Imported Upstream version 0.9.0
[deb_shairplay.git] / AirTV-Qt / qtsingleapplication / examples / console / main.cpp
CommitLineData
15c988f7
JB
1/****************************************************************************
2**
3** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5**
6** Contact: Nokia Corporation (qt-info@nokia.com)
7**
8** This file is part of a Qt Solutions component.
9**
10** You may use this file under the terms of the BSD license as follows:
11**
12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
25**
26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
37**
38****************************************************************************/
39
40
41#include "qtsinglecoreapplication.h"
42#include <QtCore/QDebug>
43
44
45void report(const QString& msg)
46{
47 qDebug("[%i] %s", (int)QCoreApplication::applicationPid(), qPrintable(msg));
48}
49
50class MainClass : public QObject
51{
52 Q_OBJECT
53public:
54 MainClass()
55 : QObject()
56 {}
57
58public slots:
59 void handleMessage(const QString& message)
60 {
61 report( "Message received: \"" + message + "\"");
62 }
63};
64
65int main(int argc, char **argv)
66{
67 report("Starting up");
68
69 QtSingleCoreApplication app(argc, argv);
70
71 if (app.isRunning()) {
72 QString msg(QString("Hi master, I am %1.").arg(QCoreApplication::applicationPid()));
73 bool sentok = app.sendMessage(msg, 2000);
74 QString rep("Another instance is running, so I will exit.");
75 rep += sentok ? " Message sent ok." : " Message sending failed; the other instance may be frozen.";
76 report(rep);
77 return 0;
78 } else {
79 report("No other instance is running; so I will.");
80 MainClass mainObj;
81 QObject::connect(&app, SIGNAL(messageReceived(const QString&)),
82 &mainObj, SLOT(handleMessage(const QString&)));
83 return app.exec();
84 }
85}
86
87
88#include "main.moc"