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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /src/gui/inputmethod/qinputcontextfactory.cpp
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/****************************************************************************
+**
+** 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
+
+/*!
+ \class QInputContextFactory
+ \brief The QInputContextFactory class creates QInputContext objects.
+
+
+ The input context factory creates a QInputContext object for a
+ given key with QInputContextFactory::create().
+
+ The input contexts are either built-in or dynamically loaded from
+ an input context plugin (see QInputContextPlugin).
+
+ keys() returns a list of valid keys. The
+ keys are the names used, for example, to identify and specify
+ input methods for the input method switching mechanism. The names
+ have to be consistent with QInputContext::identifierName(), and
+ may only contain ASCII characters.
+
+ A key can be used to retrieve the associated input context's
+ supported languages using languages(). You
+ can retrieve the input context's description using
+ description() and finally you can get a user
+ friendly internationalized name of the QInputContext object
+ specified by the key using displayName().
+
+ \legalese
+ 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.
+ \endlegalese
+
+ \sa QInputContext, QInputContextPlugin
+*/
+
+/*!
+ Creates and returns a QInputContext object for the input context
+ specified by \a key with the given \a parent. Keys are case
+ sensitive.
+
+ \sa keys()
+*/
+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;
+}
+
+
+/*!
+ Returns the list of keys this factory can create input contexts
+ for.
+
+ The keys are the names used, for example, to identify and specify
+ input methods for the input method switching mechanism. The names
+ have to be consistent with QInputContext::identifierName(), and
+ may only contain ASCII characters.
+
+ \sa create(), displayName(), QInputContext::identifierName()
+*/
+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)
+/*!
+ \internal
+
+ This function contains pure Symbian exception handling code for
+ getting S60 language list.
+ Returned object ownership is transferred to caller.
+*/
+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;
+}
+
+/*!
+ \internal
+
+ This function utility function return S60 language list.
+ Returned object ownership is transferred to caller.
+*/
+static CAknInputLanguageList* s60LangList()
+{
+ CAknInputLanguageList *langList = NULL;
+ TRAP_IGNORE(langList = s60LangListL());
+ q_check_ptr(langList);
+ return langList;
+}
+#endif
+
+/*!
+ Returns the languages supported by the QInputContext object
+ specified by \a key.
+
+ The languages are expressed as language code (e.g. "zh_CN",
+ "zh_TW", "zh_HK", "ja", "ko", ...). An input context that supports
+ multiple languages can return all supported languages as a
+ QStringList. The name has to be consistent with
+ QInputContext::language().
+
+ This information may be used to optimize a user interface.
+
+ \sa keys(), QInputContext::language(), QLocale
+*/
+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;
+}
+
+/*!
+ Returns a user friendly internationalized name of the
+ QInputContext object specified by \a key. You can, for example,
+ use this name in a menu.
+
+ \sa keys(), QInputContext::identifierName()
+*/
+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();
+}
+
+/*!
+ Returns an internationalized brief description of the QInputContext
+ object specified by \a key. You can, for example, use this
+ description in a user interface.
+
+ \sa keys(), displayName()
+*/
+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
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