LadspaControl.h

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/*
 * LadspaControl.h - model for controlling a LADSPA port
 *
 * Copyright (c) 2008-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 * Copyright (c) 2006-2008 Danny McRae <khjklujn/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_LADSPA_CONTROL_H
#define LMMS_LADSPA_CONTROL_H
 
#include <ladspa.h>
 
#include "AutomatableModel.h"
#include "TempoSyncKnobModel.h"
#include "ValueBuffer.h"
 
namespace lmms
{
 
struct port_desc_t;
 
namespace gui
{
 
class LadspaControlView;
class LadspaMatrixControlDialog;
 
} // namespace gui
 
 
class LMMS_EXPORT LadspaControl : public Model, public JournallingObject
{
        Q_OBJECT
public:
        LadspaControl( Model * _parent, port_desc_t * _port,
                                                        bool _link = false );
        ~LadspaControl() override = default;
 
        LADSPA_Data value();
        ValueBuffer * valueBuffer();
        void setValue( LADSPA_Data _value );
        void setLink( bool _state );
 
        void linkControls( LadspaControl * _control );
        void unlinkControls( LadspaControl * _control );
 
        inline BoolModel * toggledModel()
        {
                return &m_toggledModel;
        }
 
        inline FloatModel * knobModel()
        {
                return &m_knobModel;
        }
 
        inline TempoSyncKnobModel * tempoSyncKnobModel()
        {
                return &m_tempoSyncKnobModel;
        }
 
        inline port_desc_t * port()
        {
                return m_port;
        }
 
        virtual void saveSettings( QDomDocument & _doc, QDomElement & _parent, const QString & _name );
        virtual void loadSettings( const QDomElement & _this, const QString & _name );
        inline QString nodeName() const override
        {
                return "port";
        }
 
 
signals:
        void changed( int _port, LADSPA_Data _value );
        void linkChanged( int _port, bool _state );
 
 
protected slots:
        void ledChanged();
        void knobChanged();
        void tempoKnobChanged();
        void linkStateChanged();
 
protected:
        void saveSettings( QDomDocument& doc, QDomElement& element ) override
        {
                Q_UNUSED(doc)
                Q_UNUSED(element)
        }
 
        void loadSettings( const QDomElement& element ) override
        {
                Q_UNUSED(element)
        }
 
 
 
private:
        bool m_link;
        port_desc_t * m_port;
 
        BoolModel m_linkEnabledModel;
        BoolModel m_toggledModel;
        FloatModel m_knobModel;
        TempoSyncKnobModel m_tempoSyncKnobModel;
 
 
        friend class gui::LadspaControlView;
        friend class gui::LadspaMatrixControlDialog;
 
} ;
 
 
} // namespace lmms
 
#endif // LMMS_LADSPA_CONTROL_H