.. only:: html
.. note::
:class: sphx-glr-download-link-note
Click :ref:`here ` to download the full example code
.. rst-class:: sphx-glr-example-title
.. _sphx_glr_gallery_event_handling_keypress_demo.py:
=============
Keypress Demo
=============
Show how to connect to keypress events
.. image:: /gallery/event_handling/images/sphx_glr_keypress_demo_001.png
:alt: Press a key
:class: sphx-glr-single-img
.. code-block:: default
import sys
import numpy as np
import matplotlib.pyplot as plt
def on_press(event):
print('press', event.key)
sys.stdout.flush()
if event.key == 'x':
visible = xl.get_visible()
xl.set_visible(not visible)
fig.canvas.draw()
# Fixing random state for reproducibility
np.random.seed(19680801)
fig, ax = plt.subplots()
fig.canvas.mpl_connect('key_press_event', on_press)
ax.plot(np.random.rand(12), np.random.rand(12), 'go')
xl = ax.set_xlabel('easy come, easy go')
ax.set_title('Press a key')
plt.show()
.. _sphx_glr_download_gallery_event_handling_keypress_demo.py:
.. only :: html
.. container:: sphx-glr-footer
:class: sphx-glr-footer-example
.. container:: sphx-glr-download sphx-glr-download-python
:download:`Download Python source code: keypress_demo.py `
.. container:: sphx-glr-download sphx-glr-download-jupyter
:download:`Download Jupyter notebook: keypress_demo.ipynb `
.. only:: html
.. rst-class:: sphx-glr-signature
Keywords: matplotlib code example, codex, python plot, pyplot
`Gallery generated by Sphinx-Gallery
`_