diff --git a/include/wlr/types/wlr_seat.h b/include/wlr/types/wlr_seat.h index 1b912875..949cd419 100644 --- a/include/wlr/types/wlr_seat.h +++ b/include/wlr/types/wlr_seat.h @@ -678,4 +678,9 @@ struct wlr_seat_client *wlr_seat_client_from_resource( struct wlr_seat_client *wlr_seat_client_from_pointer_resource( struct wl_resource *resource); +/** + * Check whether a surface has bound to touch events. + */ +bool wlr_surface_accepts_touch(struct wlr_seat *wlr_seat, struct wlr_surface *surface); + #endif diff --git a/types/seat/wlr_seat_touch.c b/types/seat/wlr_seat_touch.c index b0228976..f0dee5da 100644 --- a/types/seat/wlr_seat_touch.c +++ b/types/seat/wlr_seat_touch.c @@ -403,3 +403,12 @@ bool wlr_seat_validate_touch_grab_serial(struct wlr_seat *seat, "invalid origin surface"); return false; } + +bool wlr_surface_accepts_touch(struct wlr_seat *wlr_seat, struct wlr_surface *surface) { + struct wl_client *client = wl_resource_get_client(surface->resource); + struct wlr_seat_client *seat_client = wlr_seat_client_for_wl_client(wlr_seat, client); + if (!seat_client) { + return false; + } + return !wl_list_empty(&seat_client->touches); +}