爱自在的专栏

MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); this->setWindowFlags(Qt::FramelessWindowHint); this->setWindowOpacity(1); this->setAttribute(Qt::WA_Translucent.

1. 在类定义中添加clicked 信号 2. 重写mouseReleaseEvent 函数 #include <QWidget> class MyWidget : public QWidget { Q_OBJECT public: explicit MyWidget(QWidget *parent = nullptr); signals: void clicked(); protected: virtual void mouseReleaseEv..