I found the following question that i would like a better answer to. Any thoughts?
"As far as I understand DialogBox by default is not reizable (it is not even implemented) in GWT. By resizable I mean clicking on the edge of the DialogBox and dragging it bigger. I've seen some custom resizable panels on the web, but not the DialogBox. I've some ideas on how to make resizable DialogBox, just don't want to re-invent the weel. Maybe someone knows an implementation of resizable DialogBox and can link me to the source code?"