mirror of
https://github.com/LMMS/lmms.git
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1d5cb23385
Most files and most of the core classes and their methods have been
renamed to match new coding style conventions:
391 files changed, 25400 insertions(+), 25598 deletions(-)
Furthermore splitted some files where model and view classes were
declared or implemented together in the same file.
Should be tested thoroughly as I might have missed renaming some virtual
methods or SIGNAL/SLOT parameters.
(cherry picked from commit 8c9a9dd14c)
186 lines
3.4 KiB
C++
186 lines
3.4 KiB
C++
/*
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* JournallingObject.h - declaration of class JournallingObject
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*
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* Copyright (c) 2006-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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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 _JOURNALLING_OBJECT_H
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#define _JOURNALLING_OBJECT_H
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#include "lmms_basics.h"
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#include "export.h"
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#include "SerializingObject.h"
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#include <QtCore/QVariant>
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#include <QtCore/QVector>
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#include <QtCore/QStack>
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typedef uint32_t t_action_id;
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class JournalEntry
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{
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public:
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JournalEntry( const t_action_id _action_id, const QVariant & _data ) :
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m_actionID( _action_id ),
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m_data( _data )
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{
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}
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JournalEntry() :
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m_actionID( 0 ),
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m_data( 0 )
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{
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}
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~JournalEntry()
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{
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}
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t_action_id actionID() const
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{
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return m_actionID;
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}
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t_action_id & actionID()
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{
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return m_actionID;
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}
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const QVariant & data() const
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{
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return m_data;
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}
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QVariant & data()
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{
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return m_data;
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}
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private:
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t_action_id m_actionID;
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QVariant m_data;
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} ;
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typedef QVector<JournalEntry> JournalEntryVector;
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class EXPORT JournallingObject : public SerializingObject
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{
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public:
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JournallingObject();
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virtual ~JournallingObject();
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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 undo();
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void redo();
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void clear()
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{
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m_journalEntries.clear();
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m_currentJournalEntry = m_journalEntries.end();
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}
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void clearRedoSteps()
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{
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m_journalEntries.erase( m_currentJournalEntry,
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m_journalEntries.end() );
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m_currentJournalEntry = m_journalEntries.end();
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}
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void saveJournallingState( const bool _new_state )
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{
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m_journallingStateStack.push( m_journalling );
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m_journalling = _new_state;
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}
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void restoreJournallingState()
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{
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m_journalling = m_journallingStateStack.pop();
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}
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virtual QDomElement saveState( QDomDocument & _doc,
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QDomElement & _parent );
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virtual void restoreState( const QDomElement & _this );
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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 _sr )
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{
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const bool oldJournalling = m_journalling;
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m_journalling = _sr;
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return oldJournalling;
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}
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protected:
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void changeID( jo_id_t _id );
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void addJournalEntry( const JournalEntry & _je );
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// to be implemented by sub-objects
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virtual void undoStep( JournalEntry & )
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{
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}
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virtual void redoStep( JournalEntry & )
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{
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}
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private:
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void saveJournal( QDomDocument & _doc, QDomElement & _parent );
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void loadJournal( const QDomElement & _this );
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jo_id_t m_id;
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JournalEntryVector m_journalEntries;
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JournalEntryVector::Iterator m_currentJournalEntry;
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bool m_journalling;
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QStack<bool> m_journallingStateStack;
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} ;
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#endif
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