qquickattachedpropertypropagator_p_p.h

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// Copyright (C) 2025 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

#ifndef QQUICKATTACHEDPROPERTYPROPAGATOR_P_P_H

#define QQUICKATTACHEDPROPERTYPROPAGATOR_P_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 "qquickattachedpropertypropagator_p.h"

#include <QtCore/qpointer.h>

#include <QtCore/private/qobject_p.h>

#include <QtQuick/private/qquickitemchangelistener_p.h>

QT_BEGIN_NAMESPACE

class QWindow;

class QQuickWindow;

namespace QtPrivate {

class Q_QUICK_EXPORT QQuickAttachedPropertyPropagatorPrivate

    : public QObjectPrivate

    , public QSafeQuickItemChangeListener<QQuickAttachedPropertyPropagatorPrivate>

public:

    Q_DECLARE_PUBLIC(QQuickAttachedPropertyPropagator)

    static QQuickAttachedPropertyPropagatorPrivate *get(QQuickAttachedPropertyPropagator *attachedObject)

        return attachedObject->d_func();

    void init();

    void attachTo(QObject *object);

    void detachFrom(QObject *object);

    void setAttachedParent(QQuickAttachedPropertyPropagator *parent);

    void itemWindowChanged(QQuickWindow *window);

    void transientParentWindowChanged(QWindow *newTransientParent);

    void itemParentChanged(QQuickItem *item, QQuickItem *parent) override;

    static const QMetaObject *firstCppMetaObject(QQuickAttachedPropertyPropagator *propagator);

    static QQuickAttachedPropertyPropagator *findAttachedParent(const QMetaObject *attachedType,

        QObject *attachee);

    static QList<QQuickAttachedPropertyPropagator *> findAttachedChildren(

        const QMetaObject *attachedType, QObject *object);

    static QQuickItem *findAttachedItem(QObject *object);

    QList<QQuickAttachedPropertyPropagator *> attachedChildren;

    QPointer<QQuickAttachedPropertyPropagator> attachedParent;

    const QMetaObject *attacherMetaObject = nullptr;

};

} // namespace QtPrivate

QT_END_NAMESPACE

#endif // QQUICKATTACHEDPROPERTYPROPAGATOR_P_P_H