main.cpp Example File

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 #include <QApplication>
 #include <QUiLoader>
 #include <QtScript>
 #include <QWidget>
 #include <QFile>
 #include <QMainWindow>
 #include <QLineEdit>

 #ifndef QT_NO_SCRIPTTOOLS
 #include <QScriptEngineDebugger>
 #endif

 int main(int argc, char **argv)
 {
     Q_INIT_RESOURCE(calculator);

     QApplication app(argc, argv);
     QScriptEngine engine;

 #if !defined(QT_NO_SCRIPTTOOLS)
     QScriptEngineDebugger debugger;
     debugger.attachTo(&engine);
     QMainWindow *debugWindow = debugger.standardWindow();
     debugWindow->resize(1024, 640);
 #endif

     QString scriptFileName(":/calculator.js");
     QFile scriptFile(scriptFileName);
     scriptFile.open(QIODevice::ReadOnly);
     engine.evaluate(scriptFile.readAll(), scriptFileName);
     scriptFile.close();

     QUiLoader loader;
     QFile uiFile(":/calculator.ui");
     uiFile.open(QIODevice::ReadOnly);
     QWidget *ui = loader.load(&uiFile);
     uiFile.close();

     QScriptValue ctor = engine.evaluate("Calculator");
     QScriptValue scriptUi = engine.newQObject(ui, QScriptEngine::ScriptOwnership);
     QScriptValue calc = ctor.construct(QScriptValueList() << scriptUi);

 #if !defined(QT_NO_SCRIPTTOOLS)
     QLineEdit *display = qFindChild<QLineEdit*>(ui, "display");
     QObject::connect(display, SIGNAL(returnPressed()),
                      debugWindow, SLOT(show()));
 #endif
     ui->show();
     return app.exec();
 }