It will surprise no one that he is satisfied with having made him move. To his mind, this should help Enjolras learn manners. He could have made some offer to accommodate the situation instead of ignoring him - but it matters nothing now, he has what he wants. The rat brings a sandwich and some water, as well as some paper to draw on. He will even be polite, and eat with one hand only so as not to jerk Enjolras around! Manners.