1// Copyright (C) 2021 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Stephen Kelly <stephen.kelly@kdab.com>
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QIDENTITYPROXYMODEL_P_H
5#define QIDENTITYPROXYMODEL_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists for the convenience
12// of QAbstractItemModel*. This header file may change from version
13// to version without notice, or even be removed.
14//
15// We mean it.
16//
17//
18
19#include <QtCore/private/qabstractproxymodel_p.h>
20#include <QtCore/qidentityproxymodel.h>
21
22QT_BEGIN_NAMESPACE
23
24class Q_CORE_EXPORT QIdentityProxyModelPrivate : public QAbstractProxyModelPrivate
25{
26 Q_DECLARE_PUBLIC(QIdentityProxyModel)
27
28public:
29 QIdentityProxyModelPrivate()
30 {
31 }
32 ~QIdentityProxyModelPrivate() override;
33
34 QList<QPersistentModelIndex> layoutChangePersistentIndexes;
35 QModelIndexList proxyIndexes;
36
37 void sourceRowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
38 void sourceRowsInserted(const QModelIndex &parent, int start, int end);
39 void sourceRowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
40 void sourceRowsRemoved(const QModelIndex &parent, int start, int end);
41 void sourceRowsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
42 const QModelIndex &destParent, int dest);
43 void sourceRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
44 const QModelIndex &destParent, int dest);
45
46 void sourceColumnsAboutToBeInserted(const QModelIndex &parent, int start, int end);
47 void sourceColumnsInserted(const QModelIndex &parent, int start, int end);
48 void sourceColumnsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
49 void sourceColumnsRemoved(const QModelIndex &parent, int start, int end);
50 void sourceColumnsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart,
51 int sourceEnd, const QModelIndex &destParent, int dest);
52 void sourceColumnsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
53 const QModelIndex &destParent, int dest);
54
55 void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
56 const QList<int> &roles);
57 void sourceHeaderDataChanged(Qt::Orientation orientation, int first, int last);
58
59 void sourceLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &sourceParents,
60 QAbstractItemModel::LayoutChangeHint hint);
61 void sourceLayoutChanged(const QList<QPersistentModelIndex> &sourceParents,
62 QAbstractItemModel::LayoutChangeHint hint);
63 void sourceModelAboutToBeReset();
64 void sourceModelReset();
65
66private:
67 bool m_handleLayoutChanges = true;
68 bool m_handleDataChanges = true;
69 QVarLengthArray<QMetaObject::Connection, 18> m_sourceModelConnections;
70};
71
72QT_END_NAMESPACE
73
74#endif // QIDENTITYPROXYMODEL_P_H
75

source code of qtbase/src/corelib/itemmodels/qidentityproxymodel_p.h