text: #ifndef WIDGET_H
  #define WIDGET_H
  
  #include <QWidget>
  
  namespace Ui {
  class Widget;
  }
  
  class Widget : public QWidget
  {
      Q_OBJECT
  
  public:
      explicit Widget(QWidget *parent = nullptr);
      ~Widget();
  
  private:
      Ui::Widget *ui;
  };
  
  #endif // WIDGET_H
  