text: #include "aboutdialog.h"
  #include "ui_aboutdialog.h"
  
  AboutDialog::AboutDialog(QWidget *parent) :
      QDialog(parent),
      ui(new Ui::AboutDialog)
  {
      ui->setupUi(this);
  }
  
  AboutDialog::~AboutDialog()
  {
      delete ui;
  }
  
  void AboutDialog::on_pushButton_clicked()
  {
      accept();
  }
  
  void AboutDialog::on_label_linkActivated(const QString &link)
  {
      QDesktopServices::openUrl(QUrl(link));
  }
  