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/***************************************************************************
UndoSelection.h - Undo action for selection
-------------------
begin : Tue Jun 05 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_SELECTION_H
#define UNDO_SELECTION_H
#include "config.h"
#include <QVector>
#include "libkwave/Sample.h"
#include "libkwave/undo/UndoAction.h"
namespace Kwave
{
class SignalManager;
/**
* This Undo action simply stores the combination of the currently selected
* tracks and the currently selected range of samples.
*/
class UndoSelection: public UndoAction
{
public:
/**
* Constructor.
* @param manager reference to the SignalManager
*/
explicit UndoSelection(Kwave::SignalManager &manager);
/**
* Constructor.
* @param manager reference to the SignalManager
* @param selected_tracks list of selected tracks
* @param offset start of the selection
* @param length number of selected samples
*/
UndoSelection(Kwave::SignalManager &manager,
QVector<unsigned int> selected_tracks,
sample_index_t offset,
sample_index_t length);
/** virtual destructor */
~UndoSelection() override;
/** @see UndoAction::description() */
QString description() override;
/** @see UndoAction::undoSize() */
qint64 undoSize() override;
/** @see UndoAction::redoSize() */
qint64 redoSize() override;
/** @see UndoAction::store() */
bool store(Kwave::SignalManager &manager) override;
/** @see UndoAction::undo() */
Kwave::UndoAction *undo(Kwave::SignalManager &manager,
bool with_redo) override;
/** @see UndoAction::containsModification() */
bool containsModification() const override {
return false;
}
/** dump, for debugging purposes */
void dump(const QString &indent) override;
private:
/** reference to the SignalManager is needed in redoSize() */
Kwave::SignalManager &m_manager;
/** First selected sample */
sample_index_t m_offset;
/** Number of selected samples */
sample_index_t m_length;
/** Array with indices of selected tracks. */
QVector<unsigned int> m_selected_tracks;
};
}
#endif /* UNDO_SELECTION_H */
//***************************************************************************
//***************************************************************************
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