c->bw = c->fw = c->tw = wa->width;
c->fh = c->th = wa->height;
c->bh = bh;
diff = sw - c->fw;
c->fx = random() % (diff ? diff : 1);
c->bw = c->fw = c->tw = wa->width;
c->fh = c->th = wa->height;
c->bh = bh;
diff = sw - c->fw;
c->fx = random() % (diff ? diff : 1);