struct weston_desktop_seat *
weston_desktop_seat_from_seat(struct weston_seat *wseat)
{
struct wl_listener *listener;
struct weston_desktop_seat *seat;
listener = wl_signal_get(&wseat->destroy_signal,
weston_desktop_seat_destroy);
if (listener != NULL)
return wl_container_of(listener, seat, seat_destroy_listener);
seat = zalloc(sizeof(struct weston_desktop_seat));
if (seat == NULL)
return NULL;
seat->seat = wseat;
seat->seat_destroy_listener.notify = weston_desktop_seat_destroy;
wl_signal_add(&wseat->destroy_signal, &seat->seat_destroy_listener);
seat->popup_grab.keyboard.interface =
&weston_desktop_seat_keyboard_popup_grab_interface;
seat->popup_grab.pointer.interface =
&weston_desktop_seat_pointer_popup_grab_interface;
seat->popup_grab.touch.interface =
&weston_desktop_seat_touch_popup_grab_interface;
wl_list_init(&seat->popup_grab.surfaces);
return seat;
}
ShellSeat *ShellSeat::shellSeat(struct weston_seat *seat)
{
struct wl_listener *listener = wl_signal_get(&seat->destroy_signal, ShellSeat::seatDestroyed);
if (!listener) {
return new ShellSeat(seat);
}
return static_cast<Wrapper *>(container_of(listener, Wrapper, seatDestroy))->seat;
}
WL_EXPORT struct wl_listener *
wl_event_loop_get_destroy_listener(struct wl_event_loop *loop,
wl_notify_func_t notify)
{
return wl_signal_get(&loop->destroy_signal, notify);
}
