/* SPDX-FileCopyrightText: 2011 Aaron Seigo SPDX-License-Identifier: BSD-2-Clause */ #include #include #include #include "simpleEngine.h" /* This DataEngine provides a static set of data that is created on engine creation. This is a common pattern for DataEngines that relay information such as hardware events and shows the most basic form of a DataEngine */ SimpleEngine::SimpleEngine(QObject *parent, const QVariantList &args) : Plasma::DataEngine(parent, args) { // we've passed the constructor's args to our parent class // we're done for now! Call init() init(); } void SimpleEngine::init() { // So now we will set up some sources. // Each DataEngine will, generally, be loaded once. Each DataEngine // can provide multiple sets of data keyed by a string, called "Sources". // In this simplest of cases, we just create some sources arbitrarily. // This is the simplest form, with source name and one bit of data. // Note how the source name is not translated! They can be marked with // I18N_NOOP, however, if they should be translatable in a visualization. setData(QStringLiteral("Simple Source"), i18n("Very simple data")); // a source can have multiple entries, differentiated by key names, // which are also not translated: setData(QStringLiteral("Multiple Source"), QStringLiteral("First"), i18n("First")); setData(QStringLiteral("Multiple Source"), QStringLiteral("Second"), i18n("Second")); // We can also set the data up first and apply it all at once // Note how data types other than strings can be used as well; anything // that works with QVariant, in fact. Plasma::DataEngine::Data data; data.insert(QStringLiteral("Cow"), QStringLiteral("mooo")); data.insert(QStringLiteral("Black"), QColor(0, 0, 0)); data.insert(QStringLiteral("Time"), QTime::currentTime()); setData(QStringLiteral("Another Source"), data); } // export the plugin; use the plugin name and the class name K_PLUGIN_CLASS_WITH_JSON(SimpleEngine, "plasma-dataengine-example-simpleEngine.json") // include the moc file so the build system makes it for us #include "simpleEngine.moc"