Re: invisible mouse pointer?

[Jan Djärv]

Eli Zaretskii skrev:
> > Date: Fri, 03 Jul 2009 18:14:43 +0200
> > From: =?ISO-8859-1?Q?Jan_Dj=E4rv?= <address@hidden>
> > CC: address@hidden, address@hidden, address@hidden
> >
> > > Why are we doing this in C, rather than adding the invisible-pointer
> > > option to avoid.el?
> > Because it uses a timer.  The alternative to use a timer is to track mouse 
> > which is heavy in lisp.
>
> But avoid.el already does all this, and works just fine.

It only does it if you enable it.

> > There is no need to add more CPU-consuming thing to Emacs, it already does far 
> > too many task over and over again, which isn't really needed.
>
> Emacs Lisp timers don't consume any CPU cycles.

avoid.el checks point 10 times per second.  Try doing that without using CPU 
cycles.  avoid.el even says itself at the top:

";; Bugs / Warnings / To-Do:
;;
;; - Using this code does slow Emacs down.  "banish" mode shouldn't
;;   be too bad, and on my workstation even "animate" is reasonable.
"


        Jan D.