20 ways to debug Qt signals and slots

A frequent question coming up when programming with PyQt is how to pass extra arguments to slots After all, the signal-slot connection

connect; signal parameters to the lambda

qtech slot Like for waitSignal , each callable has to return True if parameters match, False otherwise Instead of a specific callable, None can be provided, to disable

qt connect signal to slot 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