1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the examples of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include <QApplication>

    43 #include <QUiLoader>

    44 #include <QtScript>

    45 #include <QWidget>

    46 #include <QFile>

    47 #include <QMainWindow>

    48 #include <QLineEdit>

    49 

    50 #ifndef QT_NO_SCRIPTTOOLS

    51 #include <QScriptEngineDebugger>

    52 #endif

    53 

    54 int main(int argc, char **argv)

    55 {

    56     Q_INIT_RESOURCE(calculator);

    57 

    58     QApplication app(argc, argv);

    59 //! [0a]

    60     QScriptEngine engine;

    61 //! [0a]

    62 

    63 #if !defined(QT_NO_SCRIPTTOOLS)

    64     QScriptEngineDebugger debugger;

    65     debugger.attachTo(&engine);

    66     QMainWindow *debugWindow = debugger.standardWindow();

    67     debugWindow->resize(1024, 640);

    68 #endif

    69 

    70 //! [0b]

    71     QString scriptFileName(":/calculator.js");

    72     QFile scriptFile(scriptFileName);

    73     scriptFile.open(QIODevice::ReadOnly);

    74     engine.evaluate(scriptFile.readAll(), scriptFileName);

    75     scriptFile.close();

    76 //! [0b]

    77 

    78 //! [1]

    79     QUiLoader loader;

    80     QFile uiFile(":/calculator.ui");

    81     uiFile.open(QIODevice::ReadOnly);

    82     QWidget *ui = loader.load(&uiFile);

    83     uiFile.close();

    84 //! [1]

    85 

    86 //! [2]

    87     QScriptValue ctor = engine.evaluate("Calculator");

    88     QScriptValue scriptUi = engine.newQObject(ui, QScriptEngine::ScriptOwnership);

    89     QScriptValue calc = ctor.construct(QScriptValueList() << scriptUi);

    90 //! [2]

    91 

    92 #if !defined(QT_NO_SCRIPTTOOLS)

    93     QLineEdit *display = qFindChild<QLineEdit*>(ui, "display");

    94     QObject::connect(display, SIGNAL(returnPressed()),

    95                      debugWindow, SLOT(show()));

    96 #endif

    97 //! [3]

    98     ui->show();

    99     return app.exec();

   100 //! [3]

   101 }