[Bugs] #1285 UNSP: Visual artefacts on highlighted frame buttons

[SugarLabs Bugs]

#1285: Visual artefacts on highlighted frame buttons
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    Reporter:  alsroot                    |          Owner:  tomeu            
        Type:  defect                     |         Status:  new              
    Priority:  Unspecified by Maintainer  |      Milestone:  0.86             
   Component:  sugar                      |        Version:  Git as of bugdate
    Severity:  Unspecified                |     Resolution:                   
    Keywords:                             |   Distribution:  Unspecified      
Status_field:  Unconfirmed                |  
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Changes (by alsroot):

 * cc: erikos, garycmartin (added)


Comment:

 The problem is, FrameWindow sets set_override_redirect(True), so
 PaletteWindow can't be over FrameWindow.

 So, we need to disable set_override_redirect for FrameWindow or enable it
 for PaletteWindow(which could brake heavy palettes if activity developper
 assumes that palette is a regular window).

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Ticket URL: <http://dev.sugarlabs.org/ticket/1285#comment:1>
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