Has someone a boilerplate to use QCoreApplication::installNativeEventFilter on MacOS?

[QtMyRo]

According to the documentation of QAbstractNativeEventFilter::nativeEventFilter states message can be casted to an EventRef.
EventRef is defined through Objective-C in "AppKit/NSEvent.h".
So I'am wondering how this could be used?

[mrjj]

Hi
The docs have sample.
http://doc.qt.io/qt-5/qabstractnativeeventfilter.html

the cast is
NSEvent *event = static_cast<NSEvent *>(message);

There is also
https://forum.qt.io/topic/23877/solved-obtaining-keyboard-keycode-from-qwidget-macevent-s-eventref-paraneter/2