mechanism-step.h

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// -*- C++ -*-

/*
 * GChemPaint library
 * mechanism-step.h
 *
 * Copyright (C) 2009-2011 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_STEP_H
#define GCHEMPAINT_MECHANISM_STEP_H

#include <gcp/step.h>

namespace gcp {

extern gcu::TypeId MechanismStepType;

class MechanismStep: public Step
{
friend class MechanismStepPrivate;
public:
        MechanismStep (gcu::TypeId type = MechanismStepType);
        virtual ~MechanismStep ();

        double GetYAlign ();
        bool OnSignal (gcu::SignalId Signal, gcu::Object *Child);
        xmlNodePtr Save (xmlDocPtr xml) const;
        bool Load (xmlNodePtr node);

        std::string Name ();

        void NotifyEmpty ();
        bool BuildContextualMenu (gcu::UIManager *UIManager, gcu::Object *object, double x, double y);

private:
        bool m_bLoading;
        gcu::Object *m_Alignment;
};

}       //      namespace gcp

#endif  //      GCHEMPAINT_MECHANISM_STEP_H