(self, evt)
| 38 | self.graphicsView.scene().sigMouseMoved.connect(self.onMouseMoved) |
| 39 | |
| 40 | def onMouseMoved(self, evt): |
| 41 | if self.graphicsView.plotItem.vb.mapSceneToView(evt): |
| 42 | point = self.graphicsView.plotItem.vb.mapSceneToView(evt) |
| 43 | self.label.setHtml("<p style='color:white'>横坐标：{0}</p>".format(point.x())) |
| 44 | |
| 45 | |
| 46 | if __name__ == '__main__': |