Category "qobject"

Is Q_INTERFACES macro needed for child classes?

If I have class A that implements an interface (and uses Q_INTERFACES macro), then does child class B : public A also need to use the Q_INTERFACES macro? For ex

PyQt5 QTimer in not working after moving it to a thread

I am currently trying to separate my PyQT5-GUI from my serial communication to prevent a freezing GUI. Therefore, I tried to implement threading. So when I am p