def __init__(self, manager, parent=None):
        super(QDockFrame, self).__init__(parent)
        self.frame_state = self.FrameState()
        self._manager = manager
Initialize a QDockFrame.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/docking/q_dock_frame.py/QDockFrame.__init__