sclass HighlightCaret extends DefaultCaret {
  Highlighter.HighlightPainter unfocusedPainter = new DefaultHighlighter.DefaultHighlightPainter(Color.LIGHT_GRAY);
  Highlighter.HighlightPainter focusedPainter = null; //new DefaultHighlighter.DefaultHighlightPainter(Color.LIGHT_GRAY);
  bool isFocused;

  @Override
  protected Highlighter.HighlightPainter getSelectionPainter() {
    setBlinkRate(500); // otherwise is disabled, stopped
    return isFocused ? (focusedPainter != null ? focusedPainter : super.getSelectionPainter()) : unfocusedPainter;
  }

  @Override
  public void setSelectionVisible(boolean hasFocus) {
    if (hasFocus != isFocused) {
        isFocused = hasFocus;
        super.setSelectionVisible(false);
        super.setSelectionVisible(true);
    }
  }
}