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Peter Hutterer a467ac32cf touchpad: add a TOUCH_HOVERING state 
Some touchpads provide touch information while the finger hovers over the
touchpad, i.e. before BTN_TOUCH. Add a touch state for those touchpads so we
can ignore the touches until they actually start.

The approach is now: instead of BEGIN we mark a new touch as HOVERING.
Use the BTN_TOOL_FINGER, BTN_TOOL_DOUBLETAP information during
tp_process_state() to mark any touches that are hovering as down or ended.

i.e. provided BTN_TOUCH is down: if BTN_TOOL_FINGER is down, one hovering
touch gets marked as down, if DOUBLETAP is down, two touches are marked as
down, etc.

When ending touches, switch them back into HOVERING if the BTN_TOOL_FINGER
is still set, otherwise end them properly.

https://bugs.freedesktop.org/show_bug.cgi?id=87197

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2015-01-16 07:42:47 +10:00
doc doc: move DOTFILE_DIRS to libinput.doxygen.in 2015-01-15 11:48:15 +10:00
include/linux evdev: Add middle button scrolling for trackpoints 2014-09-18 13:29:42 +10:00
m4 Port evdev code to be used as a shared library 2013-11-12 22:37:20 +01:00
src touchpad: add a TOUCH_HOVERING state 2015-01-16 07:42:47 +10:00
test Rename functions for left handed device configurations 2015-01-15 10:17:57 +10:00
tools Rename functions for left handed device configurations 2015-01-15 10:17:57 +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 0.8 2015-01-15 11:48:15 +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.txt doc: include README as mainpage 2014-12-11 12:26:03 +10:00

README.txt 

/*!@mainpage

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/

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

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

*/