Extending QML - Property Value Source Example

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#include "birthdayparty.h" BirthdayPartyAttached::BirthdayPartyAttached(QObject *object) : QObject(object) { } QDate BirthdayPartyAttached::rsvp() const { return m_rsvp; } void BirthdayPartyAttached::setRsvp(const QDate &d) { m_rsvp = d; } BirthdayParty::BirthdayParty(QObject *parent) : QObject(parent), m_host(nullptr) { } Person *BirthdayParty::host() const { return m_host; } void BirthdayParty::setHost(Person *c) { m_host = c; } QQmlListProperty<Person> BirthdayParty::guests() { return QQmlListProperty<Person>(this, m_guests); } int BirthdayParty::guestCount() const { return m_guests.count(); } Person *BirthdayParty::guest(int index) const { return m_guests.at(index); } void BirthdayParty::startParty() { QTime time = QTime::currentTime(); emit partyStarted(time); } QString BirthdayParty::announcement() const { return QString(); } void BirthdayParty::setAnnouncement(const QString &speak) { qWarning() << qPrintable(speak); } BirthdayPartyAttached *BirthdayParty::qmlAttachedProperties(QObject *object) { return new BirthdayPartyAttached(object); }