LabelItem.h

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/***************************************************************************
            LabelItem.h  -  label item within a SignalView
                             -------------------
    begin                : Sat Mar 26 2011
    copyright            : (C) 2011 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_ITEM_H
#define LABEL_ITEM_H

#include "config.h"

#include <QtGlobal>
#include <QCursor>
#include <QObject>
#include <QString>

#include "libgui/ViewItem.h"

class QMenu;

namespace Kwave
{

    class Label;
    class SignalView;
    class UndoTransactionGuard;

    class Q_DECL_EXPORT LabelItem: public Kwave::ViewItem
    {
        Q_OBJECT
    public:
        LabelItem(Kwave::SignalView &view,
                  Kwave::SignalManager &signal_manager,
                  unsigned int index,
                  const Kwave::Label &label);

        virtual ~LabelItem() Q_DECL_OVERRIDE;

        virtual Kwave::ViewItem::Flags flags() const Q_DECL_OVERRIDE;

        virtual QString toolTip(sample_index_t &ofs) Q_DECL_OVERRIDE;

        virtual void appendContextMenu(QMenu *parent) Q_DECL_OVERRIDE;

        virtual QCursor mouseCursor() const Q_DECL_OVERRIDE;

        virtual void moveTo(const QPoint &mouse_pos) Q_DECL_OVERRIDE;

        virtual void done() Q_DECL_OVERRIDE;

    private slots:

        void contextMenuLabelDelete();

        void contextMenuLabelProperties();

    private:

        unsigned int m_index;

        sample_index_t m_initial_pos;

        sample_index_t m_current_pos;

        QString m_description;

        Kwave::UndoTransactionGuard *m_undo_transaction;

    };

}

#endif /* LABEL_ITEM_H */

//***************************************************************************
//***************************************************************************