electron.h

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00001 // -*- C++ -*-
00002 
00003 /* 
00004  * GChemPaint library
00005  * electron.h
00006  *
00007  * Copyright (C) 2004-2008 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_ELECTRON_H
00026 #define GCHEMPAINT_ELECTRON_H
00027 
00028 #include <gcu/object.h>
00029 
00031 namespace gcp {
00032 
00033 class Atom;
00034 
00038 extern gcu::TypeId ElectronType;
00039 
00043 class Electron: public gcu::Object
00044 {
00045 public:
00052         Electron (Atom *pAtom, bool IsPair);
00056         ~Electron ();
00057 
00061         bool IsPair () {return m_IsPair;}
00069         char GetPosition (double *angle, double *distance);
00077         void SetPosition (unsigned char Pos, double angle = 0., double distance = 0.);
00083         void Add(GtkWidget* w) const;
00089         void Update(GtkWidget* w) const;
00098         void SetSelected(GtkWidget* w, int state);
00105         xmlNodePtr Save (xmlDocPtr xml) const;
00112         bool Load (xmlNodePtr node);
00124         bool OnSignal (gcu::SignalId Signal, gcu::Object *Child);
00132         void Transform2D (gcu::Matrix2D& m, double x, double y);
00133 
00134 private:
00135         Atom* m_pAtom;
00136         bool m_IsPair;
00137         unsigned char m_Pos;
00138         double m_Angle, m_Dist;
00139 };
00140 
00141 }       //      namespace gcp
00142 
00143 #endif  // GCHEMPAINT_ELECTRON_H

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