/****************************************************************************+
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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 plugins 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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/****************************************************************************+
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**+
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** Implementation of QMultiInputContext class+
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**+
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** Copyright (C) 2004 immodule for Qt Project.  All rights reserved.+
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**+
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** This file is written to contribute to Nokia Corporation and/or its subsidiary(-ies) under their own+
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** licence. You may use this file under your Qt license. Following+
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** description is copied from their original file headers. Contact+
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** immodule-qt@freedesktop.org if any conditions of this licensing are+
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** not clear to you.+
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**+
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****************************************************************************/+
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+
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#ifndef QT_NO_IM+
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#include "qmultiinputcontext.h"+
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#include <qinputcontextfactory.h>+
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#include <qstringlist.h>+
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#include <qaction.h>+
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#include <qsettings.h>+
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#include <qmenu.h>+
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+
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#include <stdlib.h>+
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+
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QT_BEGIN_NAMESPACE+
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+
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QMultiInputContext::QMultiInputContext()+
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    : QInputContext(), current(-1)+
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{+
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    keys = QInputContextFactory::keys();+
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    for (int i = keys.size()-1; i >= 0; --i)+
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        if (keys.at(i).contains(QLatin1String("imsw")))+
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            keys.removeAt(i);+
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+
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    QString def = QLatin1String(getenv("QT4_IM_MODULE"));+
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    if (def.isEmpty())+
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        def = QLatin1String(getenv("QT_IM_MODULE"));+
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    if (def.isEmpty()) {+
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        QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));+
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        settings.beginGroup(QLatin1String("Qt"));+
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        def = settings.value(QLatin1String("DefaultInputMethod"), QLatin1String("xim")).toString();+
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    }+
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    current = keys.indexOf(def);+
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    if (current < 0)+
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        current = 0;+
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+
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    menu = new QMenu(tr("Select IM"));+
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    separator = new QAction(this);+
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    separator->setSeparator(true);+
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+
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    QActionGroup *group = new QActionGroup(this);+
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    for (int i = 0; i < keys.size(); ++i) {+
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        slaves.append(0);+
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        const QString key = keys.at(i);+
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        QAction *a = menu->addAction(QInputContextFactory::displayName(key));+
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        a->setData(key);+
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        a->setCheckable(true);+
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        group->addAction(a);+
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        if (i == current) {+
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            slaves.replace(current, QInputContextFactory::create(key, this));+
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            a->setChecked(true);+
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        }+
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    }+
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    connect(group, SIGNAL(triggered(QAction*)), this, SLOT(changeSlave(QAction*)));+
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}+
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+
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QMultiInputContext::~QMultiInputContext()+
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{+
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    delete menu;+
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}+
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+
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+
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QString QMultiInputContext::identifierName()+
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{+
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    return (slave()) ? slave()->identifierName() : QLatin1String("");+
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}+
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+
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QString QMultiInputContext::language()+
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{+
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    return (slave()) ? slave()->language() : QLatin1String("");+
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}+
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+
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+
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#if defined(Q_WS_X11)+
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bool QMultiInputContext::x11FilterEvent(QWidget *keywidget, XEvent *event)+
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{+
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    return (slave()) ? slave()->x11FilterEvent(keywidget, event) : false;+
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}+
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#endif // Q_WS_X11+
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+
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+
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bool QMultiInputContext::filterEvent(const QEvent *event)+
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{+
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    return (slave()) ? slave()->filterEvent(event) : false;+
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}+
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+
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void QMultiInputContext::reset()+
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{+
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    if (slave())+
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	slave()->reset();+
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}+
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+
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void QMultiInputContext::update()+
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{+
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    if (slave())+
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	slave()->update();+
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}+
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+
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void QMultiInputContext::mouseHandler(int x, QMouseEvent *event)+
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{+
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    if (slave())+
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	slave()->mouseHandler(x, event);+
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}+
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+
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QFont QMultiInputContext::font() const+
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{+
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    return (slave()) ? slave()->font() : QInputContext::font();+
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}+
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+
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void QMultiInputContext::setFocusWidget(QWidget *w)+
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{+
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    QInputContext::setFocusWidget(w);+
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    if (slave())+
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	slave()->setFocusWidget(w);+
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}+
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+
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QWidget *QMultiInputContext::focusWidget() const+
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{+
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    return QInputContext::focusWidget();+
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}+
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+
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void QMultiInputContext::widgetDestroyed(QWidget *w)+
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{+
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    if (slave())+
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	slave()->widgetDestroyed(w);+
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}+
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+
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bool QMultiInputContext::isComposing() const+
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{+
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    return (slave()) ? slave()->isComposing() : false;+
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}+
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+
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QList<QAction *> QMultiInputContext::actions()+
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{+
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    QList<QAction *> a = slave()->actions();+
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    a.append(separator);+
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    a.append(menu->menuAction());+
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    return a;+
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}+
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+
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void QMultiInputContext::changeSlave(QAction *a)+
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{+
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    for (int i = 0; i < slaves.size(); ++i) {+
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        if (keys.at(i) == a->data().toString()) {+
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            if (slaves.at(i) == 0)+
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                slaves.replace(i, QInputContextFactory::create(keys.at(i), this));+
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            QInputContext *qic = slaves.at(current);+
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            QWidget *oldWidget = qic->focusWidget();+
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            qic->reset();+
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            qic->setFocusWidget(0);+
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            current = i;+
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            qic = slaves.at(current);+
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            qic->setFocusWidget(oldWidget);+
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            return;+
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        }+
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    }+
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}+
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+
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QT_END_NAMESPACE+
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+
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#endif // QT_NO_IM+
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