#include #include #include #include #include "calculator.h" int main(int argc, char** argv) { QApplication app(argc, argv); qmlRegisterType("calculator.lcd", 1, 0, "CLcd"); QQmlApplicationEngine engine; engine.load(QUrl(QStringLiteral("qrc:/main.qml"))); Calculator calculator; engine.rootContext()->setContextProperty("_calculator", &calculator); return app.exec(); }