WebAug 31, 2016 · I recommend to use a flag to check the state of an element and filter it, example: enum State {Valid, Invalid} Now in your QSortFilterProxyModel::filterAcceptsRow (..) add a new condition to check the state of the element: const State state = _sourceModel->data (index, Qt::UserRole).toInt (&); return state == Valid; WebQtConcurrent::filter () modifies a sequence in-place, QtConcurrent::filtered () returns a new sequence containing the filtered content, and QtConcurrent::filteredReduced () returns a single result. These functions are part of the Qt Concurrent framework. Each of the above functions have a blocking variant that returns the final result instead ...
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