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ui: add the infrastructure to support MT events
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>
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@ -8,9 +8,12 @@
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#define INPUT_EVENT_MASK_BTN (1<<INPUT_EVENT_KIND_BTN)
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#define INPUT_EVENT_MASK_REL (1<<INPUT_EVENT_KIND_REL)
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#define INPUT_EVENT_MASK_ABS (1<<INPUT_EVENT_KIND_ABS)
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#define INPUT_EVENT_MASK_MTT (1<<INPUT_EVENT_KIND_MTT)
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#define INPUT_EVENT_ABS_MIN 0x0000
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#define INPUT_EVENT_ABS_MAX 0x7FFF
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#define INPUT_EVENT_SLOTS_MIN 0x0
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#define INPUT_EVENT_SLOTS_MAX 0xa
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typedef struct QemuInputHandler QemuInputHandler;
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typedef struct QemuInputHandlerState QemuInputHandlerState;
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68
qapi/ui.json
68
qapi/ui.json
@ -1055,11 +1055,13 @@
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#
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# @extra: rear side button of a 5-button mouse (since 2.9)
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#
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# @touch: screen contact on a multi-touch device (since 8.1)
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#
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# Since: 2.0
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##
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{ 'enum' : 'InputButton',
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'data' : [ 'left', 'middle', 'right', 'wheel-up', 'wheel-down', 'side',
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'extra', 'wheel-left', 'wheel-right' ] }
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'extra', 'wheel-left', 'wheel-right', 'touch' ] }
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##
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# @InputAxis:
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@ -1071,6 +1073,17 @@
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{ 'enum' : 'InputAxis',
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'data' : [ 'x', 'y' ] }
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##
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# @InputMultiTouchType:
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#
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# Type of a multi-touch event.
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#
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# Since: 8.1
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##
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{ 'enum' : 'InputMultiTouchType',
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'data' : [ 'begin', 'update', 'end', 'cancel', 'data' ] }
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##
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# @InputKeyEvent:
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#
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@ -1117,13 +1130,46 @@
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'data' : { 'axis' : 'InputAxis',
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'value' : 'int' } }
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##
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# @InputMultiTouchEvent:
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#
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# MultiTouch input event.
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#
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# @slot: Which slot has generated the event.
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#
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# @tracking-id: ID to correlate this event with previously generated
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# events.
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#
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# @axis: Which axis is referenced by @value.
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#
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# @value: Contact position.
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#
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# Since: 8.1
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##
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{ 'struct' : 'InputMultiTouchEvent',
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'data' : { 'type' : 'InputMultiTouchType',
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'slot' : 'int',
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'tracking-id': 'int',
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'axis' : 'InputAxis',
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'value' : 'int' } }
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##
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# @InputEventKind:
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#
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# @key: a keyboard input event
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#
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# @btn: a pointer button input event
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#
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# @rel: a relative pointer motion input event
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#
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# @abs: an absolute pointer motion input event
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#
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# @mtt: a multi-touch input event
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#
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# Since: 2.0
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##
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{ 'enum': 'InputEventKind',
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'data': [ 'key', 'btn', 'rel', 'abs' ] }
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'data': [ 'key', 'btn', 'rel', 'abs', 'mtt' ] }
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##
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# @InputKeyEventWrapper:
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@ -1149,17 +1195,20 @@
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{ 'struct': 'InputMoveEventWrapper',
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'data': { 'data': 'InputMoveEvent' } }
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##
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# @InputMultiTouchEventWrapper:
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#
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# Since: 8.1
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##
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{ 'struct': 'InputMultiTouchEventWrapper',
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'data': { 'data': 'InputMultiTouchEvent' } }
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##
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# @InputEvent:
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#
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# Input event union.
