Re: invisible mouse pointer?

["Jan Djärv" <jan.h.d@swipnet.se>]

Eli Zaretskii skrev:
>> Date: Fri, 03 Jul 2009 18:14:43 +0200
>> From: =?ISO-8859-1?Q?Jan_Dj=E4rv?= <jan.h.d@swipnet.se>
>> CC: fitzsim@fitzsim.org, drew.adams@oracle.com, emacs-devel@gnu.org
>>
>>> 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.