[Bug 2389] New: max number of buttons not documented

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https://bugs.freedesktop.org/show_bug.cgi?id=2389          
     
           Summary: max number of buttons not documented
           Product: xorg
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Input/Mouse
        AssignedTo: xorg-bugzilla-noise@freedesktop.org
        ReportedBy: julian_cable@yahoo.com


There is a hard limit on the number of buttons supported on a mouse defined in
xf86OSmouse.h by MSE_MAXBUTTONS. I couldn't find anywhere in the user
documentation that there was a limit, or what the limit was. The current limit
is 12, which completeley defeated my XF86Config-4 entry:

        Option      "Buttons" "15"
        Option      "ZAxisMapping" "14 15"

To cope with my 13 button Logitech MediaPlay mouse with scroll wheel.

(also raised on XFREE86 as bug #1537          
     
     
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