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127 lines
4.0 KiB
127 lines
4.0 KiB
/*
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Rosegarden
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A 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 <bownie@bownie.com>
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The moral right of the authors to claim authorship of this work
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has been asserted.
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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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#ifndef _CONTROLBLOCK_H_
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#define _CONTROLBLOCK_H_
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#include "MidiProgram.h"
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#include "Track.h"
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namespace Rosegarden
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{
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/**
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* ONLY PUT PLAIN DATA HERE - NO POINTERS EVER
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*/
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struct TrackInfo
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{
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bool deleted;
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bool muted;
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bool armed;
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char channelFilter;
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DeviceId deviceFilter;
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InstrumentId instrumentId;
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};
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#define CONTROLBLOCK_MAX_NB_TRACKS 1024 // can't be a symbol
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/**
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* Sequencer control block, mmapped by the GUI
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*/
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class ControlBlock
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{
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public:
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/// ctor for GUI
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ControlBlock(unsigned int maxTrackId);
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/// ctor for sequencer - all data is read from mmapped file
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ControlBlock();
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unsigned int getMaxTrackId() const { return m_maxTrackId; }
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void updateTrackData(Track*);
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void setInstrumentForTrack(TrackId trackId, InstrumentId);
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InstrumentId getInstrumentForTrack(TrackId trackId) const;
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void setTrackArmed(TrackId trackId, bool);
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bool isTrackArmed(TrackId trackId) const;
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void setTrackMuted(TrackId trackId, bool);
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bool isTrackMuted(TrackId trackId) const;
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void setTrackDeleted(TrackId trackId, bool);
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bool isTrackDeleted(TrackId trackId) const;
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void setTrackChannelFilter(TrackId trackId, char);
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char getTrackChannelFilter(TrackId trackId) const;
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void setTrackDeviceFilter(TrackId trackId, DeviceId);
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DeviceId getTrackDeviceFilter(TrackId trackId) const;
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bool isInstrumentMuted(InstrumentId instrumentId) const;
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bool isInstrumentUnused(InstrumentId instrumentId) const;
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void setInstrumentForMetronome(InstrumentId instId) { m_metronomeInfo.instrumentId = instId; }
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InstrumentId getInstrumentForMetronome() const { return m_metronomeInfo.instrumentId; }
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void setMetronomeMuted(bool mute) { m_metronomeInfo.muted = mute; }
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bool isMetronomeMuted() const { return m_metronomeInfo.muted; }
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bool isSolo() const { return m_solo; }
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void setSolo(bool value) { m_solo = value; }
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TrackId getSelectedTrack() const { return m_selectedTrack; }
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void setSelectedTrack(TrackId track) { m_selectedTrack = track; }
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void setThruFilter(MidiFilter filter) { m_thruFilter = filter; }
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MidiFilter getThruFilter() const { return m_thruFilter; }
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void setRecordFilter(MidiFilter filter) { m_recordFilter = filter; }
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MidiFilter getRecordFilter() const { return m_recordFilter; }
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void setMidiRoutingEnabled(bool enabled) { m_routing = enabled; }
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bool isMidiRoutingEnabled() const { return m_routing; }
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/**
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* Gets an InstrumentId for the given DeviceId and Channel. If there
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* is an armed track having a matching device and channel filters,
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* this method returns the instrument assigned to the track, even if
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* there are more tracks matching the same filters. If there is not a
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* single match, it returns the instrument assigned to the selected
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* track.
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*/
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InstrumentId getInstrumentForEvent(unsigned int dev,
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unsigned int chan);
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protected:
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//--------------- Data members ---------------------------------
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// PUT ONLY PLAIN DATA HERE - NO POINTERS EVER
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unsigned int m_maxTrackId;
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bool m_solo;
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bool m_routing;
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MidiFilter m_thruFilter;
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MidiFilter m_recordFilter;
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TrackId m_selectedTrack;
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TrackInfo m_metronomeInfo;
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TrackInfo m_trackInfo[CONTROLBLOCK_MAX_NB_TRACKS]; // should be high enough for the moment
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};
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}
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#endif
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