[quake3-bugzilla] [Bug 4804] New: 'Dead keys' feature interferes with AltGr's operation

[bugzilla-daemon at icculus.org]

http://bugzilla.icculus.org/show_bug.cgi?id=4804

           Summary: 'Dead keys' feature interferes with AltGr's operation
           Product: ioquake3
           Version: SVN HEAD
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P3
         Component: Misc
        AssignedTo: zakk at icculus.org
        ReportedBy: arxeio at gmail.com
         QAContact: quake3-bugzilla at icculus.org


I'll put the severity barely at 'major' since it directly affects gamers
playing with certain bindings, making it for them a reason to avoid the client
completely.

What basically happens is that the 'dead keys' avoidance feature in
IN_TranslateSDLToQ3Key() is triggered for various combination of AltGr being
kept pressed and another key being then pressed simultaneously.

I suspect it's very related to the fact AltGr is a bizzare key: It doesn't send
a down event and an up event. It sends both a LEFT CTRL and a RIGHT ALT event
(and then again for 'up'). This is system or hardware related since I saw
identical behavior in a non-SDL keyboard testing app: It assumed when AltGR was
pressed that both LEFT CTRL and RIGHT ALT were pressed. 



Anyway, at least a workaround for the reported problem is to comment out the
'dead keys' check completely.

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