1 files changed, 72 insertions, 0 deletions
diff --git a/src/corelib/itemmodels/qidentityproxymodel_p.h b/src/corelib/itemmodels/qidentityproxymodel_p.h
new file mode 100644
index 0000000000..78e1f5316c
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+++ b/src/corelib/itemmodels/qidentityproxymodel_p.h
@@ -0,0 +1,72 @@
+// Copyright (C) 2021 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Stephen Kelly <stephen.kelly@kdab.com>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QIDENTITYPROXYMODEL_P_H
+#define QIDENTITYPROXYMODEL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of QAbstractItemModel*.  This header file may change from version
+// to version without notice, or even be removed.
+//
+// We mean it.
+//
+//
+
+#include <QtCore/private/qabstractproxymodel_p.h>
+#include <QtCore/qidentityproxymodel.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_CORE_EXPORT QIdentityProxyModelPrivate : public QAbstractProxyModelPrivate
+{
+    Q_DECLARE_PUBLIC(QIdentityProxyModel)
+
+public:
+    QIdentityProxyModelPrivate()
+    {
+    }
+
+    QList<QPersistentModelIndex> layoutChangePersistentIndexes;
+    QModelIndexList proxyIndexes;
+
+    void sourceRowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
+    void sourceRowsInserted(const QModelIndex &parent, int start, int end);
+    void sourceRowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
+    void sourceRowsRemoved(const QModelIndex &parent, int start, int end);
+    void sourceRowsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
+                                  const QModelIndex &destParent, int dest);
+    void sourceRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
+                         const QModelIndex &destParent, int dest);
+
+    void sourceColumnsAboutToBeInserted(const QModelIndex &parent, int start, int end);
+    void sourceColumnsInserted(const QModelIndex &parent, int start, int end);
+    void sourceColumnsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
+    void sourceColumnsRemoved(const QModelIndex &parent, int start, int end);
+    void sourceColumnsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart,
+                                     int sourceEnd, const QModelIndex &destParent, int dest);
+    void sourceColumnsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
+                            const QModelIndex &destParent, int dest);
+
+    void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
+                           const QList<int> &roles);
+    void sourceHeaderDataChanged(Qt::Orientation orientation, int first, int last);
+
+    void sourceLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &sourceParents,
+                                      QAbstractItemModel::LayoutChangeHint hint);
+    void sourceLayoutChanged(const QList<QPersistentModelIndex> &sourceParents,
+                             QAbstractItemModel::LayoutChangeHint hint);
+    void sourceModelAboutToBeReset();
+    void sourceModelReset();
+
+private:
+    bool m_handleLayoutChanges = true;
+    QVarLengthArray<QMetaObject::Connection, 18> m_sourceModelConnections;
+};
+
+QT_END_NAMESPACE
+
+#endif // QIDENTITYPROXYMODEL_P_H