[Qt-interest] Using QGraphicsLayouts inside QGraphicsWidgets

[Schimkowitsch Robert]

> QGraphicsItem from which QGraphicsWidget inherited indirectly is
responsible 
> for deleting any child graphics items. This is analogous to how
QObject 
> derived items delete their children in the rest of Qt.

And this is what confuses me. Because QGraphicsLinearLayout is no
QGraphicsItem subclass. How does it fit into the parent/child hierarchy?
Why should QGraphicsItem (which knows nothing of layouts) care about a
QGraphicsLayoutItem?

Kind regards

Robert Schimkowitsch

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