# 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