mechanism-arrow.h

Go to the documentation of this file.

// -*- C++ -*-

/*
 * GChemPaint library
 * mechanism-arrow.h
 *
 * Copyright (C) 2009-2010 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef GCHEMPAINT_MECHANISM_ARROW_H
#define GCHEMPAINT_MECHANISM_ARROW_H

#include <gccv/item-client.h>
#include <gcu/object.h>

namespace gcp {

        extern gcu::TypeId MechanismArrowType;

class MechanismArrow: public gcu::Object, public gccv::ItemClient
{
public:
        MechanismArrow ();
        virtual ~MechanismArrow ();

        void SetSource (gcu::Object *source);
        void SetSourceAux (gcu::Object *aux);
        void SetTarget (gcu::Object *target);
        void SetControlPoint (int num, double dx, double dy);
        void SetShowControls (bool show);
        void SetPair (bool is_pair);
        void SetEndAtNewBondCenter (bool end_at_new_bond_center);

        // virtual gcu::Object methods
        xmlNodePtr Save (xmlDocPtr xml) const;
        bool Load (xmlNodePtr node);
        void Transform2D (gcu::Matrix2D& m, double x, double y);

        // virtual gccv::ItemClient methods
        void AddItem ();
        void SetSelected (int state);

        void OnUnlink (Object *object);

        void OnLoaded ();

        std::string Name ();

        bool CanSelect () const;

private:
        double m_CPx1, m_CPy1, m_CPx2, m_CPy2;

GCU_RO_PROP (gcu::Object *, Source)
GCU_RO_PROP (gcu::Object *, SourceAux)
GCU_RO_PROP (gcu::Object *, Target)
GCU_RO_PROP (bool, ShowControls)
GCU_RO_PROP (bool, Pair)
GCU_RO_PROP (bool, EndAtNewBondCenter)
};

}       //      namespace gcp

#endif  //      GCHEMPAINT_MECHANISM_ARROW_H