SegmentGraphicsItem.h

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/*
-----------------------------------------------------------------------------
This source file is part of FRAPPER
research.animationsinstitut.de
sourceforge.net/projects/frapper

Copyright (c) 2008-2009 Filmakademie Baden-Wuerttemberg, Institute of Animation 

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; version 2.1 of the License.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
-----------------------------------------------------------------------------
*/


#ifndef SEGMENTGRAPHICSITEM_H
#define SEGMENTGRAPHICSITEM_H

#include "FrapperPrerequisites.h"
#include <QtGui/QGraphicsItem>


namespace Frapper {

class KeyGraphicsItem;


class FRAPPER_GUI_EXPORT SegmentGraphicsItem : public QGraphicsItem
{

public: // constructors and destructors

    SegmentGraphicsItem ( KeyGraphicsItem *startKeyItem, KeyGraphicsItem *endKeyItem, const QColor &color = QColor(Qt::darkGray) );

    ~SegmentGraphicsItem();

public: // functions

#ifdef __GNUC__
        void setWidth( const float width );
#else
        inline void setWidth( const float width );
#endif

    KeyGraphicsItem * getStartKeyItem () const;

    inline void setStartKeyItem ( KeyGraphicsItem *startKeyItem );

    KeyGraphicsItem * getEndKeyItem () const;

    inline void setEndKeyItem ( KeyGraphicsItem *endKeyItem );

#ifdef __GNUC__
    void adjust ();
#else
    inline void adjust ();
#endif

protected: // functions

    virtual QRectF boundingRect () const;

    virtual void paint ( QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget );

private: // data

    KeyGraphicsItem *m_startKeyItem;

    KeyGraphicsItem *m_endKeyItem;

    QColor m_color;

    QPointF m_startPoint;

    QPointF m_endPoint;

        qreal m_width;
};

} // end namespace Frapper

#endif