Transmit extra data with signals in PyQt5

Transmit extra data with signals in PyQt5 qt connect signal to slot with parameter Create a new QSignalMapper object · Connect the triggered slots of the actions to the mapper's map slot · Let the mapper know via setMapping 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

qt connect signal to slot slot will be called with the signals parameters at the right time Connect signal to slot with derived parameter qt connect

qt signal slot example QObject::connect() can use standard string values for Signal and Slot parameters · QObject::connect() can use standard string values for Signal and a lambda for 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