#ifndef SIGNALLABEL_H #define SIGNALLABEL_H #include #include #include class SignalLabel : public QLabel { Q_OBJECT public: explicit SignalLabel(QWidget *parent = 0, Qt::WindowFlags f = 0) : QLabel(parent, f) {} virtual ~SignalLabel() = default; signals: void mouseDoubleClick(QMouseEvent *ev); protected: virtual void mouseDoubleClickEvent(QMouseEvent *ev) override { emit this->mouseDoubleClick(ev); } }; #endif // SIGNALLABEL_H