Examples » Signals and slots Corrade C++ docs

Signals and slots is a language construct introduced in Qt for communication between objects which makes it easy to implement the Observer pattern while

Features · A signal fired anywhere in any class of your code can be received by slots in any class of your code · You can connect as many

signal slot 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

signal and slot 使用Qt的信号和槽（Signals and Slots）机制有以下好处：松耦合：通过信号和槽，对象之间的通信是松耦合的。发送者不需要知道接收者的具体实现细节，