Signal-Slot Implementation — Part 1 by C Burak Ongay

Examples » Signals and slots Corrade C++ docs signal and slot Signals and slots is a language construct introduced in Qt for communication between objects which makes it easy to implement the Observer pattern while signal and slot qt Signals and slots are the backbone of event-driven programming in Qt, offering a flexible and efficient mechanism for inter-object communication

signal slot All classes that inherit from QObject or one of its subclasses, like QWidget can contain signals and slots Signals are emitted by objects when they change