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List:       pykde
Subject:    Re: [PyQt] Construct QVariant from object of user type
From:       "Arve Knudsen" <arve.knudsen () gmail ! com>
Date:       2008-04-16 21:18:26
Message-ID: a0d6258d0804161418w24eda85fo426c0b2c203b2697 () mail ! gmail ! com
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On Wed, Apr 16, 2008 at 11:33 AM, Phil Thompson
<phil@riverbankcomputing.co.uk> wrote:
> On Wednesday 16 April 2008, Arve Knudsen wrote:
>  > Phil, any comment on this?
>  >
>  > Thanks,
>  > Arve
>
>  Unless you can use the ctor that takes a void* I don't see how you can expect
>  to extend the functionality of a C++ class from Python.

How am I supposed to use the QVariant(int typeOrUserType, const void*
copy) constructor from Python? The documentation refers to
sip.voidptr, which I know nothing about, and  to use qVariantFromValue
which isn't defined.

I need to store objects of a custom class in QVariants, with a certain
type code (QVariant::Type). The reason I need to do this is that
QItemEditorFactory is parameterized on QVariant::Type.

Arve

>
>
>
>  > On Mon, Apr 14, 2008 at 10:32 PM, Arve Knudsen <arve.knudsen@gmail.com>
>  wrote:
>  > > On 4/14/08, alteo_gange <romanocaldoni@free.fr> wrote:
>  > >  > Le lundi 14 avril 2008, Arve Knudsen a écrit :
>  > >  > > How do I construct a QVariant of an object of a non-Qt class?
>  > >  >
>  > >  > Hi.
>  > >  >
>  > >  >  >>> from PyQt4.QtCore import *
>  > >  >  >>> from datetime import date
>  > >  >  >>> a=date(1991,12,13)
>  > >  >  >>> b=QVariant(a)
>  > >  >  >>> print b.toDate().toPyDate()
>  > >  >
>  > >  >  1991-12-13
>  > >
>  > >  This works for date just because it maps to QDate.
>  > >
>  > >  Arve
>  >
>
>
> > _______________________________________________
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>
>
>
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