LowPassDialog.h

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/***************************************************************************
        LowPassDialog.h  -  dialog for the "lowpass" plugin
                             -------------------
    begin                : Fri Mar 07 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 LOW_PASS_DIALOG_H
#define LOW_PASS_DIALOG_H

#include "config.h"

#include <QDialog>
#include <QObject>
#include <QString>

#include "libkwave/PluginSetupDialog.h"

#include "ui_LowPassDlg.h"

class QStringList;

namespace Kwave
{

    class LowPassFilter;

    class LowPassDialog: public QDialog,
                         public Ui::LowPassDlg,
                         public Kwave::PluginSetupDialog
    {
        Q_OBJECT
    public:

        LowPassDialog(QWidget *parent, double sample_rate);

        virtual ~LowPassDialog() Q_DECL_OVERRIDE;

        virtual QStringList params() Q_DECL_OVERRIDE;

        virtual void setParams(QStringList &params) Q_DECL_OVERRIDE;

        virtual QDialog *dialog() Q_DECL_OVERRIDE { return this; }

    signals:

        void changed(double freq);

        void startPreListen();

        void stopPreListen();

    protected slots:

        void valueChanged(int pos);

        void listenToggled(bool listen);

        void listenStopped();

    private slots:

        void invokeHelp();

    protected:

        void updateDisplay();

    private:

        double m_frequency;

        double m_sample_rate;

        Kwave::LowPassFilter *m_filter;

    };
}

#endif /* LOW_PASS_DIALOG_H */

//***************************************************************************
//***************************************************************************