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/***************************************************************************
PitchShiftDialog.h - dialog for the "pitch_shift" plugin
-------------------
begin : Sun Mar 23 2003
copyright : (C) 2003 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 PITCH_SHIFT_DIALOG_H
#define PITCH_SHIFT_DIALOG_H
#include "config.h"
#include <QDialog>
#include <QObject>
#include <QString>
#include "libkwave/PluginSetupDialog.h"
#include "ui_PitchShiftDlg.h"
namespace Kwave
{
class PitchShiftDialog: public QDialog,
public Ui::PitchShiftDlg,
public Kwave::PluginSetupDialog
{
Q_OBJECT
public:
/** Constructor */
explicit PitchShiftDialog(QWidget *parent);
/** Destructor */
~PitchShiftDialog() override;
/** Returns the parameters as string list */
QStringList params() override;
/** Sets the from a list of parameters */
void setParams(QStringList ¶ms) override;
/** retruns a pointer to this as a QDialog */
QDialog *dialog() override { return this; }
signals:
/**
* Emitted whenever the speed or the frequency changes
* @param speed the speed factor, floating point
* @param freq the frequency parameter in Hz
*/
void changed(double speed, double freq);
/** Pre-listen mode has been started */
void startPreListen();
/** Pre-listen mode has been stopped */
void stopPreListen();
protected slots:
/** called when the mode radio buttons changed */
void modeChanged(bool);
/** called when the speed slider's position has changed */
void sliderChanged(int pos);
/** called when the spped spinbox value has changed */
void spinboxChanged(int pos);
/** called if the frequency sbinbox value has changed */
void frequencyChanged(int pos);
/**
* called when the "Listen" button has been toggled,
* to start or stop the pre-listen mode
*/
void listenToggled(bool listen);
/**
* called when the pre-listen mode stopped/aborted
*/
void listenStopped();
private slots:
/** invoke the online help */
void invokeHelp();
protected:
/**
* Mode for amplification selection
* by factor (x1, x2, x5,...) or by percentage
*/
typedef enum {
MODE_FACTOR = 0,
MODE_PERCENT = 1
} Mode;
/** Sets a new volume selection mode */
void setMode(Mode mode);
/** Update the speed slider position and the speed spinbox value */
void updateSpeed(double speed);
private:
/** speed factor */
double m_speed;
/** base frequency, @see aRts documentation */
double m_frequency;
/** mode for selecting speed (factor or percentage) */
Mode m_mode;
/** if false, ignore the signals of slider and spinbox */
bool m_enable_updates;
};
}
#endif /* PITCH_SHIFT_DIALOG_H */
//***************************************************************************
//***************************************************************************
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