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qsamplerChannel.h

// qsamplerChannel.h
//
/****************************************************************************
   Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved.

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

*****************************************************************************/

#ifndef __qsamplerChannel_h
#define __qsamplerChannel_h

#include <qobject.h>

#include <lscp/client.h>
#include <lscp/device.h>

#include "qsamplerOptions.h"

class qsamplerMainForm;


//-------------------------------------------------------------------------
// qsamplerChannel - Sampler channel structure.
//

class qsamplerChannel
{
public:

      // Constructor.
      qsamplerChannel(qsamplerMainForm *pMainForm, int iChannelID = -1);
      // Default destructor.
      ~qsamplerChannel();

      // Main application form accessor.
      qsamplerMainForm *mainForm() const;

      // Main application options accessor.
      qsamplerOptions *options() const;

      // LSCP client descriptor accessor.
      lscp_client_t * client() const;

      // Add/remove sampler channel methods.
      bool     addChannel();
      bool     removeChannel();

      // Sampler channel ID accessors.
      int      channelID() const;
      void     setChannelID(int iChannelID);

      // Readable channel name.
      QString  channelName() const;

      // Engine name property.
      const QString& engineName() const;
      bool     loadEngine(const QString& sEngineName);

      // Instrument file and index.
      const QString& instrumentFile() const;
      int      instrumentNr() const;
      const QString& instrumentName() const;
      int      instrumentStatus() const;

      // Instrument file loader.
      bool     loadInstrument(const QString& sInstrumentFile, int iInstrumentNr);
      // Special instrument file/name/number settler.
      bool     setInstrument(const QString& sInstrumentFile, int iInstrumentNr);

      // MIDI input driver (DEPRECATED).
      const QString& midiDriver() const;
      bool     setMidiDriver(const QString& sMidiDriver);

      // MIDI input device.
      int      midiDevice() const;
      bool     setMidiDevice(int iMidiDevice);

      // MIDI input port.
      int      midiPort() const;
      bool     setMidiPort(int iMidiPort);

      // MIDI input channel.
      int      midiChannel() const;
      bool     setMidiChannel(int iMidiChannel);

      // Audio output driver (DEPRECATED).
      const QString& audioDriver() const;
      bool     setAudioDriver(const QString& sAudioDriver);

      // Audio output device.
      int      audioDevice() const;
      bool     setAudioDevice(int iAudioDevice);

      // Sampler channel volume.
      float    volume() const;
      bool     setVolume(float fVolume);

      // Istrument name remapper.
      void     updateInstrumentName();

      // Channel info structure map executive.
      bool     updateChannelInfo();

      // Channel setup dialog form.
      bool     channelSetup(QWidget *pParent);

      // Reset channel method.
      bool     channelReset();

      // Message logging methods (brainlessly mapped to main form's).
      void     appendMessages       (const QString & s) const;
      void     appendMessagesColor  (const QString & s, const QString & c) const;
      void     appendMessagesText   (const QString & s) const;
      void     appendMessagesError  (const QString & s) const;
      void     appendMessagesClient (const QString & s) const;

      // Context menu event handler.
      void contextMenuEvent(QContextMenuEvent *pEvent);

      // Common (invalid) name-helpers.
      static QString noEngineName();
      static QString noInstrumentName();
      static QString loadingInstrument();

      // Check whether a given file is an instrument file.
      static bool isInstrumentFile (const QString& sInstrumentFile);

      // Retrieve the available instrument name(s) of an instrument file (.gig).
      static QString getInstrumentName (const QString& sInstrumentFile,
                                          int iInstrumentNr, bool bInstrumentNames);
      static QStringList getInstrumentList (const QString& sInstrumentFile,
                                          bool bInstrumentNames);

private:

      // Main application form reference.
      qsamplerMainForm *m_pMainForm;

      // Unique channel identifier.
      int     m_iChannelID;

      // Sampler channel info map.
      QString m_sEngineName;
      QString m_sInstrumentName;
      QString m_sInstrumentFile;
      int     m_iInstrumentNr;
      int     m_iInstrumentStatus;
      QString m_sMidiDriver;
      int     m_iMidiDevice;
      int     m_iMidiPort;
      int     m_iMidiChannel;
      QString m_sAudioDriver;
      int     m_iAudioDevice;
      float   m_fVolume;
};

#endif  // __qsamplerChannel_h


// end of qsamplerChannel.h

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