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PosGraphN.h
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C/C++ Source or Header
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1998-03-25
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// $Id: PosGraphN.h,v 1.12 1998/03/25 12:43:58 zeller Exp $
// PosGraphNode class: GraphNode with position
// Copyright (C) 1995 Technische Universitaet Braunschweig, Germany.
// Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
//
// This file is part of DDD.
//
// DDD 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.
//
// DDD 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 DDD -- see the file COPYING.
// If not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// DDD is the data display debugger.
// For details, see the DDD World-Wide-Web page,
// `http://www.cs.tu-bs.de/softech/ddd/',
// or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
#ifndef _DDD_PosGraphNode_h
#define _DDD_PosGraphNode_h
#ifdef __GNUG__
#pragma interface
#endif
#include "GraphNode.h"
#include "BoxPoint.h"
class PosGraphNode: public GraphNode {
public:
DECLARE_TYPE_INFO
private:
BoxPoint _pos; // position
protected:
// Copy Constructor
PosGraphNode(const PosGraphNode& node):
GraphNode(node),
_pos(node._pos)
{}
public:
// Constructor
PosGraphNode(const BoxPoint& initialPos = BoxPoint()):
_pos(initialPos)
{}
// Destructor
virtual ~PosGraphNode() {}
// Position change handler: return true iff ok
static bool (*MoveCB)(PosGraphNode *node, const BoxPoint& newPos);
// Move
virtual void moveTo(const BoxPoint& newPos)
{
if (_pos != newPos && MoveCB(this, newPos))
_pos = newPos;
}
// Attributes
virtual const BoxPoint& pos() const
{
return _pos;
}
};
#endif // _DDD_PosGraphNode_h
// DON'T ADD ANYTHING BEHIND THIS #endif