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7367750823
* Renamed lmms_basics.h to LmmsTypes.h and scoped it down for that purpose. * Shifted the LMMS_STRINGIFY macro to it's own header. * Removed the debug.h header file and use cmake to handle the macro logic. * Remove some unused headers and include directives
107 lines
2.3 KiB
C++
107 lines
2.3 KiB
C++
/*
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* JournallingObject.h - declaration of class JournallingObject
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*
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* Copyright (c) 2006-2014 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 LMMS_JOURNALLING_OBJECT_H
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#define LMMS_JOURNALLING_OBJECT_H
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#include <QStack>
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#include "LmmsTypes.h"
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#include "SerializingObject.h"
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namespace lmms
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{
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class LMMS_EXPORT JournallingObject : public SerializingObject
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{
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public:
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JournallingObject();
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~JournallingObject() override;
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inline jo_id_t id() const
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{
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return m_id;
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}
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void saveJournallingState( const bool newState )
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{
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m_journallingStateStack.push( m_journalling );
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m_journalling = newState;
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}
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void restoreJournallingState()
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{
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if( !isJournallingStateStackEmpty())
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{
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m_journalling = m_journallingStateStack.pop();
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}
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}
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void addJournalCheckPoint();
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QDomElement saveState( QDomDocument & _doc,
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QDomElement & _parent ) override;
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void restoreState( const QDomElement & _this ) override;
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inline bool isJournalling() const
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{
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return m_journalling;
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}
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inline void setJournalling( const bool _sr )
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{
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m_journalling = _sr;
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}
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inline bool testAndSetJournalling( const bool newState )
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{
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const bool oldJournalling = m_journalling;
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m_journalling = newState;
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return oldJournalling;
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}
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bool isJournallingStateStackEmpty() const
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{
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return m_journallingStateStack.isEmpty();
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}
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protected:
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void changeID( jo_id_t _id );
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private:
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jo_id_t m_id;
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bool m_journalling;
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QStack<bool> m_journallingStateStack;
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} ;
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} // namespace lmms
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#endif // LMMS_JOURNALLING_OBJECT_H
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