本篇介绍 Qt5 信号的重载
radioGroup = new QButtonGroup(this); radioGroup->addButton(ui->radioButton1); radioGroup->addButton(ui->radioButton2); radioGroup->setExclusive(true); //old style connect(radioGroup,SIGNAL(buttonToggled(int,bool)),this,SLOT(radioGroupToggled())); //error // connect(radioGroup, // &QButtonGroup::buttonToggled, // this, // &MainWindow::radioGroupToggled // ); //Qt help // connect(radioGroup, // QOverload<QAbstractButton *, bool>::of(&QButtonGroup::buttonToggled), // [=](QAbstractButton *button, bool checked){ // qDebug() << "button is: " << button << " is checked: " << checked; // }); //fix1 // connect(radioGroup, // QOverload<QAbstractButton *, bool>::of(&QButtonGroup::buttonToggled), // this, // &MainWindow::radioGroupToggled // );
延申阅读
- Qt5中使用lambda表达式
https://www.cnblogs.com/yuankaituo/p/5135750.html - https://www.devbean.net/2012/05/cpp11-lambda/