Fader.h

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/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 * Copyright(c) 2008-2024 The hydrogen development team [hydrogen-devel@lists.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * 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. If not, see https://www.gnu.org/licenses
 *
 */
 
 
#ifndef FADER_H
#define FADER_H
 
 
#include <QtGui>
#include <QtWidgets>
#include <QSvgRenderer>
 
#include "WidgetWithInput.h"
 
#include <core/Object.h>
 
class Fader : public WidgetWithInput, public H2Core::Object<Fader>
{
    H2_OBJECT(Fader)
        
public:
        enum class Type {
                Normal,
                Vertical,
                Master
        };
        
        Fader( QWidget *pParent, Type type, QString sBaseTooltip, bool bUseIntSteps = false, bool bWithoutKnob = false, float fMin = 0.0, float fMax = 1.0, bool bModifyOnChange = true );
        ~Fader();
 
        void setMaxPeak( float fMax );
        void setMinPeak( float fMin );
 
        void setPeak_L( float peak );
        float getPeak_L() const {       return m_fPeakValue_L;  }
 
        void setPeak_R( float peak );
        float getPeak_R() const {       return m_fPeakValue_R;  }
 
public slots:
        void onPreferencesChanged( H2Core::Preferences::Changes changes );
 
private:
        bool m_bWithoutKnob;
        Type m_type;
        QSvgRenderer* m_pBackground;
        QSvgRenderer* m_pKnob;
 
        float m_fPeakValue_L;
        float m_fPeakValue_R;
        float m_fMinPeak;
        float m_fMaxPeak;
        
        virtual void mouseMoveEvent(QMouseEvent *ev) override;
        virtual void mousePressEvent(QMouseEvent *ev) override;
        virtual void paintEvent(QPaintEvent *ev) override;
};
#endif