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HintGraphN.h
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C/C++ Source or Header
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1998-08-27
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// $Id: HintGraphN.h,v 1.13 1998/08/27 19:46:40 zeller Exp $ -*- C++ -*-
// HintGraphNode class
// 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_HintGraphNode_h
#define _DDD_HintGraphNode_h
#ifdef __GNUG__
#pragma interface
#endif
#include "RegionGN.h"
class HintGraphNode: public RegionGraphNode {
public:
DECLARE_TYPE_INFO
protected:
virtual void forceDraw(Widget w,
const BoxRegion& exposed,
const GraphGC& gc) const;
// Copy Constructor
HintGraphNode(const HintGraphNode &node):
RegionGraphNode(node)
{}
public:
// Constructor
HintGraphNode(const BoxPoint& initialPos = BoxPoint()):
RegionGraphNode(initialPos, BoxSize(0,0))
{}
// Destructor
virtual ~HintGraphNode() {}
GraphNode *dup() const
{
return new HintGraphNode(*this);
}
virtual bool isHint() const { return true; }
virtual const BoxRegion& region(const GraphGC& gc) const
{
if (gc.drawHints)
return sensitiveRegion(gc);
else
return RegionGraphNode::region(gc);
}
virtual const BoxRegion& sensitiveRegion(const GraphGC& gc) const
{
static BoxRegion r;
// return a size-pixel area around the current position
r = BoxRegion(pos() - gc.hintSize / 2, gc.hintSize);
return r;
}
// Print
virtual void _print(ostream&, const GraphGC&) const
{
// Do nothing
}
};
#endif // _DDD_HintGraphNode_h
// DON'T ADD ANYTHING BEHIND THIS #endif