struct wl_listener fullscreen;

static void fullscreenotify(struct wl_listener *listener, void *data);

	wl_signal_add(&xdg_surface->toplevel->events.request_fullscreen, &c->fullscreen);
	c->fullscreen.notify = fullscreenotify;

void
fullscreenotify(struct wl_listener *listener, void *data) {
	Client *c = wl_container_of(listener, c, fullscreen);
	wlr_xdg_toplevel_set_fullscreen(c->surface.xdg, true);
}