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39
40#ifndef QQUICKREPEATER_P_H
41#define QQUICKREPEATER_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include "qquickitem.h"
55
56#include <private/qtquickglobal_p.h>
57
58QT_REQUIRE_CONFIG(quick_repeater);
59
60QT_BEGIN_NAMESPACE
61
62class QQmlChangeSet;
63
64class QQuickRepeaterPrivate;
65class Q_AUTOTEST_EXPORT QQuickRepeater : public QQuickItem
66{
67 Q_OBJECT
68
69 Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
70 Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
71 Q_PROPERTY(int count READ count NOTIFY countChanged)
72 Q_CLASSINFO("DefaultProperty", "delegate")
73 QML_NAMED_ELEMENT(Repeater)
74
75public:
76 QQuickRepeater(QQuickItem *parent=nullptr);
77 virtual ~QQuickRepeater();
78
79 QVariant model() const;
80 void setModel(const QVariant &);
81
82 QQmlComponent *delegate() const;
83 void setDelegate(QQmlComponent *);
84
85 int count() const;
86
87 Q_INVOKABLE QQuickItem *itemAt(int index) const;
88
89Q_SIGNALS:
90 void modelChanged();
91 void delegateChanged();
92 void countChanged();
93
94 void itemAdded(int index, QQuickItem *item);
95 void itemRemoved(int index, QQuickItem *item);
96
97private:
98 void clear();
99 void regenerate();
100
101protected:
102 void componentComplete() override;
103 void itemChange(ItemChange change, const ItemChangeData &value) override;
104
105private Q_SLOTS:
106 void createdItem(int index, QObject *item);
107 void initItem(int, QObject *item);
108 void modelUpdated(const QQmlChangeSet &changeSet, bool reset);
109
110private:
111 Q_DISABLE_COPY(QQuickRepeater)
112 Q_DECLARE_PRIVATE(QQuickRepeater)
113};
114
115QT_END_NAMESPACE
116
117QML_DECLARE_TYPE(QQuickRepeater)
118
119#endif // QQUICKREPEATER_P_H
120

source code of qtdeclarative/src/quick/items/qquickrepeater_p.h