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39
40#ifndef QQMLABSTRACTDELEGATECOMPONENT_P_H
41#define QQMLABSTRACTDELEGATECOMPONENT_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 <private/qtqmlmodelsglobal_p.h>
55#include <private/qqmlcomponentattached_p.h>
56#include <qqmlcomponent.h>
57
58QT_REQUIRE_CONFIG(qml_delegate_model);
59
60QT_BEGIN_NAMESPACE
61
62// TODO: consider making QQmlAbstractDelegateComponent public API
63class QQmlAdaptorModel;
64class Q_QMLMODELS_PRIVATE_EXPORT QQmlAbstractDelegateComponent : public QQmlComponent
65{
66 Q_OBJECT
67 QML_NAMED_ELEMENT(AbstractDelegateComponent)
68 QML_UNCREATABLE("Cannot create instance of abstract class AbstractDelegateComponent.")
69
70public:
71 QQmlAbstractDelegateComponent(QObject *parent = nullptr);
72 ~QQmlAbstractDelegateComponent() override;
73
74 virtual QQmlComponent *delegate(QQmlAdaptorModel *adaptorModel, int row, int column = 0) const = 0;
75
76signals:
77 void delegateChanged();
78
79protected:
80 QVariant value(QQmlAdaptorModel *adaptorModel,int row, int column, const QString &role) const;
81};
82
83QT_END_NAMESPACE
84
85#endif // QQMLABSTRACTDELEGATECOMPONENT_P_H
86

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