AxisItem.py 文件源码

def linkToView(self, view):
        """Link this axis to a ViewBox, causing its displayed range to match the visible range of the view."""
        oldView = self.linkedView()
        self._linkedView = weakref.ref(view)
        if self.orientation in ['right', 'left']:
            if oldView is not None:
                oldView.sigYRangeChanged.disconnect(self.linkedViewChanged)
            view.sigYRangeChanged.connect(self.linkedViewChanged)
        else:
            if oldView is not None:
                oldView.sigXRangeChanged.disconnect(self.linkedViewChanged)
            view.sigXRangeChanged.connect(self.linkedViewChanged)

        if oldView is not None:
            oldView.sigResized.disconnect(self.linkedViewChanged)
        view.sigResized.connect(self.linkedViewChanged)