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50#include "happybirthdaysong.h"
51#include <QTimer>
52
53HappyBirthdaySong::HappyBirthdaySong(QObject *parent)
54: QObject(parent), m_line(-1)
55{
56 setName(QString());
57 auto *timer = new QTimer(this);
58 QObject::connect(sender: timer, signal: &QTimer::timeout, receiver: this, slot: &HappyBirthdaySong::advance);
59 timer->start(msec: 1000);
60}
61
62void HappyBirthdaySong::setTarget(const QQmlProperty &p)
63{
64 m_target = p;
65}
66
67QString HappyBirthdaySong::name() const
68{
69 return m_name;
70}
71
72void HappyBirthdaySong::setName(const QString &name)
73{
74 m_name = name;
75
76 m_lyrics.clear();
77 m_lyrics << "Happy birthday to you,";
78 m_lyrics << "Happy birthday to you,";
79 m_lyrics << "Happy birthday dear " + m_name + ",";
80 m_lyrics << "Happy birthday to you!";
81 m_lyrics << "";
82}
83
84void HappyBirthdaySong::advance()
85{
86 m_line = (m_line + 1) % m_lyrics.count();
87
88 m_target.write(m_lyrics.at(i: m_line));
89}
90
91

source code of qtdeclarative/examples/qml/referenceexamples/valuesource/happybirthdaysong.cpp