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nodewidget.cpp

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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 #include <gecode/gist/nodewidget.hh>
00035 #include <gecode/gist/drawingcursor.hh>
00036 
00037 namespace Gecode { namespace Gist {
00038 
00039   NodeWidget::NodeWidget(NodeStatus s) : status(s) {
00040     setMinimumSize(22,22);
00041     setMaximumSize(22,22);
00042   }
00043 
00044   void NodeWidget::paintEvent(QPaintEvent*) {
00045     QPainter painter(this);
00046     painter.setRenderHint(QPainter::Antialiasing);
00047     int hw= width()/2;
00048     int myx = hw+2; int myy = 2;
00049     switch (status) {
00050       case SOLVED:
00051         {
00052           QPoint points[4] = {QPoint(myx,myy),
00053                               QPoint(myx+8,myy+8),
00054                               QPoint(myx,myy+16),
00055                               QPoint(myx-8,myy+8)
00056                              };
00057           painter.setBrush(QBrush(DrawingCursor::green));
00058           painter.drawConvexPolygon(points, 4);
00059         }
00060         break;
00061       case FAILED:
00062         {
00063           painter.setBrush(QBrush(DrawingCursor::red));
00064           painter.drawRect(myx-6, myy+2, 12, 12);
00065         }
00066         break;
00067       case BRANCH:
00068         {
00069           painter.setBrush(QBrush(DrawingCursor::blue));
00070           painter.drawEllipse(myx-8, myy, 16, 16);
00071         }
00072         break;
00073       case UNDETERMINED:
00074         {
00075           painter.setBrush(QBrush(Qt::white));
00076           painter.drawEllipse(myx-8, myy, 16, 16);
00077         }
00078         break;
00079       default:
00080         break;
00081     }
00082   }
00083 
00084 }}
00085 
00086 // STATISTICS: gist-any