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/***************************************************************************
VolumeDialog.h - dialog for the "volume" plugin
-------------------
begin : Sun Oct 27 2002
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef VOLUME_DIALOG_H
#define VOLUME_DIALOG_H
#include "config.h"
#include <QDialog>
#include <QObject>
#include <QString>
#include "ui_VolumeDlg.h"
namespace Kwave
{
class OverViewCache;
class VolumeDialog: public QDialog,
public Ui::VolumeDlg
{
Q_OBJECT
public:
/** Constructor */
VolumeDialog(QWidget *parent, Kwave::OverViewCache *overview_cache);
/** Destructor */
~VolumeDialog() override;
/** Returns the parameters as string list */
QStringList params();
/** Sets the from a list of parameters */
void setParams(QStringList ¶ms);
protected slots:
/** called when the mode radio buttons changed */
void modeChanged(bool);
/** called when the slider's position has changed */
void sliderChanged(int pos);
/** called when the spinbox value has changed */
void spinboxChanged(int pos);
private slots:
/** invoke the online help */
void invokeHelp();
protected:
/**
* Mode for amplification selection
* by factor (x1, x2, x5,...), by percentage or by decibel
*/
typedef enum {
MODE_FACTOR = 0,
MODE_PERCENT = 1,
MODE_DECIBEL = 2
} Mode;
/** Sets a new volume selection mode */
void setMode(Mode mode);
/** Update the slider position and the spinbox value */
void updateDisplay(double value);
private:
/** amplification factor */
double m_factor;
/**
* current mode for amplification selection
*/
Mode m_mode;
/** if false, ignore the signals of slider and spinbox */
bool m_enable_updates;
/** overview cache for calculating the preview image */
Kwave::OverViewCache *m_overview_cache;
};
}
#endif /* VOLUME_DIALOG_H */
//***************************************************************************
//***************************************************************************
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