Hi, On Tuesday 12 July 2011 13:16:10 ext Nils Jeisecke wrote: > Currently you can only store either a pointer or a 64bit integer > inside a QModelIndex. > > Depending on the data the model is wrapping it can sometimes be quite > hard to store all required information in one of those elements. > > What do you think, would it be reasonable to add something like > internalVariant to QModelIndex? > > QVariant QModelIndex::internalVariant() const > QModelIndex QAbstractItemModel::createIndex(int row, int column, const > QVariant &) const
That would require a non-trivial constructor, copy constructor and destructor for QModelIndex, which we tried to prevent for performance reasons. The QModelIndex is volatile and short-lived, so you can let it point to a QVariant that is stored in your internal data structure. Harald _______________________________________________ Qt5-feedback mailing list [email protected] http://lists.qt.nokia.com/mailman/listinfo/qt5-feedback
