It occurred to me that Liam J. Foy wrote in gmane.os.netbsd.devel.kernel:
>
> On 18 Apr 2006, at 15:01, ober wrote:
>
>>
>> http://www.linbsd.org/qnetbased1.png and
>> http://www.linbsd.org/qnetbased2.png are images of my initial work
>> on making a qt based wifi browser.
>
> Are you using the old API or the same code as wiconfig? Also, I think
> if you search the mailing lists there was talk of this being written
> in curses too. I think thats a much better decision than QT :)

If you want to have useful roaming support, I think you'd need to have a
background daemon connecting to whatever network it "knows". I kind of like
that feature from (excusez-moi le mot) Windows XP.