Problem with QStyledItemDelegate and QSortFilterProxyModel

[Perdrix]

I have a table model based on a QAbstractTableModel.

I use a subclass of QStyledItemDelegate to handle display of one of the columns

Up until now I didn't have sort capability, so I interposed a QSortFilterProxyModel
between the table model and the table view:

	//
	// Set up a QSortFilterProxyModel to allow sorting of the table view
	// (it sits between the actual model and the view to provide sorting
	// capabilty)
	//
	proxyModel = std::make_unique<QSortFilterProxyModel>(this);
	proxyModel->setSourceModel(frameList.currentTableModel());

	ui->tableView->setModel(proxyModel.get());
	ui->tableView->setSortingEnabled(true);

net result the styled item delegate blew up on the Q_ASSERT in the following code that checks the cell attributes are correct:

	constexpr uint neededFeatures
	{ static_cast<uint>(QStyleOptionViewItem::HasCheckIndicator |
		QStyleOptionViewItem::HasDisplay |
		QStyleOptionViewItem::HasDecoration) };

	Q_ASSERT(neededFeatures == (opt.features & neededFeatures));

Shouldn't the sort filter proxy model pass that sort of stuff through?

David

[Christian Ehrlicher]

@Perdrix Nice to hear, can you mark the topic as solved then?

Normally a SFPM does not change the data until you derive from it and change it somewhere by your own.

[Christian Ehrlicher]

@Perdrix said in Problem with QStyledItemDelegate and QSortFilterProxyModel:

Shouldn't the sort filter proxy model pass that sort of stuff through?

Yes, please show a minimal, compilable example of your code

proxyModel = std::make_unique<QSortFilterProxyModel>(this);

Happy crashings

[Perdrix]

This post is deleted!

[Perdrix]

Problem found in my code :(

D.

[Christian Ehrlicher]

@Perdrix Nice to hear, can you mark the topic as solved then?

Normally a SFPM does not change the data until you derive from it and change it somewhere by your own.