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doc/user: document that we're only using internal devices for DWT

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2020-12-15 15:46:50 +10:00
parent aec8e0b4ef
commit 306b00a19d
2 changed files with 8 additions and 2 deletions
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5
doc/user/configuration.rst
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@ -135,8 +135,9 @@ Disable while typing
------------------------------------------------------------------------------
DWT is the most generic form of palm detection on touchpad. While the user
is typing the touchpad is disabled, the touchpad is enabled after a timeout.
See :ref:`disable-while-typing` for more info.
is typing on an internal keyboard the touchpad is disabled, the touchpad
is enabled again after a timeout. See :ref:`disable-while-typing` for more
info.
Disable-while-typing can be enabled or disabled, it is enabled by default on
most touchpads.

5
doc/user/palm-detection.rst
View file

@ -157,6 +157,11 @@ Notable behaviors of libinput's disable-while-typing feature:
typing.
- Physical buttons work even while the touchpad is disabled. This includes
:ref:`software-emulated buttons <t440_support>`.
- libinput pairs touchpads and keyboards for the disable-while-typing
feature. In the most common case, the internal touchpad is paired only
with the internal keyboard. Typing on an external keyboard will thus not
disable the touchpad. Some devices require a :ref:`quirk <device-quirks>`
to be correctly paired.
Disable-while-typing can be enabled and disabled by calling
**libinput_device_config_dwt_set_enabled()**.