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

Giovanni Bajo rasky at develer.com
Thu Jul 12 16:20:34 BST 2007

On 7/12/2007 4:55 PM, Phil Thompson 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?

What is the problem, exactly? Exposing the QMap template to Python?
Giovanni Bajo

More information about the PyQt mailing list