def sizeHint(self):
"""
Get size hint for the menu.
Returns:
QSize: Widget's size hint.
"""
hint = QMenu.sizeHint(self)
if self._max_width > 0:
hint.setWidth(self._max_width)
if self._length > 0:
height = self._length * (self._list.fontMetrics().height() + 2)
height = height + self._label.sizeHint().height()
hint.setHeight(height)
return hint
