qtreeview item's data

[Pawello]

Hi,
I have a problem with QTreeView. I want to read QString from selected cell, or (starting) index of this cell but I dont know how to do it. I've tried to use currentIndex(), but it shows position in current View- no matter which item is on first place in window after sorting or filtering it's index is always 0,0.

[spirit]

Did you use QAbstractItemModel::data?

[Pawello]

this could help, but I dont know how can I use it to extract int value from e.g. 5. cell of selected row.

[spirit]

Using QVariant::toInt.

[Pawello]

I've found this, but how to get data from e.g 5th. cell of the row.
E.g. No matter if I choose item at x,0 or x,1 I want to read data from x,5



And one more question: how can I make one header column invisible?

[spirit]

I've found this, but how to get data from e.g 5th. cell of the row.
E.g. No matter if I choose item at x,0 or x,1 I want to read data from x,5

Use QAbstractItemModel::index to get necessary index. Then you can use it for getting data:

...
qDebug() << Q_FUNC_INFO << model->data(model->index(0, 5));
...

...
qDebug() << Q_FUNC_INFO << model->data(model->index(0, 5));
...

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And one more question: how can I make one header column invisible?

See QHeaderView::hideSection.

[Pawello]

Use QAbstractItemModel::index to get necessary index. Then you can use it for getting data:

...
qDebug() << Q_FUNC_INFO << model->data(model->index(0, 5));
...

...
qDebug() << Q_FUNC_INFO << model->data(model->index(0, 5));
...

To copy to clipboard, switch view to plain text mode 

I dont'understand what do you mean. I suppose that

data(model->index(0, 5))

data(model->index(0, 5))

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will always give me data from index 0,5
My problem is that I want to use current index' row and set index column as 5- only column must be constant, row depends on the chosen cell.

See QHeaderView::hideSection.

Thanks, I used QTreeView::setColumnHidden

[spirit]

Did you try this?

...
QVariant value = model->data(model->index(view->currentIndex().row(), 5));
...

...
QVariant value = model->data(model->index(view->currentIndex().row(), 5));
...

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[Pawello]

It still doesn't work.
I have:

QTreeView tab;
QStandardItemModel model;
...
int s=tab->currentIndex().row();
int a=model->data(model->index(s,5)).toInt();
...

QTreeView tab;
QStandardItemModel model;
...
int s=tab->currentIndex().row();
int a=model->data(model->index(s,5)).toInt();
...

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Working code, which needs selecting items in 5th column :

QTreeView tab;
QStandardItemModel model;
...
int a=tab->currentIndex().data().toInt();
...

QTreeView tab;
QStandardItemModel model;
...
int a=tab->currentIndex().data().toInt();
...

To copy to clipboard, switch view to plain text mode 

[spirit]

That's because the current index == (0, 0) or invalid.

[Pawello]

So what should I do? I don't see any difference between my code and code posted by you previously, but it doesn't work properly.

[yeye_olive]

What does "it doesn't work" mean? At this point no one can do anything for you beyond playing guessing games.

By the way, row and column numbering is 0-based, so if you are interested in the 5th column you will should use model->data(model->index(view->currentIndex().row(),4)).

[Pawello]

I know about starting numeration from 0.
When I'm using second code program works well and read pointed cell's info, no matter if view was sorted, filtered... but when I use first code it shows number depending on position of item in current view, not information from 5th column. It use current index of item instead of value from 5th column.

[spirit]

Try to debug your app. Or provide complete compilable code.