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00025 #ifndef GCHEMPAINT_ATOM_H
00026 #define GCHEMPAINT_ATOM_H
00027
00028 #include <map>
00029 #include <glib.h>
00030 #include <gcu/atom.h>
00031 #include <gcu/dialog-owner.h>
00032 #include <gcu/element.h>
00033 #include <gcu/macros.h>
00034 #include <libgnomecanvas/gnome-canvas.h>
00035 #include "widgetdata.h"
00036
00037 namespace OpenBabel
00038 {
00039 class OBAtom;
00040 }
00041
00043 namespace gcp {
00044
00045 class Bond;
00046 class Molecule;
00047
00051 #define POSITION_NE 1
00052
00055 #define POSITION_NW 2
00056
00059 #define POSITION_N 4
00060
00063 #define POSITION_SE 8
00064
00067 #define POSITION_SW 16
00068
00071 #define POSITION_S 32
00072
00075 #define POSITION_E 64
00076
00079 #define POSITION_W 128
00080
00085 typedef enum {
00089 LEFT_HPOS,
00093 RIGHT_HPOS,
00097 TOP_HPOS,
00101 BOTTOM_HPOS,
00105 AUTO_HPOS,
00106 } HPos;
00107
00108 class Electron;
00109
00113 class Atom: public gcu::Atom, public gcu::DialogOwner
00114 {
00115 public:
00119 Atom ();
00128 Atom (int Z, double x, double y, double z);
00135 Atom (OpenBabel::OBAtom* atom);
00139 virtual ~Atom ();
00140
00141 public :
00147 virtual void SetZ (int Z);
00153 void AddBond (gcu::Bond* pBond);
00159 void RemoveBond (gcu::Bond* pBond);
00163 virtual void Update ();
00169 virtual void Add (GtkWidget* w) const;
00175 virtual void Update (GtkWidget* w) const;
00179 int GetTotalBondsNumber () const;
00183 int GetAttachedHydrogens () const {return m_nH;}
00188 HPos GetBestSide ();
00206 virtual int GetChargePosition (unsigned char& Pos, double Angle, double& x, double& y);
00216 virtual int GetAvailablePosition (double& x, double& y);
00226 virtual bool GetPosition (double angle, double& x, double& y);
00233 virtual xmlNodePtr Save (xmlDocPtr xml) const;
00240 virtual bool Load (xmlNodePtr node);
00246 virtual bool LoadNode (xmlNodePtr node);
00255 virtual void SetSelected (GtkWidget* w, int state);
00261 virtual bool AcceptNewBonds (int nb = 1);
00267 virtual bool AcceptCharge (int charge);
00273 virtual double GetYAlign ();
00281 virtual void Transform2D (gcu::Matrix2D& m, double x, double y);
00290 bool BuildContextualMenu (GtkUIManager *UIManager, Object *object, double x, double y);
00296 virtual void AddToMolecule (Molecule* Mol);
00300 bool HasImplicitElectronPairs ();
00304 bool MayHaveImplicitUnpairedElectrons ();
00310 void AddElectron (Electron* electron);
00316 void RemoveElectron (Electron* electron);
00323 void NotifyPositionOccupation (unsigned char pos, bool occupied);
00332 void SetChargePosition (unsigned char Pos, bool def, double angle = 0., double distance = 0.);
00339 char GetChargePosition (double *Angle, double *Dist) const;
00345 void SetCharge (int charge);
00349 int GetCharge () const {return m_Charge;}
00353 void ForceChanged () {m_Changed = true;}
00364 bool Match (gcu::Atom *atom, gcu::AtomMatchState &state);
00365
00378 void GetSymbolGeometry (double &width, double &height, double &angle, bool up) const;
00379
00380 protected:
00388 void BuildSymbolGeometry (double width, double height, double ascent);
00389
00390 private:
00391 void BuildItems (WidgetData* pData);
00392 void UpdateAvailablePositions ();
00393
00394 private:
00395 gcu::Element *m_Element;
00396 int m_nH;
00397 int m_Valence;
00398 int m_ValenceOrbitals;
00399 int m_nlp;
00400 int m_nlu;
00401 double m_width, m_height;
00402 double m_length, m_text_height;
00403 HPos m_HPos;
00404 bool m_ChargeAuto;
00405 int m_Changed;
00406 int m_ascent;
00407 double m_lbearing;
00408 unsigned char m_AvailPos;
00409 unsigned char m_OccupiedPos;
00410 bool m_AvailPosCached;
00411 unsigned char m_ChargePos;
00412 bool m_ChargeAutoPos;
00413 double m_ChargeAngle;
00414 double m_ChargeDist;
00415 double m_ChargeWidth, m_ChargeTWidth, m_ChargeXOffset, m_ChargeYOffset;
00416 std::list<double> m_AngleList;
00417 std::map<double, double> m_InterBonds;
00418
00419 PangoLayout *m_Layout, *m_ChargeLayout, *m_HLayout;
00420 double m_xHOffs, m_yHOffs;
00421 bool m_DrawCircle;
00422 std::string m_FontName;
00423 double m_SWidth, m_SHeightH, m_SHeightL, m_SAngleH, m_SAngleL;
00424
00425 double m_xROffs, m_yROffs;
00426
00427 protected:
00431 double m_CHeight;
00432
00444 GCU_PROP (bool, ShowSymbol)
00445
00446
00457 GCU_PROP (HPos, HPosStyle)
00458 };
00459
00460 }
00461
00462 #endif // GCHEMPAINT_ATOM_H