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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
28  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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
Node representing a branch.
Definition: spacenode.hh:47
void paintEvent(QPaintEvent *)
Definition: nodewidget.cpp:44
NodeStatus
Status of nodes in the search tree.
Definition: spacenode.hh:44
Node representing failure.
Definition: spacenode.hh:46
static const QColor green
The color for solved nodes.
Node that has not been explored yet.
Definition: spacenode.hh:48
static const QColor blue
The color for choice nodes.
Node representing a solution.
Definition: spacenode.hh:45
static const QColor red
The color for failed nodes.
NodeWidget(NodeStatus s)
Definition: nodewidget.cpp:39
Gecode toplevel namespace