cosmic/
localize.rs

1// SPDX-License-Identifier: GPL-3.0-only
2
3use i18n_embed::fluent::{FluentLanguageLoader, fluent_language_loader};
4use i18n_embed::{DefaultLocalizer, LanguageLoader, Localizer};
5use rust_embed::RustEmbed;
6use std::sync::{LazyLock, OnceLock};
7
8#[derive(RustEmbed)]
9#[folder = "i18n/"]
10struct Localizations;
11
12pub static LANGUAGE_LOADER: LazyLock<FluentLanguageLoader> = LazyLock::new(|| {
13    let loader: FluentLanguageLoader = fluent_language_loader!();
14
15    loader
16        .load_fallback_language(&Localizations)
17        .expect("Error while loading fallback language");
18
19    loader
20});
21
22static LOCALIZATION_INITIALIZED: OnceLock<()> = OnceLock::new();
23
24#[macro_export]
25macro_rules! fl {
26    ($message_id:literal) => {{
27        $crate::localize::localize();
28        i18n_embed_fl::fl!($crate::localize::LANGUAGE_LOADER, $message_id)
29    }};
30    ($message_id:literal, $($args:expr),*) => {{
31        $crate::localize::localize();
32        i18n_embed_fl::fl!($crate::localize::LANGUAGE_LOADER, $message_id, $($args), *)
33    }};
34}
35
36// Get the `Localizer` to be used for localizing this library.
37pub fn localizer() -> Box<dyn Localizer> {
38    Box::from(DefaultLocalizer::new(&*LANGUAGE_LOADER, &Localizations))
39}
40
41pub fn localize() {
42    LOCALIZATION_INITIALIZED.get_or_init(|| {
43        let localizer = localizer();
44        let requested_languages = i18n_embed::DesktopLanguageRequester::requested_languages();
45        if let Err(error) = localizer.select(&requested_languages) {
46            eprintln!("Error while loading language for libcosmic {}", error);
47        }
48    });
49}
cosmic/localize.rs

cosmic/
localize.rs
