(self, event)
| 113 | self.initMap() |
| 114 | |
| 115 | def wheelEvent(self, event): |
| 116 | # 滑轮事件 |
| 117 | if event.modifiers() & Qt.ControlModifier: |
| 118 | self.scaleView(math.pow(2.0, -event.angleDelta().y() / 240.0)) |
| 119 | return event.accept() |
| 120 | super(GraphicsView, self).wheelEvent(event) |
| 121 | |
| 122 | def scaleView(self, scaleFactor): |
| 123 | factor = self.transform().scale( |