Qtreeview selection highlighted problem?

[jacek]

Does it work if you change your flags() method to:

Qt::ItemFlags GDOSGrassModel::flags(const QModelIndex &index) const
{
   return QAbstractItemModel::flags( index );
}

Qt::ItemFlags GDOSGrassModel::flags(const QModelIndex &index) const
{
   return QAbstractItemModel::flags( index );
}

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?