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_OBJECTpublic: explicit MyWidget(QWidget *parent = nullptr);signals: void clicked();protected: virtual void mouseReleaseEv..