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Description
Describe the issue
In both JupyterLab and old Notebook MultiCursor not only is blinking when is bing moved, but also completely disappears when mouse stops motion. Same code works fine in QT.
Documentation example may be used for demonstration:
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.widgets import MultiCursor
t = np.arange(0.0, 2.0, 0.01)
s1 = np.sin(2*np.pi*t)
s2 = np.sin(4*np.pi*t)
fig, (ax1, ax2) = plt.subplots(2, sharex=True)
ax1.plot(t, s1)
ax2.plot(t, s2)
multi = MultiCursor(fig.canvas, (ax1, ax2), color='r', lw=1)
plt.show()Versions
3.8.3 | packaged by conda-forge | (default, Jun 1 2020, 17:43:00)
[GCC 7.5.0]
ipympl version: 0.6.3
jupyter core : 4.7.1
jupyter-notebook : 6.2.0
qtconsole : 5.0.2
ipython : 7.20.0
ipykernel : 5.3.4
jupyter client : 6.1.7
jupyter lab : 3.0.7
nbconvert : 6.0.7
ipywidgets : 7.6.3
nbformat : 5.1.2
traitlets : 5.0.5
Config option `kernel_spec_manager_class` not recognized by `ListNBExtensionsApp`.
Known nbextensions:
config dir: /home/ilyap/.jupyter/nbconfig
notebook section
limit_output/main disabled
table_beautifier/main disabled
jupyter-js-widgets/extension enabled
- Validating: OK
qtconsole/qtconsole disabled
hinterland/hinterland disabled
snippets_menu/main disabled
jupyter-datawidgets/extension enabled
- Validating: OK
collapsible_headings/main disabled
code_font_size/code_font_size disabled
addbefore/main disabled
config dir: /home/ilyap/anaconda3/etc/jupyter/nbconfig
notebook section
bqplot/extension enabled
- Validating: OK
ipyvolume/extension enabled
- Validating: OK
jupyter-webrtc/extension enabled
- Validating: OK
jupyter-datawidgets/extension enabled
- Validating: OK
jupyter-matplotlib/extension enabled
- Validating: OK
jupyter-threejs/extension enabled
- Validating: OK
k3d/extension enabled
- Validating: OK
jupyter-js-widgets/extension enabled
- Validating: OK
qgrid/extension enabled
- Validating: OK
hide_code/hide_code enabled
- Validating: OK
Config option `kernel_spec_manager_class` not recognized by `ListLabExtensionsApp`.
[W 2021-03-01 14:01:32.364 LabApp] Config option `kernel_spec_manager_class` not recognized by `LabApp`.
JupyterLab v3.0.7
/home/ilyap/anaconda3/share/jupyter/labextensions
jupyter-matplotlib v0.8.3 enabled OK
bqplot v0.5.21 enabled OK
jupyterlab-datawidgets v7.0.0 enabled OK
@jupyter-widgets/jupyterlab-manager v3.0.0 enabled OK (python, jupyterlab_widgets)
Other labextensions (built into JupyterLab)
app dir: /home/ilyap/anaconda3/share/jupyter/lab
@arbennett/base16-one-dark v0.1.5 enabled OK
jupyterlab_hidecode v0.1.4 enabled OK
Uninstalled core extensions:
@aquirdturtle/collapsible_headings
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