Model.h

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/*
 * Model.h - declaration of Model base class
 *
 * Copyright (c) 2007-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * 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.
 *
 * 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 (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_MODEL_H
#define LMMS_MODEL_H
 
#include <QString>
#include <QObject>
 
#include "lmms_export.h"
 
namespace lmms
{
 
class LMMS_EXPORT Model : public QObject
{
    Q_OBJECT
public:
    Model(Model* parent, QString displayName = QString(),
          bool defaultConstructed = false);
 
    ~Model() override = default;
 
    bool isDefaultConstructed() const;
 
    Model* parentModel() const;
 
    virtual QString displayName() const;
 
    virtual void setDisplayName(const QString& displayName);
 
    virtual QString fullDisplayName() const;
 
 
private:
    QString m_displayName;
    bool m_defaultConstructed;
 
 
signals:
    // emitted if actual data of the model (e.g. values) have changed
    void dataChanged();
 
    // emitted in case new data was not set as it's been equal to old data
    void dataUnchanged();
 
    // emitted if properties of the model (e.g. ranges) have changed
    void propertiesChanged();
 
} ;
 
 
} // namespace lmms
 
#endif // LMMS_MODEL_H