mechanism-arrow.h

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00001 // -*- C++ -*-
00002 
00003 /* 
00004  * GChemPaint library
00005  * mechanism-arrow.h 
00006  *
00007  * Copyright (C) 2009-2010 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_MECHANISM_ARROW_H
00026 #define GCHEMPAINT_MECHANISM_ARROW_H
00027 
00030 #include <gccv/item-client.h>
00031 #include <gcu/object.h>
00032 
00033 namespace gcp {
00034 
00038         extern gcu::TypeId MechanismArrowType;
00039 
00045 class MechanismArrow: public gcu::Object, public gccv::ItemClient
00046 {
00047 public:
00051         MechanismArrow ();
00055         virtual ~MechanismArrow ();
00056 
00063         void SetSource (gcu::Object *source);
00072         void SetSourceAux (gcu::Object *aux);
00078         void SetTarget (gcu::Object *target);
00088         void SetControlPoint (int num, double dx, double dy);
00095         void SetShowControls (bool show);
00102         void SetPair (bool is_pair);
00109         void SetEndAtNewBondCenter (bool end_at_new_bond_center);
00110 
00111         // virtual gcu::Object methods
00118         xmlNodePtr Save (xmlDocPtr xml) const;
00125         bool Load (xmlNodePtr node);
00133         void Transform2D (gcu::Matrix2D& m, double x, double y);
00134 
00135         // virtual gccv::ItemClient methods
00139         void AddItem ();
00147         void SetSelected (int state);
00148 
00152         void OnUnlink (Object *object);
00153 
00157         void OnLoaded ();
00158 
00162         std::string Name ();
00163 
00164 private:
00165         double m_CPx1, m_CPy1, m_CPx2, m_CPy2;
00166 
00171 GCU_RO_PROP (gcu::Object *, Source)
00175 GCU_RO_PROP (gcu::Object *, SourceAux)
00179 GCU_RO_PROP (gcu::Object *, Target)
00183 GCU_RO_PROP (bool, ShowControls)
00187 GCU_RO_PROP (bool, Pair)
00192 GCU_RO_PROP (bool, EndAtNewBondCenter)
00193 };
00194 
00195 }       //      namespace gcp
00196 
00197 #endif  //      GCHEMPAINT_MECHANISM_ARROW_H

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