[Bugs] #2413 UNSP: Hovering over the new activity toolbar activity icon so that sub toolbar appears triggers focus_out_event

[Sugar Labs Bugs]

#2413: Hovering over the new activity toolbar activity icon so that sub toolbar
appears triggers focus_out_event
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    Reporter:  garycmartin                |          Owner:  tomeu                      
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  sugar                      |        Version:  Unspecified                
    Severity:  Unspecified                |       Keywords:  new-toolbar focus-out-event
Status_field:  Unconfirmed                |   Distribution:  Unspecified                
   Seeta_dev:                             |  
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Comment(by garycmartin):

 I decided to keep poking at this for Physics and there does seem to be an
 activity level fix. As per a long, long lost email from Tomeu (thanks
 Tomeu, only took me two years to re-investigate and take action). I'm
 connecting a callback to the visibility-notify-event and then testing if
 data.state == gtk.gdk.VISIBILITY_FULLY_OBSCURED. Took me ages to track
 this down, but seems to be working a treat, I'm about to test outside of
 my VM dev environment and onto an XO-1:

 http://git.sugarlabs.org/projects/physics/repos/mainline/commits/6be1dada2fde0e8e06220c9c509338c350123f0d

 Simon: might also be what you want to do in Memorize for freeing up sound
 resources, fixing the event issue at the Sugar level may take some time.

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Ticket URL: <http://bugs.sugarlabs.org/ticket/2413#comment:1>
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