1 files changed, 15 insertions, 0 deletions
diff --git a/gui/groupview/GroupedProxyModel.h b/gui/groupview/GroupedProxyModel.h
new file mode 100644
index 00000000..12edee0f
--- /dev/null
+++ b/gui/groupview/GroupedProxyModel.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <QSortFilterProxyModel>
+
+class GroupedProxyModel : public QSortFilterProxyModel
+{
+	Q_OBJECT
+
+public:
+	GroupedProxyModel(QObject *parent = 0);
+
+protected:
+	virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const override;
+	virtual bool subSortLessThan(const QModelIndex &left, const QModelIndex &right) const;
+};