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50
51#include <QApplication>
52
53#ifndef QT_NO_SYSTEMTRAYICON
54
55#include <QMessageBox>
56#include "window.h"
57
58int main(int argc, char *argv[])
59{
60 Q_INIT_RESOURCE(systray);
61
62 QCoreApplication::setAttribute(attribute: Qt::AA_UseHighDpiPixmaps);
63
64 QApplication app(argc, argv);
65
66 if (!QSystemTrayIcon::isSystemTrayAvailable()) {
67 QMessageBox::critical(parent: nullptr, title: QObject::tr(s: "Systray"),
68 text: QObject::tr(s: "I couldn't detect any system tray "
69 "on this system."));
70 return 1;
71 }
72 QApplication::setQuitOnLastWindowClosed(false);
73
74 Window window;
75 window.show();
76 return app.exec();
77}
78
79#else
80
81#include <QLabel>
82#include <QDebug>
83
84int main(int argc, char *argv[])
85{
86 QApplication app(argc, argv);
87 QString text("QSystemTrayIcon is not supported on this platform");
88
89 QLabel *label = new QLabel(text);
90 label->setWordWrap(true);
91
92 label->show();
93 qDebug() << text;
94
95 app.exec();
96}
97
98#endif
99

source code of qtbase/examples/widgets/desktop/systray/main.cpp