happybirthdaysong.cpp Example File
referenceexamples/valuesource/happybirthdaysong.cpp
#include "happybirthdaysong.h"
#include <QTimer>
HappyBirthdaySong::HappyBirthdaySong(QObject *parent)
: QObject(parent), m_line(-1)
{
setName(QString());
QTimer *timer = new QTimer(this);
QObject::connect(timer, &QTimer::timeout, this, &HappyBirthdaySong::advance);
timer->start(1000);
}
void HappyBirthdaySong::setTarget(const QQmlProperty &p)
{
m_target = p;
}
QString HappyBirthdaySong::name() const
{
return m_name;
}
void HappyBirthdaySong::setName(const QString &name)
{
m_name = name;
m_lyrics.clear();
m_lyrics << "Happy birthday to you,";
m_lyrics << "Happy birthday to you,";
m_lyrics << "Happy birthday dear " + m_name + ",";
m_lyrics << "Happy birthday to you!";
m_lyrics << "";
}
void HappyBirthdaySong::advance()
{
m_line = (m_line + 1) % m_lyrics.count();
m_target.write(m_lyrics.at(m_line));
}