> At one point I got the impression that XFree86 didn't support more
> than five buttons.  Is this true?  This would seem to me like an
> arbitrary limit that we should grow past nowadays...

The limitation on core pointer buttons comes from the event definition in the
core X11 protocol:

SETofKEYBUTMASK
       #x0001    Shift
       #x0002    Lock
       #x0004    Control
       #x0008    Mod1
       #x0010    Mod2
       #x0020    Mod3
       #x0040    Mod4
       #x0080    Mod5
       #x0100    Button1
       #x0200    Button2
       #x0400    Button3
       #x0800    Button4
       #x1000    Button5
       #xE000    unused but must be zero

I believe input extension devices do not suffer from this limit, but haven't
verified it.

-- 
        -Alan Coopersmith-      [EMAIL PROTECTED]
         Sun Microsystems, Inc. - Software Systems Group
         Cust. Advocacy & Tech Services: X11 Engineering
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