[Bugs] #737 UNSP: sugar shouldn't handle XO keyboard keys directly

[SugarLabs Bugs]

#737: sugar shouldn't handle XO keyboard keys directly
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    Reporter:  pgf                        |          Owner:  tomeu                      
        Type:  enhancement                |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  sugar                      |        Version:  0.84.x                     
    Severity:  Unspecified                |       Keywords:                             
Distribution:  Unspecified                |   Status_field:  Unconfirmed                
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 it seems to me that as sugar grows to be a more general platform-agnositic
 system, its direct hooks into the XO infrastructure shoule be weakened.
 my immediate issue is that my olpc-kbdshim and olpc-powerd packages change
 the mechanisms by which the screen gets a) rotated and b)
 brightened/darkened.  since sugar handles these respective keyboard
 commands directly, there's a conflict.

 currently olpc-kbdshim and olpc-powerd each apply simple patches to
 keyhandler.py when they install.  i'd like to see sugar modified to make
 these patches unnecessary -- either by incorporating the attached patch
 directly, or something similar.

 (if there are other plans to separate the sugar shell from platform-
 specifics like this, please let me know!)

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Ticket URL: <http://dev.sugarlabs.org/ticket/737>
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