Commits on Jan 26, 2013

1. Merge pull request matplotlib#1678 from tacaswell/qt4_closeevent …

   added QtGui.QMainWindow.closeEvent() to make sure the close event

   

   dmcdougall authored and tacaswell committed Jan 26, 2013
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2. Re-wired signal/slot connections so that the figure in removed from …

   Gcf when it is closed.
   
   In PR matplotlib#1498 the attribute WA_DeleteOnClose was no longer set on the
   QtMainWindow object in QtFigureManager.  The signal connection that
   was being used to remove the figure from Gcf when the window was closed
   was tied to the `destroyed()` signal of QtMainWindow, which is no
   longer being destroyed.  Thus, gca and gcf would return references
   to no-longer visible figures/axes.  _widgetclosed is now called when
   MainWindow emits 'closing()'.

   

   Thomas A Caswell authored and tacaswell committed Jan 26, 2013
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3. PEP8: whitespaces

   

   Thomas A Caswell authored and tacaswell committed Jan 26, 2013
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4. Add figure close test for qt4 backend

   

   dmcdougall authored and tacaswell committed Jan 26, 2013
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5. PEP8 fixes to FigureManagerQT class

   

   tacaswell committed Jan 26, 2013
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6. test for issue matplotlib#1683

   

   tacaswell committed Jan 26, 2013
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7. fixed link rot

   

   tacaswell committed Jan 26, 2013
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8. removed unused import

   

   tacaswell committed Jan 26, 2013
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9. added knownfailureif to test based on if qt4_compat could be imported, …

   as this should hit either PySide or PyQt4, depending on which is
   installed.  (I have faith that the setup code that will make sure that
   if only one of them is installed, it defaults to using that one)

   

   tacaswell committed Jan 26, 2013
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10. added test_backend_qt4 to test list

    

    Thomas A Caswell authored and tacaswell committed Jan 26, 2013
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