167 lines
4.9 KiB
C++
167 lines
4.9 KiB
C++
/* === This file is part of Calamares - <https://github.com/calamares> ===
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*
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* Copyright 2014, Teo Mrnjavac <teo@kde.org>
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*
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* Calamares is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Calamares is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Calamares. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Retranslator.h"
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#include "Logger.h"
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#include <QCoreApplication>
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#include <QDir>
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#include <QEvent>
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#include <QTranslator>
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namespace CalamaresUtils {
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static QTranslator* s_brandingTranslator = nullptr;
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static QTranslator* s_translator = nullptr;
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static QString s_translatorLocaleName;
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void
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installTranslator( const QLocale& locale,
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const QString& brandingTranslationsPrefix,
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QObject* parent )
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{
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QString localeName = locale.name();
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localeName.replace( "-", "_" );
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if ( localeName == "C" )
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localeName = "en";
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// Special case of sr@latin
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//
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// See top-level CMakeLists.txt about special cases for translation loading.
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if ( locale.language() == QLocale::Language::Serbian && locale.script() == QLocale::Script::LatinScript )
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localeName = QStringLiteral( "sr@latin" );
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cDebug() << "Looking for translations for" << localeName;
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QTranslator* translator = nullptr;
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// Branding translations
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if ( !brandingTranslationsPrefix.isEmpty() )
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{
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QString brandingTranslationsDirPath( brandingTranslationsPrefix );
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brandingTranslationsDirPath.truncate( brandingTranslationsPrefix.lastIndexOf(
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QDir::separator() ) );
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QDir brandingTranslationsDir( brandingTranslationsDirPath );
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if ( brandingTranslationsDir.exists() )
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{
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QString filenameBase( brandingTranslationsPrefix );
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filenameBase.remove( 0, brandingTranslationsPrefix.lastIndexOf(
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QDir::separator() ) + 1 );
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translator = new QTranslator( parent );
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if ( translator->load( locale,
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filenameBase,
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"_",
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brandingTranslationsDir.absolutePath() ) )
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{
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cDebug() << Logger::SubEntry << "Branding using locale:" << localeName;
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}
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else
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{
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cDebug() << Logger::SubEntry << "Branding using default, system locale not found:" << localeName;
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translator->load( brandingTranslationsPrefix + "en" );
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}
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if ( s_brandingTranslator )
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{
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QCoreApplication::removeTranslator( s_brandingTranslator );
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delete s_brandingTranslator;
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}
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QCoreApplication::installTranslator( translator );
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s_brandingTranslator = translator;
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}
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}
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// Calamares translations
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translator = new QTranslator( parent );
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if ( translator->load( QString( ":/lang/calamares_" ) + localeName ) )
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{
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cDebug() << Logger::SubEntry << "Calamares using locale:" << localeName;
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}
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else
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{
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cDebug() << Logger::SubEntry << "Calamares using default, system locale not found:" << localeName;
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translator->load( QString( ":/lang/calamares_en" ) );
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}
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if ( s_translator )
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{
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QCoreApplication::removeTranslator( s_translator );
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delete s_translator;
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}
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QCoreApplication::installTranslator( translator );
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s_translator = translator;
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s_translatorLocaleName = localeName;
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}
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QString
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translatorLocaleName()
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{
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return s_translatorLocaleName;
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}
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void
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Retranslator::attachRetranslator( QObject* parent,
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std::function< void ( void ) > retranslateFunc )
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{
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Retranslator* r = nullptr;
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for ( QObject* child : parent->children() )
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{
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r = qobject_cast< Retranslator* >( child );
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if ( r )
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break;
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}
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if ( !r )
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r = new Retranslator( parent );
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r->m_retranslateFuncList.append( retranslateFunc );
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retranslateFunc();
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}
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Retranslator::Retranslator( QObject* parent )
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: QObject( parent )
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{
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parent->installEventFilter( this );
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}
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bool
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Retranslator::eventFilter( QObject* obj, QEvent* e )
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{
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if ( obj == parent() )
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{
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if ( e->type() == QEvent::LanguageChange )
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{
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foreach ( std::function< void() > func, m_retranslateFuncList )
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func();
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}
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}
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// pass the event on to the base
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return QObject::eventFilter( obj, e );
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}
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} // namespace CalamaresUtils
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