GrabberWidget.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 GRABBERWIDGET_H
#define GRABBERWIDGET_H

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


namespace Frapper {

class FRAPPER_GUI_EXPORT GrabberWidget : public QWidget
{

public: // nested enumerations

    enum Position {
        P_BeforeFrame = -1, 
        P_OnFrame, 
        P_AfterFrame 
    };

public: // static data

    static const int Width = 5;

public: // constructors and destructors

    GrabberWidget ( const QSize &frameRectangleSize, Position position, const QColor &baseColor, QWidget *parent = 0, Qt::WindowFlags flags = 0 );

    virtual ~GrabberWidget ();

public: // functions

    int getFrameIndex () const;

    void setFrameIndex ( int index );

    void setFrameWidth ( int frameWidth );

    void setStartFrameIndex ( int index );

protected: // event handlers

    virtual void paintEvent ( QPaintEvent *event );

private: // functions

    void updatePosition ();

private: // data

    int m_frameIndex;

    QSize m_frameRectangleSize;

    Position m_position;

    QColor m_baseColor;

    int m_startFrameIndex;

};

} // end namespace Frapper

#endif