you could use one of those Kiddy cups you will see stuck in the face of innumerable kids in pushchairs, the ones which have a lid with a sort of spout on it. My Daughter bought me a grown up version at great expense to use in the workshop. It is a stainless steel vacuum flask construction with a plastic lid with a small slot in it. I think she bought it in a mountaineering shop.
A cup and saucer, presumably with a spoon is a bad idea. Think of the lose article hazard. You should give up the milk and sugar too. Spill that lot over anything electronic and you have to buy a new one. Pure tea you may be able to wash out. Same goes for Gin and Tonic. Leave out the tonic and lemon.
Mike W.