!7

module WatchModule > DynPrintLogAndEnabled {
  int interval = 200;
  S moduleID;
  transient BufferedImage lastImage;
  
  start {
    doEvery(interval, r {
      if (!enabled) ret;
      O mod = dm_getModule(moduleID);
      if (mod == null) ret;
      BufferedImage img = dm_moduleScreenShot_noFocus_justContents(mod);
      try {
        if (lastImage != null && !imagesIdentical(img, lastImage))
          printWithMilliseconds("CHANGE!");
      } finally { lastImage = img; }
    });
  }
  
  visualize {
    ret northAndCenterWithMargins(
      dm_moduleSelectorComboBox_justID(dm_fieldLiveValue('moduleID)),
      super.visualize());
  }
}