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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef GUITARTUNERUI_H
#define GUITARTUNERUI_H
#include <QWidget>
#include <QDebug>
namespace Ui {
class GuitarTunerUI;
}
const qreal FrequencyE = 82.407;
const qreal FrequencyA = 110.00;
const qreal FrequencyD = 146.83;
const qreal FrequencyG = 196.00;
const qreal FrequencyB = 246.94;
const qreal FrequencyE2 = 329.63;
class GuitarTunerUI : public QWidget
{
Q_OBJECT
public:
explicit GuitarTunerUI(QWidget *parent = 0);
~GuitarTunerUI();
qreal getVolume() const;
bool getMuteState() const;
qreal getMicrophoneSensitivity() const;
bool isInputModeActive() const;
qreal getFrequency() const;
int getScaleMaximumValue() const;
void setMaximumVoiceDifference(int max);
void setMaximumPrecisionPerNote(int max);
public slots:
void toggleSound(bool off);
void next();
void prev();
void changeVolume();
void toggleInputOrOutput();
void lowVoice();
void voiceDifference(qreal difference);
void correctFrequencyObtained();
signals:
void modeChanged(bool isInput);
void volumeChanged(qreal volume);
void microphoneSensitivityChanged(qreal sensitivity);
void muteChanged(bool isMuted);
void targetFrequencyChanged(qreal targetFrequency);
protected:
void changeEvent(QEvent *e);
private:
Ui::GuitarTunerUI *ui;
void changeTone(int newIndex);
qreal getVolumeFromSoundSlider() const;
int m_currentToneIndex;
QString m_currentToneString;
qreal m_currentToneFrequency;
void updateFrequencyByToneIndex(int index);
bool m_outputActive;
bool m_muted;
qreal m_outputVolumeLevel;
qreal m_inputVolumeLevel;
int m_maximumPrecision;
};
#endif // GUITARTUNERUI_H
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