```
QRect crop_rect(int x, int y, int w, int h);
QPixmap desk = qApp->screens().at(0)->grabWindow(
    QDesktopWidget().winId());

   QString format = "jpg";
   QString initialPath = tr("Screenshots") + tr("/Image.") +
           QDateTime::currentDateTime().toString("dd.MM.yyyy" "hh.mm.ss.") + format;

   QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"),
                              initialPath,
                              tr("%1 Files (*.%2);;All Files (*)")
                              .arg(format.toUpper())
                              .arg(format));
   if (!fileName.isEmpty())
       desk.save(fileName, format.toLatin1().constData());