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_BUILD_WIN32
#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_BUILD_WIN32
 
#endif // LMMS_MIDI_WINMM_H