qqstylekitdelegatecontainer_p.h

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// Copyright (C) 2026 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 reason:default
 
#ifndef QQSTYLEKITDELEGATECONTAINER_P_H
#define QQSTYLEKITDELEGATECONTAINER_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 <QtQuick/qquickitem.h>
#include <QtQml/qqmlparserstatus.h>
 
QT_BEGIN_NAMESPACE
 
class QQStyleKitDelegateProperties;
 
class QQStyleKitDelegateContainer : public QQuickItem
{
    Q_OBJECT
    Q_PROPERTY(QQStyleKitDelegateProperties *delegateProperties READ delegateProperties WRITE setDelegateProperties NOTIFY delegatePropertiesChanged FINAL)
    Q_PROPERTY(QObject *parentControl READ parentControl WRITE setParentControl NOTIFY parentControlChanged REQUIRED FINAL)
    Q_PROPERTY(QQuickItem *delegateInstance READ delegateInstance NOTIFY delegateInstanceChanged FINAL)
    QML_NAMED_ELEMENT(DelegateContainer)
 
public:
    explicit QQStyleKitDelegateContainer(QQuickItem *parent = nullptr);
    ~QQStyleKitDelegateContainer() override;
 
    QQStyleKitDelegateProperties *delegateProperties() const;
    void setDelegateProperties(QQStyleKitDelegateProperties *delegateProperties);
 
    QObject *parentControl() const;
    void setParentControl(QObject *control);
 
    QQuickItem *delegateInstance() const;
 
signals:
    void delegatePropertiesChanged();
    void parentControlChanged();
    void delegateInstanceChanged();
 
protected:
    void componentComplete() override;
 
private:
    void updateImplicitSize();
    void maybeCreateDelegate();
    void maybeCreateShadow();
 
private:
    QPointer<QQStyleKitDelegateProperties> m_delegateProperties;
    QPointer<QObject> m_control;
 
    QPointer<QQuickItem> m_delegateInstance;
    QPointer<QQuickItem> m_shadowInstance;
 
    QPointer<QQmlComponent> m_delegateComponent;
    QPointer<QQmlComponent> m_shadowComponent;
 
    static QQmlComponent *s_defaultDelegateComponent;
    static QQmlComponent *s_defaultShadowComponent;
};
 
QT_END_NAMESPACE
 
#endif // QQSTYLEKITDELEGATECONTAINER_P_H