gcp/bond.h

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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 
00030 #include <gccv/item-client.h>
00031 #include <gcu/bond.h>
00032 #include <list>
00033 
00034 namespace gcp {
00035 
00044 typedef enum
00045 {
00046         NormalBondType,
00047         UpBondType,
00048         DownBondType,
00049         ForeBondType,
00050         UndeterminedBondType
00051 } BondType;
00052 
00057 typedef struct {
00061         double a;
00065         bool is_before;
00066 } BondCrossing;
00067 
00068 class Atom;
00069 class WidgetData;
00070 
00075 class Bond: public gcu::Bond, public gccv::ItemClient
00076 {
00077 public:
00081         Bond ();
00089         Bond (Atom* first, Atom* last, unsigned char order);
00093         virtual ~Bond ();
00094 
00103         Object* GetAtomAt (double x, double y, double z = 0.);
00107         BondType GetType() const {return m_type;}
00113         void SetType (BondType type);
00120         double GetAngle2D (Atom* pAtom);
00126         void AddCycle (gcu::Cycle* pCycle);
00132         void RemoveCycle (gcu::Cycle* pCycle);
00136         void RemoveAllCycles ();
00148         bool GetLine2DCoords (unsigned Num, double* x1, double* y1, double* x2, double* y2);
00156         virtual bool SaveNode (xmlDocPtr xml, xmlNodePtr node) const;
00162         bool LoadNode (xmlNodePtr node);
00171         void Move (double x, double y, double z = 0);
00181         void Transform2D (gcu::Matrix2D& m, double x, double y);
00191         double GetDist (double x, double y);
00196         void SetDirty ();
00200         void Revert ();
00207         void IncOrder (int n = 1);
00211         void AddItem ();
00215         void UpdateItem ();
00223         void SetSelected (int state);
00228         double GetYAlign ();
00236         bool IsCrossing (Bond *pBond);
00245         bool BuildContextualMenu (GtkUIManager *UIManager, Object *object, double x, double y);
00249         void MoveToBack ();
00253         void BringToFront ();
00260         std::string GetProperty (unsigned property) const;
00269         bool SetProperty (unsigned property, char const *value);
00270 
00279         void AdjustPosition (double &x, double &y);
00280 
00281 private:
00282 //      GnomeCanvasPathDef* BuildPathDef (WidgetData* pData);
00283 //      GnomeCanvasPathDef* BuildCrossingPathDef (WidgetData* pData);
00284         BondType m_type;
00285         double m_coords[16];//coordinates of the lines used to represent the bond in the canvas
00286         bool m_CoordsCalc; //true if m_coords have been calculated, false else
00287         std::map<Bond*, BondCrossing> m_Crossing;
00288         int m_level; // to know which bond should be considered front
00289 };
00290 
00291 }       //      namespace gcp
00292 
00293 #endif // GCHEMPAINT_BOND_H

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