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rosegarden/src/base/Device.h

103 lines
2.8 KiB

// -*- 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.
*/
#ifndef _DEVICE_H_
#define _DEVICE_H_
#include "XmlExportable.h"
#include "Instrument.h"
#include <string>
#include <vector>
// A Device can query underlying hardware/sound APIs to
// generate a list of Instruments.
//
namespace Rosegarden
{
typedef unsigned int DeviceId;
class Instrument;
typedef std::vector<Instrument *> InstrumentList;
class Device : public XmlExportable
{
public:
typedef enum
{
Midi,
Audio,
SoftSynth
} DeviceType;
// special device ids
static const DeviceId NO_DEVICE;
static const DeviceId ALL_DEVICES;
static const DeviceId CONTROL_DEVICE;
Device(DeviceId id, const std::string &name, DeviceType type):
m_name(name), m_type(type), m_id(id) { }
virtual ~Device()
{
InstrumentList::iterator it = m_instruments.begin();
for (; it != m_instruments.end(); it++)
delete (*it);
m_instruments.erase(m_instruments.begin(), m_instruments.end());
}
void setType(DeviceType type) { m_type = type; }
DeviceType getType() const { return m_type; }
void setName(const std::string &name) { m_name = name; }
std::string getName() const { return m_name; }
void setId(DeviceId id) { m_id = id; }
DeviceId getId() const { return m_id; }
// Accessing instrument lists - Devices should only
// show the world what they want it to see
//
virtual void addInstrument(Instrument*) = 0;
// Two functions - one to return all Instruments on a
// Device - one to return all Instruments that a user
// is allowed to select (Presentation Instruments).
//
virtual InstrumentList getAllInstruments() const = 0;
virtual InstrumentList getPresentationInstruments() const = 0;
std::string getConnection() const { return m_connection; }
void setConnection(std::string connection) { m_connection = connection; }
protected:
InstrumentList m_instruments;
std::string m_name;
DeviceType m_type;
DeviceId m_id;
std::string m_connection;
};
}
#endif // _DEVICE_H_