def on_leave_axes(self, event):
if event.inaxes is self._slider_ax:
# 进入后会创建_slider_cursor,离开后复原
axes = [self.axes[i] for i in self._cursor_axes_index.values()]
#axes = list(reversed(axes)) # 很奇怪，如果没有按顺序给出，显示会有问题。
self._cursor = MultiCursor(self._fig.canvas, axes, color='r', lw=2, horizOn=False, vertOn=True)
event.canvas.draw()
log.debug("on_leave_axes")
def on_enter_axes(self, event):
#event.inaxes.patch.set_facecolor('yellow')
# 只有当前axes会闪烁。
if event.inaxes is self._slider_ax: #or event.inaxes is self._bigger_picture:
self._cursor = None
event.canvas.draw()
log.debug("on_enter_axes")
return
def on_slider(self, val, event):
""" 滑块事件处理。 """
if event.name == "button_press_event":
self._bigger_picture.set_zorder(1000)
self._slider_cursor = MultiCursor(self._fig.canvas,
[self._slider_ax, self._bigger_picture], color='y',
lw=2, horizOn=False, vertOn=True)
log.debug("on_press_event")
elif event.name == "button_release_event":
self._bigger_picture.set_zorder(0)
del self._slider_cursor
log.debug("on_release_event")
elif event.name == "motion_notify_event":
pass
# 遍历axes中的每个indicator，计算显示区间。
self._w_left = int(val)
self._w_right = self._w_left+self._w_width
if self._w_right >= self._data_length:
self._w_right = self._data_length - 1 + self._hoffset
self._w_left = self._w_right - self._w_width
self._update_widgets()
def on_press(self, event):
log.debug("button_press_event")
pass