// $Id$ -*- C++ -*- // Edge annotation using boxes // Copyright (C) 1998 Technische Universitaet Braunschweig, Germany. // Written by Andreas Zeller <zeller@gnu.org>. // // 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 3 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, see <http://www.gnu.org/licenses/>. // // DDD is the data display debugger. // For details, see the DDD World-Wide-Web page, // `http://www.gnu.org/software/ddd/', // or send a mail to the DDD developers <ddd@gnu.org>. #ifndef _DDD_BoxEdgeAnnotation_h #define _DDD_BoxEdgeAnnotation_h #include "EdgeA.h" #include "Box.h" #include "assert.h" class BoxEdgeAnnotation: public EdgeAnnotation { public: DECLARE_TYPE_INFO private: Box *_box; // The box to use protected: virtual void _draw(Widget w, const BoxPoint& p, const BoxRegion& exposed, const GraphGC& gc) const; BoxEdgeAnnotation(const BoxEdgeAnnotation &src) : EdgeAnnotation(src), _box(0) { if (src._box != 0) _box = src._box->dup(); } public: BoxEdgeAnnotation(Box *box) : EdgeAnnotation(), _box(box) { assert(box != 0); } virtual ~BoxEdgeAnnotation() { if (_box != 0) _box->unlink(); } BoxEdgeAnnotation& operator=(const BoxEdgeAnnotation& src) { if (this != &src) { Box *new_box = 0; if (src._box != 0) new_box = src._box->dup(); if (_box != 0) _box->unlink(); _box = new_box; } return *this; } // Duplication virtual EdgeAnnotation *dup() const { return new BoxEdgeAnnotation(*this); } // Resources Box *box() const { return _box; } // Print virtual void _print(std::ostream& os, const BoxPoint& p, const GraphGC& gc) const; // Size used by annotation virtual BoxSize size(const GraphGC&) const { return box()->size(); } // Region used by annotation virtual BoxRegion region(const BoxPoint& p, const GraphGC& gc) const; }; #endif // _DDD_BoxEdgeAnnotation_h // DON'T ADD ANYTHING BEHIND THIS #endif