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Re: [PATCH v2 2/6] ui: add the infrastructure to support MT events
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From: |
Marc-André Lureau |
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Subject: |
Re: [PATCH v2 2/6] ui: add the infrastructure to support MT events |
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Date: |
Fri, 17 Mar 2023 12:03:22 +0400 |
Hi
On Thu, Mar 16, 2023 at 4:07 PM Sergio Lopez <slp@redhat.com> wrote:
>
> Add the required infrastructure to support generating multitouch events.
>
> Signed-off-by: Sergio Lopez <slp@redhat.com>
> ---
> include/ui/input.h | 3 +++
> qapi/ui.json | 45 ++++++++++++++++++++++++++++++++++++++++---
> replay/replay-input.c | 18 +++++++++++++++++
> ui/input.c | 6 ++++++
> ui/trace-events | 1 +
> 5 files changed, 70 insertions(+), 3 deletions(-)
>
> diff --git a/include/ui/input.h b/include/ui/input.h
> index c86219a1c1..2a3dffd417 100644
> --- a/include/ui/input.h
> +++ b/include/ui/input.h
> @@ -8,9 +8,12 @@
> #define INPUT_EVENT_MASK_BTN (1<<INPUT_EVENT_KIND_BTN)
> #define INPUT_EVENT_MASK_REL (1<<INPUT_EVENT_KIND_REL)
> #define INPUT_EVENT_MASK_ABS (1<<INPUT_EVENT_KIND_ABS)
> +#define INPUT_EVENT_MASK_MTT (1<<INPUT_EVENT_KIND_MTT)
>
> #define INPUT_EVENT_ABS_MIN 0x0000
> #define INPUT_EVENT_ABS_MAX 0x7FFF
> +#define INPUT_EVENT_SLOTS_MIN 0x0
> +#define INPUT_EVENT_SLOTS_MAX 0xa
>
> typedef struct QemuInputHandler QemuInputHandler;
> typedef struct QemuInputHandlerState QemuInputHandlerState;
> diff --git a/qapi/ui.json b/qapi/ui.json
> index 98322342f7..dee9c2b5bb 100644
> --- a/qapi/ui.json
> +++ b/qapi/ui.json
> @@ -1014,7 +1014,7 @@
> ##
> { 'enum' : 'InputButton',
> 'data' : [ 'left', 'middle', 'right', 'wheel-up', 'wheel-down', 'side',
> - 'extra', 'wheel-left', 'wheel-right' ] }
> + 'extra', 'wheel-left', 'wheel-right', 'touch' ] }
>
> ##
> # @InputAxis:
> @@ -1026,6 +1026,17 @@
> { 'enum' : 'InputAxis',
> 'data' : [ 'x', 'y' ] }
>
> +##
> +# @InputMultitouchType:
> +#
> +# Type of a multitouch event.
> +#
> +# Since: 8.1
> +##
> +{ 'enum' : 'InputMultitouchType',
> + 'data' : [ 'begin', 'update', 'end', 'cancel', 'data' ] }
> +
> +
> ##
> # @InputKeyEvent:
> #
> @@ -1069,13 +1080,31 @@
> 'data' : { 'axis' : 'InputAxis',
> 'value' : 'int' } }
>
> +##
> +# @InputMultitouchEvent:
> +#
> +# Multitouch input event.
> +#
> +# @axis: Which axis is referenced by @value.
> +# @value: Pointer position. For absolute coordinates the
> +# valid range is 0 -> 0x7ffff
What about documenting @slot and @tracking-id ?
otherwise, lgtm
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> +#
> +# Since: 8.1
> +##
> +{ 'struct' : 'InputMultitouchEvent',
> + 'data' : { 'type' : 'InputMultitouchType',
> + 'slot' : 'int',
> + 'tracking-id': 'int',
> + 'axis' : 'InputAxis',
> + 'value' : 'int' } }
> +
> ##
> # @InputEventKind:
> #
> # Since: 2.0
> ##
> { 'enum': 'InputEventKind',
> - 'data': [ 'key', 'btn', 'rel', 'abs' ] }
> + 'data': [ 'key', 'btn', 'rel', 'abs', 'mtt' ] }
>
> ##
> # @InputKeyEventWrapper:
> @@ -1101,6 +1130,14 @@
> { 'struct': 'InputMoveEventWrapper',
> 'data': { 'data': 'InputMoveEvent' } }
>
> +##
> +# @InputMultitouchEventWrapper:
> +#
> +# Since: 8.1
> +##
> +{ 'struct': 'InputMultitouchEventWrapper',
> + 'data': { 'data': 'InputMultitouchEvent' } }
> +
> ##
> # @InputEvent:
> #
> @@ -1112,6 +1149,7 @@
> # - 'btn': Input event of pointer buttons
> # - 'rel': Input event of relative pointer motion
> # - 'abs': Input event of absolute pointer motion
> +# - 'mtt': Input event of Multitouch
> #
> # Since: 2.0
> ##
> @@ -1121,7 +1159,8 @@
> 'data' : { 'key' : 'InputKeyEventWrapper',
> 'btn' : 'InputBtnEventWrapper',
> 'rel' : 'InputMoveEventWrapper',
> - 'abs' : 'InputMoveEventWrapper' } }
> + 'abs' : 'InputMoveEventWrapper',
> + 'mtt' : 'InputMultitouchEventWrapper' } }
