Export QGraphicsWidgetPrivate

In most cases, existing layout-aware classes such as QGraphicsWidget and QGraphicsLayout already provide the functionality you require. However, subclassing these classes will enable you to create both graphical elements that work well with layouts (QGraphicsWidget) or custom layouts (QGraphicsLayout).

i want to implement animation for QGraphicsWidget. 

so i subclass QGraphicsWidget  and override setGeometry;

but i can't use QGraphicsWidgetPrivate ., it's a none export class.