isoundbackend.h 2.11 KB
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/****************************************************************************
**
** Copyright (C) 2016 by Sandro S. Andrade <sandroandrade@kde.org>
**
** 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) version 3 or any later version
** accepted by the membership of KDE e.V. (or its successor approved
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** by the membership of KDE e.V.), which shall act as a proxy
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** defined in Section 14 of version 3 of the license.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program.  If not, see <http://www.gnu.org/licenses/>.
**
****************************************************************************/

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#ifndef MINUET_ISOUNDBACKEND_H
#define MINUET_ISOUNDBACKEND_H
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#include "iplugin.h"

#include <QJsonArray>
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#include "minuetinterfacesexport.h"
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namespace Minuet
{

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class MINUETINTERFACES_EXPORT ISoundBackend : public IPlugin
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{
    Q_OBJECT

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    Q_PROPERTY(int pitch MEMBER m_pitch NOTIFY pitchChanged)
    Q_PROPERTY(quint8 volume MEMBER m_volume NOTIFY volumeChanged)
    Q_PROPERTY(quint8 tempo MEMBER m_tempo NOTIFY tempoChanged)

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public:
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    ~ISoundBackend() override;
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public Q_SLOTS:
    virtual void prepareFromExerciseOptions(QJsonArray selectedOptions, const QString &playMode) = 0;
    virtual void prepareFromMidiFile(const QString &fileName) = 0;

    virtual void play() = 0;
    virtual void pause() = 0;
    virtual void stop() = 0;

Q_SIGNALS:
    void pitchChanged(int newPitch);
    void volumeChanged(quint8 newVolume);
    void tempoChanged(quint8 newTempo);

protected:
    explicit ISoundBackend(QObject *parent = 0);

    int m_pitch;
    quint8 m_volume;
    quint8 m_tempo;
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};
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}
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Q_DECLARE_INTERFACE(Minuet::ISoundBackend, "org.kde.minuet.ISoundBackend")

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#endif