From c482aefe08e4486aa35ba87edea1a341c97b8610 Mon Sep 17 00:00:00 2001 From: Eike Rathke Date: Fri, 20 Aug 2021 22:47:08 +0200 Subject: Introduce LanguageTagIcu::getDisplayName() To be used in generating display names for on-the-fly language tags in the language listbox. Change-Id: Ibb36fe312e550f77f1e2d3acc2dbff9e83c15f7b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120797 Reviewed-by: Eike Rathke Tested-by: Jenkins --- i18nlangtag/source/languagetag/languagetagicu.cxx | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'i18nlangtag') diff --git a/i18nlangtag/source/languagetag/languagetagicu.cxx b/i18nlangtag/source/languagetag/languagetagicu.cxx index c35e7a85ef8b..fd1c9bc75670 100644 --- a/i18nlangtag/source/languagetag/languagetagicu.cxx +++ b/i18nlangtag/source/languagetag/languagetagicu.cxx @@ -46,4 +46,26 @@ icu::Locale LanguageTagIcu::getIcuLocale( const LanguageTag & rLanguageTag, std: ); } +// static +OUString LanguageTagIcu::getDisplayName( const LanguageTag & rLanguageTag, const LanguageTag & rDisplayLanguage ) +{ + // This will be initialized by the first call; as the UI language doesn't + // change the tag mostly stays the same, unless someone overrides it for a + // call here, and thus obtaining the UI icu::Locale has to be done only + // once. + static thread_local LanguageTag aUITag( LANGUAGE_SYSTEM); + static thread_local icu::Locale aUILocale; + + if (aUITag != rDisplayLanguage) + { + aUITag = rDisplayLanguage; + aUILocale = getIcuLocale( rDisplayLanguage); + } + + icu::Locale aLocale( getIcuLocale( rLanguageTag)); + icu::UnicodeString aResult; + aLocale.getDisplayName( aUILocale, aResult); + return OUString( reinterpret_cast(aResult.getBuffer()), aResult.length()); +} + /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3