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nodewidget.cpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Guido Tack <tack@gecode.org>
5  *
6  * Copyright:
7  * Guido Tack, 2006
8  *
9  * This file is part of Gecode, the generic constraint
10  * development environment:
11  * http://www.gecode.org
12  *
13  * Permission is hereby granted, free of charge, to any person obtaining
14  * a copy of this software and associated documentation files (the
15  * "Software"), to deal in the Software without restriction, including
16  * without limitation the rights to use, copy, modify, merge, publish,
17  * distribute, sublicense, and/or sell copies of the Software, and to
18  * permit persons to whom the Software is furnished to do so, subject to
19  * the following conditions:
20  *
21  * The above copyright notice and this permission notice shall be
22  * included in all copies or substantial portions of the Software.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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29  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31  *
32  */
33 
36 
37 namespace Gecode { namespace Gist {
38 
40  setMinimumSize(22,22);
41  setMaximumSize(22,22);
42  }
43 
44  void NodeWidget::paintEvent(QPaintEvent*) {
45  QPainter painter(this);
46  painter.setRenderHint(QPainter::Antialiasing);
47  int hw= width()/2;
48  int myx = hw+2; int myy = 2;
49  switch (status) {
50  case SOLVED:
51  {
52  QPoint points[4] = {QPoint(myx,myy),
53  QPoint(myx+8,myy+8),
54  QPoint(myx,myy+16),
55  QPoint(myx-8,myy+8)
56  };
57  painter.setBrush(QBrush(DrawingCursor::green));
58  painter.drawConvexPolygon(points, 4);
59  }
60  break;
61  case FAILED:
62  {
63  painter.setBrush(QBrush(DrawingCursor::red));
64  painter.drawRect(myx-6, myy+2, 12, 12);
65  }
66  break;
67  case BRANCH:
68  {
69  painter.setBrush(QBrush(DrawingCursor::blue));
70  painter.drawEllipse(myx-8, myy, 16, 16);
71  }
72  break;
73  case UNDETERMINED:
74  {
75  painter.setBrush(QBrush(Qt::white));
76  painter.drawEllipse(myx-8, myy, 16, 16);
77  }
78  break;
79  default:
80  break;
81  }
82  }
83 
84 }}
85 
86 // STATISTICS: gist-any
static const QColor red
The color for failed nodes.
static const QColor blue
The color for choice nodes.
static const QColor green
The color for solved nodes.
NodeWidget(NodeStatus s)
Definition: nodewidget.cpp:39
void paintEvent(QPaintEvent *)
Definition: nodewidget.cpp:44
NodeStatus
Status of nodes in the search tree.
Definition: spacenode.hh:44
@ UNDETERMINED
Node that has not been explored yet.
Definition: spacenode.hh:48
@ FAILED
Node representing failure.
Definition: spacenode.hh:46
@ SOLVED
Node representing a solution.
Definition: spacenode.hh:45
@ BRANCH
Node representing a branch.
Definition: spacenode.hh:47