sb.setLayoutData(CornerLayoutData.createTopRight());
highlightBar = new HighlightBar(this, viewer, colors);
highlightBar.setLayoutData(CornerLayoutData.createBottomRight());
setLayout(new CornerLayout(viewer.getTextWidget()));
layout(true);
rootComposite.layout(true, true);
bem = new BinaryEntityManager(viewer, sashForm, rootComposite);
}