def sizeHint(self):
        hint = self._size_hint
        if hint.isValid():
            return hint
        hint = super(QDockFrameLayout, self).sizeHint()
        if not hint.isValid():
            hint = QSize(256, 192)
        self._size_hint = hint
        return hint
Get the size hint for the layout.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/docking/q_dock_frame_layout.py/QDockFrameLayout.sizeHint