>
> ##
> # @input-send-event:
> diff --git a/replay/replay-input.c b/replay/replay-input.c
> index 1147e3d34e..092f6b5ee9 100644
> --- a/replay/replay-input.c
> +++ b/replay/replay-input.c
> @@ -22,6 +22,7 @@ void replay_save_input_event(InputEvent *evt)
> InputKeyEvent *key;
> InputBtnEvent *btn;
> InputMoveEvent *move;
> + InputMultitouchEvent *mtt;
> replay_put_dword(evt->type);
>
> switch (evt->type) {
> @@ -58,6 +59,14 @@ void replay_save_input_event(InputEvent *evt)
> replay_put_dword(move->axis);
> replay_put_qword(move->value);
> break;
> + case INPUT_EVENT_KIND_MTT:
> + mtt = evt->u.mtt.data;
> + replay_put_dword(mtt->type);
> + replay_put_qword(mtt->slot);
> + replay_put_qword(mtt->tracking_id);
> + replay_put_dword(mtt->axis);
> + replay_put_qword(mtt->value);
> + break;
> case INPUT_EVENT_KIND__MAX:
> /* keep gcc happy */
> break;
> @@ -73,6 +82,7 @@ InputEvent *replay_read_input_event(void)
> InputBtnEvent btn;
> InputMoveEvent rel;
> InputMoveEvent abs;
> + InputMultitouchEvent mtt;
>
> evt.type = replay_get_dword();
> switch (evt.type) {
> @@ -109,6 +119,14 @@ InputEvent *replay_read_input_event(void)
> evt.u.abs.data->axis = (InputAxis)replay_get_dword();
> evt.u.abs.data->value = replay_get_qword();
> break;
> + case INPUT_EVENT_KIND_MTT:
> + evt.u.mtt.data = &mtt;
> + evt.u.mtt.data->type = (InputMultitouchType)replay_get_dword();
> + evt.u.mtt.data->slot = replay_get_qword();
> + evt.u.mtt.data->tracking_id = replay_get_qword();
> + evt.u.mtt.data->axis = (InputAxis)replay_get_dword();
> + evt.u.mtt.data->value = replay_get_qword();
> + break;
> case INPUT_EVENT_KIND__MAX:
> /* keep gcc happy */
> break;
> diff --git a/ui/input.c b/ui/input.c
> index f2d1e7a3a7..f788db20f7 100644
> --- a/ui/input.c
> +++ b/ui/input.c
> @@ -212,6 +212,7 @@ static void qemu_input_event_trace(QemuConsole *src,
> InputEvent *evt)
> InputKeyEvent *key;
> InputBtnEvent *btn;
> InputMoveEvent *move;
> + InputMultitouchEvent *mtt;
>
> if (src) {
> idx = qemu_console_get_index(src);
> @@ -250,6 +251,11 @@ static void qemu_input_event_trace(QemuConsole *src,
> InputEvent *evt)
> name = InputAxis_str(move->axis);
> trace_input_event_abs(idx, name, move->value);
> break;
> + case INPUT_EVENT_KIND_MTT:
> + mtt = evt->u.mtt.data;
> + name = InputAxis_str(mtt->axis);
> + trace_input_event_mtt(idx, name, mtt->value);
> + break;
> case INPUT_EVENT_KIND__MAX:
> /* keep gcc happy */
> break;
> diff --git a/ui/trace-events b/ui/trace-events
> index 977577fbba..6747361745 100644
> --- a/ui/trace-events
> +++ b/ui/trace-events
> @@ -90,6 +90,7 @@ input_event_key_qcode(int conidx, const char *qcode, bool
> down) "con %d, key qco
> input_event_btn(int conidx, const char *btn, bool down) "con %d, button %s,
> down %d"
> input_event_rel(int conidx, const char *axis, int value) "con %d, axis %s,
> value %d"
> input_event_abs(int conidx, const char *axis, int value) "con %d, axis %s,
> value 0x%x"
> +input_event_mtt(int conidx, const char *axis, int value) "con %d, axis %s,
> value 0x%x"
> input_event_sync(void) ""
> input_mouse_mode(int absolute) "absolute %d"
>
> --
> 2.38.1
>
>
--
Marc-André Lureau
- [PATCH v2 0/6] Implement virtio-multitouch and enable GTK3 to use it, Sergio Lopez, 2023/03/16
- [PATCH v2 1/6] virtio-input: generalize virtio_input_key_config(), Sergio Lopez, 2023/03/16
- [PATCH v2 3/6] virtio-input: add a virtio-mulitouch device, Sergio Lopez, 2023/03/16
- [PATCH v2 2/6] ui: add the infrastructure to support MT events, Sergio Lopez, 2023/03/16
- Re: [PATCH v2 2/6] ui: add the infrastructure to support MT events,
Marc-André Lureau <=
- [PATCH v2 4/6] virtio-input-pci: add virtio-multitouch-pci, Sergio Lopez, 2023/03/16
- [PATCH v2 5/6] ui: add helpers for virtio-multitouch events, Sergio Lopez, 2023/03/16
- [PATCH v2 6/6] ui/gtk: enable backend to send multi-touch events, Sergio Lopez, 2023/03/16