wlr-seat: refactor touch grab interface

This commit is contained in:
Tony Crisci 2017-11-13 19:16:34 -05:00
parent b310fdac82
commit 4eab61f86f
4 changed files with 56 additions and 42 deletions

View file

@ -24,6 +24,22 @@ struct wlr_seat_client {
struct wl_list link; struct wl_list link;
}; };
struct wlr_touch_point {
int32_t touch_id;
struct wlr_surface *surface;
struct wlr_seat_client *client;
double sx, sy;
struct wl_listener surface_destroy;
struct wl_listener resource_destroy;
struct {
struct wl_signal destroy;
} events;
struct wl_list link;
};
struct wlr_seat_pointer_grab; struct wlr_seat_pointer_grab;
struct wlr_pointer_grab_interface { struct wlr_pointer_grab_interface {
@ -52,11 +68,12 @@ struct wlr_keyboard_grab_interface {
struct wlr_seat_touch_grab; struct wlr_seat_touch_grab;
struct wlr_touch_grab_interface { struct wlr_touch_grab_interface {
void (*down)(struct wlr_seat_touch_grab *grab, struct wlr_surface *surface, void (*down)(struct wlr_seat_touch_grab *grab, uint32_t time,
uint32_t time, int32_t touch_id, double sx, double sy); struct wlr_touch_point *point);
void (*up)(struct wlr_seat_touch_grab *grab, uint32_t time, int32_t touch_id); void (*up)(struct wlr_seat_touch_grab *grab, uint32_t time,
void (*motion)(struct wlr_seat_touch_grab *grab, uint32_t time, int32_t struct wlr_touch_point *point);
touch_id, double sx, double sy); void (*motion)(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point);
// XXX this will conflict with the actual touch cancel which is different so // XXX this will conflict with the actual touch cancel which is different so
// we need to rename this // we need to rename this
void (*cancel)(struct wlr_seat_touch_grab *grab); void (*cancel)(struct wlr_seat_touch_grab *grab);
@ -127,18 +144,6 @@ struct wlr_seat_keyboard_state {
struct wlr_seat_keyboard_grab *default_grab; struct wlr_seat_keyboard_grab *default_grab;
}; };
struct wlr_touch_point {
int32_t touch_id;
struct wlr_surface *surface;
struct wlr_seat_client *client;
double sx, sy;
struct wl_listener surface_destroy;
struct wl_listener resource_destroy;
struct wl_list link;
};
struct wlr_seat_touch_state { struct wlr_seat_touch_state {
struct wlr_seat *seat; struct wlr_seat *seat;
struct wl_list touch_points; // wlr_touch_point::link struct wl_list touch_points; // wlr_touch_point::link
@ -414,10 +419,13 @@ void wlr_seat_touch_notify_up(struct wlr_seat *seat, uint32_t time,
/** /**
* Notify the seat that the touch point given by `touch_id` has moved. Defers to * Notify the seat that the touch point given by `touch_id` has moved. Defers to
* any grab of the touch device. * any grab of the touch device. The seat should be notified of touch motion
* even if the surface is not the owner of the touch point for processing by
* grabs.
*/ */
void wlr_seat_touch_notify_motion(struct wlr_seat *seat, uint32_t time, void wlr_seat_touch_notify_motion(struct wlr_seat *seat,
int32_t touch_id, double sx, double sy); struct wlr_surface *surface, 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 * Send a touch down event to the client of the given surface. All future touch
@ -442,7 +450,7 @@ void wlr_seat_touch_send_up(struct wlr_seat *seat, uint32_t time,
/** /**
* Send a touch motion event for the touch point given by the `touch_id`. The * 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 * event will go to the client for the surface given in the corresponding touch
* down event. Compositors should use `wlr_seat_touch_notify_motion()` to * down event. Compositors should use `wlr_seat_touch_notify_motion()` to
* respect any grabs of the touch device. * respect any grabs of the touch device.
*/ */

View file

@ -261,8 +261,8 @@ void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
double sx, sy; double sx, sy;
view_at(desktop, lx, ly, &surface, &sx, &sy); view_at(desktop, lx, ly, &surface, &sx, &sy);
if (surface == point->surface) { if (surface) {
wlr_seat_touch_notify_motion(cursor->seat->seat, event->time_msec, wlr_seat_touch_notify_motion(cursor->seat->seat, surface, event->time_msec,
event->slot, sx, sy); event->slot, sx, sy);
} }
} }

View file

@ -527,15 +527,14 @@ wlr_pointer_grab_interface wlr_data_device_pointer_drag_interface = {
}; };
static void touch_drag_down(struct wlr_seat_touch_grab *grab, static void touch_drag_down(struct wlr_seat_touch_grab *grab,
struct wlr_surface *surface, uint32_t time, struct wlr_touch_point *point) {
uint32_t time, int32_t touch_id, double sx, double sy) {
// eat the event // eat the event
} }
static void touch_drag_up(struct wlr_seat_touch_grab *grab, uint32_t time, static void touch_drag_up(struct wlr_seat_touch_grab *grab, uint32_t time,
int32_t touch_id) { struct wlr_touch_point *point) {
struct wlr_drag *drag = grab->data; struct wlr_drag *drag = grab->data;
if (drag->grab_touch_id != touch_id) { if (drag->grab_touch_id != point->touch_id) {
return; return;
} }
@ -547,11 +546,11 @@ static void touch_drag_up(struct wlr_seat_touch_grab *grab, uint32_t time,
} }
static void touch_drag_motion(struct wlr_seat_touch_grab *grab, uint32_t time, static void touch_drag_motion(struct wlr_seat_touch_grab *grab, uint32_t time,
int32_t touch_id, double sx, double sy) { struct wlr_touch_point *point) {
struct wlr_drag *drag = grab->data; struct wlr_drag *drag = grab->data;
if (drag->focus && drag->focus_client && drag->focus_client->data_device) { if (drag->focus && drag->focus_client && drag->focus_client->data_device) {
wl_data_device_send_motion(drag->focus_client->data_device, time, wl_data_device_send_motion(drag->focus_client->data_device, time,
wl_fixed_from_double(sx), wl_fixed_from_double(sy)); wl_fixed_from_double(point->sx), wl_fixed_from_double(point->sy));
} }
} }

