plotter.py 文件源码

def get_toolbar(self, parent=None) -> QtWidgets.QToolBar:
        """
        Get a Matplotlib Toolbar for the current plot instance, and set toolbar actions (pan/zoom) specific to this plot.
        Parameters
        ----------
        [parent]
            Optional Qt Parent for this object

        Returns
        -------
        QtWidgets.QToolBar : Matplotlib Qt Toolbar used to control this plot instance
        """
        toolbar = NavigationToolbar(self, parent=parent)
        toolbar.actions()[4].triggered.connect(self.toggle_pan)
        toolbar.actions()[5].triggered.connect(self.toggle_zoom)
        return toolbar