static Pt translateLocationBetweenComponents(Pt p, Component c1, Component c2) {
  ret p == null ?: toPt(SwingUtilities.convertPoint(c1, toPoint(p), c2));
}

static PtInComponent translateLocationBetweenComponents(PtInComponent p, Component c2) {
  ret PtInComponent(translateLocationBetweenComponents(p.p, p.component, c2), c2);
}