src/gui/s60framework/qs60mainappui.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:40:16 +0200
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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 Symbian application wrapper 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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// INCLUDE FILES
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#include <exception>
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#include <avkon.hrh>
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#include <eikmenub.h>
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#include <eikmenup.h>
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#include <barsread.h>
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#include <s60main.rsg>
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#include <avkon.rsg>
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#include "qs60mainappui.h"
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#include <QtGui/qapplication.h>
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#include <QtGui/qsymbianevent.h>
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#include <QtGui/qmenu.h>
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#include <private/qmenu_p.h>
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#include <private/qt_s60_p.h>
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#include <qdebug.h>
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QT_BEGIN_NAMESPACE
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/*!
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  \class QS60MainAppUi
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  \since 4.6
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  \brief The QS60MainAppUi class is a helper class for S60 migration.
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  \warning This class is provided only to get access to S60 specific
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  functionality in the application framework classes. It is not
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  portable. We strongly recommend against using it in new applications.
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  The QS60MainAppUi provides a helper class for use in migrating from
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  existing S60 based applications to Qt based applications. It is used
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  in the exact same way as the \c CAknAppUi class from Symbian, but
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  internally provides extensions used by Qt.
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  When modifying old S60 applications that rely on implementing
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  functions in \c CAknAppUi, the class should be modified to inherit
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  from this class instead of \c CAknAppUi. Then the application can
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  choose to override only certain functions.
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  For more information on \c CAknAppUi, please see the S60
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  documentation.
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  Unlike other Qt classes, QS60MainAppUi behaves like an S60 class,
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  and can throw Symbian leaves.
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  \sa QS60MainDocument, QS60MainApplication
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 */
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/*!
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 * \brief Second phase Symbian constructor.
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 *
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 * Constructs all the elements of the class that can cause a leave to happen.
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 *
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 * If you override this function, you should call the base class implementation as well.
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 */
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void QS60MainAppUi::ConstructL()
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{
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    // Cone's heap and handle checks on app destruction are not suitable for Qt apps, as many
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    // objects can still exist in static data at that point. Instead we will print relevant information
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    // so that comparative checks may be made for memory leaks, using ~SPrintExitInfo in corelib.
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    iEikonEnv->DisableExitChecks(ETrue);
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    // Initialise app UI with standard value.
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    // ENoAppResourceFile and ENonStandardResourceFile makes UI to work without
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    // resource files in most SDKs. S60 3rd FP1 public seems to require resource file
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    // even these flags are defined
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    TInt flags = CAknAppUi::EAknEnableSkin;
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    if (QApplication::testAttribute(Qt::AA_S60DontConstructApplicationPanes)) {
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        flags |= CAknAppUi::ENoScreenFurniture | CAknAppUi::ENonStandardResourceFile;
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    }
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    BaseConstructL(flags);
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    if (!QApplication::testAttribute(Qt::AA_S60DontConstructApplicationPanes)) {
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        CEikButtonGroupContainer* nativeContainer = Cba();
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        nativeContainer->SetCommandSetL(R_AVKON_SOFTKEYS_EMPTY_WITH_IDS);
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    }
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}
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/*!
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 * \brief Contructs an instance of QS60MainAppUi.
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 */
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QS60MainAppUi::QS60MainAppUi()
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{
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    // No implementation required
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}
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/*!
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 * \brief Destroys the QS60MainAppUi.
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 */
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QS60MainAppUi::~QS60MainAppUi()
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{
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}
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/*!
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 * \brief Handles commands produced by the S60 framework.
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 *
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 * \a command holds the ID of the command to handle, and is S60 specific.
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 *
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 * If you override this function, you should call the base class implementation if you do not
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 * handle the command.
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 */
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void QS60MainAppUi::HandleCommandL(TInt command)
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{
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    if (qApp) {
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        QSymbianEvent event(QSymbianEvent::CommandEvent, command);
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        QT_TRYCATCH_LEAVING(qApp->symbianProcessEvent(&event));
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    }
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}
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/*!
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 * \brief Handles a resource change in the S60 framework.
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 *
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 * Resource changes include layout switches. \a type holds the type of resource change that
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 * occurred.
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 *
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 * If you override this function, you should call the base class implementation if you do not
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 * handle the resource change.
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 */
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void QS60MainAppUi::HandleResourceChangeL(TInt type)
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{
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    CAknAppUi::HandleResourceChangeL(type);
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    if (qApp) {
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        QSymbianEvent event(QSymbianEvent::ResourceChangeEvent, type);
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        QT_TRYCATCH_LEAVING(qApp->symbianProcessEvent(&event));
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    }
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}
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/*!
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 * \brief Handles raw window server events.
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 *
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 * The event type and information is passed in \a wsEvent, while the receiving control is passed in
0
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 * \a destination.
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 *
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 * If you override this function, you should call the base class implementation if you do not
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 * handle the event.
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 */
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void QS60MainAppUi::HandleWsEventL(const TWsEvent& wsEvent, CCoeControl *destination)
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{
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    int result = 0;
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    if (qApp) {
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        QSymbianEvent event(&wsEvent);
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        QT_TRYCATCH_LEAVING(
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            result = qApp->symbianProcessEvent(&event)
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        );
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    }
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    if (result <= 0)
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        CAknAppUi::HandleWsEventL(wsEvent, destination);
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}
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/*!
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 * \brief Handles changes to the status pane size.
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 *
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 * Called by the framework when the application status pane size is changed.
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 *
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 * If you override this function, you should call the base class implementation if you do not
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 * handle the size change.
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 */
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void QS60MainAppUi::HandleStatusPaneSizeChange()
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{
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    TRAP_IGNORE(HandleResourceChangeL(KInternalStatusPaneChange));
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    HandleStackedControlsResourceChange(KInternalStatusPaneChange);
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}
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/*!
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 * \brief Dynamically initializes a menu bar.
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 *
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 * The resource associated with the menu is given in \a resourceId, and the actual menu bar is
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 * passed in \a menuBar.
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 *
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 * If you override this function, you should call the base class implementation as well.
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 */
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void QS60MainAppUi::DynInitMenuBarL(TInt /* resourceId */, CEikMenuBar * /* menuBar */)
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{
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}
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/*!
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 * \brief Dynamically initializes a menu pane.
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 *
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 * The resource associated with the menu is given in \a resourceId, and the actual menu pane is
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 * passed in \a menuPane.
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 *
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 * If you override this function, you should call the base class implementation as well.
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 */
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void QS60MainAppUi::DynInitMenuPaneL(TInt resourceId, CEikMenuPane *menuPane)
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{
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    if (resourceId == R_QT_WRAPPERAPP_MENU) {
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        if (menuPane->NumberOfItemsInPane() <= 1)
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            QT_TRYCATCH_LEAVING(qt_symbian_show_toplevel(menuPane));
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    } else if (resourceId != R_AVKON_MENUPANE_FEP_DEFAULT
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            && resourceId != R_AVKON_MENUPANE_EDITTEXT_DEFAULT
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            && resourceId != R_AVKON_MENUPANE_LANGUAGE_DEFAULT) {
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        QT_TRYCATCH_LEAVING(qt_symbian_show_submenu(menuPane, resourceId));
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    }
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}
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/*!
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 * \brief Restores a menu window.
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 *
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 * The menu window to restore is given in \a menuWindow. The resource ID and type of menu is given
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 * in \a resourceId and \a menuType, respectively.
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 *
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 * If you override this function, you should call the base class implementation as well.
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 */
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void QS60MainAppUi::RestoreMenuL(CCoeControl* menuWindow, TInt resourceId, TMenuType menuType)
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{
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    if (resourceId >= QT_SYMBIAN_FIRST_MENU_ITEM && resourceId <= QT_SYMBIAN_LAST_MENU_ITEM) {
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        if (menuType == EMenuPane)
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            DynInitMenuPaneL(resourceId, (CEikMenuPane*)menuWindow);
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        else
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            DynInitMenuBarL(resourceId, (CEikMenuBar*)menuWindow);
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    } else {
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        CAknAppUi::RestoreMenuL(menuWindow, resourceId, menuType);
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    }
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}
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QT_END_NAMESPACE