It would help knowing what the problem is, as we don't know what your custom SuggestBox is.
Maybe look into http://samples.gwtproject.org/samples/Showcase/Showcase.html#!CwCustomDataGrid and look how EditTextCell works, and then make a EditSuggestBox.
You received this message because you are subscribed to the Google Groups "GWT Users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to firstname.lastname@example.org.
To post to this group, send email to email@example.com.
Visit this group at https://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.