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36
37#ifndef QQUICKTUMBLERVIEW_P_H
38#define QQUICKTUMBLERVIEW_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 <QQuickItem>
52#include <QtQuickControls2/private/qtquickcontrols2global_p.h>
53
54QT_BEGIN_NAMESPACE
55
56class QQuickListView;
57class QQuickPath;
58class QQuickPathView;
59
60class QQuickTumbler;
61
62class Q_QUICKCONTROLS2_PRIVATE_EXPORT QQuickTumblerView : public QQuickItem
63{
64 Q_OBJECT
65 Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
66 Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
67 Q_PROPERTY(QQuickPath *path READ path WRITE setPath NOTIFY pathChanged)
68
69public:
70 QQuickTumblerView(QQuickItem *parent = nullptr);
71
72 QVariant model() const;
73 void setModel(const QVariant &model);
74
75 QQmlComponent *delegate() const;
76 void setDelegate(QQmlComponent *delegate);
77
78 QQuickPath *path() const;
79 void setPath(QQuickPath *path);
80
81Q_SIGNALS:
82 void modelChanged();
83 void delegateChanged();
84 void pathChanged();
85
86protected:
87 void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
88 void componentComplete() override;
89 void itemChange(ItemChange change, const ItemChangeData &data) override;
90
91private:
92 QQuickItem *view();
93 void createView();
94 void updateView();
95 void updateModel();
96
97 void wrapChange();
98
99 QQuickTumbler *m_tumbler = nullptr;
100 QVariant m_model;
101 QQmlComponent *m_delegate = nullptr;
102 QQuickPathView *m_pathView = nullptr;
103 QQuickListView *m_listView = nullptr;
104 QQuickPath *m_path = nullptr;
105};
106
107QT_END_NAMESPACE
108
109#endif // TUMBLERVIEW_H
110

source code of qtquickcontrols2/src/quickcontrols2/qquicktumblerview_p.h