31   {

    31   {

    32   public:

    32   public:

    33     SlidingWidget(QGraphicsItem* parent = 0);

    33     SlidingWidget(QGraphicsItem* parent = 0);

    34     virtual ~SlidingWidget();

    34     virtual ~SlidingWidget();

    35     void setWindow(QGraphicsWidget* window);

    35     void setWindow(QGraphicsWidget* window);

    36     qreal slide(qreal delta);

    37     qreal slide(qreal delta);

    37     qreal shrink(qreal delta);

    38     qreal shrink(qreal delta);

    38     void setShrinkMax(qreal value) {m_shrinkMax = value;}

    39     void setShrinkMax(qreal value) {m_shrinkMax = value;}

    39     void attachItem(QGraphicsWidget * item);

    40     void attachItem(QGraphicsWidget * item);

    40     void detachItem(QGraphicsWidget * item);

    41     void detachItem(QGraphicsWidget * item);

    41   protected:

    43   protected:

    42     virtual void resizeEvent(QGraphicsSceneResizeEvent *ev);

    44     virtual void resizeEvent(QGraphicsSceneResizeEvent *ev);

    43   private:

    45   private:

    44     QGraphicsWidget *m_top;

    46     QGraphicsWidget *m_top;

    45     QGraphicsWidget *m_window;

    47     QGraphicsWidget *m_window;