
.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/event_handling/keypress_demo.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. meta::
        :keywords: codex

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_gallery_event_handling_keypress_demo.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_gallery_event_handling_keypress_demo.py:


==============
Keypress event
==============

Show how to connect to keypress events.

.. note::
    This example exercises the interactive capabilities of Matplotlib, and this
    will not appear in the static documentation. Please run this code on your
    machine to see the interactivity.

    You can copy and paste individual parts, or download the entire example
    using the link at the bottom of the page.

.. GENERATED FROM PYTHON SOURCE LINES 16-42



.. image-sg:: /gallery/event_handling/images/sphx_glr_keypress_demo_001.png
   :alt: Press a key
   :srcset: /gallery/event_handling/images/sphx_glr_keypress_demo_001.png, /gallery/event_handling/images/sphx_glr_keypress_demo_001_2_00x.png 2.00x
   :class: sphx-glr-single-img





.. code-block:: Python

    import sys

    import matplotlib.pyplot as plt
    import numpy as np


    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 sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: keypress_demo.ipynb <keypress_demo.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: keypress_demo.py <keypress_demo.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: keypress_demo.zip <keypress_demo.zip>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_
