doc/src/examples/activeqt/webbrowser.qdoc
author Eckhart Koeppen <eckhart.koppen@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the documentation of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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/*!
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    \example activeqt/webbrowser
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    \title Web Browser Example (ActiveQt)
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    The Web Browser example uses the Microsoft Web Browser
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    ActiveX control to implement a fully functional Web Browser
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    application. The user interface has been developed using the Qt
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    Designer integration of the QAxWidget class.
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    The code demonstrates how the Qt application can communicate 
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    with the embedded ActiveX controls using signals, slots and the 
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    dynamicCall() function.
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    \snippet examples/activeqt/webbrowser/main.cpp 0
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    The \c MainWindow class declares a \c QMainWindow based user interface,
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    using the \c Ui::MainWindow class generated by Qt Designer. A number
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    of slots are implemented to handle events from the various user 
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    interface elements, including the \c WebBrowser object, which is a
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    QAxWidget hosting the Microsoft Web Browser control.
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    \snippet examples/activeqt/webbrowser/main.cpp 1
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    The constructor initializes the user interface, installs a
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    progress bar on the status bar, and uses QAxBase::dynamicCall()
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    to invoke the \c GoHome() method of Internet Explorer to
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    navigate  to the user's home page.
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    \snippet examples/activeqt/webbrowser/main.cpp 2
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    Different slots handle the signals emitted by the WebBrowser object.
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    Connections that don't require any coding, i.e. connecting the \c back 
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    action to the \c GoBack() slot, have already been made in Qt Designer.
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    \snippet examples/activeqt/webbrowser/main.cpp 3
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    \snippet examples/activeqt/webbrowser/main.cpp 4
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    The rest of the implementation is not related to ActiveQt - the actions
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    are handled by different slots, and the entry point function starts the
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    application using standard Qt APIs.
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    To build the example you must first build the QAxContainer
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    library. Then run your make tool in \c
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    examples/activeqt/webbrowser and run the resulting \c
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    webbrowser.exe.
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*/