Microtuner.h

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/*
 * Microtuner.h - manage tuning and scale information of an instrument
 *
 * Copyright (c) 2020 Martin Pavelek <he29.HS/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_MICROTUNER_H
#define LMMS_MICROTUNER_H
 
#include "AutomatableModel.h"
#include "ComboBoxModel.h"
#include "JournallingObject.h"
 
namespace lmms
{
 
class LMMS_EXPORT Microtuner : public Model, public JournallingObject
{
    Q_OBJECT
public:
    explicit Microtuner();
 
    bool enabled() const {return m_enabledModel.value();}
    bool keyRangeImport() const {return enabled() && m_keyRangeImportModel.value();}
    int currentScale() const {return m_scaleModel.value();}
    int currentKeymap() const {return m_keymapModel.value();}
 
    BoolModel *enabledModel() {return &m_enabledModel;}
    ComboBoxModel *scaleModel() {return &m_scaleModel;}
    ComboBoxModel *keymapModel() {return &m_keymapModel;}
    BoolModel *keyRangeImportModel() {return &m_keyRangeImportModel;}
 
    int firstKey() const;
    int lastKey() const;
    int baseKey() const;
    float baseFreq() const;

    float keyToFreq(int key, int userBaseNote) const;
 
    int octaveSize() const;
 
    QString nodeName() const override {return "microtuner";}
    void saveSettings(QDomDocument & document, QDomElement &element) override;
    void loadSettings(const QDomElement &element) override;
 
protected slots:
    void updateScaleList(int index);

    void updateKeymapList(int index);
 
private:
    BoolModel m_enabledModel;               
    ComboBoxModel m_scaleModel;
    ComboBoxModel m_keymapModel;
    BoolModel m_keyRangeImportModel;
 
};
 
} // namespace lmms
 
#endif // LMMS_MICROTUNER_H