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110 lines
2.4 KiB
C++
110 lines
2.4 KiB
C++
/*
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* Model.h - declaration of Model base class
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*
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* Copyright (c) 2007-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef MODEL_H
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#define MODEL_H
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#include <QtCore/QString>
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#include <QtCore/QObject>
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#include "export.h"
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class EXPORT Model : public QObject
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{
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Q_OBJECT
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public:
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Model( Model * _parent, QString _display_name = QString::null,
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bool _default_constructed = false ) :
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QObject( _parent ),
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m_displayName( _display_name ),
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m_defaultConstructed( _default_constructed )
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{
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#if QT_VERSION < 0x050000
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connect( this, SIGNAL( dataChanged() ), this,
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SLOT( thisDataChanged() ), Qt::DirectConnection );
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#endif
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}
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virtual ~Model()
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{
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}
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bool isDefaultConstructed()
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{
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return m_defaultConstructed;
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}
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Model* parentModel() const
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{
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return static_cast<Model *>( parent() );
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}
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virtual QString displayName() const
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{
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return m_displayName;
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}
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virtual void setDisplayName( const QString& displayName )
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{
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m_displayName = displayName;
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}
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virtual QString fullDisplayName() const;
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private:
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QString m_displayName;
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bool m_defaultConstructed;
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signals:
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// emitted if actual data of the model (e.g. values) have changed
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void dataChanged();
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// emitted in case new data was not set as it's been equal to old data
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void dataUnchanged();
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// emitted if properties of the model (e.g. ranges) have changed
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void propertiesChanged();
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#if QT_VERSION < 0x050000
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// emitted along with dataChanged(), but with this model as an argument
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// workaround for when QObject::sender() and Qt5 are unavailable
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void dataChanged( Model * );
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private slots:
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void thisDataChanged()
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{
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emit dataChanged( this );
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}
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signals:
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#endif
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} ;
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#endif
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