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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
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. See the file
COPYING included with this distribution for more information.
*/
#ifndef LEVEL_PAN_TOOLBUTTON_H
#define LEVEL_PAN_TOOLBUTTON_H
#include <QToolButton>
class LevelPanWidget;
class LevelPanToolButton : public QToolButton
{
Q_OBJECT
public:
LevelPanToolButton(QWidget *parent = 0);
~LevelPanToolButton();
/// Return level as a gain value in the range [0,1]
float getLevel() const;
/// Return pan as a value in the range [-1,1]
float getPan() const;
/// Discover whether the level range includes muting or not
bool includesMute() const;
void setImageSize(int pixels);
void setBigImageSize(int pixels);
public slots:
/// Set level in the range [0,1] -- will be rounded
void setLevel(float);
/// Set pan in the range [-1,1] -- will be rounded
void setPan(float);
/// Specify whether the level range should include muting or not
void setIncludeMute(bool);
void setEnabled(bool enabled);
signals:
void levelChanged(float);
void panChanged(float);
private slots:
void selfLevelChanged(float);
void selfClicked();
protected:
void paintEvent(QPaintEvent *);
LevelPanWidget *m_lpw;
int m_pixels;
int m_pixelsBig;
bool m_muted;
float m_savedLevel;
};
#endif
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