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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef INVISIBLE_H
#define INVISIBLE_H
#include <QtCore/qobject.h>
#include <QtQmlIntegration/qqmlintegration.h>
#include <QtQml/qqmllist.h>
class Invisible : public QObject
{
public:
Invisible(QObject *parent = nullptr) : QObject(parent) {}
};
class SingletonModel : public Invisible
{
Q_OBJECT
QML_ELEMENT
QML_SINGLETON
public:
SingletonModel(QObject *parent = nullptr) : Invisible(parent) {}
};
class AttachedAttached : public Invisible
{
Q_OBJECT
public:
AttachedAttached(QObject *parent = nullptr) : Invisible(parent) {}
};
class AttachedObject : public QObject
{
Q_OBJECT
QML_ELEMENT
QML_ATTACHED(AttachedAttached)
public:
static AttachedAttached *qmlAttachedProperties(QObject *object)
{
return new AttachedAttached(object);
}
};
class DerivedFromInvisible : public Invisible
{
Q_OBJECT
QML_ELEMENT
Q_PROPERTY(double implicitWidth MEMBER m_implicitWidth NOTIFY implicitWidthChanged FINAL)
public:
DerivedFromInvisible(QObject *parent = nullptr) : Invisible(parent) {}
signals:
void implicitWidthChanged();
private:
double m_implicitWidth = 27;
};
class WithListPropertyOfDerivedFromInvisible : public QObject
{
Q_OBJECT
QML_ELEMENT
Q_PROPERTY(QQmlListProperty<DerivedFromInvisible> children READ children NOTIFY childrenChanged FINAL)
public:
WithListPropertyOfDerivedFromInvisible(QObject *parent = nullptr) : QObject(parent)
{
m_children.append(new DerivedFromInvisible(this));
}
QQmlListProperty<DerivedFromInvisible> children()
{
return QQmlListProperty<DerivedFromInvisible>(this, &m_children);
}
signals:
void childrenChanged();
private:
QList<DerivedFromInvisible *> m_children;
};
#endif // INVISIBLE_H
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