Yeah I thought that was nice too, but everything else was done as Q_PROPERTYs and it looked like that couldn't take the extra param. I like the idea of a tap and drag setting, but I think the slider just looks plain weird if it's not setting a scalar. I bet there's a good idea for an unlike component there though. Maybe one of those graph based controls where the possible option pop out around your finger and you just drag to the one you want.