Qt5 Tutorial Signals and Slots - 2020

Qt Tutorials For Beginners 5 - Qt Signal and slots signal and slot A slot is called when a signal connected to it is emitted Slots are normal C++ functions and can be called normally; their only special feature is that signals signal and slot Sigslot implements the signal-slot construct popular in UI frameworks, making it easy to use the observer pattern or event-based programming The main entry

signal and slot arguments are not compatible It hides an automatic implementation of callbacks registration Adding signalslot handling Your class must inherit from QObject