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ui: add the infrastructure to support MT events

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Add the required infrastructure to support generating multitouch events.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230526112925.38794-3-slp@redhat.com>
This commit is contained in:
Sergio Lopez 2023-05-26 13:29:21 +02:00 • committed by Marc-André Lureau
parent 944ae6d9f1
commit 2bfb10dff2
5 changed files with 87 additions and 9 deletions
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68
qapi/ui.json
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@ -1055,11 +1055,13 @@
#
# @extra: rear side button of a 5-button mouse (since 2.9)
#
# @touch: screen contact on a multi-touch device (since 8.1)
#
# Since: 2.0
##
{ 'enum' : 'InputButton',
'data' : [ 'left', 'middle', 'right', 'wheel-up', 'wheel-down', 'side',
'extra', 'wheel-left', 'wheel-right' ] }
'extra', 'wheel-left', 'wheel-right', 'touch' ] }
##
# @InputAxis:
@ -1071,6 +1073,17 @@
{ 'enum' : 'InputAxis',
'data' : [ 'x', 'y' ] }
##
# @InputMultiTouchType:
#
# Type of a multi-touch event.
#
# Since: 8.1
##
{ 'enum' : 'InputMultiTouchType',
'data' : [ 'begin', 'update', 'end', 'cancel', 'data' ] }
##
# @InputKeyEvent:
#
@ -1117,13 +1130,46 @@
'data' : { 'axis' : 'InputAxis',
'value' : 'int' } }
##
# @InputMultiTouchEvent:
#
# MultiTouch input event.
#
# @slot: Which slot has generated the event.
#
# @tracking-id: ID to correlate this event with previously generated
# events.
#
# @axis: Which axis is referenced by @value.
#
# @value: Contact position.
#
# Since: 8.1
##
{ 'struct' : 'InputMultiTouchEvent',
'data' : { 'type' : 'InputMultiTouchType',
'slot' : 'int',
'tracking-id': 'int',
'axis' : 'InputAxis',
'value' : 'int' } }
##
# @InputEventKind:
#
# @key: a keyboard input event
#
# @btn: a pointer button input event
#
# @rel: a relative pointer motion input event
#
# @abs: an absolute pointer motion input event
#
# @mtt: a multi-touch input event
#
# Since: 2.0
##
{ 'enum': 'InputEventKind',
'data': [ 'key', 'btn', 'rel', 'abs' ] }
'data': [ 'key', 'btn', 'rel', 'abs', 'mtt' ] }
##
# @InputKeyEventWrapper:
@ -1149,17 +1195,20 @@
{ 'struct': 'InputMoveEventWrapper',
'data': { 'data': 'InputMoveEvent' } }
##
# @InputMultiTouchEventWrapper:
#
# Since: 8.1
##
{ 'struct': 'InputMultiTouchEventWrapper',
'data': { 'data': 'InputMultiTouchEvent' } }
##
# @InputEvent:
#
# Input event union.
#
# @type: the input type, one of:
#
# - 'key': Input event of Keyboard
# - 'btn': Input event of pointer buttons
# - 'rel': Input event of relative pointer motion
# - 'abs': Input event of absolute pointer motion
# @type: the type of input event
#
# Since: 2.0
##
@ -1169,7 +1218,8 @@
'data' : { 'key' : 'InputKeyEventWrapper',
'btn' : 'InputBtnEventWrapper',
'rel' : 'InputMoveEventWrapper',
'abs' : 'InputMoveEventWrapper' } }
'abs' : 'InputMoveEventWrapper',
'mtt' : 'InputMultiTouchEventWrapper' } }
##
# @input-send-event: