[Qt-interest] Fw: QGraphicsItem::scene() returns 0x0

[Wathek LOUED]

I see I'm going to try what you said (itemChange)

Thank you

On Wed, Apr 20, 2011 at 11:45 AM, Mihail Naydenov <mlists at ymail.com> wrote:

> As said, you might be calling it *in the wrong time* - before item is added
> to the scene.
>
>
> *From:* Wathek LOUED <wathek at gmail.com>
> *To:* Mihail Naydenov <mlists at ymail.com>
> *Cc:* qt-interest at trolltech.com
> *Sent:* Wed, April 20, 2011 12:38:07 PM
> *Subject:* Re: [Qt-interest] Fw: QGraphicsItem::scene() returns 0x0
>
> I'm calling scene from the Item it self I cannot see what's wrong
>
> On Wed, Apr 20, 2011 at 11:17 AM, Mihail Naydenov <mlists at ymail.com>wrote:
>
>>
>>
>> ----- Forwarded Message ----
>> *From:* Mihail Naydenov <mlists at ymail.com>
>> *To:* Wathek LOUED <wathek at gmail.com>
>> *Sent:* Wed, April 20, 2011 12:16:44 PM
>> *Subject:* Re: [Qt-interest] QGraphicsItem::scene() returns 0x0
>>
>> Make sure you dont scene() from the item's ctor (explicitly or
>> indirectly).
>>
>> You can reiml itemChange and listen for scene change, then you be certain
>> the item is in scene already.
>>
>> MihailNaydenov
>>
>>
>> *From:* Wathek LOUED <wathek at gmail.com>
>> *To:* qt-interest <qt-interest at qt.nokia.com>
>> *Sent:* Wed, April 20, 2011 2:22:59 AM
>> *Subject:* [Qt-interest] QGraphicsItem::scene() returns 0x0
>>
>> Hi everybody,
>>
>> I got a problem when I call QGraphicsItem::scene() function it returns 0x0
>> however it should returns the address of the scene of the QGraphicsItem.
>> It's strange cause I've used QGraphicsScene::addItem function to add my
>> QGraphicsItem and I can see the item in my scene but when I try to get the
>> scene address it returns 0x0.
>>
>> I need to get that to be able to get the scene dimensions. I cannot see an
>> other way to do it.
>>
>> Thank you so much
>>
>> Sincerely
>> Wathek
>>
>>
>> _______________________________________________
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>> Qt-interest at qt.nokia.com
>> http://lists.qt.nokia.com/mailman/listinfo/qt-interest
>>
>>
>
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