- Qt 5.5
- Qt QML
- Extending QML - Binding Example
- birthdayparty.cpp Example File
- Qt 5.5.1 Reference Documentation

# birthdayparty.cpp Example File

referenceexamples/binding/birthdayparty.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
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    **     from this software without specific prior written permission.
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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)
    {
        if (d != m_rsvp) {
            m_rsvp = d;
            emit rsvpChanged();
        }
    }

    BirthdayParty::BirthdayParty(QObject *parent)
    : QObject(parent), m_host(0)
    {
    }

    Person *BirthdayParty::host() const
    {
        return m_host;
    }

    void BirthdayParty::setHost(Person *c)
    {
        if (c == m_host) return;
        m_host = c;
        emit hostChanged();
    }

    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);
    }