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Peter Hutterer 8fa5d0bf51 touchpad: disable tapping for fingers exceeding the timeout/motion threshold
The current code triggers multi-finger tapping even if the finger released was
previously held on the touchpad for a while. For an event sequence of:
1. first finger down
2. first finger move past threshold/wait past timeout
3. second finger down
4. first finger up

The second finger initiates the two-finger tap state, but the button event is
sent when the first finger releases - despite that finger not meeting the
usual tap constraints. This sequence can happen whenever a user swaps fingers.

Add the finger state to the actual touchpoints and update them whenever the
constrains are broken. Then, discard button events if the respective touch
did not meet the conditions.

http://bugs.freedesktop.org/76760

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
2014-07-02 08:12:37 +10:00
doc touchpad: disable tapping for fingers exceeding the timeout/motion threshold 2014-07-02 08:12:37 +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 touchpad: disable tapping for fingers exceeding the timeout/motion threshold 2014-07-02 08:12:37 +10:00
test touchpad: disable tapping for fingers exceeding the timeout/motion threshold 2014-07-02 08:12:37 +10:00
tools Merge branch 'master' of git+ssh://git.freedesktop.org/git/wayland/libinput 2014-06-25 13:37:02 +10:00
.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 configure.ac: libinput 0.4 2014-06-25 13:37:59 +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

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/