Add a LICENSE file and cleanup README.md a bit
[deb_shairplay.git] / AirTV-Qt / qtsingleapplication / examples / console / main.cpp
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39
40
41 #include "qtsinglecoreapplication.h"
42 #include <QtCore/QDebug>
43
44
45 void report(const QString& msg)
46 {
47 qDebug("[%i] %s", (int)QCoreApplication::applicationPid(), qPrintable(msg));
48 }
49
50 class MainClass : public QObject
51 {
52 Q_OBJECT
53 public:
54 MainClass()
55 : QObject()
56 {}
57
58 public slots:
59 void handleMessage(const QString& message)
60 {
61 report( "Message received: \"" + message + "\"");
62 }
63 };
64
65 int 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"