Method loadProject

src/core/Song.cpp:1013–1192

load given song

// load given song
void Song::loadProject( const QString & fileName )
{
	QDomNode node;

	m_loadingProject = true;

	Engine::projectJournal()->setJournalling( false );

	m_oldFileName = m_fileName;
	m_fileName = fileName;

	DataFile dataFile( m_fileName );
	// if file could not be opened, head-node is null and we create
	// new project
	if( dataFile.head().isNull() )
	{
		if( m_loadOnLaunch )
		{
			createNewProject();
		}
		m_fileName = m_oldFileName;
		return;
	}

	m_oldFileName = m_fileName;

	clearProject();

	clearErrors();

	Engine::mixer()->requestChangeInModel();

	// get the header information from the DOM
	m_tempoModel.loadSettings( dataFile.head(), "bpm" );
	m_timeSigModel.loadSettings( dataFile.head(), "timesig" );
	m_masterVolumeModel.loadSettings( dataFile.head(), "mastervol" );
	m_masterPitchModel.loadSettings( dataFile.head(), "masterpitch" );

	if( m_playPos[Mode_PlaySong].m_timeLine )
	{
		// reset loop-point-state
		m_playPos[Mode_PlaySong].m_timeLine->toggleLoopPoints( 0 );
	}

	if( !dataFile.content().firstChildElement( "track" ).isNull() )
	{
		m_globalAutomationTrack->restoreState( dataFile.content().
						firstChildElement( "track" ) );
	}

	//Backward compatibility for LMMS <= 0.4.15
	PeakController::initGetControllerBySetting();

	// Load mixer first to be able to set the correct range for FX channels
	node = dataFile.content().firstChildElement( Engine::fxMixer()->nodeName() );
	if( !node.isNull() )
	{
		Engine::fxMixer()->restoreState( node.toElement() );