complexpong.cpp 范例文件

complexpingpong/complexpong.cpp
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#include <stdio.h> #include <stdlib.h> #include <QtCore/QCoreApplication> #include <QtCore/QTimer> #include <QtDBus/QtDBus> #include "ping-common.h" #include "complexpong.h" // the property QString Pong::value() const { return m_value; } void Pong::setValue(const QString &newValue) { m_value = newValue; } void Pong::quit() { QTimer::singleShot(0, QCoreApplication::instance(), &QCoreApplication::quit); } QDBusVariant Pong::query(const QString &query) { QString q = query.toLower(); if (q == "hello") return QDBusVariant("World"); if (q == "ping") return QDBusVariant("Pong"); if (q.indexOf("the answer to life, the universe and everything") != -1) return QDBusVariant(42); if (q.indexOf("unladen swallow") != -1) { if (q.indexOf("european") != -1) return QDBusVariant(11.0); return QDBusVariant(QByteArray("african or european?")); } return QDBusVariant("Sorry, I don't know the answer"); } int main(int argc, char **argv) { QCoreApplication app(argc, argv); QObject obj; Pong *pong = new Pong(&obj); QObject::connect(&app, &QCoreApplication::aboutToQuit, pong, &Pong::aboutToQuit); pong->setProperty("value", "initial value"); QDBusConnection::sessionBus().registerObject("/", &obj); if (!QDBusConnection::sessionBus().registerService(SERVICE_NAME)) { fprintf(stderr, "%s\n", qPrintable(QDBusConnection::sessionBus().lastError().message())); exit(1); } app.exec(); return 0; }