MidiWinMM.h

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/*
 * MidiWinMM.h - WinMM MIDI client
 *
 * Copyright (c) 2008-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_MIDI_WINMM_H
#define LMMS_MIDI_WINMM_H
 
#include "lmmsconfig.h"
 
#ifdef LMMS_HAVE_WINMM
#include <windows.h>
#include <mmsystem.h>
 
#include "MidiClient.h"
#include "MidiPort.h"
 
 
class QLineEdit;
 
 
namespace lmms
{
 
 
class MidiWinMM : public QObject, public MidiClient
{
    Q_OBJECT
public:
    MidiWinMM();
    virtual ~MidiWinMM();
 
    inline static QString probeDevice()
    {
        return QString(); // no midi device name
    }
 
 
    inline static QString name()
    {
        return QT_TRANSLATE_NOOP( "MidiSetupWidget", "WinMM MIDI" );
    }
 
    inline static QString configSection()
    {
        return QString(); // no configuration settings
    }
 
 
 
    virtual void processOutEvent( const MidiEvent & _me,
                        const TimePos & _time,
                        const MidiPort * _port );
 
    virtual void applyPortMode( MidiPort * _port );
    virtual void removePort( MidiPort * _port );
 
 
    // list devices as ports
    virtual QStringList readablePorts() const
    {
        return m_inputDevices.values();
    }
 
    virtual QStringList writablePorts() const
    {
        return m_outputDevices.values();
    }
 
    // return name of port which specified MIDI event came from
    virtual QString sourcePortName( const MidiEvent & ) const;
 
    // (un)subscribe given MidiPort to/from destination-port
    virtual void subscribeReadablePort( MidiPort * _port,
                        const QString & _dest,
                        bool _subscribe = true );
    virtual void subscribeWritablePort( MidiPort * _port,
                        const QString & _dest,
                        bool _subscribe = true );
    virtual void connectRPChanged( QObject * _receiver,
                            const char * _member )
    {
        connect( this, SIGNAL( readablePortsChanged() ),
                            _receiver, _member );
    }
 
    virtual void connectWPChanged( QObject * _receiver,
                            const char * _member )
    {
        connect( this, SIGNAL( writablePortsChanged() ),
                            _receiver, _member );
    }
 
    virtual bool isRaw() const
    {
        return false;
    }
 
 
private:// slots:
    void updateDeviceList();
 
 
private:
    void openDevices();
    void closeDevices();
 
    static void WINAPI CALLBACK inputCallback( HMIDIIN _hm, UINT _msg,
                        DWORD_PTR _inst,
                        DWORD_PTR _param1,
                            DWORD_PTR _param2 );
    void handleInputEvent( HMIDIIN _hm, DWORD _ev );
 
    QMap<HMIDIIN, QString> m_inputDevices;
    QMap<HMIDIOUT, QString> m_outputDevices;
 
    // subscriptions
    using SubMap = QMap<QString, MidiPortList>;
    SubMap m_inputSubs;
    SubMap m_outputSubs;
 
 
signals:
    void readablePortsChanged();
    void writablePortsChanged();
 
} ;
 
 
} // namespace lmms
 
#endif // LMMS_HAVE_WINMM
 
#endif // LMMS_MIDI_WINMM_H