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3** Copyright (C) 2020 The Qt Company Ltd.
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6** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
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25** GNU General Public License Usage
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35****************************************************************************/
36
37#ifndef QQUICKHEADERVIEW_P_P_H
38#define QQUICKHEADERVIEW_P_P_H
39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49//
50
51#include <QtCore/QAbstractItemModel>
52#include <QtCore/QPointer>
53#include <QtCore/QTransposeProxyModel>
54#include <QtQuick/private/qquicktableview_p_p.h>
55#include <private/qquickheaderview_p.h>
56
57QT_BEGIN_NAMESPACE
58
59class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QHeaderDataProxyModel : public QAbstractItemModel
60{
61 Q_OBJECT
62 Q_DISABLE_COPY(QHeaderDataProxyModel)
63 Q_PROPERTY(QAbstractItemModel *sourceModel READ sourceModel)
64public:
65 explicit QHeaderDataProxyModel(QObject *parent = nullptr);
66 ~QHeaderDataProxyModel();
67
68 void setSourceModel(QAbstractItemModel *newSourceModel);
69 QPointer<QAbstractItemModel> sourceModel() const;
70 QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
71 QModelIndex parent(const QModelIndex &child) const override;
72 QModelIndex sibling(int row, int column, const QModelIndex &idx) const override;
73 int rowCount(const QModelIndex &parent = QModelIndex()) const override;
74 int columnCount(const QModelIndex &parent = QModelIndex()) const override;
75 QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
76 bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
77 bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
78
79 inline QVariant variantValue() const;
80 inline Qt::Orientation orientation() const;
81 inline void setOrientation(Qt::Orientation o);
82
83private:
84 inline void connectToModel();
85 inline void disconnectFromModel();
86 QPointer<QAbstractItemModel> m_model = nullptr;
87 Qt::Orientation m_orientation = Qt::Horizontal;
88};
89
90class QQuickHeaderViewBasePrivate : public QQuickTableViewPrivate
91{
92 Q_DECLARE_PUBLIC(QQuickHeaderViewBase)
93public:
94 QQuickHeaderViewBasePrivate();
95 ~QQuickHeaderViewBasePrivate();
96
97 Qt::Orientation orientation() const;
98 void setOrientation(Qt::Orientation orientation);
99 const QPointer<QQuickItem> delegateItemAt(int row, int col) const;
100 QVariant modelImpl() const override;
101 void setModelImpl(const QVariant &newModel) override;
102 void syncModel() override;
103 void syncSyncView() override;
104
105protected:
106 QHeaderDataProxyModel m_headerDataProxyModel;
107 QTransposeProxyModel m_transposeProxyModel;
108 struct SectionSize
109 {
110 int section;
111 qreal previousSize;
112 };
113 QStack<SectionSize> m_hiddenSectionSizes;
114 bool m_modelExplicitlySetByUser = false;
115 QString m_textRole;
116};
117
118class QQuickHorizontalHeaderViewPrivate : public QQuickHeaderViewBasePrivate
119{
120 Q_DECLARE_PUBLIC(QQuickHorizontalHeaderView)
121public:
122 QQuickHorizontalHeaderViewPrivate();
123 ~QQuickHorizontalHeaderViewPrivate();
124};
125
126class QQuickVerticalHeaderViewPrivate : public QQuickHeaderViewBasePrivate
127{
128 Q_DECLARE_PUBLIC(QQuickVerticalHeaderView)
129public:
130 QQuickVerticalHeaderViewPrivate();
131 ~QQuickVerticalHeaderViewPrivate();
132};
133
134QT_END_NAMESPACE
135
136#endif // QQUICKHEADERVIEW_P_P_H
137

source code of qtquickcontrols2/src/quicktemplates2/qquickheaderview_p_p.h