Signals and slots

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

To use signals and slots for implementing loose coupling, it must be easy to connect signals and slots that only partially match signatures

signal and slot arguments are not compatible Signal ↔ Slot은 객체간의 통신을 위한 기능 QT에서는 이벤트를 처리할 때 관찰자 패턴인 Signal& Slot을 사용한다 객체를 클릭하거나 잡는 등의

signal and slot qt It hides an automatic implementation of callbacks registration Adding signalslot handling Your class must inherit from QObject