struct wlr_xwayland_surface *xwayland_surface = data;

	struct wlr_xwayland_surface *xsurface = data;

	c = xwayland_surface->data = ecalloc(1, sizeof(*c));
	c->surface.xwayland = xwayland_surface;
	c->type = xwayland_surface->override_redirect ? X11Unmanaged : X11Managed;

	c = xsurface->data = ecalloc(1, sizeof(*c));
	c->surface.xwayland = xsurface;
	c->type = xsurface->override_redirect ? X11Unmanaged : X11Managed;

	LISTEN(&xwayland_surface->events.map, &c->map, mapnotify);
	LISTEN(&xwayland_surface->events.unmap, &c->unmap, unmapnotify);
	LISTEN(&xwayland_surface->events.request_activate, &c->activate, activatex11);
	LISTEN(&xwayland_surface->events.request_configure, &c->configure,
			configurex11);
	LISTEN(&xwayland_surface->events.set_hints, &c->set_hints, sethints);
	LISTEN(&xwayland_surface->events.set_title, &c->set_title, updatetitle);
	LISTEN(&xwayland_surface->events.destroy, &c->destroy, destroynotify);
	LISTEN(&xwayland_surface->events.request_fullscreen, &c->fullscreen,
			fullscreennotify);

	LISTEN(&xsurface->events.map, &c->map, mapnotify);
	LISTEN(&xsurface->events.unmap, &c->unmap, unmapnotify);
	LISTEN(&xsurface->events.request_activate, &c->activate, activatex11);
	LISTEN(&xsurface->events.request_configure, &c->configure, configurex11);
	LISTEN(&xsurface->events.set_hints, &c->set_hints, sethints);
	LISTEN(&xsurface->events.set_title, &c->set_title, updatetitle);
	LISTEN(&xsurface->events.destroy, &c->destroy, destroynotify);
	LISTEN(&xsurface->events.request_fullscreen, &c->fullscreen, fullscreennotify);