Resize the label and the line edit for this label.
        
        :param      event | <QResizeEvent>

def resizeEvent(self, event):
        """
        Resize the label and the line edit for this label.
        
        :param      event | <QResizeEvent>
        """
        super(XLabel, self).resizeEvent(event)
        
        if self._lineEdit:
            self._lineEdit.resize(self.size())