LfoController.h

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/*
 * LfoController.h - A LFO-based controller and dialog
 *
 * 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_LFO_CONTROLLER_H
#define LMMS_LFO_CONTROLLER_H
 
 
#include "AutomatableModel.h"
#include "Controller.h"
#include "ControllerDialog.h"
#include "SampleBuffer.h"
#include "TempoSyncKnobModel.h"
 
namespace lmms
{
 
namespace gui
{
 
class AutomatableButtonGroup;
class PixmapButton;
class Knob;
class TempoSyncKnob;
 
class LfoControllerDialog;
 
}
 
 
class LfoController : public Controller
{
        Q_OBJECT
public:
        LfoController( Model * _parent );
 
        ~LfoController() override;
 
        void saveSettings( QDomDocument & _doc, QDomElement & _this ) override;
        void loadSettings( const QDomElement & _this ) override;
        QString nodeName() const override;
 
 
public slots:
        gui::ControllerDialog * createDialog( QWidget * _parent ) override;
 
 
protected:
        // The internal per-controller value updating function
        void updateValueBuffer() override;
 
        FloatModel m_baseModel;
        TempoSyncKnobModel m_speedModel;
        FloatModel m_amountModel;
        FloatModel m_phaseModel;
        IntModel m_waveModel;
        IntModel m_multiplierModel;
 
        float m_duration;
        float m_phaseOffset;
        float m_currentPhase;
 
        sample_t (*m_sampleFunction)( const float );
 
private:
        float m_heldSample;
        std::shared_ptr<const SampleBuffer> m_userDefSampleBuffer = SampleBuffer::emptyBuffer();
 
protected slots:
        void updatePhase();
        void updateSampleFunction();
        void updateDuration();
 
        friend class gui::LfoControllerDialog;
 
} ;
 
namespace gui
{
 
class LfoControllerDialog : public ControllerDialog
{
        Q_OBJECT
public:
        LfoControllerDialog( Controller * _controller, QWidget * _parent );
        ~LfoControllerDialog() override;
 
 
protected:
        void contextMenuEvent( QContextMenuEvent * _me ) override;
        void modelChanged() override;
 
        LfoController * m_lfo;
 
        Knob * m_baseKnob;
        TempoSyncKnob * m_speedKnob;
        Knob * m_amountKnob;
        Knob * m_phaseKnob;
        PixmapButton * m_userLfoBtn;
        AutomatableButtonGroup * m_waveBtnGrp;
        AutomatableButtonGroup * m_multiplierBtnGrp;
 
 
private:
        PixmapButton * m_userWaveBtn;
 
private slots:
        void askUserDefWave();
 
} ;
 
 
} // namespace gui
 
} // namespace lmms
 
#endif // LMMS_LFO_CONTROLLER_H