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// -*- c-basic-offset: 4 -*-

/*
    Rosegarden
    A sequencer and musical notation editor.

    This program is Copyright 2000-2008
        Guillaume Laurent   <glaurent@telegraph-road.org>,
        Chris Cannam        <cannam@all-day-breakfast.com>,
        Richard Bown        <bownie@bownie.com>

    The moral right of the authors to claim authorship of this work
    has been asserted.

    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.  See the file
    COPYING included with this distribution for more information.
*/

#include "SoftSynthDevice.h"
#include "Instrument.h"
#include "MidiTypes.h"

#include <cstdio>
#include <cstdlib>


#if (__GNUC__ < 3)
#include <strstream>
#define stringstream strstream
#else
#include <sstream>
#endif


namespace Rosegarden
{

ControlList
SoftSynthDevice::m_controlList;

SoftSynthDevice::SoftSynthDevice() :
    Device(0, "Default Soft Synth Device", Device::SoftSynth)
{
    checkControlList();
}

SoftSynthDevice::SoftSynthDevice(DeviceId id, const std::string &name) :
    Device(id, name, Device::SoftSynth)
{
    checkControlList();
}


SoftSynthDevice::SoftSynthDevice(const SoftSynthDevice &dev) :
    Device(dev.getId(), dev.getName(), dev.getType()),
    Controllable()
{
    // Copy the instruments
    //
    InstrumentList insList = dev.getAllInstruments();
    InstrumentList::iterator iIt = insList.begin();
    for (; iIt != insList.end(); iIt++)
        m_instruments.push_back(new Instrument(**iIt));
}

SoftSynthDevice::~SoftSynthDevice()
{
}

void
SoftSynthDevice::checkControlList()
{
    // Much as MidiDevice::generateDefaultControllers

    static std::string controls[][9] = {
        { "Pan", Rosegarden::Controller::EventType, "<none>", "0", "127", "64", "10", "2", "0" },
        { "Chorus", Rosegarden::Controller::EventType, "<none>", "0", "127", "0", "93", "3", "1" },
        { "Volume", Rosegarden::Controller::EventType, "<none>", "0", "127", "0", "7", "1", "2" },
        { "Reverb", Rosegarden::Controller::EventType, "<none>", "0", "127", "0", "91", "3", "3" },
        { "Sustain", Rosegarden::Controller::EventType, "<none>", "0", "127", "0", "64", "4", "-1" },
        { "Expression", Rosegarden::Controller::EventType, "<none>", "0", "127", "100", "11", "2", "-1" },
        { "Modulation", Rosegarden::Controller::EventType, "<none>", "0", "127", "0", "1", "4", "-1" },
        { "PitchBend", Rosegarden::PitchBend::EventType, "<none>", "0", "16383", "8192", "1", "4", "-1" }
    };

    if (m_controlList.empty()) {
	
	for (unsigned int i = 0; i < sizeof(controls) / sizeof(controls[0]); ++i) {

	    Rosegarden::ControlParameter con(controls[i][0],
					     controls[i][1],
					     controls[i][2],
					     atoi(controls[i][3].c_str()),
					     atoi(controls[i][4].c_str()),
					     atoi(controls[i][5].c_str()),
					     Rosegarden::MidiByte(atoi(controls[i][6].c_str())),
					     atoi(controls[i][7].c_str()),
					     atoi(controls[i][8].c_str()));
	    m_controlList.push_back(con);
	}
    }
}

const ControlParameter *
SoftSynthDevice::getControlParameter(int index) const
{
    if (index >= 0 && ((unsigned int)index) < m_controlList.size())
        return &m_controlList[index];
    return 0;
}

const ControlParameter *
SoftSynthDevice::getControlParameter(const std::string &type,
				     Rosegarden::MidiByte controllerValue) const
{
    ControlList::iterator it = m_controlList.begin();

    for (; it != m_controlList.end(); ++it)
    {
        if (it->getType() == type)
        {
            // Return matched on type for most events
            //
            if (type != Rosegarden::Controller::EventType) 
                return &*it;
            
            // Also match controller value for Controller events
            //
            if (it->getControllerValue() == controllerValue)
                return  &*it;
        }
    }

    return 0;
}

std::string
SoftSynthDevice::toXmlString()
{
    std::stringstream ssiDevice;
    InstrumentList::iterator iit;

    ssiDevice << "    <device id=\""  << m_id
                << "\" name=\""         << m_name
                << "\" type=\"softsynth\">" << std::endl;

    for (iit = m_instruments.begin(); iit != m_instruments.end(); ++iit)
        ssiDevice << (*iit)->toXmlString();

    ssiDevice << "    </device>"
#if (__GNUC__ < 3)
                << std::endl << std::ends;
#else
                << std::endl;
#endif

   return ssiDevice.str();
}


// Add to instrument list
//
void
SoftSynthDevice::addInstrument(Instrument *instrument)
{
    m_instruments.push_back(instrument);
}

}