update the slider position
(self, event)
| 154 | |
| 155 | |
| 156 | def on_mouse(self, event): |
| 157 | """update the slider position""" |
| 158 | if self.ignore(event): |
| 159 | return |
| 160 | if event.button != 1: |
| 161 | return |
| 162 | if event.name == 'button_press_event' and event.inaxes == self.ax: |
| 163 | self.drag_active = True |
| 164 | event.canvas.grab_mouse(self.ax) |
| 165 | if not self.drag_active: |
| 166 | return |
| 167 | elif event.name == 'button_press_event' and event.inaxes != self.ax: |
| 168 | self.drag_active = False |
| 169 | event.canvas.release_mouse(self.ax) |
| 170 | return |
| 171 | elif event.name == 'button_release_event' and event.inaxes == self.ax: |
| 172 | self.drag_active = False |
| 173 | event.canvas.release_mouse(self.ax) |
| 174 | self._update_observer(event) |
| 175 | return |
| 176 | self._update(event.xdata) |
| 177 | self._update_observer(event) |
| 178 | # 重绘 |
| 179 | |
| 180 | |
| 181 | def _update(self, val, width=None): |
nothing calls this directly
no test coverage detected