1// Copyright (C) 2020 The Qt Company Ltd.
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 QQUICKHEADERVIEW_P_P_H
5#define QQUICKHEADERVIEW_P_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 purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtCore/QAbstractItemModel>
19#include <QtCore/QPointer>
20#if QT_CONFIG(transposeproxymodel)
21#include <QtCore/QTransposeProxyModel>
22#endif
23#include <QtQuick/private/qquicktableview_p_p.h>
24#include <private/qquickheaderview_p.h>
25
26QT_BEGIN_NAMESPACE
27
28class Q_QUICKTEMPLATES2_EXPORT QHeaderDataProxyModel : public QAbstractItemModel
29{
30 Q_OBJECT
31 Q_DISABLE_COPY(QHeaderDataProxyModel)
32 Q_PROPERTY(QAbstractItemModel *sourceModel READ sourceModel)
33public:
34 explicit QHeaderDataProxyModel(QObject *parent = nullptr);
35 ~QHeaderDataProxyModel();
36
37 void setSourceModel(QAbstractItemModel *newSourceModel);
38 QPointer<QAbstractItemModel> sourceModel() const;
39 QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
40 QModelIndex parent(const QModelIndex &child) const override;
41 QModelIndex sibling(int row, int column, const QModelIndex &idx) const override;
42 int rowCount(const QModelIndex &parent = QModelIndex()) const override;
43 int columnCount(const QModelIndex &parent = QModelIndex()) const override;
44 QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
45 bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
46 bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
47 QHash<int, QByteArray> roleNames() const override;
48
49 inline QVariant variantValue() const;
50 inline Qt::Orientation orientation() const;
51 inline void setOrientation(Qt::Orientation o);
52
53 QQuickHeaderViewBase *m_headerView = nullptr;
54
55private:
56 inline void connectToModel();
57 inline void disconnectFromModel();
58 QPointer<QAbstractItemModel> m_model = nullptr;
59 Qt::Orientation m_orientation = Qt::Horizontal;
60};
61
62class QQuickHeaderViewBasePrivate : public QQuickTableViewPrivate
63{
64 Q_DECLARE_PUBLIC(QQuickHeaderViewBase)
65public:
66 QQuickHeaderViewBasePrivate();
67 ~QQuickHeaderViewBasePrivate();
68
69 void init();
70 Qt::Orientation orientation() const;
71 void setOrientation(Qt::Orientation orientation);
72 const QPointer<QQuickItem> delegateItemAt(int row, int col) const;
73 QVariant modelImpl() const override;
74 void setModelImpl(const QVariant &newModel) override;
75 void syncModel() override;
76 void syncSyncView() override;
77 QAbstractItemModel *selectionSourceModel() override;
78
79protected:
80 QHeaderDataProxyModel m_headerDataProxyModel;
81#if QT_CONFIG(transposeproxymodel)
82 QTransposeProxyModel m_transposeProxyModel;
83#endif
84 struct SectionSize
85 {
86 int section;
87 qreal previousSize;
88 };
89 QStack<SectionSize> m_hiddenSectionSizes;
90 bool m_modelExplicitlySetByUser = false;
91 QString m_textRole;
92
93 int logicalRowIndex(const int visualIndex) const final;
94 int logicalColumnIndex(const int visualIndex) const final;
95 int visualRowIndex(const int logicalIndex) const final;
96 int visualColumnIndex(const int logicalIndex) const final;
97};
98
99class QQuickHorizontalHeaderViewPrivate : public QQuickHeaderViewBasePrivate
100{
101 Q_DECLARE_PUBLIC(QQuickHorizontalHeaderView)
102public:
103 QQuickHorizontalHeaderViewPrivate();
104 ~QQuickHorizontalHeaderViewPrivate();
105
106 bool m_movableColumns = false;
107};
108
109class QQuickVerticalHeaderViewPrivate : public QQuickHeaderViewBasePrivate
110{
111 Q_DECLARE_PUBLIC(QQuickVerticalHeaderView)
112public:
113 QQuickVerticalHeaderViewPrivate();
114 ~QQuickVerticalHeaderViewPrivate();
115
116 bool m_movableRows = false;
117};
118
119QT_END_NAMESPACE
120
121#endif // QQUICKHEADERVIEW_P_P_H
122

source code of qtdeclarative/src/quicktemplates/qquickheaderview_p_p.h