4050ea8bfe
Mostly closes: #103 Analogous to my other patches that localize date strings (e.g. pop-os/cosmic-files#277). The "password:" prompt is not localized in this patch because PAM should yield translated strings on its own. This needs further investigation.
69 lines
1.9 KiB
Rust
69 lines
1.9 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-only
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use std::{
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str::FromStr,
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sync::{LazyLock, OnceLock},
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};
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use i18n_embed::{
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fluent::{fluent_language_loader, FluentLanguageLoader},
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DefaultLocalizer, LanguageLoader, Localizer,
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};
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use rust_embed::RustEmbed;
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#[derive(RustEmbed)]
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#[folder = "i18n/"]
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struct Localizations;
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pub static LANGUAGE_LOADER: OnceLock<FluentLanguageLoader> = OnceLock::new();
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pub static LANGUAGE_CHRONO: LazyLock<chrono::Locale> = LazyLock::new(|| {
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std::env::var("LC_TIME")
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.ok()
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.or_else(|| std::env::var("LANG").ok())
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.and_then(|locale_full| {
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// Split LANG because it may be set to a locale such as en_US.UTF8
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locale_full
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.split('.')
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.next()
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.and_then(|locale| chrono::Locale::from_str(locale).ok())
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})
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.unwrap_or(chrono::Locale::en_US)
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});
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#[macro_export]
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macro_rules! fl {
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($message_id:literal) => {{
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i18n_embed_fl::fl!($crate::localize::LANGUAGE_LOADER.get().unwrap(), $message_id)
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}};
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($message_id:literal, $($args:expr),*) => {{
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i18n_embed_fl::fl!($crate::localize::LANGUAGE_LOADER.get().unwrap(), $message_id, $($args), *)
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}};
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}
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// Get the `Localizer` to be used for localizing this library.
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pub fn localizer() -> Box<dyn Localizer> {
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LANGUAGE_LOADER.get_or_init(|| {
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let loader: FluentLanguageLoader = fluent_language_loader!();
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loader
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.load_fallback_language(&Localizations)
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.expect("Error while loading fallback language");
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loader
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});
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Box::from(DefaultLocalizer::new(
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LANGUAGE_LOADER.get().unwrap(),
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&Localizations,
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))
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}
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pub fn localize() {
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let localizer = localizer();
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let requested_languages = i18n_embed::DesktopLanguageRequester::requested_languages();
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if let Err(error) = localizer.select(&requested_languages) {
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eprintln!("Error while loading language for App List {}", error);
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}
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}
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