How to hide child items when resizing custom QGraphicsItem

[Tigran84]

I have custom QGraphicsItem which contain other QGraphicsItems. When I resizing parent item I want to hide remaining parts which are not inside in my custom item rectangle.
https://imagebin.ca/v/3MnHgq6ldGCM (image example of my custom item ) full project code is in github https://github.com/tigran1984/Qt_example

[Asperamanca]

@Tigran84
Try

setFlag(QGraphicsItem::ItemClipsChildrenToShape, true);

[Tigran84]

@Asperamanca thanks a lot