desktop/source/app/langselect.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <com/sun/star/configuration/theDefaultProvider.hpp>
  23 #include <com/sun/star/container/XNameAccess.hpp>
  24 #include <com/sun/star/lang/XLocalizable.hpp>
  25 #include <com/sun/star/uno/Exception.hpp>
  26 #include <com/sun/star/uno/Reference.hxx>
  27 #include <com/sun/star/uno/Sequence.hxx>
  28 #include <comphelper/configuration.hxx>
  29 #include <comphelper/processfactory.hxx>
  30 #include <i18nlangtag/lang.h>
  31 #include <i18nlangtag/languagetag.hxx>
  32 #include <i18nlangtag/mslangid.hxx>
  33 #include <officecfg/Office/Linguistic.hxx>
  34 #include <officecfg/Setup.hxx>
  35 #include <officecfg/System.hxx>
  36 #include <rtl/ustring.hxx>
  37 #include <svl/languageoptions.hxx>
  38 #include <svtools/langhelp.hxx>
  39 #include <tools/diagnose_ex.h>
  40
  41 #include <app.hxx>
  42
  43 #include "cmdlineargs.hxx"
  44 #include "langselect.hxx"
  45
  46 namespace desktop::langselect {
  47
  48 namespace {
  49
  50 void setMsLangIdFallback(OUString const & locale) {
  51     // #i32939# setting of default document language
  52     // See #i42730# for rules for determining source of settings
  53     if (locale.isEmpty())
  54         return;
  55
  56     LanguageType type = LanguageTag::convertToLanguageTypeWithFallback(locale);
  57     switch (SvtLanguageOptions::GetScriptTypeOfLanguage(type)) {
  58     case SvtScriptType::ASIAN:
  59         MsLangId::setConfiguredAsianFallback(type);
  60         break;
  61     case SvtScriptType::COMPLEX:
  62         MsLangId::setConfiguredComplexFallback(type);
  63         break;
  64     default:
  65         MsLangId::setConfiguredWesternFallback(type);
  66         break;
  67     }
  68 }
  69
  70 }
  71
  72 bool prepareLocale() {
  73     // #i42730# Get the windows 16Bit locale, it should be preferred over the UI
  74     // locale:
  75     setMsLangIdFallback(officecfg::System::L10N::SystemLocale::get());
  76     // #i32939# Use system locale to set document default locale:
  77     setMsLangIdFallback(officecfg::System::L10N::Locale::get());
  78     css::uno::Sequence<OUString> inst(
  79         officecfg::Setup::Office::InstalledLocales::get()->getElementNames());
  80     OUString locale(officecfg::Office::Linguistic::General::UILocale::get());
  81     if (!locale.isEmpty()) {
  82         locale = getInstalledLocaleForLanguage(inst, locale);
  83         if (locale.isEmpty()) {
  84             // Selected language is not/no longer installed:
  85             try {
  86                 std::shared_ptr<comphelper::ConfigurationChanges> batch(
  87                     comphelper::ConfigurationChanges::create());
  88                 officecfg::Office::Linguistic::General::UILocale::set(
  89                     "", batch);
  90                 batch->commit();
  91             } catch (const css::uno::Exception &) {
  92                 TOOLS_WARN_EXCEPTION("desktop.app", "ignoring");
  93             }
  94         }
  95     }
  96     bool cmdLanguage = false;
  97     if (locale.isEmpty()) {
  98         locale = getInstalledLocaleForLanguage(
  99             inst, Desktop::GetCommandLineArgs().GetLanguage());
 100         if (!locale.isEmpty()) {
 101             cmdLanguage = true;
 102         }
 103     }
 104     if (locale.isEmpty()) {
 105         locale = getInstalledLocaleForSystemUILanguage(inst, true);
 106     }
 107     if (locale.isEmpty()) {
 108         return false;
 109     }
 110     LanguageTag tag(locale);
 111     // Prepare default config provider by localizing it to the selected
 112     // locale this will ensure localized configuration settings to be
 113     // selected according to the UI language:
 114     css::uno::Reference<css::lang::XLocalizable>(
 115         css::configuration::theDefaultProvider::get(
 116             comphelper::getProcessComponentContext()),
 117         css::uno::UNO_QUERY_THROW)->setLocale(tag.getLocale(false));
 118     if (!cmdLanguage) {
 119         try {
 120             std::shared_ptr<comphelper::ConfigurationChanges> batch(
 121                 comphelper::ConfigurationChanges::create());
 122             officecfg::Setup::L10N::ooLocale::set(locale, batch);
 123             batch->commit();
 124         } catch (const css::uno::Exception &) {
 125             TOOLS_WARN_EXCEPTION("desktop.app", "ignoring");
 126         }
 127     }
 128     MsLangId::setConfiguredSystemUILanguage(tag.getLanguageType(false));
 129
 130     OUString setupSysLoc(officecfg::Setup::L10N::ooSetupSystemLocale::get());
 131     LanguageTag::setConfiguredSystemLanguage(
 132         setupSysLoc.isEmpty()
 133         ? MsLangId::getSystemLanguage()
 134         : LanguageTag(setupSysLoc).getLanguageType(false));
 135     // #i32939# setting of default document locale
 136     // #i32939# this should not be based on the UI language
 137     // So obtain the system locale now configured just above and pass it on,
 138     // resolved of course.
 139     LanguageTag docTag(LANGUAGE_SYSTEM);
 140     setMsLangIdFallback(docTag.getBcp47());
 141
 142     return true;
 143 }
 144
 145 }
 146
 147 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */