/[svn]/qsampler/trunk/src/qsamplerChannel.cpp
ViewVC logotype

Diff of /qsampler/trunk/src/qsamplerChannel.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 295 by capela, Tue Nov 16 15:26:18 2004 UTC revision 344 by capela, Tue Jan 18 13:53:04 2005 UTC
# Line 1  Line 1 
1  // qsamplerChannel.cpp  // qsamplerChannel.cpp
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2003-2004, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved.
5    
6     This program is free software; you can redistribute it and/or     This program is free software; you can redistribute it and/or
7     modify it under the terms of the GNU General Public License     modify it under the terms of the GNU General Public License
# Line 22  Line 22 
22  #include "qsamplerChannel.h"  #include "qsamplerChannel.h"
23    
24  #include "qsamplerMainForm.h"  #include "qsamplerMainForm.h"
25    #include "qsamplerChannelForm.h"
26    
27  #include "config.h"  #include "config.h"
28    
29    #include <qfileinfo.h>
30    
31    #ifdef CONFIG_LIBGIG
32    #include "gig.h"
33    #endif
34    
35    #define QSAMPLER_INSTRUMENT_MAX 8
36    
37    
38  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
39  // qsamplerChannel - Sampler channel structure.  // qsamplerChannel - Sampler channel structure.
# Line 37  qsamplerChannel::qsamplerChannel ( qsamp Line 46  qsamplerChannel::qsamplerChannel ( qsamp
46      m_iChannelID = iChannelID;      m_iChannelID = iChannelID;
47    
48  //  m_sEngineName       = QObject::tr("(No engine)");  //  m_sEngineName       = QObject::tr("(No engine)");
49  //  m_sInstrumentFile   = QObject::tr("(No instrument)");  //  m_sInstrumentName   = QObject::tr("(No instrument)");
50    //  m_sInstrumentFile   = m_sInstrumentName;
51      m_iInstrumentNr     = -1;      m_iInstrumentNr     = -1;
52      m_iInstrumentStatus = -1;      m_iInstrumentStatus = -1;
53      m_sMidiDriver       = "Alsa";   // DEPRECATED.      m_sMidiDriver       = "Alsa";   // DEPRECATED.
# Line 160  bool qsamplerChannel::loadEngine ( const Line 170  bool qsamplerChannel::loadEngine ( const
170  }  }
171    
172    
173    // Instrument name accessor.
174    QString& qsamplerChannel::instrumentName (void)
175    {
176        return m_sInstrumentName;
177    }
178    
179  // Instrument filename accessor.  // Instrument filename accessor.
180  QString& qsamplerChannel::instrumentFile (void)  QString& qsamplerChannel::instrumentFile (void)
181  {  {
# Line 189  bool qsamplerChannel::loadInstrument ( c Line 205  bool qsamplerChannel::loadInstrument ( c
205          return false;          return false;
206      }      }
207    
208        m_sInstrumentName = getInstrumentName(sInstrumentFile, iInstrumentNr, true);
209      m_sInstrumentFile = sInstrumentFile;      m_sInstrumentFile = sInstrumentFile;
210      m_iInstrumentNr = iInstrumentNr;      m_iInstrumentNr = iInstrumentNr;
211      m_iInstrumentStatus = 0;      m_iInstrumentStatus = 0;
# Line 358  bool qsamplerChannel::updateChannelInfo Line 375  bool qsamplerChannel::updateChannelInfo
375          return false;          return false;
376      }      }
377    
378      // Cache in channel information.      // First, check if intrument name has changed,
379        // taking care that instrument name lookup might be expensive,
380        // so we better make it only once and when really needed...
381        if ((m_sInstrumentFile != pChannelInfo->instrument_file) ||
382            (m_iInstrumentNr   != pChannelInfo->instrument_nr)) {
383            m_sInstrumentFile = pChannelInfo->instrument_file;
384            m_iInstrumentNr   = pChannelInfo->instrument_nr;
385                    m_sInstrumentName = getInstrumentName(m_sInstrumentFile,
386                            m_iInstrumentNr, (options() && options()->bInstrumentNames));
387            }
388        // Cache in other channel information.
389      m_sEngineName       = pChannelInfo->engine_name;      m_sEngineName       = pChannelInfo->engine_name;
     m_sInstrumentFile   = pChannelInfo->instrument_file;  
     m_iInstrumentNr     = pChannelInfo->instrument_nr;  
390      m_iInstrumentStatus = pChannelInfo->instrument_status;      m_iInstrumentStatus = pChannelInfo->instrument_status;
391      m_iMidiDevice       = pChannelInfo->midi_device;      m_iMidiDevice       = pChannelInfo->midi_device;
392      m_iMidiPort         = pChannelInfo->midi_port;      m_iMidiPort         = pChannelInfo->midi_port;
# Line 371  bool qsamplerChannel::updateChannelInfo Line 396  bool qsamplerChannel::updateChannelInfo
396      // Some sanity checks.      // Some sanity checks.
