text: #ifndef DIYLABEL_H
  #define DIYLABEL_H
  
  #include<QLabel>
  class DiyLabel:public QLabel
  {
      Q_OBJECT
  public:
      DiyLabel(QWidget * parent=nullptr);
  
  protected:
      void enterEvent(QEvent *event) override;
      void mousePressEvent(QMouseEvent *ev) override;
  };
  
  #endif // DIYLABEL_H
  