[PyQt] Catch a F key press in a QLineEdit

[michael h]

> but didn't find a way of get it from a widget other than the main widget.
>
> Thank you in advance.
> Regards,
> Jorge
>
>
You can implement this on a QLineEdit as well:
http://doc.qt.io/qt-5/qlineedit.html#keyPressEvent

(alternatively if you aren't able to use your own QLineEdit subclass, you
can probably get it done with an event filter where you check if the source
is a QLineEdit, but I wouldn't start there)

mh
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