source: trunk/doc/src/snippets/statemachine/main.cpp@ 568

Last change on this file since 568 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.

  • Property svn:eol-style set to native
File size: 2.9 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the documentation of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QtGui>
43
44int main(int argv, char **args)
45{
46 QApplication app(argv, args);
47
48 QLabel *label = new QLabel;
49
50//![0]
51 QStateMachine machine;
52 QState *s1 = new QState();
53 QState *s2 = new QState();
54 QState *s3 = new QState();
55//![0]
56
57//![4]
58 s1->assignProperty(label, "text", "In state s1");
59 s2->assignProperty(label, "text", "In state s2");
60 s3->assignProperty(label, "text", "In state s3");
61//![4]
62
63//![5]
64 QObject::connect(s3, SIGNAL(entered()), button, SLOT(showMaximized()));
65 QObject::connect(s3, SIGNAL(exited()), button, SLOT(showMinimized()));
66//![5]
67
68//![1]
69 s1->addTransition(button, SIGNAL(clicked()), s2);
70 s2->addTransition(button, SIGNAL(clicked()), s3);
71 s3->addTransition(button, SIGNAL(clicked()), s1);
72//![1]
73
74//![2]
75 machine.addState(s1);
76 machine.addState(s2);
77 machine.addState(s3);
78 machine.setInitialState(s1);
79//![2]
80
81//![3]
82 machine.start();
83//![3]
84
85 label->show();
86
87 return app.exec();