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wlr-seat: document seat touch functions

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This commit is contained in:
Tony Crisci 2017-11-12 17:25:10 -05:00
parent 4240096b83
commit 469729d3af
1 changed files with 37 additions and 2 deletions
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39
include/wlr/types/wlr_seat.h
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@ -109,6 +109,7 @@ struct wlr_seat_pointer_state {
struct wl_listener resource_destroy;
};
// TODO: May be useful to be able to simulate keyboard input events
struct wlr_seat_keyboard_state {
struct wlr_seat *seat;
struct wlr_keyboard *keyboard;
@ -370,28 +371,62 @@ void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
*/
void wlr_seat_keyboard_clear_focus(struct wlr_seat *wlr_seat);
// TODO: May be useful to be able to simulate keyboard input events
/**
* Get the active touch point with the given `touch_id`. If the touch point does
* not exist or is no longer active, returns NULL.
*/
struct wlr_touch_point *wlr_seat_touch_get_point(struct wlr_seat *seat,
int32_t touch_id);
/**
* Notify the seat of a touch down on the given surface. Defers to any grab of
* the touch device.
*/
void wlr_seat_touch_notify_down(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy);
/**
* Notify the seat that the touch point given by `touch_id` is up. Defers to any
* grab of the touch device.
*/
void wlr_seat_touch_notify_up(struct wlr_seat *seat, uint32_t time,
int32_t touch_id);
/**
* Notify the seat that the touch point given by `touch_id` has moved. Defers to
* any grab of the touch device.
*/
void wlr_seat_touch_notify_motion(struct wlr_seat *seat, uint32_t time,
int32_t touch_id, double sx, double sy);
/**
* Send a touch down event to the client of the given surface. All future touch
* events for this point will go to this surface. If the touch down is valid,
* this will add a new touch point with the given `touch_id`. The touch down may
* not be valid if the surface seat client does not accept touch input.
* Coordinates are surface-local. Compositors should use
* `wlr_seat_touch_notify_down()` to respect any grabs of the touch device.
*/
void wlr_seat_touch_send_down(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy);
/**
* Send a touch up event for the touch point given by the `touch_id`. The event
* will go to the client for the surface given in the cooresponding touch down
* event. This will remove the touch point. Compositors should use
* `wlr_seat_touch_notify_up()` to respect any grabs of the touch device.
*/
void wlr_seat_touch_send_up(struct wlr_seat *seat, uint32_t time,
int32_t touch_id);
/**
* Send a touch motion event for the touch point given by the `touch_id`. The
* event will go to the cleint for the surface given in the corresponding touch
* down event. Compositors should use `wlr_seat_touch_notify_motion()` to
* respect any grabs of the touch device.
*/
void wlr_seat_touch_send_motion(struct wlr_seat *seat, uint32_t time,
int32_t touch_id, double sx, double sy);