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 <sal/log.hxx>
  38 #include <sal/types.h>
  39 #include <svl/languageoptions.hxx>
  40 #include <svtools/langhelp.hxx>
  41 #include <tools/diagnose_ex.h>
  42
  43 #include <app.hxx>
  44
  45 #include "cmdlineargs.hxx"
  46 #include "langselect.hxx"
  47
  48 namespace desktop { namespace langselect {
  49
  50 namespace {
  51
  52 OUString foundLocale;
  53
  54 void setMsLangIdFallback(OUString const & locale) {
  55     // #i32939# setting of default document language
  56     // See #i42730# for rules for determining source of settings
  57     if (!locale.isEmpty()) {
  58         LanguageType type = LanguageTag::convertToLanguageTypeWithFallback(locale);
  59         switch (SvtLanguageOptions::GetScriptTypeOfLanguage(type)) {
  60         case SvtScriptType::ASIAN:
  61             MsLangId::setConfiguredAsianFallback(type);
  62             break;
  63         case SvtScriptType::COMPLEX:
  64             MsLangId::setConfiguredComplexFallback(type);
  65             break;
  66         default:
  67             MsLangId::setConfiguredWesternFallback(type);
  68             break;
  69         }
  70     }
  71 }
  72
  73 }
  74
  75 bool prepareLocale() {
  76     // #i42730# Get the windows 16Bit locale, it should be preferred over the UI
  77     // locale:
  78     setMsLangIdFallback(officecfg::System::L10N::SystemLocale::get());
  79     // #i32939# Use system locale to set document default locale:
  80     setMsLangIdFallback(officecfg::System::L10N::Locale::get());
  81     css::uno::Sequence<OUString> inst(
  82         officecfg::Setup::Office::InstalledLocales::get()->getElementNames());
  83     OUString locale(officecfg::Office::Linguistic::General::UILocale::get());
  84     if (!locale.isEmpty()) {
  85         locale = getInstalledLocaleForLanguage(inst, locale);
  86         if (locale.isEmpty()) {
  87             // Selected language is not/no longer installed:
  88             try {
  89                 std::shared_ptr<comphelper::ConfigurationChanges> batch(
  90                     comphelper::ConfigurationChanges::create());
  91                 officecfg::Office::Linguistic::General::UILocale::set(
  92                     "", batch);
  93                 batch->commit();
  94             } catch (const css::uno::Exception &) {
  95                 TOOLS_WARN_EXCEPTION("desktop.app", "ignoring");
  96             }
  97         }
  98     }
  99     bool cmdLanguage = false;
 100     if (locale.isEmpty()) {
 101         locale = getInstalledLocaleForLanguage(
 102             inst, Desktop::GetCommandLineArgs().GetLanguage());
 103         if (!locale.isEmpty()) {
 104             cmdLanguage = true;
 105         }
 106     }
 107     if (locale.isEmpty()) {
 108         locale = getInstalledLocaleForSystemUILanguage(inst, true);
 109     }
 110     if (locale.isEmpty()) {
 111         return false;
 112     }
 113     LanguageTag tag(locale);
 114     // Prepare default config provider by localizing it to the selected
 115     // locale this will ensure localized configuration settings to be
 116     // selected according to the UI language:
 117     css::uno::Reference<css::lang::XLocalizable>(
 118         css::configuration::theDefaultProvider::get(
 119             comphelper::getProcessComponentContext()),
 120         css::uno::UNO_QUERY_THROW)->setLocale(tag.getLocale(false));
 121     if (!cmdLanguage) {
 122         try {
 123             std::shared_ptr<comphelper::ConfigurationChanges> batch(
 124                 comphelper::ConfigurationChanges::create());
 125             officecfg::Setup::L10N::ooLocale::set(locale, batch);
 126             batch->commit();
 127         } catch (const css::uno::Exception &) {
 128             TOOLS_WARN_EXCEPTION("desktop.app", "ignoring");
 129         }
 130     }
 131     MsLangId::setConfiguredSystemUILanguage(tag.getLanguageType(false));
 132
 133     OUString setupSysLoc(officecfg::Setup::L10N::ooSetupSystemLocale::get());
 134     LanguageTag::setConfiguredSystemLanguage(
 135         setupSysLoc.isEmpty()
 136         ? MsLangId::getSystemLanguage()
 137         : LanguageTag(setupSysLoc).getLanguageType(false));
 138     // #i32939# setting of default document locale
 139     // #i32939# this should not be based on the UI language
 140     // So obtain the system locale now configured just above and pass it on,
 141     // resolved of course.
 142     LanguageTag docTag(LANGUAGE_SYSTEM);
 143     setMsLangIdFallback(docTag.getBcp47());
 144
 145     foundLocale = locale;
 146     return true;
 147 }
 148
 149 } }
 150
 151 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */