Sorting a StringList

[Jimmy2775]

That is simpler and does solve the error - thank you wysota.

However, I would still like to know what the problem was with my origional code that would cause it not to compile so I can understand it better.

[jacek]

However, I would still like to know what the problem was with my origional code that would cause it not to compile so I can understand it better.

You were trying to use a pointer to a method instead of a pointer to a standalone function.

This should work:

bool caseInsensitiveLessThan(const QString &s1, const QString &s2)
{
    return s1.toLower() < s2.toLower();
}
 
bool caseInsensitiveGreaterThan(const QString &s1, const QString &s2)
{
    return s1.toLower() > s2.toLower();
} 
 
QStringList MyClass::sort(QStringList stringList, Qt::SortOrder order)
{
    if ( order == Qt::AscendingOrder )
    {
        qSort(stringList.begin(), stringList.end(), caseInsensitiveLessThan);
    }
    else
    {
        qSort(stringList.begin(), stringList.end(), caseInsensitiveGreaterThan);
    }
    return stringList;
}

bool caseInsensitiveLessThan(const QString &s1, const QString &s2)
{
    return s1.toLower() < s2.toLower();
}
 
bool caseInsensitiveGreaterThan(const QString &s1, const QString &s2)
{
    return s1.toLower() > s2.toLower();
} 

QStringList MyClass::sort(QStringList stringList, Qt::SortOrder order)
{
    if ( order == Qt::AscendingOrder )
    {
        qSort(stringList.begin(), stringList.end(), caseInsensitiveLessThan);
    }
    else
    {
        qSort(stringList.begin(), stringList.end(), caseInsensitiveGreaterThan);
    }
    return stringList;
}

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[Jimmy2775]

OK - I understand. Thank you.