[Bugs] #4419 sugar UNSP: Bottom-frame icons (Network, Battery, Sound etc.) not working on XO-4 (build 28), in ebook-portrait mode

[Sugar Labs Bugs]

#4419: Bottom-frame icons (Network, Battery,Sound etc.) not working on XO-4 (build
28), in ebook-portrait mode
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    Reporter:  ajay_garg                  |          Owner:  erikos     
        Type:  defect                     |         Status:  new        
    Priority:  Unspecified by Maintainer  |      Milestone:  0.98       
   Component:  sugar                      |        Version:  0.98.x     
    Severity:  Unspecified                |       Keywords:             
Distribution:  Fedora                     |   Status_field:  Unconfirmed
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 a)
 Ensure that build 28 is on XO-4.

 b)
 Ensure that XO-4 is in ebook-mode.

 c)
 Rotate the screen, to bring the screen in portrait-model.

 d)
 When any of these icons is clicked, the palette does not show up; instead
 the following stacktrace is seen.

 Traceback (most recent call last):
   File "/usr/lib/python2.7/site-
 packages/sugar3/graphics/palettewindow.py", line 679, in
 _invoker_toggle_state_cb
     self.popup(immediate=True, state=self.SECONDARY)
   File "/usr/lib/python2.7/site-packages/sugar3/graphics/palette.py", line
 207, in popup
     PaletteWindow.popup(self, immediate)
   File "/usr/lib/python2.7/site-
 packages/sugar3/graphics/palettewindow.py", line 623, in popup
     self._alignment = self._invoker.get_alignment(full_size_request)
   File "/usr/lib/python2.7/site-
 packages/sugar3/graphics/palettewindow.py", line 904, in get_alignment
     ph = best_alignment[0]
 TypeError: 'NoneType' object has no attribute '__getitem__'

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Ticket URL: <http://bugs.sugarlabs.org/ticket/4419>
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