PeakController.h

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/*
 * PeakController.h - peak-controller class
 *
 * Copyright (c) 2008-2009 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_PEAK_CONTROLLER_H
#define LMMS_PEAK_CONTROLLER_H
 
#include "Controller.h"
#include "ControllerDialog.h"
 
class QWidget;
 
namespace lmms
{
 
 
class PeakControllerEffect;
 
using PeakControllerEffectVector = std::vector<PeakControllerEffect*>;
 
class LMMS_EXPORT PeakController : public Controller
{
        Q_OBJECT
public:
        PeakController( Model * _parent,
                PeakControllerEffect *_peak_effect = nullptr );
 
 
        ~PeakController() override;
 
        void saveSettings( QDomDocument & _doc, QDomElement & _this ) override;
        void loadSettings( const QDomElement & _this ) override;
        QString nodeName() const override;
 
        static void initGetControllerBySetting();
        static PeakController * getControllerBySetting( const QDomElement & _this );
 
        static PeakControllerEffectVector s_effects;
 
 
public slots:
        gui::ControllerDialog * createDialog( QWidget * _parent ) override;
        void handleDestroyedEffect();
        void updateCoeffs();
 
protected:
        // The internal per-controller get-value function
        void updateValueBuffer() override;
 
        PeakControllerEffect * m_peakEffect;
 
        friend class PeakControllerDialog;
 
private:
        float m_currentSample;
        //backward compatibility for <= 0.4.15
        static int m_getCount;
        static int m_loadCount;
        static bool m_buggedFile;
        
        float m_attackCoeff;
        float m_decayCoeff;
        bool m_coeffNeedsUpdate;
} ;
 
namespace gui
{
 
class PeakControllerDialog : public ControllerDialog
{
        Q_OBJECT
public:
        PeakControllerDialog( Controller * _controller, QWidget * _parent );
        ~PeakControllerDialog() override = default;
 
protected:
        void contextMenuEvent( QContextMenuEvent * _me ) override;
        void paintEvent( QPaintEvent * _pe ) override;
        void modelChanged() override;
 
        PeakController * m_peakController;
 
};
 
 
} // namespace gui
 
} // namespace lmms
 
#endif // LMMS_PEAK_CONTROLLER_H