problem with rowCount method

[sergio486]

Hi everybody,

I defined my own TableModel using the QAbstractTableModel class...all run perfectly just i couldn't use the rowCount method in my program :

"no Matching function for call to TableModel::rowCount const"
"condidates are virtual int TableModel::rowCount const"

i'm sure that i have defined correctly the virtual method but i don't know what happened ? i have also changed the example of adresse book:

QVariant TableModel::data(const QModelIndex &index, int role) const
{
    if (!index.isValid())
        return QVariant();
 
    if (index.row() >= /*listOfPairs.size()*/ rowCount() || index.row() < 0)
        return QVariant();
 
    if (role == Qt::DisplayRole) {
        QPair<QString, QString> pair = listOfPairs.at(index.row());
 
        if (index.column() == 0)
            return pair.first;
        else if (index.column() == 1)
            return pair.second;
    }
    return QVariant();
}

QVariant TableModel::data(const QModelIndex &index, int role) const
{
    if (!index.isValid())
        return QVariant();
    
    if (index.row() >= /*listOfPairs.size()*/ rowCount() || index.row() < 0)
        return QVariant();
    
    if (role == Qt::DisplayRole) {
        QPair<QString, QString> pair = listOfPairs.at(index.row());
        
        if (index.column() == 0)
            return pair.first;
        else if (index.column() == 1)
            return pair.second;
    }
    return QVariant();
}

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same fact !!
any idea ??

[Everall]

How does your method look like exactly?
What is the return type?

Everall

[wysota]

Make sure that the declaration of the method in your subclass allows a default argument for the parent model index.