/[svn]/qsampler/trunk/src/qsamplerChannel.cpp
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Diff of /qsampler/trunk/src/qsamplerChannel.cpp

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revision 382 by capela, Mon Feb 14 15:42:38 2005 UTC revision 388 by capela, Thu Feb 17 17:27:59 2005 UTC
# Line 45  qsamplerChannel::qsamplerChannel ( qsamp Line 45  qsamplerChannel::qsamplerChannel ( qsamp
45      m_pMainForm  = pMainForm;      m_pMainForm  = pMainForm;
46      m_iChannelID = iChannelID;      m_iChannelID = iChannelID;
47    
48  //  m_sEngineName       = QObject::tr("(No engine)");  //  m_sEngineName       = noEngineName();
49  //  m_sInstrumentName   = QObject::tr("(No instrument)");  //  m_sInstrumentName   = noInstrumentName();
50  //  m_sInstrumentFile   = m_sInstrumentName;  //  m_sInstrumentFile   = m_sInstrumentName;
51      m_iInstrumentNr     = -1;      m_iInstrumentNr     = -1;
52      m_iInstrumentStatus = -1;      m_iInstrumentStatus = -1;
# Line 199  bool qsamplerChannel::loadInstrument ( c Line 199  bool qsamplerChannel::loadInstrument ( c
199  {  {
200      if (client() == NULL || m_iChannelID < 0)      if (client() == NULL || m_iChannelID < 0)
201          return false;          return false;
202            if (!isInstrumentFile(sInstrumentFile))
203                return false;
204    
205      if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) {      if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) {
206          appendMessagesClient("lscp_load_instrument");          appendMessagesClient("lscp_load_instrument");
207          return false;          return false;
208      }      }
209    
210        return setInstrument(sInstrumentFile, iInstrumentNr);
211    }
212    
213    
214    // Special instrument file/name/number settler.
215    bool qsamplerChannel::setInstrument ( const QString& sInstrumentFile, int iInstrumentNr )
216    {
217      m_sInstrumentFile = sInstrumentFile;      m_sInstrumentFile = sInstrumentFile;
218      m_iInstrumentNr = iInstrumentNr;      m_iInstrumentNr = iInstrumentNr;
219  #ifdef CONFIG_INSTRUMENT_NAME  #ifdef CONFIG_INSTRUMENT_NAME
220      m_sInstrumentName = QString::null;  // We'll get it later on channel_info...      m_sInstrumentName = QString::null;  // We'll get it, maybe later, on channel_info...
221  #else  #else
222      m_sInstrumentName = getInstrumentName(sInstrumentFile, iInstrumentNr, true);      m_sInstrumentName = getInstrumentName(sInstrumentFile, iInstrumentNr, true);
223  #endif  #endif
224      m_iInstrumentStatus = 0;      m_iInstrumentStatus = 0;
225    
226      return true;          return true;
227  }  }
228    
229    
# Line 491  void qsamplerChannel::contextMenuEvent( Line 500  void qsamplerChannel::contextMenuEvent(
500  }  }
501    
502    
503    // FIXME: Check whether a given file is an instrument file.
504    bool qsamplerChannel::isInstrumentFile ( const QString& sInstrumentFile )
505    {
506            bool bResult = false;
507    
508            QFile file(sInstrumentFile);
509            if (file.open(IO_ReadOnly)) {
510                    char achHeader[4];
511                    if (file.readBlock(achHeader, 4)) {
512                            bResult = (achHeader[0] == 'R'
513                                            && achHeader[1] == 'I'
514                                            && achHeader[2] == 'F'
515                                            && achHeader[3] == 'F');
516                    }
517                    file.close();
518            }
519    
520            return bResult;
521    }
522    
523    
524  // Retrieve the instrument list of a instrument file (.gig).  // Retrieve the instrument list of a instrument file (.gig).
525  QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile,  QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile,
526          bool bInstrumentNames )          bool bInstrumentNames )
527  {  {
528      QFileInfo fileinfo(sInstrumentFile);      QString sInstrumentName = QFileInfo(sInstrumentFile).fileName();
     QString sInstrumentName = fileinfo.fileName();  
529      QStringList instlist;      QStringList instlist;
530    
531      if (fileinfo.exists()) {      if (isInstrumentFile(sInstrumentFile)) {
532  #ifdef CONFIG_LIBGIG  #ifdef CONFIG_LIBGIG
533                  if (bInstrumentNames) {                  if (bInstrumentNames) {
534                  RIFF::File *pRiff = new RIFF::File(sInstrumentFile);                  RIFF::File *pRiff = new RIFF::File(sInstrumentFile);
# Line 517  QStringList qsamplerChannel::getInstrume Line 546  QStringList qsamplerChannel::getInstrume
546          for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++)          for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++)
547              instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]");              instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]");
548      }      }
549      else instlist.append(sInstrumentName);      else instlist.append(noInstrumentName());
550    
551      return instlist;      return instlist;
552  }  }
# Line 527  QStringList qsamplerChannel::getInstrume Line 556  QStringList qsamplerChannel::getInstrume
556  QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile,  QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile,
557          int iInstrumentNr, bool bInstrumentNames )          int iInstrumentNr, bool bInstrumentNames )
558  {  {
559      QFileInfo fileinfo(sInstrumentFile);      QString sInstrumentName;
     QString sInstrumentName = fileinfo.fileName();  
560    
561      if (fileinfo.exists()) {      if (isInstrumentFile(sInstrumentFile)) {
562                    sInstrumentName = QFileInfo(sInstrumentFile).fileName();
563  #ifdef CONFIG_LIBGIG  #ifdef CONFIG_LIBGIG
564                  if (bInstrumentNames) {                  if (bInstrumentNames) {
565                  RIFF::File *pRiff = new RIFF::File(sInstrumentFile);                  RIFF::File *pRiff = new RIFF::File(sInstrumentFile);
# Line 552  QString qsamplerChannel::getInstrumentNa Line 581  QString qsamplerChannel::getInstrumentNa
581  #endif  #endif
582          sInstrumentName += " [" + QString::number(iInstrumentNr) + "]";          sInstrumentName += " [" + QString::number(iInstrumentNr) + "]";
583      }      }
584        else sInstrumentName = noInstrumentName();
585    
586      return sInstrumentName;      return sInstrumentName;
587  }  }
588    
589    
590    // Common invalid name-helpers.
591    QString qsamplerChannel::noEngineName (void)
592    {
593            return QObject::tr("(No engine)");
594    }
595    
596    QString qsamplerChannel::noInstrumentName (void)
597    {
598            return QObject::tr("(No instrument)");
599    }
600    
601    
602  // end of qsamplerChannel.cpp  // end of qsamplerChannel.cpp

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