is it possible to have a widget act as insensitive but look as it is sensitive?

[Yiannis <odysseus lost gmail com>]

Hi,

is it possible to have a widget (a toggle button in particular) act as
insensitive but look as it is sensitive. More specific is it possible to
have a toggle button act as insensitive once activated but look sensitive,
ie without the grey shade?

Cheers.

--
-- Yiannis