creator/plugins/kparts/codeeditorpart/Actions/AddEdge.h

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/* This file is part of Rocs,
   Copyright (C) 2008 by:
   Tomaz Canabrava <tomaz.canabrava@gmail.com>
   Ugo Sangiori <ugorox@gmail.com>

   Rocs 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 2 of the License, or
   (at your option) any later version.

   Rocs 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 Step; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
#ifndef ACTION_ADDEDGE_H
#define ACTION_ADDEDGE_H

#include "AbstractAction.h"
#include <QObject>
#include <QPointF>
class QGraphicsLineItem;
class NodeItem;
class Node;

class AddEdgeAction : public AbstractAction
{
        Q_OBJECT
    public:
        explicit AddEdgeAction( GraphScene* scene, QObject* parent = 0 );
        void setActiveGraph( Graph* graph );
        ~AddEdgeAction();
    public slots:
        void executePress( QPointF pos );
        void executeMove( QPointF pos );

        void executeRelease( QPointF pos );

    private:
        NodeItem* _nodeFrom;

        NodeItem* _nodeTo;

        QGraphicsLineItem* _tmpLine;

        QPointF _startPos;

        bool _working;

    signals:
        void addEdge( Node* from, Node* to );

};

#endif

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