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HatBox.h
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C/C++ Source or Header
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1998-11-23
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// $Id: HatBox.h,v 1.14 1998/11/23 15:00:21 zeller Exp $
// A box with a single child
// 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_HatBox_h
#define _DDD_HatBox_h
#ifdef __GNUG__
#pragma interface
#endif
// A HatBox envelops a child (like a hat) to change specific
// properties such as size or extent.
#include "Box.h"
#include "Widget.h"
// HatBox
class HatBox: public Box {
public:
DECLARE_TYPE_INFO
protected:
Box *_box;
virtual void _draw(Widget w,
const BoxRegion& region,
const BoxRegion& exposed, GC gc,
bool context_selected) const;
HatBox(const HatBox& box):
Box(box), _box(box._box->link())
{}
bool matches (const Box &b, const Box * = 0) const
{
return Box::matches(b) && *_box == *(((HatBox *)&b)->_box);
}
const TagBox *findTag(const BoxPoint& p) const
{
return _box->findTag(p);
}
private:
HatBox& operator = (const HatBox&) { assert(0); return *this; }
public:
HatBox(Box *box, char *t = "HatBox"):
Box(box->size(), box->extend(), t), _box(box->link())
{}
~HatBox() { _box->unlink(); }
Box *box() { return _box; }
Box *resize() {
_box->resize();
thesize() = _box->size();
theextend() = _box->extend();
return this;
}
void newFont(const string& font) { _box->newFont(font); resize(); }
void countMatchBoxes(int instances[]) const
{
_box->countMatchBoxes(instances);
}
void _print(ostream& os,
const BoxRegion& region,
const PrintGC& gc) const;
BoxSize corner() const { return _box->corner(); }
string str() const { return _box->str(); }
};
#endif