Solving the colour scheme issues properly

[Maksim Orlovich]

> Wouldn't it be confusing to have different hover colours? IMHO the user
> should
> only configure one colour to be used (in derivatives) by all applications
> (and by the default style).

What's the guarantee that a same hover color makes sense for both Window,
Base, and Button color roles?

> I agree mostly, but the focus/hover colour derivatives for
> foreground/background would mainly be a convenience function for
> applications
> that implement their own widgets (e.g. hovered text in khtml, and hovered
> background in Kontact).

KHTML doesn't implement its own widgets.