Omg... I finally did it (with a lot of help)!
Added a QFileSystemWatcher to my dialog and connected it to a slot which reloads the model.
I'll give the QTableWidget a shot as well. Maybe that's even better. But I needed to figure this one out first because that bothered me for too long now.
Thank you so much d_stranz and anda_skoa!!! Thumbs up for the both of you.
The thread can be marked as solved!
Cheers
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