[Qt-interest] Creating a QModelIndex outsideof a QAbstractItemModel subclass

[Dario Ahdoot]

Here is what I want to do, which is currently not selecting the whole row:

someAbstractViewPointer->selectionModel()->select( someAbstractModelPointer->index( 5, 1 ), QItemSelectionModel::ClearAndSelect );

In the example above, the view should highlight all of row 5, even though the index I pass in is for column 1.

Thanks,
Dario

-----Original Message-----
From: qt-interest-bounces at trolltech.com [mailto:qt-interest-bounces at trolltech.com] On Behalf Of Scott Aron Bloom
Sent: Thursday, March 12, 2009 11:43 AM
To: qt-interest at trolltech.com
Subject: Re: [Qt-interest] Creating a QModelIndex outsideof a QAbstractItemModel subclass

It should...  If you call the models "set current" then its model
specific...

But if you call the selection model from a view, it should (and does for
me) select the row...

Make sure your selection data is correct

Scott

> -----Original Message-----
> From: qt-interest-bounces at trolltech.com [mailto:qt-interest-
> bounces at trolltech.com] On Behalf Of Dario Ahdoot
> Sent: Thursday, March 12, 2009 11:18 AM
> To: qt-interest at trolltech.com
> Subject: Re: [Qt-interest] Creating a QModelIndex outsideof a
> QAbstractItemModel subclass
> 
> Yes, it doesn't select the whole row. However, if a view's style is
select the
> whole row, then selecting an index through the selection model of the
view
> should be identical to selecting that index through the UI itself, no?
i.e.
> the whole row of the index should be selected, I would think.
> 
> If you select an item in a tree view where the selection behavior is
to select
> the whole row when you click on an item (or select it
programmatically), it is
> weird to see the existing behavior, both from a coders and UI point of
view.
> 
> D
> 
> -----Original Message-----
> From: qt-interest-bounces at trolltech.com [mailto:qt-interest-
> bounces at trolltech.com] On Behalf Of Andreas Pakulat
> Sent: Thursday, March 12, 2009 9:09 AM
> To: qt-interest at trolltech.com
> Subject: Re: [Qt-interest] Creating a QModelIndex outside of a
> QAbstractItemModel subclass
> 
> On 12.03.09 10:36:05, Dario Ahdoot wrote:
> > Thanks. I somehow missed that method on QAbstractItemModel.
> >
> > On a related note, based on the code snippet below, would you
consider it a
> bug that if you have a tree with a SelectionBehavior of
> QAbstractItemView::SelectRows, then when you call select on it, then
it should
> select the whole row of the model index you pass in?
> 
> So you mean it doesn't select the whole row, right? Thats actually
correct,
> because you're selecting something in the selection model, not the
view.
> The selection behaviour is private to the view and only drives what
the
> user can select. For example its perfectly possible to have the same
> selection model in two different views and one only allows to select
full
> rows, while the other allows to select single items (no I don't have a
real
> world use-case at hand right now).
> 
> Andreas
> 
> --
> A few hours grace before the madness begins again.
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