qabstracttablemodel setdata

QAbstractTableModel::setData() is a virtual function in the Qt framework that is used to set data at a specific index in the model.

The function takes the following parameters:
- QModelIndex index: The index where the data is to be set.
- QVariant value: The new value to be set at the index.
- int role: The role under which the data is to be set (default is Qt::EditRole).

The function returns a boolean value indicating whether the data was successfully set or not.

Example usage:

bool MyTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
    if (index.isValid() && role == Qt::EditRole) {
        // Set the data at the specified index
        // ...
        emit dataChanged(index, index);
        return true;
    }
    return false;
}

This example implementation of setData() checks if the index is valid and the role is EditRole. If so, it sets the data at the index and emits the dataChanged() signal to notify any connected views that the data has been changed.