Signalslot connection in sequence diagram

Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism

This video will help you to understand how to use the Qt 6 Signals and Slots with C++ It will

signal and slot in qt In signal-slot mechanism, very similar to observer pattern, you connect a signal to a slot, and when that signal is emitted, all slots are

signal and slot The signals and slots mechanism is type safe The signature of a signal must match the signature of the receiving slot