Qt Reference Documentation

# main.cpp Example File

script/helloscript/main.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
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     ** This file is part of the examples of the Qt Toolkit.
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     #include <QApplication>
     #include <QFile>
     #include <QMessageBox>
     #include <QPushButton>
     #include <QTextStream>
     #include <QTranslator>
     #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();

     #ifdef Q_OS_SYMBIAN
         contents.replace("button.show()", "button.showMaximized()");
     #endif

         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();
     }