[Bugs] #3387 sugar-toolkit-gtk3 HIGH: Artifacts in share buttons

[Sugar Labs Bugs]

#3387: Artifacts in share buttons
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    Reporter:  godiard             |          Owner:  erikos           
        Type:  defect              |         Status:  new              
    Priority:  High                |      Milestone:  0.96             
   Component:  sugar-toolkit-gtk3  |        Version:  Git as of bugdate
    Severity:  Major               |       Keywords:  12.1.0           
Distribution:  OLPC                |   Status_field:  Assigned         
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Changes (by erikos):

  * priority:  Unspecified by Maintainer => High
  * version:  Unspecified => Git as of bugdate
  * status_field:  Unconfirmed => Assigned


Comment:

 First part of the issue:

 The white square which can be seen in the sharing palette instead of the
 home view icon is because the background-color for a widget in the active
 state is set to white in the theme by default: http://git.sugarlabs.org
 /sugar-artwork/mainline/blobs/master/gtk3/theme/gtk-widgets.css.em#line123
 The widget is in the active state at that moment. We have to see now if we
 need that gloabl background setting and what uses it, maybe it can be more
 specialized.

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Ticket URL: <http://bugs.sugarlabs.org/ticket/3387#comment:3>
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