public boolean showLookup() {
    ApplicationManager.getApplication().assertIsDispatchThread();
    checkValid();
    LOG.assertTrue(!myShown);
    myShown = true;
    myStampShown = System.currentTimeMillis();

    if (ApplicationManager.getApplication().isUnitTestMode()) return true;

    if (!myEditor.getContentComponent().isShowing()) {
      hide();
      return false;
    }

    myAdComponent.showRandomText();

    myUi = new LookupUi(this, myAdComponent, myList, myProject);
    myUi.setCalculating(myCalculating);
    Point p = myUi.calculatePosition().getLocation();
    try {
      HintManagerImpl.getInstanceImpl()
          .showEditorHint(
              this,
              myEditor,
              p,
              HintManager.HIDE_BY_ESCAPE | HintManager.UPDATE_BY_SCROLLING,
              0,
              false,
              HintManagerImpl.createHintHint(myEditor, p, this, HintManager.UNDER)
                  .setAwtTooltip(false));
    } catch (Exception e) {
      LOG.error(e);
    }

    if (!isVisible() || !myList.isShowing()) {
      hide();
      return false;
    }

    DaemonCodeAnalyzer.getInstance(myProject).disableUpdateByTimer(this);

    return true;
  }
 public void setCalculating(final boolean calculating) {
   myCalculating = calculating;
   if (myUi != null) {
     myUi.setCalculating(calculating);
   }
 }