private float getXForVisualColumnInsideFoldRegion(int column) {
    LineLayout layout = myView.getFoldRegionLayout(myFoldRegion);
    for (LineLayout.VisualFragment fragment : layout.getFragmentsInVisualOrder(0)) {
      if (column <= fragment.getEndVisualColumn()) {
        return fragment.visualColumnToX(column);
      }
    }
    return getFoldRegionWidthInPixels();
  }
private float getXForVisualColumnInsideFoldRegion(int column)