[Bugs] #4221 sugar NORM: Zooming Views: the XO icon does show the grey hover colour

[Sugar Labs Bugs]

#4221: Zooming Views: the XO icon does show the grey hover colour
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    Reporter:  erikos  |          Owner:  erikos        
        Type:  defect  |         Status:  assigned      
    Priority:  Normal  |      Milestone:  0.98          
   Component:  sugar   |        Version:  Unspecified   
    Severity:  Major   |       Keywords:  regression, r?
Distribution:  OLPC    |   Status_field:  Assigned      
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Comment(by manuq):

 Updated the attached patch.  However it solves another issue: the hover
 feedback (grey rectangle) is displayed at Sugar startup.

 The issue described in this ticket seems related to palettes.  Here is the
 traceback after pressing the zoom level keys, having the mouse pointer
 over the owner icon:

 {{{
 Traceback (most recent call last):
   File "/home/manuq/prog/sugar-build/install/lib/python2.7/site-
 packages/sugar3/graphics/palettewindow.py", line 565, in _mouse_slow_cb
     self._palette_do_popup()
   File "/home/manuq/prog/sugar-build/install/lib/python2.7/site-
 packages/sugar3/graphics/palettewindow.py", line 580, in _palette_do_popup
     self.popup(immediate=immediate)
   File "/home/manuq/prog/sugar-build/install/lib/python2.7/site-
 packages/sugar3/graphics/palette.py", line 206, in popup
     PaletteWindow.popup(self, immediate)
   File "/home/manuq/prog/sugar-build/install/lib/python2.7/site-
 packages/sugar3/graphics/palettewindow.py", line 626, in popup
     self._widget.set_transient_for(self._invoker.get_toplevel())
   File "/home/manuq/prog/sugar-build/install/lib64/python2.7/site-
 packages/gi/types.py", line 47, in function
     return info.invoke(*args, **kwargs)
 TypeError: argument parent: Expected Gtk.Window, but got
 jarabe.desktop.homebox.HomeBox
 }}}

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Ticket URL: <http://bugs.sugarlabs.org/ticket/4221#comment:4>
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