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wlr-touch: make dnd work

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master
Tony Crisci 7 years ago
parent 4eab61f86f
commit a337e95505
5 changed files with 115 additions and 7 deletions
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1
include/wlr/types/wlr_data_device.h
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@ -71,6 +71,7 @@ struct wlr_drag {
bool cancelling;
int32_t grab_touch_id;
struct wl_listener point_destroy;
struct wl_listener icon_destroy;
struct wl_listener source_destroy;
struct wl_listener seat_client_unbound;

22
include/wlr/types/wlr_seat.h
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@ -28,9 +28,13 @@ struct wlr_touch_point {
int32_t touch_id;
struct wlr_surface *surface;
struct wlr_seat_client *client;
struct wlr_surface *focus_surface;
struct wlr_seat_client *focus_client;
double sx, sy;
struct wl_listener surface_destroy;
struct wl_listener focus_surface_destroy;
struct wl_listener resource_destroy;
struct {
@ -74,6 +78,8 @@ struct wlr_touch_grab_interface {
struct wlr_touch_point *point);
void (*motion)(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point);
void (*enter)(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
// we need to rename this
void (*cancel)(struct wlr_seat_touch_grab *grab);
@ -423,10 +429,24 @@ void wlr_seat_touch_notify_up(struct wlr_seat *seat, uint32_t time,
* 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,
void wlr_seat_touch_notify_motion(struct wlr_seat *seat, uint32_t time,
int32_t touch_id, double sx, double sy);
/**
* Notify the seat that the touch point given by `touch_id` has entered a new
* surface. The surface is required. To clear focus, use
* `wlr_seat_touch_point_clear_focus()`.
*/
void wlr_seat_touch_point_focus(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy);
/**
* Clear the focused surface for the touch point given by `touch_id`.
*/
void wlr_seat_touch_point_clear_focus(struct wlr_seat *seat, uint32_t time,
int32_t touch_id);
/**
* 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,

7
rootston/cursor.c
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@ -262,8 +262,13 @@ void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
view_at(desktop, lx, ly, &surface, &sx, &sy);
if (surface) {
wlr_seat_touch_notify_motion(cursor->seat->seat, surface, event->time_msec,
wlr_seat_touch_point_focus(cursor->seat->seat, surface,
event->time_msec, event->slot, sx, sy);
wlr_seat_touch_notify_motion(cursor->seat->seat, event->time_msec,
event->slot, sx, sy);
} else {
wlr_seat_touch_point_clear_focus(cursor->seat->seat, event->time_msec,
event->slot);
}
}

7
types/wlr_data_device.c
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@ -554,6 +554,12 @@ static void touch_drag_motion(struct wlr_seat_touch_grab *grab, uint32_t time,
}
}
static void touch_drag_enter(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point) {
struct wlr_drag *drag = grab->data;
wlr_drag_set_focus(drag, point->focus_surface, point->sx, point->sy);
}
static void touch_drag_cancel(struct wlr_seat_touch_grab *grab) {
struct wlr_drag *drag = grab->data;
wlr_drag_end(drag);
@ -563,6 +569,7 @@ const struct wlr_touch_grab_interface wlr_data_device_touch_drag_interface = {
.down = touch_drag_down,
.up = touch_drag_up,
.motion = touch_drag_motion,
.enter = touch_drag_enter,
.cancel = touch_drag_cancel,
};

85
types/wlr_seat.c
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@ -313,8 +313,15 @@ static void default_touch_up(struct wlr_seat_touch_grab *grab, uint32_t time,
static void default_touch_motion(struct wlr_seat_touch_grab *grab,
uint32_t time, struct wlr_touch_point *point) {
wlr_seat_touch_send_motion(grab->seat, time, point->touch_id, point->sx,
point->sy);
if (!point->focus_surface || point->focus_surface == point->surface) {
wlr_seat_touch_send_motion(grab->seat, time, point->touch_id, point->sx,
point->sy);
}
}
static void default_touch_enter(struct wlr_seat_touch_grab *grab,
uint32_t time, struct wlr_touch_point *point) {
// not handled by default
}
static void default_touch_cancel(struct wlr_seat_touch_grab *grab) {
@ -325,6 +332,7 @@ static const struct wlr_touch_grab_interface default_touch_grab_impl = {
.down = default_touch_down,
.up = default_touch_up,
.motion = default_touch_motion,
.enter = default_touch_enter,
.cancel = default_touch_cancel,
};
@ -998,9 +1006,8 @@ void wlr_seat_touch_notify_up(struct wlr_seat *seat, uint32_t time,
touch_point_destroy(point);
}
void wlr_seat_touch_notify_motion(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy) {
void wlr_seat_touch_notify_motion(struct wlr_seat *seat, uint32_t time,
int32_t touch_id, double sx, double sy) {
clock_gettime(CLOCK_MONOTONIC, &seat->last_event);
struct wlr_seat_touch_grab *grab = seat->touch_state.grab;
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
@ -1015,6 +1022,74 @@ void wlr_seat_touch_notify_motion(struct wlr_seat *seat,
grab->interface->motion(grab, time, point);
}
static void touch_point_clear_focus(struct wlr_touch_point *point) {
if (point->focus_surface) {
wl_list_remove(&point->focus_surface_destroy.link);
point->focus_client = NULL;
point->focus_surface = NULL;
}
}
static void handle_point_focus_destroy(struct wl_listener *listener,
void *data) {
struct wlr_touch_point *point =
wl_container_of(listener, point, focus_surface_destroy);
touch_point_clear_focus(point);
}
static void touch_point_set_focus(struct wlr_touch_point *point,
struct wlr_surface *surface, double sx, double sy) {
if (point->focus_surface == surface) {
return;
}
touch_point_clear_focus(point);
if (surface && surface->resource) {
struct wlr_seat_client *client =
wlr_seat_client_for_wl_client(point->client->seat,
wl_resource_get_client(surface->resource));
if (client && client->touch) {
wl_signal_add(&surface->events.destroy, &point->focus_surface_destroy);
point->focus_surface_destroy.notify = handle_point_focus_destroy;
point->focus_surface = surface;
point->focus_client = client;
point->sx = sx;
point->sy = sy;
}
}
}
void wlr_seat_touch_point_focus(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy) {
assert(surface);
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
if (!point) {
wlr_log(L_ERROR, "got touch point focus for unknown touch point");
return;
}
struct wlr_surface *focus = point->focus_surface;
touch_point_set_focus(point, surface, sx, sy);
if (focus != point->focus_surface) {
struct wlr_seat_touch_grab *grab = seat->touch_state.grab;
grab->interface->enter(grab, time, point);
}
}
void wlr_seat_touch_point_clear_focus(struct wlr_seat *seat, uint32_t time,
int32_t touch_id) {
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
if (!point) {
wlr_log(L_ERROR, "got touch point focus for unknown touch point");
return;
}
touch_point_set_focus(point, NULL, 0, 0);
}
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) {

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