qinputcontextfactory.cpp

Go to the documentation of this file.

/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

/****************************************************************************
**
** Implementation of QInputContextFactory class
**
** Copyright (C) 2003-2004 immodule for Qt Project.  All rights reserved.
**
** This file is written to contribute to Nokia Corporation and/or its subsidiary(-ies) under their own
** license. You may use this file under your Qt license. Following
** description is copied from their original file headers. Contact
** immodule-qt@freedesktop.org if any conditions of this licensing are
** not clear to you.
**
****************************************************************************/

#include "qinputcontextfactory.h"

#ifndef QT_NO_IM

#include "qcoreapplication.h"
#include "qinputcontext.h"
#include "qinputcontextplugin.h"

#ifdef Q_WS_X11
#include "private/qt_x11_p.h"
#include "qximinputcontext_p.h"
#endif
#ifdef Q_WS_WIN
#include "qwininputcontext_p.h"
#endif
#ifdef Q_WS_MAC
#include "qmacinputcontext_p.h"
#endif
#ifdef Q_WS_S60
#include "qcoefepinputcontext_p.h"
#include "AknInputLanguageInfo.h"
#endif

#include "private/qfactoryloader_p.h"
#include "qmutex.h"

QT_BEGIN_NAMESPACE

#ifndef QT_NO_LIBRARY
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
    (QInputContextFactoryInterface_iid, QLatin1String("/inputmethods")))
#endif

QInputContext *QInputContextFactory::create( const QString& key, QObject *parent )
{
    QInputContext *result = 0;
#if defined(Q_WS_X11) && !defined(QT_NO_XIM)
    if (key == QLatin1String("xim")) {
        result = new QXIMInputContext;
    }
#endif
#if defined(Q_WS_WIN)
    if (key == QLatin1String("win")) {
        result = new QWinInputContext;
    }
#endif
#if defined(Q_WS_MAC)
    if (key == QLatin1String("mac")) {
        result = new QMacInputContext;
    }
#endif
#if defined(Q_WS_S60)
    if (key == QLatin1String("coefep")) {
        result = new QCoeFepInputContext;
    }
#endif
#ifdef QT_NO_LIBRARY
    Q_UNUSED(key);
#else
    if (QInputContextFactoryInterface *factory =
        qobject_cast<QInputContextFactoryInterface*>(loader()->instance(key))) {
        result = factory->create(key);
    }
#endif
    if (result)
        result->setParent(parent);
    return result;
}


QStringList QInputContextFactory::keys()
{
    QStringList result;
#if defined(Q_WS_X11) && !defined(QT_NO_XIM)
    result << QLatin1String("xim");
#endif
#if defined(Q_WS_WIN) && !defined(QT_NO_XIM)
    result << QLatin1String("win");
#endif
#if defined(Q_WS_MAC)
    result << QLatin1String("mac");
#endif
#if defined(Q_WS_S60)
    result << QLatin1String("coefep");
#endif
#ifndef QT_NO_LIBRARY
    result += loader()->keys();
#endif // QT_NO_LIBRARY
    return result;
}

#if defined(Q_WS_S60)

static CAknInputLanguageList* s60LangListL()
{
    CAknInputLanguageInfo *langInfo = AknInputLanguageInfoFactory::CreateInputLanguageInfoL();
    CleanupStack::PushL(langInfo);
    // In rare phone there is more than 7 languages installed -> use 7 as an array granularity
    CAknInputLanguageList *langList = new (ELeave) CAknInputLanguageList(7);
    CleanupStack::PushL(langList);
    langInfo->AppendAvailableLanguagesL(langList);
    CleanupStack::Pop(langList);
    CleanupStack::PopAndDestroy(langInfo);
    return langList;
}

static CAknInputLanguageList* s60LangList()
{
    CAknInputLanguageList *langList = NULL;
    TRAP_IGNORE(langList = s60LangListL());
    q_check_ptr(langList);
    return langList;
}
#endif

QStringList QInputContextFactory::languages( const QString &key )
{
    QStringList result;
#if defined(Q_WS_X11) && !defined(QT_NO_XIM)
    if (key == QLatin1String("xim"))
        return QStringList(QString());
#endif
#if defined(Q_WS_WIN)
    if (key == QLatin1String("win"))
        return QStringList(QString());
#endif
#if defined(Q_WS_MAC)
    if (key == QLatin1String("mac"))
        return QStringList(QString());
#endif
#if defined(Q_WS_S60)
    if (key == QLatin1String("coefep"))
        {
        CAknInputLanguageList *langList = s60LangList();
        int count = langList->Count();
        for (int i = 0; i < count; ++i)
            {
            result.append(QString(qt_symbianLocaleName(langList->At(i)->LanguageCode())));
            }
        delete langList;
        }
#endif
#if defined(QT_NO_LIBRARY) || defined(QT_NO_SETTINGS)
    Q_UNUSED(key);
#else
    if (QInputContextFactoryInterface *factory =
        qobject_cast<QInputContextFactoryInterface*>(loader()->instance(key)))
        result = factory->languages(key);
#endif // QT_NO_LIBRARY
    return result;
}

QString QInputContextFactory::displayName( const QString &key )
{
    QString result;
#if defined(Q_WS_X11) && !defined(QT_NO_XIM)
    if (key == QLatin1String("xim"))
        return QInputContext::tr( "XIM" );
#endif
#ifdef Q_WS_S60
    if (key == QLatin1String("coefep"))
        return QInputContext::tr( "FEP" );
#endif
#if defined(QT_NO_LIBRARY) || defined(QT_NO_SETTINGS)
    Q_UNUSED(key);
#else
    if (QInputContextFactoryInterface *factory =
        qobject_cast<QInputContextFactoryInterface*>(loader()->instance(key)))
        return factory->displayName(key);
#endif // QT_NO_LIBRARY
    return QString();
}

QString QInputContextFactory::description( const QString &key )
{
#if defined(Q_WS_X11) && !defined(QT_NO_XIM)
    if (key == QLatin1String("xim"))
        return QInputContext::tr( "XIM input method" );
#endif
#if defined(Q_WS_WIN) && !defined(QT_NO_XIM)
    if (key == QLatin1String("win"))
        return QInputContext::tr( "Windows input method" );
#endif
#if defined(Q_WS_MAC)
    if (key == QLatin1String("mac"))
        return QInputContext::tr( "Mac OS X input method" );
#endif
#if defined(Q_WS_S60)
    if (key == QLatin1String("coefep"))
        return QInputContext::tr( "S60 FEP input method" );
#endif
#if defined(QT_NO_LIBRARY) || defined(QT_NO_SETTINGS)
    Q_UNUSED(key);
#else
    if (QInputContextFactoryInterface *factory =
        qobject_cast<QInputContextFactoryInterface*>(loader()->instance(key)))
        return factory->description(key);
#endif // QT_NO_LIBRARY
    return QString();
}

QT_END_NAMESPACE

#endif // QT_NO_IM