I did managed to clean-up my messy code and actually got it working the way I wanted.
I believe my problem was trying to control the btscanner from within the MainWindow.
Currently I have both MainWindow and scanner forms on desktop and it works as expected.
I am trying to understand QDockWidget and see if I can get btscanner to be part of the MainWindow.
As soon as I can manage that I'll be happy camper.
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