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187 lines
4.9 KiB
187 lines
4.9 KiB
/****************************************************************************
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** $Id: qinputcontextfactory.cpp,v 1.2 2004/06/20 18:43:11 daisuke Exp $
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**
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** Implementation of QInputContextFactory class
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**
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** Created : 001103
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**
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** Copyright (C) 1992-2002 Trolltech AS. All rights reserved.
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**
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** This file is part of the widgets module of the Qt GUI Toolkit.
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**
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** This file may be distributed under the terms of the Q Public License
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** as defined by Trolltech AS of Norway and appearing in the file
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** LICENSE.QPL included in the packaging of this file.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid Qt Enterprise Edition licenses may use this
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** file in accordance with the Qt Commercial License Agreement provided
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** with the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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** information about Qt Commercial License Agreements.
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** See http://www.trolltech.com/qpl/ for QPL licensing information.
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
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**
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** Contact info@trolltech.com 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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#include "qinputcontextinterface_p.h" // up here for GCC 2.7.* compatibility
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#include "qinputcontextfactory.h"
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#include "qinputcontext.h"
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#ifndef QT_NO_IM
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#include "qapplication.h"
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#ifdef QT_THREAD_SUPPORT
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#include <private/qmutexpool_p.h>
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#endif // QT_THREAD_SUPPORT
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#include <stdlib.h>
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#include "qcleanuphandler.h"
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#include <private/qpluginmanager_p.h>
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#ifndef QT_NO_COMPONENT
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static QPluginManager<QInputContextFactoryInterface> *manager = 0;
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static QSingleCleanupHandler< QPluginManager<QInputContextFactoryInterface> > cleanup_manager;
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static void create_manager()
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{
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if( manager ) // already created
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return;
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#ifdef QT_THREAD_SUPPORT
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// protect manager creation
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QMutexLocker locker( qt_global_mutexpool ?
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qt_global_mutexpool->get( &manager ) : 0);
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// we check the manager pointer again to make sure that another thread
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// has not created the manager before us.
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if ( manager ) // already created
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return;
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#endif
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manager = new QPluginManager<QInputContextFactoryInterface>( IID_QInputContextFactory, QApplication::libraryPaths(), "/inputmethods", FALSE );
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Q_CHECK_PTR( manager );
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cleanup_manager.set( &manager );
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}
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#endif //QT_NO_COMPONENT
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/*!
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This function generates the input context that has the identifier
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name which is in agreement with \a key. \a widget is the client
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widget of QInputContext. \a widget may be null.
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*/
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QInputContext *QInputContextFactory::create( const QString& key, QWidget *widget )
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{
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QInputContext *ret = 0;
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QString inputcontext = key;
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#ifndef QT_NO_COMPONENT
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// make sure the manager is created
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create_manager();
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QInterfacePtr<QInputContextFactoryInterface> iface;
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manager->queryInterface( inputcontext, &iface );
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if ( iface ) {
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ret = iface->create( inputcontext );
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#ifdef Q_WS_X11
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if ( ret )
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ret->setHolderWidget( widget );
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#endif
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}
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#endif
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return ret;
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}
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/*!
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This function returns the list of the names input methods.
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Only input methods included in default and placed under
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$QTDIR/plugins/inputmethods are listed.
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*/
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QStringList QInputContextFactory::keys()
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{
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QStringList list;
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#ifndef QT_NO_COMPONENT
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// make sure the manager is created
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create_manager();
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list = manager->featureList();
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#endif //QT_NO_COMPONENT
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return list;
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}
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QStringList QInputContextFactory::languages( const QString &key )
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{
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QStringList result;
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#ifndef QT_NO_COMPONENT
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// make sure the manager is created
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create_manager();
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QInterfacePtr<QInputContextFactoryInterface> iface;
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manager->queryInterface( key, &iface );
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if ( iface )
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result = iface->languages( key );
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#endif //QT_NO_COMPONENT
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return result;
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}
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QString QInputContextFactory::displayName( const QString &key )
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{
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QString result( "" );
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#ifndef QT_NO_COMPONENT
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// make sure the manager is created
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create_manager();
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QInterfacePtr<QInputContextFactoryInterface> iface;
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manager->queryInterface( key, &iface );
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if ( iface )
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result = iface->displayName( key );
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#endif //QT_NO_COMPONENT
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return result;
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}
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QString QInputContextFactory::description( const QString &key )
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{
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QString result( "" );
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#ifndef QT_NO_COMPONENT
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// make sure the manager is created
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create_manager();
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QInterfacePtr<QInputContextFactoryInterface> iface;
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manager->queryInterface( key, &iface );
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if ( iface )
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result = iface->description( key );
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#endif //QT_NO_COMPONENT
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return result;
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}
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#endif // QT_NO_IM
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