On Tue, 24 Mar 2009 11:44:41 +1000, Scott Ballard sc...@scottballard.net
wrote:
Hi,
I'm trying to put together a QTreeView using the Model/View programming
but using either the Python Object class or QObject class as the data.
It seems that neither can be passed around as MIME/QDataStream data for
the drag and drop functionality. This looks the be a limitation of the
PyQt implementation and not of Qt itself. Would be great if the
documentation explicitly mentioned that they didn't implement
Q_DECLARE_METATYPE() functionality under QMetaType instead having dead
links to the method.
The current implementation seems to only support a small subset of PyQt
classes (QStringList and a couple others) These are no good for handling
objects with a lot of custom attributes.
I'm wondering if anyone has successfully done this before and what the
trick is? Do you have any example code? There was mention of supporting
arbitrary Python objects and QDataStream in the PyQt roadmap but no
mention of when it might be completed. I understand that it won't be
included in PyQT 4.5.
I really hope that I am overlooking something as my application hinges
around this. The model/view programming seems great for simple stuff but
falls apart quickly for more high level uses. Someone must have figured
this out before!?
The following may help...
https://svn.enthought.com/enthought/browser/TraitsBackendQt/trunk/enthought/traits/ui/qt4/clipboard.py
...which shows how to define a MIME type for a Python object and put it on
the clipboard.
Phil
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