MidiController.h

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/*
 * MidiController.h - A controller to receive MIDI control-changes
 *
 * Copyright (c) 2008 Paul Giblock <drfaygo/at/gmail.com>
 * 
 * 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_CONTROLLER_H
#define LMMS_MIDI_CONTROLLER_H
 
#include <QWidget>
 
#include "AutomatableModel.h"
#include "Controller.h"
#include "MidiEventProcessor.h"
#include "MidiPort.h"
 
 
namespace lmms
{
 
class MidiPort;
 
namespace gui
{
class ControllerConnectionDialog;
}
 
 
class MidiController : public Controller, public MidiEventProcessor
{
        Q_OBJECT
public:
        static constexpr int NONE = -1;
        MidiController( Model * _parent );
        ~MidiController() override = default;
 
        void processInEvent( const MidiEvent & _me,
                                        const TimePos & _time, f_cnt_t offset = 0 ) override;
 
        void processOutEvent( const MidiEvent& _me,
                                        const TimePos & _time, f_cnt_t offset = 0 ) override
        {
                // No output yet
        }
 
        void saveSettings( QDomDocument & _doc, QDomElement & _this ) override;
        void loadSettings( const QDomElement & _this ) override;
        QString nodeName() const override;
 
        // Used by controllerConnectionDialog to copy
        void subscribeReadablePorts( const MidiPort::Map & _map );
 
 
public slots:
        gui::ControllerDialog* createDialog( QWidget * _parent ) override;
        void updateName();
 
 
protected:
        // The internal per-controller get-value function
        void updateValueBuffer() override;
 
 
        MidiPort m_midiPort;
 
 
        float m_lastValue;
        float m_previousValue;
 
        friend class gui::ControllerConnectionDialog;
        friend class AutoDetectMidiController;
 
} ;
 
 
} // namespace lmms
 
#endif // LMMS_MIDI_CONTROLLER_H