46     void setWindowSize(QSize windowSize);

    46     void setWindowSize(QSize windowSize);

    47     void cleanUp();

    47     void cleanUp();

    48     void activate();

    48     void activate();

    49     void setMinMaxZValue(int minZvalue, int maxZvalue);

    49     void setMinMaxZValue(int minZvalue, int maxZvalue);

    50     void connectDecodeRequestToPinchEvent();

    50     void connectDecodeRequestToPinchEvent();

    52     signals:

    57     signals:

    53     void pinchGestureReceived(int index);

    58     void pinchGestureReceived(int index);

    54     void zoomWidgetMovedBackground(int index);

    59     void zoomWidgetMovedBackground(int index);

    55 

    60 

    56     public slots:

    61     public slots:

    68     bool sceneEvent(QEvent *event);

    73     bool sceneEvent(QEvent *event);

    69     bool sceneEventFilter(QGraphicsItem *watched,QEvent *event);

    74     bool sceneEventFilter(QGraphicsItem *watched,QEvent *event);

    70     void timerEvent(QTimerEvent *event);

    75     void timerEvent(QTimerEvent *event);

    71     protected slots:

    76     protected slots:

    72     void dataChanged(QModelIndex startIndex, QModelIndex endIndex);

    77     void dataChanged(QModelIndex startIndex, QModelIndex endIndex);

    74 

    79 

    75     private:

    80     private:

    76     bool executeGestureEvent(QGraphicsItem *source,QGestureEvent *event);

    81     bool executeGestureEvent(QGraphicsItem *source,QGestureEvent *event);

    77     //Responsible for changing the transforms of the widget wrt the ZF and center

    82     //Responsible for changing the transforms of the widget wrt the ZF and center

    78 	//Also adjusts the ZF, center and final size so as to respect the boundaries

    83 	//Also adjusts the ZF, center and final size so as to respect the boundaries