[Bugs] #3895 sugar UNSP: Tabbinghandler not working

[Sugar Labs Bugs]

#3895: Tabbinghandler not working
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    Reporter:  erikos                     |          Owner:  erikos    
        Type:  defect                     |         Status:  new       
    Priority:  Unspecified by Maintainer  |      Milestone:  0.98      
   Component:  sugar                      |        Version:  0.97.x    
    Severity:  Blocker                    |       Keywords:  regression
Distribution:  Unspecified                |   Status_field:  Assigned  
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Comment(by manuq):

 It doesn't seem to be a direct way to get the keyboard device, but we can
 get a list of the master devices that should include it:

 {{{
         display = Gdk.Display.get_default()
         device_manager = display.get_device_manager()
         self._devices = device_manager.list_devices(Gdk.DeviceType.MASTER)
 }}}

 Also we need the pointer device.  There is a direct way for this one, and
 the list of devices includes it.  In my system is the second element:

 {{{
         self._pointer_device = device_manager.get_client_pointer()
         assert self._pointer_device == self._devices[1]
 }}}

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Ticket URL: <http://bugs.sugarlabs.org/ticket/3895#comment:2>
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