QObject Multiple Inheritance

Question

I am trying to use mix in classes for C++/Qt to provide a whole bunch of widgets with a common interface. The interface is defined in such as way so that if it is defined as

Answer 1

Unfortunately inheriting QObject twice will cause problems in moc.

From http://qt-project.org:

If you are using multiple inheritance, moc assumes that the first inherited class is a subclass of QObject. Also, be sure that only the first inherited class is a QObject.

I would suggest using something more like the delegate pattern, or recreate with a HasA not a IsA relationship.