82 protected:

    82 protected:

    83     void mousePressEvent(QGraphicsSceneMouseEvent *event);

    83     void mousePressEvent(QGraphicsSceneMouseEvent *event);

    84     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

    84     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

    85     void resizeEvent(QGraphicsSceneResizeEvent *event);

    85     void resizeEvent(QGraphicsSceneResizeEvent *event);

    86     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);

    86     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);

    87     void setBackground(const QString& backgroundFrameFilename);

    88     void setBackground(const QString& backgroundFrameFilename);

    88     virtual void changeEvent( QEvent *event );

    89     virtual void changeEvent( QEvent *event );

    89     virtual void updatePrimitives();

    90     virtual void updatePrimitives();

    90     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;

    91     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;

    91     QVariant itemChange(  GraphicsItemChange change, const QVariant & value );

    92     QVariant itemChange(  GraphicsItemChange change, const QVariant & value );