static void frameInnerSize(final Component c, final int w, final int h) {
  swing {
    JFrame frame = getFrame(c);
    if (frame == null) ret;
    Container cp = frame.getContentPane();
    Dimension oldSize = cp.getPreferredSize();
    cp.setPreferredSize(new Dimension(w, h));
    frame.pack();
    cp.setPreferredSize(oldSize);
  }
}

static void frameInnerSize(JFrame frame, Dimension d) {
  frameInnerSize(frame, d.width, d.height);
}

static JFrame frameInnerSize(Pt p, JFrame frame) {
  frameInnerSize(frame, p.x, p.y);
  ret frame;
}