[Xorg] why is Option "ZAxisMapping" "4 5" needed for my scrollmouse to work

[Kristian Høgsberg]

Alan Coopersmith wrote:
> I've also wondered that - so much that for the builds I do for Sun
> for our own internal testing, I set it by default.  (Unfortunately,
> it's just in the Sun mouse support code right now - to do it for
> real would be finding the right place in the os-independent mouse
> code, so my patch won't help there.)

It's pretty trivial, we could even consider putting it in 6.8.0:

Index: mouse.c
===================================================================
RCS file: /cvs/xorg/xc/programs/Xserver/hw/xfree86/input/mouse/mouse.c,v
retrieving revision 1.3
diff -u -p -r1.3 mouse.c
--- mouse.c     24 Jul 2004 17:35:39 -0000      1.3
+++ mouse.c     15 Aug 2004 00:06:00 -0000
@@ -527,7 +527,7 @@ MouseCommonOptions(InputInfoPtr pInfo)
         }
      }
 

-    s = xf86SetStrOption(pInfo->options, "ZAxisMapping", NULL);
+    s = xf86SetStrOption(pInfo->options, "ZAxisMapping", "4 5");
      if (s) {
         int b1 = 0, b2 = 0, b3 = 0, b4 = 0;
         char *msg = NULL;


> Jim Gettys wrote:
> 
>> Good question...
>>
>> I've wondered this myself.
>>
>> Is there any reason this can't be the default behavior,
>> and only have to mess around if you don't want scroll behavior?
>>                         - Jim
>>
>> On Sat, 2004-08-14 at 11:29, Kristof Vansant wrote:
>>
>>> Why is Option "ZAxisMapping" "4 5" needed for my scrollmouse to work.
>>> Can't there be some detection for this or just enabled by default?
>>
>>
>>
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> 
> 
>