I'd try DockLayoutPanel with a HorizontalPanel in the West that holds most of your Widgets, and the final Widget in the Center.
As for how to write it up, I'd do it with UiBinder<http://code.google.com/intl/es/webtoolkit/doc/latest/DevGuideUiBinder.html>and CSS. ~Owen -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.