phylo_tree_render.hpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: phylo_tree_render.hpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 19:53:02  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.11
 * PRODUCTION
 * ===========================================================================
 */

#ifndef __GUI_WIDGETS_PHYLO_TREE___PHYLO_TREE_RENDER__HPP
#define __GUI_WIDGETS_PHYLO_TREE___PHYLO_TREE_RENDER__HPP

/*  $Id: phylo_tree_render.hpp,v 1000.1 2004/06/01 19:53:02 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:  Vladimir Tereshkov
 *
 * File Description:
 *
 */

#include <corelib/ncbistl.hpp>
#include <gui/opengl/glcolor.hpp>
#include <gui/opengl/glpane.hpp>
#include <gui/opengl/glbitmapfont.hpp>
#include <gui/widgets/gl/ievent_handler.hpp>
#include <gui/widgets/hit_matrix/hit_data_adapter.hpp>
#include <gui/widgets/phylo_tree/phylo_tree_ds.hpp>
#include <gui/widgets/phylo_tree/phylo_tree_scheme.hpp>
#include <gui/widgets/phylo_tree/phylo_tree_label.hpp>
#include <gui/widgets/fl/tooltip.hpp>
#include <gui/math/curve_bezier.hpp>
#include <gui/opengl/glcurve.hpp>
#include <gui/opengl/gltube.hpp>
#include <gui/opengl/gldlist.hpp>


BEGIN_NCBI_SCOPE


class IPhyloTreeRendererHost
{
public:
    virtual ~IPhyloTreeRendererHost()  {};

    virtual void     HMGH_Redraw(void) = 0;
    virtual TVPUnit  HMGH_GetVPPosByY(int y) const = 0;
    virtual void     FireCBEvent(void) = 0;
};




// rendering interface
class IPhyloTreeRenderer : public IEventHandler,
                           public CPhyloTreeScheme,
                           public ITooltipClient
{
protected:    
    CPhyloTreeDataSource * m_DS;
    double  m_DimX,  m_DimY;    
    double  m_xStep, m_yStep;
    double  m_NormDistance;
    
    CGlBitmapFont   *m_pLabelFont;
    IPhyloTreeRendererHost *m_pHost;

    // display list for our scene
    CGlDisplayList m_Dlist;

    CGlCurve<CCurveBezier> m_Curve;

    CTooltip            m_Tooltip; 

    CPhyloTreeLabel     m_Label;

    TModelRect          m_RasterRect;

    /// event handling state
    enum    EState {
        eIdle,
        eSelPoint, /// selecting a single glyph by point
        eSelRect   /// selecting multiple glyphs by rectangle
    }; 
    
    /// label alignment
    enum    ELabelAlign {
        eLeft,
        eRight
    };

    /// event handling    
    CGlPane         *m_pPane;
    EState           m_State;
    TVPPoint         m_StartPoint;
    TVPPoint         m_DragPoint;
    Fl_Cursor        m_Cursor;
    vector<int>      m_SelectedIDs; 
    bool             m_bDistMode;
    
    void    x_RenderSelection(CGlPane& pane);
    void    x_RenderLine(double x1, double y1, double x2, double y2, double width, CGlColor color1, CGlColor color2);
    void    x_RenderNode(double x, double y, double size, CGlColor color);    
    void    x_RenderSpline(double x1, double y1, double x2, double y2);
    
    /// user event handlers - translate event to signals
    int x_OnMousePush(CGUIEvent& event);
    int x_OnMouseDrag(CGUIEvent& event);
    int x_OnMouseRelease(CGUIEvent& event);
    int x_OnMouseMove(void);
    int x_OnKeyDown(void);
    int x_OnKeyUp(void);


    void    x_OnSelectCursor(void);
    bool    x_SelectByPoint(CPhyloTreeNode * node);
    bool    x_SelectByRect(CPhyloTreeNode * node);    
    void    x_BuildSelVector(CPhyloTreeNode * node);    
    
    CPhyloTreeNode * x_TestForNode(CPhyloTreeNode * node);

    virtual void x_Layout(CPhyloTreeDataSource& ds) = 0;
    virtual void x_Render(CGlPane& pane, CPhyloTreeDataSource& ds) = 0;
    
public:    
    IPhyloTreeRenderer();
    virtual ~IPhyloTreeRenderer(){}

    // selection set/retrieve
    const vector<int> & GetSelectedIDs(void) { return m_SelectedIDs; };
    void                SetSelectedIDs(const vector<int> & vect);
    bool                IsSelected(CPhyloTreeNode * node);
   
    // ITooltipClient implementation (chain call)
    virtual bool    TC_NeedTooltip(int x, int y);    
    virtual string  TC_GetTooltip(int& x, int& y, int& w, int& h);

    void    SetHost(IPhyloTreeRendererHost* pHost);
    void    SetFont(CGlBitmapFont * font) {m_pLabelFont = font;}

    void    SetDistRendering(bool flag) {m_bDistMode = flag;}
    bool    GetDistRendering(void)      {return m_bDistMode;}
    
    virtual string  GetDescription(void)                            = 0;
    virtual void    Render(CGlPane& pane, CPhyloTreeDataSource& ds);    
    virtual void    Layout(CPhyloTreeDataSource& ds);    
    
    /// IEventHandler implementation
    virtual int handle(CGUIEvent& event, CGlPane& pane);    

    //
    const TModelRect & GetRasterRect(void) { return m_RasterRect; }

    // metrics
    const static double GetDimX(void);
    const static double GetDimY(void);  
};





END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: phylo_tree_render.hpp,v $
 * Revision 1000.1  2004/06/01 19:53:02  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.11
 *
 * Revision 1.11  2004/05/11 20:53:38  tereshko
 * Work in progress
 *
 * Revision 1.10  2004/05/06 19:41:07  tereshko
 * Added force layout
 *
 * Revision 1.9  2004/04/28 19:27:27  tereshko
 * Added support for distances rendering
 *
 * Revision 1.8  2004/04/20 21:57:37  tereshko
 * Major rendering, labeling and performance improvements
 *
 * Revision 1.7  2004/04/13 20:29:22  tereshko
 * Numerous renderers improvements
 *
 * Revision 1.6  2004/04/01 21:47:13  tereshko
 * Code clean-up
 *
 * Revision 1.5  2004/03/30 17:11:08  tereshko
 * Added support for events broadcasting
 *
 * Revision 1.4  2004/03/03 21:42:31  tereshko
 * Added tooltips support
 *
 * Revision 1.3  2004/03/02 18:29:24  tereshko
 * Added radial tree layout
 *
 * Revision 1.2  2004/02/23 22:52:47  tereshko
 * Rendering Improvements
 *
 * Revision 1.1  2004/02/13 17:00:04  tereshko
 * Phylogenetic Tree Widget initial revision
 *
 * ===========================================================================
 */

#endif  // __GUI_WIDGETS_PHYLO_TREE___PHYLO_TREE_RENDER__HPP