QT SIGNAL SLOT写法好处-QT开发中文网

Examples » Signals and slots Corrade C++ docs signal and slot Define your own class with Qt signals and slots: To provide a class with its own signals and slots, the following applies Rules to be followed: signal and slot in qt 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 slot qt connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(pushButton_Clicked())); With this syntax, the button clicked() signal will be received by MainWindow