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Diffstat (limited to 'framework/source/fwi/helper/mischelper.cxx')
| -rw-r--r-- | framework/source/fwi/helper/mischelper.cxx | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/framework/source/fwi/helper/mischelper.cxx b/framework/source/fwi/helper/mischelper.cxx new file mode 100644 index 000000000..b53cd0f26 --- /dev/null +++ b/framework/source/fwi/helper/mischelper.cxx @@ -0,0 +1,152 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/document/XDocumentLanguages.hpp> +#include <com/sun/star/linguistic2/LanguageGuessing.hpp> + +#include <sal/log.hxx> +#include <vcl/settings.hxx> +#include <vcl/svapp.hxx> +#include <i18nlangtag/languagetag.hxx> +#include <svtools/langtab.hxx> +#include <helper/mischelper.hxx> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::frame; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::container; +using namespace ::com::sun::star::lang; + +namespace framework +{ + +uno::Reference< linguistic2::XLanguageGuessing > const & LanguageGuessingHelper::GetGuesser() const +{ + if (!m_xLanguageGuesser.is()) + { + try + { + m_xLanguageGuesser = linguistic2::LanguageGuessing::create( m_xContext ); + } + catch (const uno::Exception &) + { + SAL_WARN( "fwk", "failed to get language guessing component" ); + } + } + return m_xLanguageGuesser; +} + +void FillLangItems( std::set< OUString > &rLangItems, + const uno::Reference< frame::XFrame > & rxFrame, + const LanguageGuessingHelper & rLangGuessHelper, + SvtScriptType nScriptType, + const OUString & rCurLang, + const OUString & rKeyboardLang, + const OUString & rGuessedTextLang ) +{ + rLangItems.clear(); + + //1--add current language + if( !rCurLang.isEmpty() && + LANGUAGE_DONTKNOW != SvtLanguageTable::GetLanguageType( rCurLang )) + rLangItems.insert( rCurLang ); + + //2--System + const AllSettings& rAllSettings = Application::GetSettings(); + LanguageType rSystemLanguage = rAllSettings.GetLanguageTag().getLanguageType(); + if( rSystemLanguage != LANGUAGE_DONTKNOW ) + { + if ( IsScriptTypeMatchingToLanguage( nScriptType, rSystemLanguage )) + rLangItems.insert( SvtLanguageTable::GetLanguageString( rSystemLanguage ) ); + } + + //3--UI + LanguageType rUILanguage = rAllSettings.GetUILanguageTag().getLanguageType(); + if( rUILanguage != LANGUAGE_DONTKNOW ) + { + if ( IsScriptTypeMatchingToLanguage( nScriptType, rUILanguage )) + rLangItems.insert( SvtLanguageTable::GetLanguageString( rUILanguage ) ); + } + + //4--guessed language + const uno::Reference< linguistic2::XLanguageGuessing >& xLangGuesser( rLangGuessHelper.GetGuesser() ); + if ( xLangGuesser.is() && !rGuessedTextLang.isEmpty()) + { + css::lang::Locale aLocale(xLangGuesser->guessPrimaryLanguage( rGuessedTextLang, 0, rGuessedTextLang.getLength()) ); + LanguageType nLang = LanguageTag( aLocale ).makeFallback().getLanguageType(); + if (nLang != LANGUAGE_DONTKNOW && nLang != LANGUAGE_NONE && nLang != LANGUAGE_SYSTEM + && IsScriptTypeMatchingToLanguage( nScriptType, nLang )) + rLangItems.insert( SvtLanguageTable::GetLanguageString( nLang )); + } + + //5--keyboard language + if( !rKeyboardLang.isEmpty() ) + { + if ( IsScriptTypeMatchingToLanguage( nScriptType, SvtLanguageTable::GetLanguageType( rKeyboardLang ))) + rLangItems.insert( rKeyboardLang ); + } + + //6--all languages used in current document + Reference< css::frame::XModel > xModel; + if ( rxFrame.is() ) + { + Reference< css::frame::XController > xController = rxFrame->getController(); + if ( xController.is() ) + xModel = xController->getModel(); + } + Reference< document::XDocumentLanguages > xDocumentLanguages( xModel, UNO_QUERY ); + /*the description of nScriptType + LATIN : 0x001 + ASIAN : 0x002 + COMPLEX: 0x004 + */ + const sal_Int16 nMaxCount = 7; + if ( !xDocumentLanguages.is() ) + return; + + const Sequence< Locale > rLocales( xDocumentLanguages->getDocumentLanguages( static_cast<sal_Int16>(nScriptType), nMaxCount )); + for ( const Locale& rLocale : rLocales ) + { + if ( rLangItems.size() == static_cast< size_t >(nMaxCount) ) + break; + if( IsScriptTypeMatchingToLanguage( nScriptType, SvtLanguageTable::GetLanguageType( rLocale.Language ))) + rLangItems.insert( rLocale.Language ); + } +} + +auto (*g_pGetMultiplexerListener)( + uno::Reference<uno::XInterface> const&, + std::function<bool (uno::Reference<ui::XContextChangeEventListener> const&)> const&) + -> uno::Reference<ui::XContextChangeEventListener> = nullptr; + +uno::Reference<ui::XContextChangeEventListener> +GetFirstListenerWith_Impl( + uno::Reference<uno::XInterface> const& xEventFocus, + std::function<bool (uno::Reference<ui::XContextChangeEventListener> const&)> const& rPredicate) +{ + assert(g_pGetMultiplexerListener != nullptr); // should not be called too early, nor too late + return g_pGetMultiplexerListener(xEventFocus, rPredicate); +} + + +} // namespace framework + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |