qqmlabstractdelegatecomponent_p.h

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// Copyright (C) 2019 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant

#ifndef QQMLABSTRACTDELEGATECOMPONENT_P_H

#define QQMLABSTRACTDELEGATECOMPONENT_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <private/qtqmlmodelsglobal_p.h>

#include <private/qqmlcomponentattached_p.h>

#include <qqmlcomponent.h>

QT_REQUIRE_CONFIG(qml_delegate_model);

QT_BEGIN_NAMESPACE

// TODO: consider making QQmlAbstractDelegateComponent public API

class QQmlAdaptorModel;

class Q_QMLMODELS_EXPORT QQmlAbstractDelegateComponent : public QQmlComponent

    Q_OBJECT

    QML_NAMED_ELEMENT(AbstractDelegateComponent)

    QML_ADDED_IN_VERSION(2, 0)

    QML_UNCREATABLE("Cannot create instance of abstract class AbstractDelegateComponent.")

public:

    QQmlAbstractDelegateComponent(QObject *parent = nullptr);

    ~QQmlAbstractDelegateComponent() override;

    virtual QQmlComponent *delegate(QQmlAdaptorModel *adaptorModel, int row, int column = 0) const = 0;

    virtual QString role() const = 0;

Q_SIGNALS:

    void delegateChanged();

protected:

    QVariant value(QQmlAdaptorModel *adaptorModel,int row, int column, const QString &role) const;

};

QT_END_NAMESPACE

#endif // QQMLABSTRACTDELEGATECOMPONENT_P_H