kde, mouse accesibility and contrast

[picarica]

soo i only used plasma on gentoo i never would like to enable some feature somehow, i saw somebody had shake to enlarge cursor, would like to enable it cuz my desktop is busy but do i need some dependencie? i dont see it in accesibility options, i even merge kde accesebility meta package.

and also i red this blog post and is there some widget or something to control my monitors brightness? i have basic delll P2422HE monitors would i be able control that? i odnt see any setting in brightness and control widget. thank you