The row index changes few times in comparison to the number of times data
is called. Reduce the number of times your code instances a new object by
caching the object and creating a new one only when the row index changes.
Something like:
QVariant data(const QModelIndex &index, int role) override
{
static int lastRow = -1;
static QScopedPoint<MyDataClass> lastObj;
if (lastObj.isNull() || index.row() != lastRow) {
lastRow = index.row();
lastObj.reset(createDataForRow(lastRow);
}
/Stan
_______________________________________________
Interest mailing list
Interest@qt-project.org
https://lists.qt-project.org/listinfo/interest
