Qt Reference Documentation

main.cpp Example File

script/helloscript/main.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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 ** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of the examples of the Qt Toolkit.
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 ****************************************************************************/

 #include <QApplication>
 #include <QMessageBox>
 #include <QPushButton>
 #include <QtScript>

 int main(int argc, char *argv[])
 {
     Q_INIT_RESOURCE(helloscript);

     QApplication app(argc, argv);

     QScriptEngine engine;

     QTranslator translator;
     translator.load("helloscript_la");
     app.installTranslator(&translator);
     engine.installTranslatorFunctions();

     QPushButton button;
     QScriptValue scriptButton = engine.newQObject(&button);
     engine.globalObject().setProperty("button", scriptButton);

     QString fileName(":/helloscript.js");
     QFile scriptFile(fileName);
     scriptFile.open(QIODevice::ReadOnly);
     QTextStream stream(&scriptFile);
     QString contents = stream.readAll();
     scriptFile.close();

     QScriptValue result = engine.evaluate(contents, fileName);

     if (result.isError()) {
         QMessageBox::critical(0, "Hello Script",
                               QString::fromLatin1("%0:%1: %2")
                               .arg(fileName)
                               .arg(result.property("lineNumber").toInt32())
                               .arg(result.toString()));
         return -1;
     }

     return app.exec();
 }
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