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/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <[email protected]>,
Chris Cannam <[email protected]>,
Richard Bown <[email protected]>
The moral rights of Guillaume Laurent, Chris Cannam, and Richard
Bown to claim authorship of this work have been asserted.
Other copyrights also apply to some parts of this work. Please
see the AUTHORS file and individual file headers for details.
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 "ModifyDeviceMappingCommand.h"
#include "misc/Debug.h"
#include "base/Composition.h"
#include "base/Device.h"
#include "base/Instrument.h"
#include "base/MidiProgram.h"
#include "base/Studio.h"
#include "base/Track.h"
#include "document/RosegardenGUIDoc.h"
#include <tqstring.h>
namespace Rosegarden
{
ModifyDeviceMappingCommand::ModifyDeviceMappingCommand(
RosegardenGUIDoc *doc,
DeviceId fromDevice,
DeviceId toDevice):
KNamedCommand(getGlobalName()),
m_composition(&doc->getComposition()),
m_studio(&doc->getStudio()),
m_fromDevice(fromDevice),
m_toDevice(toDevice)
{}
void
ModifyDeviceMappingCommand::execute()
{
Composition::trackcontainer &tracks =
m_composition->getTracks();
Composition::trackcontainer::iterator it = tracks.begin();
Instrument *instr = 0;
int index = 0;
for (; it != tracks.end(); it++) {
instr = m_studio->getInstrumentById(it->second->getInstrument());
if (!instr || !instr->getDevice())
continue;
if (instr->getDevice()->getId() == m_fromDevice) {
// if source and target are MIDI
if (m_studio->getDevice(m_fromDevice)->getType() ==
Device::Midi &&
m_studio->getDevice(m_toDevice)->getType() ==
Device::Midi) {
// Try to match channels on the target device
//
MidiByte channel = instr->getMidiChannel();
InstrumentList destList = m_studio->
getDevice(m_toDevice)->getPresentationInstruments();
InstrumentList::iterator dIt = destList.begin();
for (; dIt != destList.end(); dIt++) {
if ((*dIt)->getMidiChannel() == channel) {
break;
}
}
// Failure to match anything and there's no Instruments
// at all in the destination. Skip to next source Instrument.
//
if (dIt == destList.end() || destList.size() == 0)
continue;
RG_DEBUG << " Track " << it->first
<< ", setting Instrument to "
<< (*dIt)->getId() << endl;
// store "to" and "from" values
//
m_mapping.push_back(
std::pair < TrackId,
InstrumentId >
(it->first,
instr->getId()));
it->second->setInstrument((*dIt)->getId());
} else // audio is involved in the mapping - use indexes
{
// assign by index numbers
InstrumentList destList = m_studio->
getDevice(m_toDevice)->getPresentationInstruments();
// skip if we can't match
//
if (index > (int)(destList.size() - 1))
continue;
m_mapping.push_back(
std::pair < TrackId,
InstrumentId >
(it->first,
instr->getId()));
it->second->setInstrument(destList[index]->getId());
}
index++;
}
}
}
void
ModifyDeviceMappingCommand::unexecute()
{
std::vector<std::pair<TrackId, InstrumentId> >
::iterator it = m_mapping.begin();
Track *track = 0;
for (; it != m_mapping.end(); it++) {
track = m_composition->getTrackById(it->first);
track->setInstrument(it->second);
}
}
}
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