View file

@ -300,20 +300,21 @@ static const struct wlr_keyboard_grab_interface default_keyboard_grab_impl = {
.cancel = default_keyboard_cancel, .cancel = default_keyboard_cancel,
}; };
static void default_touch_down(struct wlr_seat_touch_grab *grab, static void default_touch_down(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx, struct wlr_touch_point *point) {
double sy) { wlr_seat_touch_send_down(grab->seat, point->surface, time, point->touch_id,
wlr_seat_touch_send_down(grab->seat, surface, time, touch_id, sx, sy); point->sx, point->sy);
} }
static void default_touch_up(struct wlr_seat_touch_grab *grab, uint32_t time, static void default_touch_up(struct wlr_seat_touch_grab *grab, uint32_t time,
int32_t touch_id) { struct wlr_touch_point *point) {
wlr_seat_touch_send_up(grab->seat, time, touch_id); wlr_seat_touch_send_up(grab->seat, time, point->touch_id);
} }
static void default_touch_motion(struct wlr_seat_touch_grab *grab, static void default_touch_motion(struct wlr_seat_touch_grab *grab,
uint32_t time, int32_t touch_id, double sx, double sy) { uint32_t time, struct wlr_touch_point *point) {
wlr_seat_touch_send_motion(grab->seat, time, touch_id, sx, sy); wlr_seat_touch_send_motion(grab->seat, time, point->touch_id, point->sx,
point->sy);
} }
static void default_touch_cancel(struct wlr_seat_touch_grab *grab) { static void default_touch_cancel(struct wlr_seat_touch_grab *grab) {
@ -894,6 +895,7 @@ void wlr_seat_touch_end_grab(struct wlr_seat *wlr_seat) {
} }
static void touch_point_destroy(struct wlr_touch_point *point) { static void touch_point_destroy(struct wlr_touch_point *point) {
wl_signal_emit(&point->events.destroy, point);
wl_list_remove(&point->surface_destroy.link); wl_list_remove(&point->surface_destroy.link);
wl_list_remove(&point->resource_destroy.link); wl_list_remove(&point->resource_destroy.link);
wl_list_remove(&point->link); wl_list_remove(&point->link);
@ -936,6 +938,8 @@ static struct wlr_touch_point *touch_point_create(
point->sx = sx; point->sx = sx;
point->sy = sy; point->sy = sy;
wl_signal_init(&point->events.destroy);
wl_signal_add(&surface->events.destroy, &point->surface_destroy); wl_signal_add(&surface->events.destroy, &point->surface_destroy);
point->surface_destroy.notify = handle_touch_point_surface_destroy; point->surface_destroy.notify = handle_touch_point_surface_destroy;
wl_resource_add_destroy_listener(surface->resource, wl_resource_add_destroy_listener(surface->resource,
@ -971,7 +975,8 @@ void wlr_seat_touch_notify_down(struct wlr_seat *seat,
return; return;
} }
grab->interface->down(grab, surface, time, touch_id, sx, sy); grab->interface->down(grab, time, point);
if (wl_list_length(&seat->touch_state.touch_points) == 1) { if (wl_list_length(&seat->touch_state.touch_points) == 1) {
seat->touch_state.grab_serial = wl_display_get_serial(seat->display); seat->touch_state.grab_serial = wl_display_get_serial(seat->display);
seat->touch_state.grab_id = touch_id; seat->touch_state.grab_id = touch_id;
@ -988,12 +993,14 @@ void wlr_seat_touch_notify_up(struct wlr_seat *seat, uint32_t time,
return; return;
} }
grab->interface->up(grab, time, touch_id); grab->interface->up(grab, time, point);
touch_point_destroy(point); touch_point_destroy(point);
} }
void wlr_seat_touch_notify_motion(struct wlr_seat *seat, uint32_t time, void wlr_seat_touch_notify_motion(struct wlr_seat *seat,
int32_t touch_id, double sx, double sy) { struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy) {
clock_gettime(CLOCK_MONOTONIC, &seat->last_event); clock_gettime(CLOCK_MONOTONIC, &seat->last_event);
struct wlr_seat_touch_grab *grab = seat->touch_state.grab; struct wlr_seat_touch_grab *grab = seat->touch_state.grab;
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id); struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
@ -1005,7 +1012,7 @@ void wlr_seat_touch_notify_motion(struct wlr_seat *seat, uint32_t time,
point->sx = sx; point->sx = sx;
point->sy = sy; point->sy = sy;
grab->interface->motion(grab, time, touch_id, sx, sy); grab->interface->motion(grab, time, point);
} }
void wlr_seat_touch_send_down(struct wlr_seat *seat, void wlr_seat_touch_send_down(struct wlr_seat *seat,