How customize items of ModelView?

[jpn]

Exemple, change the background color of a selected items with values 69:

QModelIndex id = tableView->currentIndex();
if (  model->data(id,Qt::DisplayRole) == 69 )
id->setBackground ( pink) ..... //SOMETHING THAT

QModelIndex id = tableView->currentIndex();
if (  model->data(id,Qt::DisplayRole) == 69 )
id->setBackground ( pink) ..... //SOMETHING THAT

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Subclass QSqlTableModel and reimplement QAbstractItemModel::data():

QVariant MySqlTableModel::data(const QModelIndex& index, int role) const
{
    QVariant val = QSqlTableModel::data(index, role);
    if (role == Qt::BackgroundRole && val == 69)
    {
        return QVariant::fromValue(QBrush(Qt::red)); // or QColor?
    }
    return val;
}

QVariant MySqlTableModel::data(const QModelIndex& index, int role) const
{
    QVariant val = QSqlTableModel::data(index, role);
    if (role == Qt::BackgroundRole && val == 69)
    {
        return QVariant::fromValue(QBrush(Qt::red)); // or QColor?
    }
    return val;
}

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Or , I want an icons near items with values = 69.

Similar approach works. Use QModelIndex::sibling() to test sibling items' values.