graphwindow.hpp

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/*
 * ===========================================================================
 * PRODUCTION $Log: graphwindow.hpp,v $
 * PRODUCTION Revision 1000.0  2003/10/31 21:09:30  gouriano
 * PRODUCTION PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R1.2
 * PRODUCTION
 * ===========================================================================
 */

#ifndef GUI_GRAPH_DEMO1___GRAPH_WINDOW__HPP
#define GUI_GRAPH_DEMO1___GRAPH_WINDOW__HPP

/*  $Id: graphwindow.hpp,v 1000.0 2003/10/31 21:09:30 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Andrey Yazhuk
 *
 * File Description:
 *
 */

#include <gui/opengl/glcanvas2d.hpp>

#include <gui/graph/igraph.hpp>
#include <gui/graph/scroll_widget.hpp>
#include <gui/graph/graph_panel.hpp>

USING_NCBI_SCOPE;

////////////////////////////////////////////////////////////////////////////////
/// class CGraphWindow 
/// CGraphWindow is an example of widget using "graph" library for vizualizing
/// Charts, Pie diagram and Scatter graph.
/// CGraphWindow creates CGraphPanel objects and supplies it with OpenGL drawing context. 
/// The class provides support for zooming and scrolling graphs

class CGraphWindow : public CGlCanvas2d, public IScrollableWidget
{
public:
    CGraphWindow(int x, int y, int w, int h);
    virtual ~CGraphWindow();

    virtual void draw();
    virtual void resize(int x, int y, int w, int h);

    void    ZoomAll();
    void    ZoomIn();
    void    ZoomOut();
    
    void    AddGraph(IGraph* pGraph);
    void    AddDataSource(IGraphDataSource* pDS);
    void    RemoveGraphsAndSources();

    // IScrollableWidget implementation
    virtual void SetContainer(IScrollContainer* pCont);
    virtual void OnScrollX(Fl_Scrollbar* pBar);
    virtual void OnScrollY(Fl_Scrollbar* pBar);

protected:
    void    x_UpdateScrollBars();

    void    x_CreateComboChart();
    void    x_CreatePie();
    void    x_CreateScatter();
    
protected:
    vector<IGraphDataSource*> m_vpSources;
    vector<IGraph*>  m_vpGraphs;
    
    CGraphPanel m_Panel;
    
    IScrollContainer* m_pScrollCont;    
};


#endif  // GUI_WIDGETS_GRAPH___GRAPH_WIDGET__HPP