TempoSyncKnobModel.h

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/*
 * TempoSyncKnobModel.h - adds bpm to ms conversion for knob class
 *
 * Copyright (c) 2005-2008 Danny McRae <khjklujn/at/yahoo.com>
 * Copyright (c) 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_TEMPO_SYNC_KNOB_MODEL_H
#define LMMS_TEMPO_SYNC_KNOB_MODEL_H
 
#include "MeterModel.h"
 
class QAction;
 
namespace lmms
{
 
namespace gui
{
 
class TempoSyncKnob;
 
} // namespace gui
 
 
class LMMS_EXPORT TempoSyncKnobModel : public FloatModel
{
        Q_OBJECT
        MODEL_IS_VISITABLE
public:
        enum class SyncMode
        {
                None,
                DoubleWholeNote,
                WholeNote,
                HalfNote,
                QuarterNote,
                EighthNote,
                SixteenthNote,
                ThirtysecondNote,
                Custom
        } ;
 
        TempoSyncKnobModel( const float _val, const float _min,
                                const float _max, const float _step,
                                const float _scale, Model * _parent,
                                const QString & _display_name = QString() );
        ~TempoSyncKnobModel() override = default;
 
        void saveSettings( QDomDocument & _doc, QDomElement & _this, const QString& name ) override;
        void loadSettings( const QDomElement & _this, const QString& name ) override;
 
        SyncMode syncMode() const
        {
                return m_tempoSyncMode;
        }
 
        void setSyncMode( SyncMode _new_mode );
 
        float scale() const
        {
                return m_scale;
        }
 
        void setScale( float _new_scale );
 
        MeterModel & getCustomMeterModel() { return m_custom; }
        MeterModel const & getCustomMeterModel() const { return m_custom; }
 
signals:
        void syncModeChanged( lmms::TempoSyncKnobModel::SyncMode _new_mode );
        void scaleChanged( float _new_scale );
 
 
public slots:
        inline void disableSync()
        {
                setTempoSync( SyncMode::None );
        }
        void setTempoSync( SyncMode _note_type );
        void setTempoSync( QAction * _item );
 
 
protected slots:
        void calculateTempoSyncTime( lmms::bpm_t _bpm );
        void updateCustom();
 
 
private:
        SyncMode m_tempoSyncMode;
        SyncMode m_tempoLastSyncMode;
        float m_scale;
 
        MeterModel m_custom;
 
 
        friend class gui::TempoSyncKnob;
 
} ;
 
} // namespace lmms
 
#endif // LMMS_TEMPO_SYNC_KNOB_MODEL_H