# reaction-operator.h

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    00001 // -*- C++ -*-
    00002
    00003 /*
    00004  * GChemPaint library
    00005  * reaction-operator.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_REACTION_OPERATOR_H
    00026 #define GCHEMPAINT_REACTION_OPERATOR_H
    00027
    00028 #include <gcu/object.h>
    00029
    00031 namespace gcp {
    00032
    00039 class ReactionOperator: public gcu::Object
    00040 {
    00041 public:
    00045         ReactionOperator ();
    00049         virtual ~ReactionOperator ();
    00050
    00056         virtual void Add (GtkWidget* w) const;
    00062         virtual void Update (GtkWidget* w) const;
    00070         virtual void Move (double x, double y, double z = 0);
    00079         virtual void SetSelected (GtkWidget* w, int state);
    00087         void SetCoords (double x, double y);
    00094         bool GetCoords (double* x, double* y) const;
    00099         virtual double GetYAlign ();
    00100
    00101 private:
    00102         double m_x, m_y;
    00103         PangoLayout *m_Layout;
    00104 };
    00105
    00106 }       //      namespace gcp
    00107
    00108 #endif  //      GCHEMPAINT_REACTION_OPERATOR_H