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Файл примера main.cpp
^{script/calculator/main.cpp}

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 #include <QApplication>
 #include <QUiLoader>
 #include <QtScript>
 #include <QWidget>
 #include <QFile>
 #include <QMessageBox>

 int main(int argc, char **argv)
 {
     QApplication app(argc, argv);
     QScriptEngine engine;

     QFile scriptFile(":/calculator.js");
     scriptFile.open(QIODevice::ReadOnly);
     engine.evaluate(scriptFile.readAll());
     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);
     QScriptValue calc = ctor.construct(QScriptValueList() << scriptUi);

     ui->show();
     return app.exec();
 }