lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef FADER_H
lbajardsilogic@0: #define FADER_H
lbajardsilogic@0: 
lbajardsilogic@0: /**
lbajardsilogic@0:  * Horizontal audio fader and meter widget.
lbajardsilogic@0:  * Based on the vertical fader and meter widget from:
lbajardsilogic@0:  * 
lbajardsilogic@0:  * Hydrogen
lbajardsilogic@0:  * Copyright(c) 2002-2005 by Alex >Comix< Cominu [comix@users.sourceforge.net]
lbajardsilogic@0:  * http://www.hydrogen-music.org
lbajardsilogic@0:  */
lbajardsilogic@0: 
lbajardsilogic@0: 
lbajardsilogic@0: #include <string>
lbajardsilogic@0: #include <iostream>
lbajardsilogic@0: 
lbajardsilogic@0: #include <QWidget>
lbajardsilogic@0: #include <QPixmap>
lbajardsilogic@0: #include <QMouseEvent>
lbajardsilogic@0: #include <QWheelEvent>
lbajardsilogic@0: #include <QPaintEvent>
lbajardsilogic@0: 
lbajardsilogic@0: class Fader : public QWidget
lbajardsilogic@0: {
lbajardsilogic@0:     Q_OBJECT
lbajardsilogic@0: 
lbajardsilogic@0: public:
lbajardsilogic@0:     Fader(QWidget *parent, bool withoutKnob = false);
lbajardsilogic@0:     ~Fader();
lbajardsilogic@0: 
lbajardsilogic@0:     void setValue(float newValue);
lbajardsilogic@0:     float getValue();
lbajardsilogic@0: 
lbajardsilogic@0:     void setPeakLeft(float);
lbajardsilogic@0:     float getPeakLeft() { return m_peakLeft; }
lbajardsilogic@0: 
lbajardsilogic@0:     void setPeakRight(float);
lbajardsilogic@0:     float getPeakRight() { return m_peakRight; }
lbajardsilogic@0: 
lbajardsilogic@0: signals:
lbajardsilogic@0:     void valueChanged(float); // 0.0 -> 1.0
lbajardsilogic@0: 
lbajardsilogic@0:     void mouseEntered();
lbajardsilogic@0:     void mouseLeft();
lbajardsilogic@0: 
lbajardsilogic@0: protected:
lbajardsilogic@0:     virtual void mousePressEvent(QMouseEvent *ev);
lbajardsilogic@0:     virtual void mouseDoubleClickEvent(QMouseEvent *ev);
lbajardsilogic@0:     virtual void mouseMoveEvent(QMouseEvent *ev);
lbajardsilogic@0:     virtual void mouseReleaseEvent(QMouseEvent *ev);
lbajardsilogic@0:     virtual void wheelEvent( QWheelEvent *ev );
lbajardsilogic@0:     virtual void paintEvent(QPaintEvent *ev);
lbajardsilogic@0:     virtual void enterEvent(QEvent *);
lbajardsilogic@0:     virtual void leaveEvent(QEvent *);
lbajardsilogic@0: 
lbajardsilogic@0:     int getMaxX() const;
lbajardsilogic@0: 
lbajardsilogic@0:     bool m_withoutKnob;
lbajardsilogic@0:     float m_value;
lbajardsilogic@0:     float m_peakLeft;
lbajardsilogic@0:     float m_peakRight;
lbajardsilogic@0: 
lbajardsilogic@0:     bool m_mousePressed;
lbajardsilogic@0:     int m_mousePressX;
lbajardsilogic@0:     float m_mousePressValue;
lbajardsilogic@0: 
lbajardsilogic@0:     QPixmap m_back;
lbajardsilogic@0:     QPixmap m_leds;
lbajardsilogic@0:     QPixmap m_knob;
lbajardsilogic@0:     QPixmap m_clip;
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: #endif