[Differential] [Request, 1,241 lines] D2978: Implement support for the relative pointer protocol

[graesslin (Martin Gräßlin)]

graesslin created this revision.
graesslin added a reviewer: Plasma.
Restricted Application added a project: Plasma on Wayland.
Restricted Application added a subscriber: plasma-devel.

REVISION SUMMARY
  This change implements the zwp_relative_pointer_v1 protocol which allows
  to send relative motion events.
  
  The (unstable) protocol consists of a RelativePointerManager which
  creates RelativePointers for a given Pointer. This interface currently
  only has one event to report the relative motion. It carries the delta,
  the non-accelerated-delta and a timestamp in microsends granularity.
  
  On the server side the implementation is mostly internal. Once a
  RelativePointerManagerInterface is created one can send relative motion
  events through the SeatInterface. The SeatInterface takes care of
  sending it to the responding RelativePointerInterface. The protocol does
  not restrict the sending of "normal" and relative motion events. Thus it
  can be combined in any way one wants. This allows to have a rather
  simple implementation. A user of the SeatInterface can just start to
  feed the relative motion events (if the information is available) to the
  SeatInterface together with the pointer events.
  
  On client side a new RelativePointerManager and RelativePointer class
  are added. The RelativePointerManager creates the RelativePointer for a
  given Pointer. The event sent to RelativePointer is transformed in a
  normal signal.

REPOSITORY
  rKWAYLAND KWayland

BRANCH
  relative-pointer

REVISION DETAIL
  https://phabricator.kde.org/D2978

AFFECTED FILES
  autotests/client/test_wayland_registry.cpp
  autotests/client/test_wayland_seat.cpp
  src/client/CMakeLists.txt
  src/client/protocols/relative-pointer-unstable-v1.xml
  src/client/registry.cpp
  src/client/registry.h
  src/client/relativepointer.cpp
  src/client/relativepointer.h
  src/server/CMakeLists.txt
  src/server/display.cpp
  src/server/display.h
  src/server/pointer_interface.cpp
  src/server/pointer_interface.h
  src/server/pointer_interface_p.h
  src/server/relativepointer_interface.cpp
  src/server/relativepointer_interface.h
  src/server/relativepointer_interface_p.h
  src/server/relativepointer_interface_v1.cpp
  src/server/seat_interface.cpp
  src/server/seat_interface.h
  src/tools/mapping.txt

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: graesslin, #plasma
Cc: plasma-devel, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas
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