I'm not using Kubuntu anymore, so I can't check the behavior of systemsettings, but if the interface is always single-click, then the mouse cursor should represent it at least (changing from a normal pointer to a hand for example).
I'm not using Kubuntu anymore, so I can't check the behavior of systemsettings, but if the interface is always single-click, then the mouse cursor should represent it at least (changing from a normal pointer to a hand for example).