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146 lines
4.5 KiB
146 lines
4.5 KiB
/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#include "ModifyDeviceMappingCommand.h"
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#include "misc/Debug.h"
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#include "base/Composition.h"
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#include "base/Device.h"
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#include "base/Instrument.h"
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#include "base/MidiProgram.h"
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#include "base/Studio.h"
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#include "base/Track.h"
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#include "document/RosegardenGUIDoc.h"
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#include <tqstring.h>
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namespace Rosegarden
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{
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ModifyDeviceMappingCommand::ModifyDeviceMappingCommand(
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RosegardenGUIDoc *doc,
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DeviceId fromDevice,
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DeviceId toDevice):
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KNamedCommand(getGlobalName()),
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m_composition(&doc->getComposition()),
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m_studio(&doc->getStudio()),
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m_fromDevice(fromDevice),
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m_toDevice(toDevice)
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{}
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void
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ModifyDeviceMappingCommand::execute()
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{
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Composition::trackcontainer &tracks =
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m_composition->getTracks();
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Composition::trackcontainer::iterator it = tracks.begin();
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Instrument *instr = 0;
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int index = 0;
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for (; it != tracks.end(); it++) {
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instr = m_studio->getInstrumentById(it->second->getInstrument());
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if (!instr || !instr->getDevice())
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continue;
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if (instr->getDevice()->getId() == m_fromDevice) {
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// if source and target are MIDI
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if (m_studio->getDevice(m_fromDevice)->getType() ==
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Device::Midi &&
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m_studio->getDevice(m_toDevice)->getType() ==
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Device::Midi) {
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// Try to match channels on the target device
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//
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MidiByte channel = instr->getMidiChannel();
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InstrumentList destList = m_studio->
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getDevice(m_toDevice)->getPresentationInstruments();
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InstrumentList::iterator dIt = destList.begin();
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for (; dIt != destList.end(); dIt++) {
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if ((*dIt)->getMidiChannel() == channel) {
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break;
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}
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}
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// Failure to match anything and there's no Instruments
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// at all in the destination. Skip to next source Instrument.
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//
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if (dIt == destList.end() || destList.size() == 0)
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continue;
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RG_DEBUG << " Track " << it->first
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<< ", setting Instrument to "
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<< (*dIt)->getId() << endl;
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// store "to" and "from" values
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//
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m_mapping.push_back(
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std::pair < TrackId,
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InstrumentId >
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(it->first,
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instr->getId()));
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it->second->setInstrument((*dIt)->getId());
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} else // audio is involved in the mapping - use indexes
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{
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// assign by index numbers
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InstrumentList destList = m_studio->
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getDevice(m_toDevice)->getPresentationInstruments();
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// skip if we can't match
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//
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if (index > (int)(destList.size() - 1))
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continue;
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m_mapping.push_back(
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std::pair < TrackId,
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InstrumentId >
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(it->first,
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instr->getId()));
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it->second->setInstrument(destList[index]->getId());
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}
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index++;
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}
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}
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}
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void
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ModifyDeviceMappingCommand::unexecute()
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{
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std::vector<std::pair<TrackId, InstrumentId> >
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::iterator it = m_mapping.begin();
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Track *track = 0;
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for (; it != m_mapping.end(); it++) {
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track = m_composition->getTrackById(it->first);
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track->setInstrument(it->second);
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}
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}
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}
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