attributes of Mainwindow from childWindow

How can I make a childWindow access and/or modify an attribute from his MainWindow?

I have a MainWindow that opens different childWindows, dependeing on the pressed button on the MainWindow.

I would like any of the childWindows to be able to modify some attributes of the MainWindow, but I cannot get the good way to access them.


When defining your widget or window (your window is possibly just a QWidget), specify it's parent in the init-Method (just pass the parent-widget).

After that, you could use the parentWdiget-Method or simply set a "link" to the parent-widget in an attribute of the child-window.


You could pass a reference (self) to your childwindow.

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