D25663: Initial support for tablets on Wayland

apol created this revision.
apol added reviewers: Plasma, KWin.
Herald added a project: KWin.
Herald added a subscriber: kwin.
apol requested review of this revision.

REVISION SUMMARY
  This includes support for them on libinput and turns it into fake
  pointer actions.

TEST PLAN
  Been playing around with it, see video.

REPOSITORY
  R108 KWin

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D25663

AFFECTED FILES
  CMakeLists.txt
  autotests/libinput/mock_libinput.cpp
  debug_console.cpp
  debug_console.h
  input.cpp
  input.h
  input_event_spy.cpp
  input_event_spy.h
  libinput/connection.cpp
  libinput/connection.h
  libinput/events.cpp
  libinput/events.h
  pointer_input.cpp
  pointer_input.h
  tablet_input.cpp
  tablet_input.h

To: apol, #plasma, #kwin
Cc: kwin, LeGast00n, The-Feren-OS-Dev, sbergeron, jraleigh, fbampaloukas, GB_2, mkulinski, ragreen, jackyalcine, iodelay, crozbo, bwowk, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, hardening, romangg, jensreuterberg, abetts, sebas, apol, ahiemstra, mart