gcp/bond.h

00001 // -*- C++ -*-
00002 
00003 /* 
00004  * GChemPaint library
00005  * bond.h 
00006  *
00007  * Copyright (C) 2001-2008 Jean Bréfort <jean.brefort@normalesup.org>
00008  *
00009  * This program is free software; you can redistribute it and/or 
00010  * modify it under the terms of the GNU General Public License as 
00011  * published by the Free Software Foundation; either version 2 of the
00012  * License, or (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software
00021  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
00022  * USA
00023  */
00024 
00025 #ifndef GCHEMPAINT_BOND_H
00026 #define GCHEMPAINT_BOND_H
00027 
00028 #include <gcu/bond.h>
00029 #include <list>
00030 #include <libgnomecanvas/gnome-canvas-path-def.h>
00031 
00032 namespace gcp {
00033 
00042 typedef enum
00043 {
00044         NormalBondType,
00045         UpBondType,
00046         DownBondType,
00047         ForeBondType,
00048         UndeterminedBondType
00049 } BondType;
00050 
00055 typedef struct {
00059         double a;
00063         bool is_before;
00064 } BondCrossing;
00065 
00066 class Atom;
00067 class WidgetData;
00068 
00073 class Bond: public gcu::Bond
00074 {
00075 public:
00079         Bond ();
00087         Bond (Atom* first, Atom* last, unsigned char order);
00091         virtual ~Bond ();
00092 
00093         virtual Object* GetAtomAt (double x, double y, double z = 0.);
00094         BondType GetType() const {return m_type;}
00095         void SetType (BondType type);
00096         double GetAngle2D (Atom* pAtom);
00097         void AddCycle (gcu::Cycle* pCycle);
00098         void RemoveCycle (gcu::Cycle* pCycle);
00099         void RemoveAllCycles ();
00100         bool GetLine2DCoords (unsigned Num, double* x1, double* y1, double* x2, double* y2);
00101         virtual bool SaveNode (xmlDocPtr xml, xmlNodePtr) const;
00107         virtual bool LoadNode (xmlNodePtr node);
00108         virtual void Update (GtkWidget* w) const;
00109         virtual void Move (double x, double y, double z = 0);
00110         virtual void Transform2D (gcu::Matrix2D& m, double x, double y);
00111         double GetDist (double x, double y);
00114         void SetDirty ();
00117         void Revert ();
00124         void IncOrder (int n = 1);
00133         void SetSelected (GtkWidget* w, int state);
00134         void Add (GtkWidget* w) const;
00135         double GetYAlign ();
00136         bool IsCrossing (Bond *pBond);
00145         bool BuildContextualMenu (GtkUIManager *UIManager, Object *object, double x, double y);
00146         void MoveToBack ();
00147         void BringToFront ();
00148         bool SetProperty (unsigned property, char const *value);
00149 
00150 private:
00151         GnomeCanvasPathDef* BuildPathDef (WidgetData* pData);
00152         GnomeCanvasPathDef* BuildCrossingPathDef (WidgetData* pData);
00153         BondType m_type;
00154         double m_coords[16];//coordinates of the lines used to represent the bond in the canvas
00155         bool m_CoordsCalc; //true if m_coords have been calculated, false else
00156         std::map<Bond*, BondCrossing> m_Crossing;
00157         int m_level; // to know which bond should be considered front
00158 };
00159 
00160 }       //      namespace gcp
00161 
00162 #endif // GCHEMPAINT_BOND_H

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