[Qt-interest] createEditor() larger than parent cell

[Israel Brewster]

On Apr 10, 2009, at 5:17 PM, Malyushytsky, Alex wrote:

> Israel,
>
> There is nothing impossible, but there are some thing difficult to  
> implement.
>
> According to my understanding you can't make it to be drawn outside  
> the cell, using standard QTable feature. The whole idea of the table  
> is that the drawing occurs withing cell, so drawing of the cell is  
> independent.
> Otherwise it would be order dependant.
>
> I would consider removing frame from the spinbox (if you don't), or  
> just increasing cell height, but would nott go the way you chosen,  
> but if you want you can have work around.
>
> First you would have to subclass QSpinBox and make it draw itself  
> the way you like if you place it over the cell (so it does not  
> overlap gridlines except with arrows).
>
> Then when createEditor() is called you, you would have to create an  
> instance of it, position it over the cell and show.
> You will have to close editor when it lose focus and do what  
> QtableView does with thuch editors yourself.
>
> It is not easy, but it should work.
> I've do similar things for other purposes.
> But in my opinion, this is not a reasonable case.

Actually, it was as easy as simply re-implementing the  
updateEditorGeometry function of the QItemDelegate I was using, and  
adding a setWidth() line. Thanks anyway though - I appreciate the  
effort!

-----------------------------------------------
Israel Brewster
Computer Support Technician II
Frontier Flying Service Inc.
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7250 x293
-----------------------------------------------

>
> Regards,
>      Alex
>
>
>
>
>
> -----Original Message-----
> From: qt-interest-bounces at trolltech.com [mailto:qt-interest-bounces at trolltech.com 
> ] On Behalf Of Israel Brewster
> Sent: Friday, April 10, 2009 2:12 PM
> To: qt-interest List
> Subject: [Qt-interest] createEditor() larger than parent cell
>
> I asked this a while ago, but didn't get any response, so I figured
> I'd ask again. I have a QTableView and custom QItemDelegate in the
> createEditor() function of which I am making a QSpinBox. I would like
> to make the QSpinBox somewhat larger than the parent cell, i.e. let
> the up and down arrows of the spin box overlap the next cell while
> editing (or go off the edge of the table slightly if the last cell). I
> tried just setting the size in the create editor function, but this
> doesn't appear to stick. How can I manage this? Or is it simply
> impossible? Thanks.
>
> -----------------------------------------------
> Israel Brewster
> Computer Support Technician II
> Frontier Flying Service Inc.
> 5245 Airport Industrial Rd
> Fairbanks, AK 99709
> (907) 450-7250 x293
> -----------------------------------------------
>
>
>
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