Get the list of states of the given window (property _NET_WM_STATE).

        :param win: the window object
        :param str: True to get a list of string states instead of int
        :return: list of (int|str)

def getWmState(self, win, str=False):
        """
        Get the list of states of the given window (property _NET_WM_STATE).

        :param win: the window object
        :param str: True to get a list of string states instead of int
        :return: list of (int|str)
        """
        states = self._getProperty('_NET_WM_STATE', win) or []
        if not str:
            return states
        return [self._getAtomName(s) for s in states]