bool ComboBoxEventFilter::eventFilter(QObject *obj, QEvent *event)
    {
        if (event->type() == QEvent::KeyPress) 
        {
            QKeyEvent* keyEvent = static_cast<QKeyEvent *>(event);
            
            int key = keyEvent->key();
            if (key == Qt::Key_Return || key == Qt::Key_Enter)
            {
                QDialog* d = static_cast<QDialog *>(obj->parent());
                d->accept();
                return true;
            }
        }

        return QObject::eventFilter(obj, event);
    }