What do I do if a slot is not invoked?

The signal must be a function declared as a signal in the header The slot function can be any function or functor that can be connected to the signal A

Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time Signals

qtech slot Other similar tries lead to a crash or a non-working connection In the end I just tried to wrap the signal-

qt slot signal Note that Qt slots are fairly public - even if they're private, any signal connected to them can call the slot, including non-friends –