[84b6f5]: libkwave / undo / UndoDeleteTrack.h Maximize Restore History

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UndoDeleteTrack.h    83 lines (60 with data), 2.4 kB

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/***************************************************************************
UndoDeleteTrack.h - Undo action for deletion of tracks
-------------------
begin : Mon Jun 25 2001
copyright : (C) 2001 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_DELETE_TRACK_H_
#define _UNDO_DELETE_TRACK_H_
#include "config.h"
#include <QString>
#include "libkwave/Sample.h"
#include "libkwave/Track.h"
#include "libkwave/undo/UndoAction.h"
class Signal;
/**
* Undo action for deleting a track.
*/
class UndoDeleteTrack: public UndoAction
{
public:
/**
* Constructor
* @param signal reference to the signal
* @param track index of the deleted track.
*/
UndoDeleteTrack(Signal &signal, unsigned int track);
/** Destructor */
virtual ~UndoDeleteTrack();
/**
* Returns a verbose short description of the action.
*/
virtual QString description();
/** @see UndoAction::undoSize() */
virtual unsigned int undoSize();
/** @see UndoAction::redoSize() */
virtual int redoSize();
/** @see UndoAction::store() */
virtual bool store(SignalManager &manager);
/** @see UndoAction::undo() */
virtual UndoAction *undo(SignalManager &manager, bool with_redo);
protected:
/** Reference to the signal */
Signal &m_signal;
/** Index of the deleted track */
unsigned int m_track;
/** Length of the track in samples */
sample_index_t m_length;
/** track that serves as buffer with undo data */
Kwave::Track m_buffer_track;
};
#endif /* _UNDO_DELETE_TRACK_H_ */