XtAddCallback(state->game, XmNexposeCallback, expose, state);
XtVaGetValues(state->game, XmNwidth, &state->goal_sz[0],
XmNheight, &state->goal_sz[1],
(char *)NULL);
XtAddCallback(state->game, XmNexposeCallback, expose, state);
XtVaGetValues(state->game, XmNwidth, &state->goal_sz[0],
XmNheight, &state->goal_sz[1],
(char *)NULL);