static <A extends JTextComponent> A makeUneditableWithTextColor(A a, Color color) {
  if (a != null) swing {
    a.setEditable(false);
    
    // prevent auto-scrolling when text is changed programmatically
    DefaultCaret caret = cast a.getCaret();
    caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
    
    a.setDisabledTextColor(color);
  }
  ret a;
}

static <A extends JTextComponent> A makeUneditableWithTextColor(Color color, A a) {
  ret makeUneditableWithTextColor(a, color);
}