public void append(Message msg) {
synchronized (msgs) {
msgs.add(msg);
int y = 0;
for (Message m : msgs) y += m.sz().y;
boolean b = sb.val >= sb.max;
sb.max = y - ih();
if (b) sb.val = sb.max;
}
}
public void resize(Coord sz) {
super.resize(sz);
if (sb != null) {
sb.resize(ih());
sb.move(new Coord(sz.x, 0));
int y = 0;
for (Message m : msgs) y += m.sz().y;
boolean b = sb.val >= sb.max;
sb.max = y - ih();
if (b) sb.val = sb.max;
}
if (cbtn != null) cbtn.c = new Coord(sz.x - cbtn.sz.x - sb.sz.x - 3, 0);
}