XOR support for mouse cursors

[Marco]

Ben Swartzlander escreveu:
> As far as I can tell, X does not support mouse cursors that invert the 
> pixels underneath them (like Windows mouse cursors). This causes a 
> number of problems. First, it makes it impossible to use a 1-pixel wide 
> "I" style cursor for text editing, because the cursor will completely 
> disappear over a black background (or a white background, if you use a 
> white cursor). The only usable "I" style cursors I've seen are 3 pixels 
> wide, such as a black "I" with a white outline to prevent it from 
> vanishing. This would not be so bad, but then certain applications like 
> rdesktop (and possibly Wine) need to use actual Windows cursors, so they 
> convert the Windows cursors bitmap to a valid X cursor by discarding 
> most of the data, which in the case of the 1-pixel wide "I" cursor is 
> mostly useless.
> 
> A apologize if this issue has been discussed before but I want to know 
> (1) if there are any extensions or options I can use to fix this 
> behavior (2) if not, is there a good reason why X has this limitation 
> and (3) what can I do to fix this? I am a long time Windows and Linux 
> use and as much as I would like to replace my Windows desktop with 
> Linux, the poor mouse cursor support is one issue holding me back. I'm 
> willing to code an extension to X if that's what it takes (and obviously 
> write the patch for rdesktop) but I'd like to know how others have dealt 
> with this problem and if anyone has some suggestions.
> 
> thanks,
> -Ben Swartzlander
> 
Because It is patented?

<http://www.google.com/search?q=XOR+cursor+patent&ie=utf-8&oe=utf-8&aq=t&rls=org.debian:pt-BR:unofficial&client=iceweasel-a>
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-- 
Marco de Freitas,
NBR para a Internet já! Porque meu navegador não é penico.

http://www.softwarelivre.org/news/2472
http://www.w3.org/2003/03/Translations/byLanguage?language=pt-br