Qt: How to make parent element not intercept child events?

Question

Qt

Generally there are 2 elements:
1 - parent widget
2 - child, for example QLabel.

When you click on 2, widget 1 below it also fires.
How to make only 2 widgets work?
(like something with event filters needs to be done)

Answer 1

doc.qt.io/qt-5/qobject.html#installEventFilter
doc.qt.io/qt-5/qobject.html#eventFilter
there and there are examples