@Override
public void draw(int x, int y) {
super.draw(x, y);
int xx = x + bounds.x;
int yy = y + bounds.y;
// drawBox(xx, yy, 0xffff0000);
if (isDirty()) {
layout.doLayout(children, bounds.width, bounds.height);
markClean();
}
for (Widget child : children) {
child.draw(xx, yy);
}
}
