool m_isErasing;

    65         bool m_isErasing;

    66         QList<QGraphicsItem *> oldItems;

    66         QList<QGraphicsItem *> oldItems;

    67         QGraphicsEllipseItem * m_cursor;

    67         QGraphicsEllipseItem * m_cursor;

    68         bool m_isCursorShown;

    68         bool m_isCursorShown;

    69 

    70 

    70         virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * mouseEvent);

    71         virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * mouseEvent);

    71         virtual void mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent);

    72         virtual void mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent);

    72         virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * mouseEvent);

    73         virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * mouseEvent);

    73         virtual void wheelEvent(QGraphicsSceneWheelEvent *);

    74         virtual void wheelEvent(QGraphicsSceneWheelEvent *);