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libinput
========

libinput is a library that handles input devices for display servers and other
applications that need to directly deal with input devices.

It provides device detection, device handling, input device event processing
and abstraction so minimize the amount of custom input code the user of
libinput need to provide the common set of functionality that users expect.
Input event processing includes scaling touch coordinates, generating
pointer events from touchpads, pointer acceleration, etc.

libinput originates from
[weston](http://cgit.freedesktop.org/wayland/weston/), the Wayland reference
compositor.

Architecture
------------

libinput is not used directly by applications, rather it is used by the
xf86-input-libinput X.Org driver or wayland compositors. The typical
software stack for a system running Wayland is:

@dotfile libinput-stack-wayland.gv

Where the Wayland compositor may be Weston, mutter, KWin, etc. Note that
Wayland encourages the use of toolkits, so the Wayland client (your
application) does not usually talk directly to the compositor but rather
employs a toolkit (e.g. GTK) to do so.

The simplified software stack for a system running X.Org is:

@dotfile libinput-stack-xorg.gv

Again, on a modern system the application does not usually talk directly to
the X server using Xlib but rather employs a toolkit to do so.

Source code
-----------

The source code of libinput can be found at:
http://cgit.freedesktop.org/wayland/libinput

For a list of current and past releases visit:
http://www.freedesktop.org/wiki/Software/libinput/

Reporting Bugs
--------------

Bugs can be filed in the libinput component of Wayland:
https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=libinput

Where possible, please provide an
[evemu](http://www.freedesktop.org/wiki/Evemu/) recording of the input
device and/or the event sequence in question.

Documentation
-------------

Developer API documentation:
http://wayland.freedesktop.org/libinput/doc/latest/modules.html

High-level documentation about libinput's features:
http://wayland.freedesktop.org/libinput/doc/latest/pages.html

License
-------

libinput is licensed under the MIT license.

> Permission is hereby granted, free of charge, to any person obtaining a
> copy of this software and associated documentation files (the "Software"),
> to deal in the Software without restriction, including without limitation
> the rights to use, copy, modify, merge, publish, distribute, sublicense,
> and/or sell copies of the Software, and to permit persons to whom the
> Software is furnished to do so, subject to the following conditions: [...]

See the [COPYING](http://cgit.freedesktop.org/wayland/libinput/tree/COPYING)
file for the full license information.

*/