sclass FoundWindow {
  Rect r;
  bool active;
}

sclass XP_FindWindows extends ShootLoop {
  volatile new L<FoundWindow> foundWindows;
  
  void recognize {
    L<Rect> topRight =
      //findImageAll(#1005903, #1005902);
      findImageAll(#1006414, #1006416);
    selections.clear();
    new L<FoundWindow> found;
    for (Rect right : topRight) {
      int y1 = right.y;
      L<Rect> leftActive = findImageAllOnRow(#1006419, y1+1);
      L<Rect> leftInactive = findImageAllOnRow(#1006420, y1+1);
      if (l(leftActive) + l(leftInactive) != 1) {
        print("  Confused! No or multiple left corners for " + right);
        continue;
      }
      bool active = nempty(leftActive);
      int x1 = first(concatLists(leftActive, leftInactive)).x-3;
      //print("  Window title found, probably");
      int y2 = right.y2(); // title only
      
      L<Rect> bottom = concatLists(
        findImageAllOnColumn(#1006421, x1),
        findImageAllOnColumn(#1006422, x1));
      
      if (l(bottom) == 1)
        y2 = first(bottom).y2();
        
      Rect r = pointsRect(x1, y1, right.x2()+4, y2);
      found.add(nu(FoundWindow, +r, +active));
      selections.add(r);
    }
    foundWindows = found;
  }
  
  void printState(long time) {
    done_always(time, n(l(foundWindows), "XP windows") + " found");
  }
}