This patchset adds implements passing horizontal scroll
events from the host system to guest systems via ps/2
mouse device.

This is useful during testing horizontal scroll behaviour
in guest operating systems as well as using it in case it
provides any benefits for a particular application.

The patch is based on the previous work by Brad Jorsch done
in 2010 but never merged, see
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=579968

Original submission: https://lists.gnu.org/archive/html/qemu-devel/2010-05/msg00223.html

Changes from V1 to V2:
  - Patch is split into a sequence
  - Value is clamped to 31 for horizontal scroll in the device code

Changes from V2 to V3:
  - Cover letter
  - Removed unnecessary log line

Changes from V3 to V4:
  - Added a link to the original submission by Brad

Dmitry Petrov (5):
  ps2: Initial horizontal scroll support
  ui/cocoa: pass horizontal scroll information to the device code
  ui/gtk: pass horizontal scroll information to the device code
  ui/sdl2: pass horizontal scroll information to the device code
  ui/input-legacy: pass horizontal scroll information

 hw/input/ps2.c    | 57 ++++++++++++++++++++++++++++++++++++++++-------
 qapi/ui.json      |  2 +-
 ui/cocoa.m        | 18 ++++++++++-----
 ui/gtk.c          | 54 ++++++++++++++++++++++++++++++++++----------
 ui/input-legacy.c | 15 +++++++++++++
 ui/sdl2.c         |  5 +++++
 6 files changed, 124 insertions(+), 27 deletions(-)

-- 
2.32.0