Method selectFolder

core/src/processing/awt/PSurfaceAWT.java:273–277

(String prompt, String callback,
                           File file, Object callbackObject)

  @Override
  public void selectFolder(String prompt, String callback,
                           File file, Object callbackObject) {
    ShimAWT.selectFolder(prompt, callback, file, callbackObject);
  }


  // what needs to happen here?