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/***************************************************************************
* SelectionItem.h - selection item within a SignalView
* -------------------
* begin : Sun Mar 12 2017
* copyright : (C) 2017 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 SELECTION_ITEM_H
#define SELECTION_ITEM_H
#include "config.h"
#include <QCursor>
#include "libkwave/Sample.h"
#include "libgui/ViewItem.h"
namespace Kwave
{
// forward declarations
class SignalManager;
class SignalView;
class SelectionItem: public Kwave::ViewItem
{
public:
/**
* Constructor
* @param view the parent signal view
* @param signal_manager the signal manager
*/
SelectionItem(SignalView &view,
Kwave::SignalManager &signal_manager);
/** Destructor */
~SelectionItem() override;
/**
* Returns flags describing the possible interactions with this object
* @see Kwave::ViewItem::Flags
*/
Kwave::ViewItem::Flags flags() const override;
/** Starts a drag & drop operation. */
void startDragging() override;
private:
/** start of the selection */
sample_index_t m_first;
/** end of the selection */
sample_index_t m_last;
};
}
#endif /* SELECTION_ITEM_H */
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