if (!sel || sel->isfullscreen)

	if (!sel || (sel->isfullscreen && !client_has_children(sel)))

	Client *p, *w, *c = wl_container_of(listener, c, map);

	Client *p = NULL;
	Client *w, *c = wl_container_of(listener, c, map);

		if (w != c && w->isfullscreen && m == w->mon && (w->tags & c->tags))

		if (w != c && w != p && w->isfullscreen && m == w->mon && (w->tags & c->tags))

	Client *p = client_get_parent(c);

	wlr_scene_node_reparent(&c->scene->node, layers[c->isfullscreen
			? LyrFS : c->isfloating ? LyrFloat : LyrTile]);

	wlr_scene_node_reparent(&c->scene->node, layers[c->isfullscreen ||
			(p && p->isfullscreen) ? LyrFS
			: c->isfloating ? LyrFloat : LyrTile]);

}
static inline int
client_has_children(Client *c)
{
#ifdef XWAYLAND
	if (client_is_x11(c))
		return !wl_list_empty(&c->surface.xwayland->children);
#endif
	/* surface.xdg->link is never empty because it always contains at least the
	 * surface itself. */
	return wl_list_length(&c->surface.xdg->link) > 1;