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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 
57 QT_BEGIN_NAMESPACE
58 
59 class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QHeaderDataProxyModel : public QAbstractItemModel
60 {
61     Q_OBJECT
62     Q_DISABLE_COPY(QHeaderDataProxyModel)
63     Q_PROPERTY(QAbstractItemModel *sourceModel READ sourceModel)
64 public:
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 
83 private:
84     inline void connectToModel();
85     inline void disconnectFromModel();
86     QPointer<QAbstractItemModel> m_model = nullptr;
87     Qt::Orientation m_orientation = Qt::Horizontal;
88 };
89 
90 class QQuickHeaderViewBasePrivate : public QQuickTableViewPrivate
91 {
92     Q_DECLARE_PUBLIC(QQuickHeaderViewBase)
93 public:
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 
105 protected:
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 
118 class QQuickHorizontalHeaderViewPrivate : public QQuickHeaderViewBasePrivate
119 {
120     Q_DECLARE_PUBLIC(QQuickHorizontalHeaderView)
121 public:
122     QQuickHorizontalHeaderViewPrivate();
123     ~QQuickHorizontalHeaderViewPrivate();
124 };
125 
126 class QQuickVerticalHeaderViewPrivate : public QQuickHeaderViewBasePrivate
127 {
128     Q_DECLARE_PUBLIC(QQuickVerticalHeaderView)
129 public:
130     QQuickVerticalHeaderViewPrivate();
131     ~QQuickVerticalHeaderViewPrivate();
132 };
133 
134 QT_END_NAMESPACE
135 
136 #endif // QQUICKHEADERVIEW_P_P_H
137