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39
40#ifndef QQMLINSTANTIATOR_P_H
41#define QQMLINSTANTIATOR_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 <QtQml/qqmlcomponent.h>
55#include <QtQml/qqmlparserstatus.h>
56#include <QtQmlModels/private/qtqmlmodelsglobal_p.h>
57
58QT_REQUIRE_CONFIG(qml_object_model);
59
60QT_BEGIN_NAMESPACE
61
62class QQmlInstantiatorPrivate;
63class Q_QMLMODELS_PRIVATE_EXPORT QQmlInstantiator : public QObject, public QQmlParserStatus
64{
65 Q_OBJECT
66 Q_INTERFACES(QQmlParserStatus)
67
68 Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged)
69 Q_PROPERTY(bool asynchronous READ isAsync WRITE setAsync NOTIFY asynchronousChanged)
70 Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
71 Q_PROPERTY(int count READ count NOTIFY countChanged)
72 Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
73 Q_PROPERTY(QObject *object READ object NOTIFY objectChanged)
74 Q_CLASSINFO("DefaultProperty", "delegate")
75 QML_NAMED_ELEMENT(Instantiator)
76 QML_ADDED_IN_MINOR_VERSION(14)
77
78public:
79 QQmlInstantiator(QObject *parent = nullptr);
80 ~QQmlInstantiator();
81
82 bool isActive() const;
83 void setActive(bool newVal);
84
85 bool isAsync() const;
86 void setAsync(bool newVal);
87
88 int count() const;
89
90 QQmlComponent* delegate();
91 void setDelegate(QQmlComponent* c);
92
93 QVariant model() const;
94 void setModel(const QVariant &v);
95
96 QObject *object() const;
97
98 Q_INVOKABLE QObject *objectAt(int index) const;
99
100 void classBegin() override;
101 void componentComplete() override;
102
103Q_SIGNALS:
104 void modelChanged();
105 void delegateChanged();
106 void countChanged();
107 void objectChanged();
108 void activeChanged();
109 void asynchronousChanged();
110
111 void objectAdded(int index, QObject* object);
112 void objectRemoved(int index, QObject* object);
113
114private:
115 Q_DISABLE_COPY(QQmlInstantiator)
116 Q_DECLARE_PRIVATE(QQmlInstantiator)
117 Q_PRIVATE_SLOT(d_func(), void _q_createdItem(int, QObject *))
118 Q_PRIVATE_SLOT(d_func(), void _q_modelUpdated(const QQmlChangeSet &, bool))
119};
120
121QT_END_NAMESPACE
122
123#endif // QQMLCREATOR_P_H
124

source code of qtdeclarative/src/qmlmodels/qqmlinstantiator_p.h