Qt 4.8: main.cpp Example File (script/helloscript/main.cpp)

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# main.cpp Example File

script/helloscript/main.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
     **   * Redistributions in binary form must reproduce the above copyright
     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
     **     distribution.
     **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
     **     of its contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
     **
     **
     ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
     **
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     #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();
     }