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doc/user: add a section on natural scrolling

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Just for completeness, turns out we were missing that one.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Peter Hutterer 2023-04-18 13:52:49 +10:00
parent 7073a39ec0
commit 8e34037dcd
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doc/user/scrolling.rst
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@ -150,3 +150,23 @@ See the **libinput_event_pointer_get_axis_source()** for details on the
behavior of each scroll source.
See also http://who-t.blogspot.com.au/2015/03/libinput-scroll-sources.html
.. _natural_scrolling:
------------------------------------------------------------------------------
Natural scrolling vs. traditional scrolling
------------------------------------------------------------------------------
Natural scrolling is the term (probably) coined by Apple for matching
the motion of the scroll device with the direction of the **content**.
In traditional scrolling, moving the wheel down causes the scroll bar
indicators to move down and the content to move up. In natural scrolling,
moving the wheel down causes the content to move down and the scroll bar
indicators to move up. This method of scrolling matches the interaction
with content on touch screens where a movement down also moves the content
down.
libinput supports natural scrolling for all its scroll methods; it can
be enabled with the
**libinput_device_config_scroll_set_natural_scroll_enabled()** function.