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Stephen Chandler Paul 4e4ff21e31 Sanitize distance and pressure axes before reporting their values 
This commit changes two things with the way distance and pressure axes are
reported:
1. Distance and pressure are made mutually exclusive. When there is a distance
   event and a pressure event and the tool is in contact with the tablet, only
   the pressure change will be reported. When the tool is not in contact and
   both a distance and pressure change are received, only the distance update
   will be received.
2. Bad distance events are not reported to the caller. There is a certain
   distance a tool can be from the tablet where the tablet recongnizes that a
   tool appeared, but the tool doesn't send any useful information to the
   tablet. When this happens, the distance will update to it's minimum or
   maximum value, and no other axis updates will be sent. Since this can give
   a caller the impression that the tool is within a useful proximity of the
   tablet, we filter out any distance events with a value of maximum or minimum
   when the tool is not within useful proximity of the tablet.

Signed-off-by: Stephen Chandler Paul <thatslyude@gmail.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
2014-06-17 17:17:14 -04:00
doc doc: ignore LIBINPUT_ATTRIBUTE_PRINTF in doxygen 2014-06-13 11:48:07 +10:00
include/linux Add our own version of linux/input.h 2014-06-04 09:40:39 +10:00
m4 Port evdev code to be used as a shared library 2013-11-12 22:37:20 +01:00
src Sanitize distance and pressure axes before reporting their values 2014-06-17 17:17:14 -04:00
test Add bitfield helper functions from libdevdev-util.h and some tests 2014-06-16 20:31:03 -04:00
tools tools: handle tablet button events in event-debug 2014-06-17 17:17:14 -04:00
.gitignore Add the framework for a test suite 2014-01-10 14:17:06 +10:00
autogen.sh Port evdev code to be used as a shared library 2013-11-12 22:37:20 +01:00
configure.ac test: silence compiler warning for C++ build test 2014-06-10 20:54:53 +10:00
COPYING test: Test seat wide button and key count helpers 2014-04-23 00:07:40 +02:00
Makefile.am test: automatically run the tests against valgrind for leaks 2014-04-10 11:11:56 +10:00
README Update README 2014-02-26 19:50:37 +01:00

README 

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, the Wayland reference compositor.

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

For more information, visit:
http://www.freedesktop.org/wiki/Software/libinput/