The Gnome Chemistry Utils  0.14.0
gcp/bond.h
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1 // -*- C++ -*-
2 
3 /*
4  * GChemPaint library
5  * bond.h
6  *
7  * Copyright (C) 2001-2012 Jean Bréfort <jean.brefort@normalesup.org>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 3 of the
12  * License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
22  * USA
23  */
24 
25 #ifndef GCHEMPAINT_BOND_H
26 #define GCHEMPAINT_BOND_H
27 
30 #include <gccv/item-client.h>
31 #include <gcu/bond.h>
32 #include <list>
33 
34 namespace gcu {
35 class UIManager;
36 }
37 
38 namespace gcp {
39 
49 typedef enum
50 {
51  NormalBondType,
52  UpBondType,
53  DownBondType,
54  ForeBondType,
55  UndeterminedBondType,
56  NewmanBondType
57 } BondType;
58 
63 typedef struct {
67  double a;
71  bool is_before;
72 } BondCrossing;
73 
74 class Atom;
75 class WidgetData;
76 
81 class Bond: public gcu::Bond, public gccv::ItemClient
82 {
83 public:
87  Bond ();
95  Bond (Atom* first, Atom* last, unsigned char order);
99  virtual ~Bond ();
100 
109  Object* GetAtomAt (double x, double y, double z = 0.);
113  BondType GetType() const {return m_type;}
119  void SetType (BondType type);
126  double GetAngle2D (Atom* pAtom);
132  void AddCycle (gcu::Cycle* pCycle);
138  void RemoveCycle (gcu::Cycle* pCycle);
142  void RemoveAllCycles ();
154  bool GetLine2DCoords (unsigned Num, double* x1, double* y1, double* x2, double* y2);
162  virtual bool SaveNode (xmlDocPtr xml, xmlNodePtr node) const;
168  bool LoadNode (xmlNodePtr node);
177  void Move (double x, double y, double z = 0);
187  void Transform2D (gcu::Matrix2D& m, double x, double y);
197  double GetDist (double x, double y);
202  void SetDirty ();
206  void Revert ();
213  void IncOrder (int n = 1);
217  void AddItem ();
221  void UpdateItem ();
229  void SetSelected (int state);
234  double GetYAlign ();
242  bool IsCrossing (Bond *pBond);
251  bool BuildContextualMenu (gcu::UIManager *UIManager, Object *object, double x, double y);
255  void MoveToBack ();
259  void BringToFront ();
266  std::string GetProperty (unsigned property) const;
275  bool SetProperty (unsigned property, char const *value);
276 
285  void AdjustPosition (double &x, double &y);
286 
290  void OnLoaded ();
291 
292 private:
293 // GnomeCanvasPathDef* BuildPathDef (WidgetData* pData);
294 // GnomeCanvasPathDef* BuildCrossingPathDef (WidgetData* pData);
295  BondType m_type;
296  double m_coords[16];//coordinates of the lines used to represent the bond in the canvas
297  bool m_CoordsCalc; //true if m_coords have been calculated, false else
298  std::map<Bond*, BondCrossing> m_Crossing;
299  int m_level; // to know which bond should be considered front
300 };
301 
302 } // namespace gcp
303 
304 #endif // GCHEMPAINT_BOND_H