Signalslot system

Signal ↔ Slot은 객체간의 통신을 위한 기능 QT에서는 이벤트를 처리할 때 관찰자 패턴인 Signal& Slot을 사용한다 객체를 클릭하거나 잡는 등의

The library defines several user-event signals on various widgets, and it is easy and convenient to add signals and slots to widget classes to communicate

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 arguments are not compatible In Qt, we have an alternative to the callback technique: We use signals and slots A signal is emitted when a particular event occurs Qt's