Re: [matplotlib-devel] Patch for Qt4 backend for IPython GUI

[Eric F. <ef...@ha...>]

On 08/26/2010 05:13 PM, Brian Granger wrote:
> Hi,
>
> We are in the process of getting our new Qt IPython GUI working with
> matplotlib.  One problem we have found is that the matplotlib qt4
> backend always creates a QApplication.  This is problematic in
> situations where another part of an application has already created a
> QApplication.  The fix is to have matplotlib first see if a
> QApplication already exists and then use that one.  The attached patch
> implements this fix.  If needed, Fernando can help test this, but I
> think the change is minor enough that it should be good to go.

I committed it.

I suspect the most recent changes to ipython may require changes to 
show, but they can wait until things settle down a bit.

Eric

>
> Cheers,
>
> Brian