SetData(int role,const QVariant) Data(int role)

[XLeopard]

I'am typing codes in Chapter3,spreadsheet, of C++GUI Programming with Qt4.
I don't understand why these two methods don't contain parameter "int column". Otherwise, how it locates where the cell is.

[goetz]

Not everyone has that book at hand. If you would tell us on which class you call that method, that would be great.

[andre]

Well, all is contained in the [[doc:QModelIndex]]. It contains row, column and parent item. These three together uniquely identify an item in an model.

Edit: I happen to have the book here, but I can't quickly locate the exact snippet you're talking about.