Set the given window active (property _NET_ACTIVE_WINDOW)

        :param win: the window object

def setActiveWindow(self, win):
        """
        Set the given window active (property _NET_ACTIVE_WINDOW)

        :param win: the window object"""
        self._setProperty('_NET_ACTIVE_WINDOW', [1, X.CurrentTime, win.id],
                          win)