happybirthdaysong.cpp Example File

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  #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)
  {
      if (m_name == name)
          return;

      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 << "";

      emit nameChanged();
  }

  void HappyBirthdaySong::advance()
  {
      m_line = (m_line + 1) % m_lyrics.count();

      m_target.write(m_lyrics.at(m_line));
  }