Checking if a row in a tableview is filtered when using a QSortFilterProxyModel

[snydesc]

I have a tableview that uses a QSortFilterProxyModel. If I call tableView.isRowHidden() on a row that was filtered it will return false. I would have expected it to return true since the row is hidden. I could not find a isRowFiltered() function anywhere. How can I tell if a row is filtered within my table?

[norobro]

You're confusing a function of the view (hiding rows) with a function of the model (filtering).

A filtered out row isn't hidden in the view, it will not exist in your proxy model.

From the QSortFilterProxyModel docs:

The model transforms the structure of a source model by mapping the model indexes it supplies to new indexes, corresponding to different locations, for views to use.

You can check whether a row is filtered or not by using QSortFilterProxyModel::mapFromSource().

if(!mapFromSource(sourceModel()->index("source model row",0)).isValid()) //source model row is filtered;

if(!mapFromSource(sourceModel()->index("source model row",0)).isValid()) //source model row is filtered;

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