[news.eclipse.platform.swt] Text field that allows only currency entry

[shorten5273 <shorten5273@xxxxxxxxxxx>]

I'm a new SWT / Eclipse user and I'm looking for a simple way of 
creating a text entry field into which a user may enter only a dollar 
amount ($46.78 for instance). I am not concerned at this point in 
internationalization as this is an in-house project and will not need to 
be used in non-dollar countries. My ideal widget would only allow a user 
to enter numeric digits and $,.
but having the widget perform some type of validation after an entire 
entry has been made would also work.

Any hints /help would be appreciated.

rs