[PyQt] Extracting QMap<int, QVariant> from a QDataStream

Phil Thompson phil at riverbankcomputing.co.uk
Thu Jul 12 15:55:49 BST 2007

On Wednesday 11 July 2007 9:10 pm, Paul Giannaros wrote:
> I'm trying to receive drops on my widget from a QListWidget. As the Qt4
> documentation is fairly bad regarding what data is stored in the QMimeType
> of a QDropEvent, I've been looking at the source. The data is packed into a
> QDataStream with the following:
> int r, c;
> QMap<int, QVariant> v;
> stream >> r >> c >> v;
> Where r and c are row and column respectively (extracting with a readUInt32
> from my drop event confirms that). I think the QMap maps column to text.
> How do I extract that QMap from the data stream? I imagine it's not going
> to be straightforward as QMap isn't present in the bindings.

Yuck. I can't see how to do this generically. It might need a special utility 
function - unless anybody has a bright idea?


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