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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QQUICK3DREPEATER_P_H
#define QQUICK3DREPEATER_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 <QtQuick3D/private/qquick3dnode_p.h>
#include <QtQmlModels/private/qqmldelegatemodel_p.h>
#include <QtCore/qvector.h>
#include <QtCore/qpointer.h>
QT_BEGIN_NAMESPACE
class QQmlChangeSet;
class QQmlContext;
class QQmlInstanceModel;
class QQuick3DRepeaterPrivate;
class Q_QUICK3D_EXPORT QQuick3DRepeater : public QQuick3DNode
{
Q_OBJECT
Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_PROPERTY(QQmlDelegateModel::DelegateModelAccess delegateModelAccess READ delegateModelAccess
WRITE setDelegateModelAccess NOTIFY delegateModelAccessChanged REVISION(6, 10) FINAL)
Q_CLASSINFO("DefaultProperty", "delegate")
QML_NAMED_ELEMENT(Repeater3D)
public:
QQuick3DRepeater(QQuick3DNode *parent = nullptr);
~QQuick3DRepeater() override;
QVariant model() const;
void setModel(const QVariant &);
QQmlComponent *delegate() const;
void setDelegate(QQmlComponent *);
int count() const;
Q_INVOKABLE QQuick3DObject *objectAt(int index) const;
QQmlDelegateModel::DelegateModelAccess delegateModelAccess() const;
void setDelegateModelAccess(QQmlDelegateModel::DelegateModelAccess delegateModelAccess);
Q_SIGNALS:
void modelChanged();
void delegateChanged();
void countChanged();
void objectAdded(int index, QQuick3DObject *object);
void objectRemoved(int index, QQuick3DObject *object);
Q_REVISION(6, 10) void delegateModelAccessChanged();
private:
void clear();
void regenerate();
protected:
void componentComplete() override;
void itemChange(ItemChange change, const ItemChangeData &value) override;
virtual void initDelegate(int, QQuick3DNode *) {}
private Q_SLOTS:
void createdObject(int index, QObject *item);
void initObject(int, QObject *item);
void modelUpdated(const QQmlChangeSet &changeSet, bool reset);
private:
Q_DISABLE_COPY(QQuick3DRepeater)
void requestItems();
void applyDelegateChange();
QQmlDelegateModel *createDelegateModel();
void connectModel(QQmlDelegateModelPointer *model);
void disconnectModel(QQmlDelegateModelPointer *model);
QPointer<QQmlInstanceModel> m_model;
QVariant m_dataSource;
QPointer<QObject> m_dataSourceAsObject;
int m_itemCount;
bool m_ownModel : 1;
bool m_dataSourceIsObject : 1;
bool m_delegateValidated : 1;
bool m_explicitDelegate: 1;
bool m_explicitDelegateModelAccess : 1;
QVector<QPointer<QQuick3DNode> > m_deletables;
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QQuick3DRepeater)
#endif // QQUICK3DREPEATER_P_H
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