[Interest] QGraphicsScene and absolute postion of items

Igor Mironchik igor.mironchik at gmail.com
Sat Nov 2 20:55:05 CET 2013


Hi.

> I've found the problem. The problem is that taht coordinate system 
> started at center of QGraphicsScene.
>
> Then my question is how to set coordinates system to start at top-left 
> corner?

Well, I've found the solution. It's QGraphicsView::setAlignment( 
Qt::AlignLeft | Qt::AlignTop ).

But if I add only one item in the pos ( 10, 10 ) then view will show 
this item at pos ( 0, 0 ).

How can I tell to QGraphicsView to not eat margins (offsets)?

Thanks.

>
> Thanks.
>
>> Hi.
>>
>> I'm playing with QGraphicsScene and faced with the problem.
>>
>> I've added three items to the scene for the given postions. All is 
>> ok. But when I've resized window with view and scene the items have 
>> changed their absolute positions and justified with center of scene. 
>> Absolute positions have remained unchanged. And I want to not to 
>> change positions of items on resize window.
>>
>> How to solve this problem?
>>
>> Thanks.
>>
>
>


-- 
Best Regards,
Igor Mironchik.




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