static void dm_setBounds(O module, int x, int y, int w, int h) {
  O stem = dm_getStem(module);
  if (stem == null) ret;
  Component vis = cast call(stem, 'vis);
  JInternalFrame f = getInternalFrame(vis);
  if (f != null)
    setBounds(f, x, y, w, h);
  else
    set(stem, frameRect := quickExport(stem, Rect(x, y, w, h)); // TODO: should flush
}