qtdeclarative/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/birthdayparty.h

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1.4 KiB
C++

// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef BIRTHDAYPARTY_H
#define BIRTHDAYPARTY_H
#include "person.h"
#include <QObject>
#include <QQmlListProperty>
class BirthdayParty : public QObject
{
Q_OBJECT
Q_PROPERTY(Person *host READ host WRITE setHost NOTIFY hostChanged FINAL)
Q_PROPERTY(QQmlListProperty<Person> guests READ guests NOTIFY guestsChanged FINAL)
Q_CLASSINFO("DefaultProperty", "guests")
QML_ELEMENT
public:
using QObject::QObject;
Person *host() const;
void setHost(Person *);
QQmlListProperty<Person> guests();
void appendGuest(Person *);
qsizetype guestCount() const;
Person *guest(qsizetype) const;
void clearGuests();
void replaceGuest(qsizetype, Person *);
void removeLastGuest();
signals:
void hostChanged();
void guestsChanged();
private:
static void appendGuest(QQmlListProperty<Person> *list, Person *);
static qsizetype guestCount(QQmlListProperty<Person> *);
static Person *guest(QQmlListProperty<Person> *, qsizetype);
static void clearGuests(QQmlListProperty<Person> *);
static void replaceGuest(QQmlListProperty<Person> *, qsizetype, Person *);
static void removeLastGuest(QQmlListProperty<Person> *);
Person *m_host = nullptr;
QList<Person *> m_guests;
};
#endif // BIRTHDAYPARTY_H