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Label.h    88 lines (68 with data), 2.7 kB

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/***************************************************************************
Label.h - representation of a label within a signal
-------------------
begin : Mon Jul 31 2006
copyright : (C) 2006 by Thomas Eschenbacher
email : 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 _LABEL_H_
#define _LABEL_H_
#include "config.h"
#include <QString>
#include <kdemacros.h>
#include <klocale.h>
#include "libkwave/MetaData.h"
#include "libkwave/Sample.h"
class KDE_EXPORT Label: public Kwave::MetaData
{
public:
/** Default constructor, creates an empty label */
Label();
/**
* Constructor, takes over the identity of a MetaData object
* @param meta_data reference to a meta data object
*/
Label(const Kwave::MetaData &meta_data);
/**
* Constructor
*
* @param position the label position [samples]
* @param name the name of the label, user defined
*/
Label(sample_index_t position, const QString &name);
/** destructor */
virtual ~Label();
/** returns the identifier of the "type" of this meta data object */
static QString metaDataType() { return I18N_NOOP("Label"); };
/**
* Set a new position of the label
* @param position the new position [samples]
*/
virtual void moveTo(sample_index_t position);
/** Returns the label's position [samples] */
virtual sample_index_t pos() const;
/**
* change the name of the label
* @param name the new name, user defined
*/
virtual void rename(const QString &name);
/** returns the name of the string */
virtual QString name() const;
/** less-than operator, needed for sorting the list */
inline bool operator < (const Label &other) const {
return (pos() < other.pos());
}
/** equal operator */
inline bool operator == (const Label &other) const {
return ((pos() == other.pos()) && (name() == other.name()));
}
};
#endif /* _LABEL_H_ */