We deprecated QAction::setMenu(QMenu *) in Qt 6.0 because QAction needed
to become part of QtGui, and QMenu is a QtWidgets class. To keep
existing code working, we added a private API operating on QObject *,
and a template overload of setMenu, which allows callers to pass in and
get the object as a QMenu without any change to their code. The
implementation relies on a virtual function in QApplicationPrivate.
This solution might be as good as it gets. Making QAction operate only
on QObject* in the public API breaks exiting widget code, and it is
unlikely that we will come up with a QMenu abstraction that unifies
widgets and Quick UIs without breaking code either.
So, undeprecate the existing solution. If we come up with something
better, we can still deprecate it again in time for removing it in Qt 7.
Pick-to: 6.4 6.3 6.2
Change-Id: I1982b61feb1b1af99f4647e892c5fd74340d9c77
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
8fed0a6aa6