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#
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# @type: the input type, one of:
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#
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# - 'key': Input event of Keyboard
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# - 'btn': Input event of pointer buttons
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# - 'rel': Input event of relative pointer motion
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# - 'abs': Input event of absolute pointer motion
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# @type: the type of input event
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#
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# Since: 2.0
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##
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@ -1169,7 +1218,8 @@
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'data' : { 'key' : 'InputKeyEventWrapper',
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'btn' : 'InputBtnEventWrapper',
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'rel' : 'InputMoveEventWrapper',
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'abs' : 'InputMoveEventWrapper' } }
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'abs' : 'InputMoveEventWrapper',
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'mtt' : 'InputMultiTouchEventWrapper' } }
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##
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# @input-send-event:
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@ -22,6 +22,7 @@ void replay_save_input_event(InputEvent *evt)
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InputKeyEvent *key;
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InputBtnEvent *btn;
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InputMoveEvent *move;
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InputMultiTouchEvent *mtt;
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replay_put_dword(evt->type);
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switch (evt->type) {
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@ -58,6 +59,14 @@ void replay_save_input_event(InputEvent *evt)
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replay_put_dword(move->axis);
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replay_put_qword(move->value);
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break;
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case INPUT_EVENT_KIND_MTT:
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mtt = evt->u.mtt.data;
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replay_put_dword(mtt->type);
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replay_put_qword(mtt->slot);
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replay_put_qword(mtt->tracking_id);
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replay_put_dword(mtt->axis);
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replay_put_qword(mtt->value);
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break;
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case INPUT_EVENT_KIND__MAX:
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/* keep gcc happy */
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break;
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@ -73,6 +82,7 @@ InputEvent *replay_read_input_event(void)
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InputBtnEvent btn;
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InputMoveEvent rel;
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InputMoveEvent abs;
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InputMultiTouchEvent mtt;
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evt.type = replay_get_dword();
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switch (evt.type) {
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@ -109,6 +119,14 @@ InputEvent *replay_read_input_event(void)
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evt.u.abs.data->axis = (InputAxis)replay_get_dword();
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evt.u.abs.data->value = replay_get_qword();
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break;
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case INPUT_EVENT_KIND_MTT:
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evt.u.mtt.data = &mtt;
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evt.u.mtt.data->type = (InputMultiTouchType)replay_get_dword();
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evt.u.mtt.data->slot = replay_get_qword();
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evt.u.mtt.data->tracking_id = replay_get_qword();
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evt.u.mtt.data->axis = (InputAxis)replay_get_dword();
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evt.u.mtt.data->value = replay_get_qword();
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break;
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case INPUT_EVENT_KIND__MAX:
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/* keep gcc happy */
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break;
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@ -212,6 +212,7 @@ static void qemu_input_event_trace(QemuConsole *src, InputEvent *evt)
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InputKeyEvent *key;
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InputBtnEvent *btn;
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InputMoveEvent *move;
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InputMultiTouchEvent *mtt;
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if (src) {
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idx = qemu_console_get_index(src);
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@ -250,6 +251,11 @@ static void qemu_input_event_trace(QemuConsole *src, InputEvent *evt)
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name = InputAxis_str(move->axis);
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trace_input_event_abs(idx, name, move->value);
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break;
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case INPUT_EVENT_KIND_MTT:
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mtt = evt->u.mtt.data;
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name = InputAxis_str(mtt->axis);
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trace_input_event_mtt(idx, name, mtt->value);
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break;
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case INPUT_EVENT_KIND__MAX:
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/* keep gcc happy */
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break;
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@ -90,6 +90,7 @@ input_event_key_qcode(int conidx, const char *qcode, bool down) "con %d, key qco
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input_event_btn(int conidx, const char *btn, bool down) "con %d, button %s, down %d"
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input_event_rel(int conidx, const char *axis, int value) "con %d, axis %s, value %d"
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input_event_abs(int conidx, const char *axis, int value) "con %d, axis %s, value 0x%x"
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input_event_mtt(int conidx, const char *axis, int value) "con %d, axis %s, value 0x%x"
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input_event_sync(void) ""
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input_mouse_mode(int absolute) "absolute %d"
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