private boolean dispatchMouseEvent(AWTEvent event) {
    if (event.getID() != MouseEvent.MOUSE_PRESSED) {
      return false;
    }

    if (ourShowingStep == null) {
      return false;
    }

    WizardPopup eachParent = ourShowingStep;
    final MouseEvent mouseEvent = ((MouseEvent) event);

    Point point = (Point) mouseEvent.getPoint().clone();
    SwingUtilities.convertPointToScreen(point, mouseEvent.getComponent());

    while (true) {
      JComponent content = eachParent.getContent();
      if (content == null || !content.isShowing()) {
        getActiveRoot().cancel();
        return false;
      }

      if (eachParent.getBounds().contains(point) || !eachParent.canClose()) {
        return false;
      }

      eachParent = eachParent.getParent();
      if (eachParent == null) {
        getActiveRoot().cancel();
        return false;
      }
    }
  }