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drawingcursor.hh

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Guido Tack <tack@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Guido Tack, 2006
00008  *
00009  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  * Permission is hereby granted, free of charge, to any person obtaining
00014  * a copy of this software and associated documentation files (the
00015  * "Software"), to deal in the Software without restriction, including
00016  * without limitation the rights to use, copy, modify, merge, publish,
00017  * distribute, sublicense, and/or sell copies of the Software, and to
00018  * permit persons to whom the Software is furnished to do so, subject to
00019  * the following conditions:
00020  *
00021  * The above copyright notice and this permission notice shall be
00022  * included in all copies or substantial portions of the Software.
00023  *
00024  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00025  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00026  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00027  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00028  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00029  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00030  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00031  *
00032  */
00033 
00034 #ifndef GECODE_GIST_QT_DRAWINGCURSOR_HH
00035 #define GECODE_GIST_QT_DRAWINGCURSOR_HH
00036 
00037 #include <gecode/gist/nodecursor.hh>
00038 #include <gecode/gist/layoutcursor.hh>
00039 #include <QtGui>
00040 
00041 namespace Gecode { namespace Gist {
00042 
00044   class DrawingCursor : public NodeCursor<VisualNode> {
00045   private:
00047     QPainter& painter;
00049     QRect clippingRect;
00051     BestNode* curBest;
00053     double x, y;
00054 
00055     bool copies;
00056 
00058     bool isClipped(void);
00059   public:
00061     static const QColor red;
00063     static const QColor green;
00065     static const QColor blue;
00067     static const QColor orange;
00069     static const QColor white;
00070 
00072     static const QColor lightRed;
00074     static const QColor lightGreen;
00076     static const QColor lightBlue;
00077 
00079     DrawingCursor(VisualNode* root,
00080                   const VisualNode::NodeAllocator& na,
00081                   BestNode* curBest0,
00082                   QPainter& painter0,
00083                   const QRect& clippingRect0, bool showCopies);
00084 
00086 
00087 
00088     void moveUpwards(void);
00090     bool mayMoveDownwards(void);
00092     void moveDownwards(void);
00094     void moveSidewards(void);
00096     void processCurrentNode(void);
00098   };
00099 
00100 }}
00101 
00102 #include <gecode/gist/drawingcursor.hpp>
00103 
00104 #endif
00105 
00106 // STATISTICS: gist-any