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/***************************************************************************
UndoAddMetaDataAction.h - Undo action for insertion of meta data
-------------------
begin : Wed Aug 16 2006
copyright : (C) 2006 by Thomas Eschenbacher
email : Thomas Eschenbacher <Thomas.Eschenbacher@gmx.de>
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef UNDO_ADD_META_DATA_ACTION_H
#define UNDO_ADD_META_DATA_ACTION_H
#include "config.h"
#include "libkwave_export.h"
#include <QList>
#include <QString>
#include "libkwave/MetaData.h"
#include "libkwave/MetaDataList.h"
#include "libkwave/Sample.h"
#include "libkwave/undo/UndoAction.h"
namespace Kwave
{
class SignalManager;
/**
* Undo action for inserting meta data.
*/
class LIBKWAVE_EXPORT UndoAddMetaDataAction: public Kwave::UndoAction
{
public:
/**
* Constructor
* @param meta_data reference to the meta data that has been inserted
*/
explicit UndoAddMetaDataAction(const Kwave::MetaDataList &meta_data);
/** Destructor */
~UndoAddMetaDataAction() override;
/**
* Returns a verbose short description of the action.
*/
QString description() override;
/** @see UndoAction::undoSize() */
qint64 undoSize() override;
/** @see UndoAction::redoSize() */
qint64 redoSize() override;
/** @see UndoAction::store() */
bool store(SignalManager &manager) override;
/** @see UndoAction::undo() */
Kwave::UndoAction *undo(Kwave::SignalManager &manager,
bool with_redo) override;
protected:
/** description of the action */
QString m_description;
/** index of the first sample position */
sample_index_t m_offset;
/** number of affected samples */
sample_index_t m_length;
};
}
#endif /* UNDO_ADD_META_DATA_ACTION_H */
//***************************************************************************
//***************************************************************************
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