private void updateCursorHighlighting(boolean scroll) {
    hideBalloon();

    if (myCursorHighlighter != null) {
      HighlightManager.getInstance(mySearchResults.getProject())
          .removeSegmentHighlighter(mySearchResults.getEditor(), myCursorHighlighter);
      myCursorHighlighter = null;
    }

    final FindResult cursor = mySearchResults.getCursor();
    Editor editor = mySearchResults.getEditor();
    SelectionModel selection = editor.getSelectionModel();
    if (cursor != null) {
      Set<RangeHighlighter> dummy = new HashSet<RangeHighlighter>();
      highlightRange(
          cursor, new TextAttributes(null, null, Color.BLACK, EffectType.ROUNDED_BOX, 0), dummy);
      if (!dummy.isEmpty()) {
        myCursorHighlighter = dummy.iterator().next();
      }

      if (scroll) {
        if (mySearchResults.getFindModel().isGlobal()) {
          FoldingModel foldingModel = editor.getFoldingModel();
          final FoldRegion[] allRegions = editor.getFoldingModel().getAllFoldRegions();

          foldingModel.runBatchFoldingOperation(
              new Runnable() {
                @Override
                public void run() {
                  for (FoldRegion region : allRegions) {
                    if (!region.isValid()) continue;
                    if (cursor.intersects(TextRange.create(region))) {
                      region.setExpanded(true);
                    }
                  }
                }
              });
          selection.setSelection(cursor.getStartOffset(), cursor.getEndOffset());

          editor.getCaretModel().moveToOffset(cursor.getEndOffset());
          editor.getScrollingModel().scrollToCaret(ScrollType.CENTER);
        } else {
          if (!SearchResults.insideVisibleArea(editor, cursor)) {
            LogicalPosition pos = editor.offsetToLogicalPosition(cursor.getStartOffset());
            editor.getScrollingModel().scrollTo(pos, ScrollType.CENTER);
          }
        }
      }
      editor
          .getScrollingModel()
          .runActionOnScrollingFinished(
              new Runnable() {
                @Override
                public void run() {
                  showReplacementPreview();
                }
              });
    }
  }
  /**
   * Emulates pressing <code>Enter</code> at current caret position.
   *
   * @param editor target editor
   * @param project target project
   * @param shifts two-elements array which is expected to be filled with the following info: 1. The
   *     first element holds added lines number; 2. The second element holds added symbols number;
   */
  private static void emulateEnter(
      @NotNull final Editor editor, @NotNull Project project, int[] shifts) {
    final DataContext dataContext = prepareContext(editor.getComponent(), project);
    int caretOffset = editor.getCaretModel().getOffset();
    Document document = editor.getDocument();
    SelectionModel selectionModel = editor.getSelectionModel();
    int startSelectionOffset = 0;
    int endSelectionOffset = 0;
    boolean restoreSelection = selectionModel.hasSelection();
    if (restoreSelection) {
      startSelectionOffset = selectionModel.getSelectionStart();
      endSelectionOffset = selectionModel.getSelectionEnd();
      selectionModel.removeSelection();
    }
    int textLengthBeforeWrap = document.getTextLength();
    int lineCountBeforeWrap = document.getLineCount();

    DataManager.getInstance()
        .saveInDataContext(dataContext, WRAP_LONG_LINE_DURING_FORMATTING_IN_PROGRESS_KEY, true);
    CommandProcessor commandProcessor = CommandProcessor.getInstance();
    try {
      Runnable command =
          new Runnable() {
            @Override
            public void run() {
              EditorActionManager.getInstance()
                  .getActionHandler(IdeActions.ACTION_EDITOR_ENTER)
                  .execute(editor, dataContext);
            }
          };
      if (commandProcessor.getCurrentCommand() == null) {
        commandProcessor.executeCommand(editor.getProject(), command, WRAP_LINE_COMMAND_NAME, null);
      } else {
        command.run();
      }
    } finally {
      DataManager.getInstance()
          .saveInDataContext(dataContext, WRAP_LONG_LINE_DURING_FORMATTING_IN_PROGRESS_KEY, null);
    }
    int symbolsDiff = document.getTextLength() - textLengthBeforeWrap;
    if (restoreSelection) {
      int newSelectionStart = startSelectionOffset;
      int newSelectionEnd = endSelectionOffset;
      if (startSelectionOffset >= caretOffset) {
        newSelectionStart += symbolsDiff;
      }
      if (endSelectionOffset >= caretOffset) {
        newSelectionEnd += symbolsDiff;
      }
      selectionModel.setSelection(newSelectionStart, newSelectionEnd);
    }
    shifts[0] = document.getLineCount() - lineCountBeforeWrap;
    shifts[1] = symbolsDiff;
  }