397      if (m_sEngineName == "NONE")      if (m_sEngineName == "NONE")
398          m_sEngineName = QString::null;          m_sEngineName = QString::null;
399      if (m_sInstrumentFile == "NONE")      if (m_sInstrumentFile == "NONE") {
400          m_sInstrumentFile = QString::null;          m_sInstrumentFile = QString::null;
401            m_sInstrumentName = QString::null;
402            }
403    
404      return true;      return true;
405  }  }
# Line 394  bool qsamplerChannel::resetChannel (void Line 421  bool qsamplerChannel::resetChannel (void
421  }  }
422    
423    
424    // Channel setup dialog form.
425    bool qsamplerChannel::channelSetup ( QWidget *pParent )
426    {
427        bool bResult = false;
428    
429        qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent);
430        if (pChannelForm) {
431            pChannelForm->setup(this);
432            bResult = pChannelForm->exec();
433            delete pChannelForm;
434        }
435    
436        return bResult;
437    }
438    
439    
440  // Redirected messages output methods.  // Redirected messages output methods.
441  void qsamplerChannel::appendMessages( const QString& s )  void qsamplerChannel::appendMessages( const QString& s )
442  {  {
443      m_pMainForm->appendMessages(s);      if (m_pMainForm) m_pMainForm->appendMessages(s);
444  }  }
445    
446  void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c )  void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c )
447  {  {
448      m_pMainForm->appendMessagesColor(s, c);      if (m_pMainForm) m_pMainForm->appendMessagesColor(s, c);
449  }  }
450    
451  void qsamplerChannel::appendMessagesText( const QString& s )  void qsamplerChannel::appendMessagesText( const QString& s )
452  {  {
453      m_pMainForm->appendMessagesText(s);      if (m_pMainForm) m_pMainForm->appendMessagesText(s);
454  }  }
455    
456  void qsamplerChannel::appendMessagesError( const QString& s )  void qsamplerChannel::appendMessagesError( const QString& s )
457  {  {
458      m_pMainForm->appendMessagesError(s);      if (m_pMainForm) m_pMainForm->appendMessagesError(s);
459  }  }
460    
461  void qsamplerChannel::appendMessagesClient( const QString& s )  void qsamplerChannel::appendMessagesClient( const QString& s )
462  {  {
463      m_pMainForm->appendMessagesClient(s);      if (m_pMainForm) m_pMainForm->appendMessagesClient(s);
464    }
465    
466    
467    // Context menu event handler.
468    void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent )
469    {
470        if (m_pMainForm) m_pMainForm->contextMenuEvent(pEvent);
471    }
472    
473    
474    // Retrieve the instrument list of a instrument file (.gig).
475    QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile,
476            bool bInstrumentNames )
477    {
478        QFileInfo fileinfo(sInstrumentFile);
479        QString sInstrumentName = fileinfo.fileName();
480        QStringList instlist;
481    
482        if (fileinfo.exists()) {
483    #ifdef CONFIG_LIBGIG
484                    if (bInstrumentNames) {
485                    RIFF::File *pRiff = new RIFF::File(sInstrumentFile);
486                    gig::File  *pGig  = new gig::File(pRiff);
487                    gig::Instrument *pInstrument = pGig->GetFirstInstrument();
488                    while (pInstrument) {
489                        instlist.append((pInstrument->pInfo)->Name.c_str());
490                        pInstrument = pGig->GetNextInstrument();
491                    }
492                    delete pGig;
493                    delete pRiff;
494                    }
495                    else
496    #endif
497            for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++)
498                instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]");
499        }
500        else instlist.append(sInstrumentName);
501    
502        return instlist;
503    }
504    
505    
506    // Retrieve the spacific instrument name of a instrument file (.gig), given its index.
507    QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile,
508            int iInstrumentNr, bool bInstrumentNames )
509    {
510        QFileInfo fileinfo(sInstrumentFile);
511        QString sInstrumentName = fileinfo.fileName();
512    
513        if (fileinfo.exists()) {
514    #ifdef CONFIG_LIBGIG
515                    if (bInstrumentNames) {
516                    RIFF::File *pRiff = new RIFF::File(sInstrumentFile);
517                    gig::File  *pGig  = new gig::File(pRiff);
518                    int iIndex = 0;
519                    gig::Instrument *pInstrument = pGig->GetFirstInstrument();
520                    while (pInstrument) {
521                        if (iIndex == iInstrumentNr) {
522                            sInstrumentName = (pInstrument->pInfo)->Name.c_str();
523                            break;
524                        }
525                        iIndex++;
526                        pInstrument = pGig->GetNextInstrument();
527                    }
528                    delete pGig;
529                    delete pRiff;
530                    }
531                    else
532    #endif
533            sInstrumentName += " [" + QString::number(iInstrumentNr) + "]";
534        }
535    
536        return sInstrumentName;
537  }  }
538    
539    
Legend:
Removed from v.295  
changed lines
  Added in v.344
  ViewVC Help
Powered by ViewVC