!7

static S id;
static ImageSurface is;
static JButton btnNext;
static lblText;

p-noconsole { next(); }

svoid next {
  disableButton(btnNext);
  id = randomImageServerID();
  thread {
    try {
      BufferedImage img = loadImage2_progressBar(id);
      bool first = is == null;
      S name = getSnippetTitle(id);
      is = showImage(is, img, name + " - " + id);
      if (first) {
        addToWindowWithMargin(is, lblText = jcenteredboldlabel(name));
        addToWindow(is, withTopMargin(jcenteredline(focusLater(btnNext = jbutton("Next image", f next)))));
      }
      setText(lblText, name);
      centerPackedFrame(is);
    } finally {
      enableButton(btnNext);
    }
  }
}