sS dm_firstQuickSearchModule() {
  QuickSearchPlacement p = optCastAndQuickImport(QuickSearchPlacement, dm_generalMap_get('modulesUnderAIBar));
  if (p == null) null;
  S moduleID = first(p.modules);
  if (moduleID == null || !dm_visible(moduleID)) null;
  Rect r = dm_bounds(moduleID);
  if (r == null/* || r.y != 0*/) null;
  ret moduleID;
}