Callbacks vs signal - slot : rQt5

QPushButton clicked signal not received by main window signal and slot The processing function then calls the callback when appropriate In Qt, there is an alternative to the callback technique: signals and slots A signal is signal and slot As for priority, the slot of the latter signal will be handled when the event loop is returned to the object However, it is impossible to connect two slots

signal slot qt Pour qu'un bouton puisse être utile, il faut connecter le signal clicked() à un slot ayant la même signature Le slot du receveur connecté au signal ;