Add localization

Cargo.lock

@@ -117,6 +117,12 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "arc-swap"
+version = "1.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69f7f8c3906b62b754cd5326047894316021dcfe5a194c8ea52bdd94934a3457"
+
 [[package]]
 name = "arrayref"
 version = "0.3.7"
@@ -958,6 +964,8 @@ dependencies = [
  "env_logger",
  "freedesktop_entry_parser",
  "greetd_ipc",
+ "i18n-embed",
+ "i18n-embed-fl",
  "libcosmic",
  "log",
  "logind-zbus",
@@ -965,6 +973,7 @@ dependencies = [
  "pam-client",
  "pwd",
  "ron",
+ "rust-embed",
  "shlex",
  "tokio",
  "upower_dbus",
@@ -1016,7 +1025,7 @@ dependencies = [
  "rangemap",
  "rustc-hash",
  "rustybuzz",
- "self_cell",
+ "self_cell 1.0.3",
  "swash",
  "sys-locale",
  "ttf-parser",
@@ -1222,6 +1231,19 @@ dependencies = [
  "syn 2.0.60",
 ]
 
+[[package]]
+name = "dashmap"
+version = "5.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "978747c1d849a7d2ee5e8adc0159961c48fb7e5db2f06af6723b80123bb53856"
+dependencies = [
+ "cfg-if",
+ "hashbrown",
+ "lock_api",
+ "once_cell",
+ "parking_lot_core 0.9.10",
+]
+
 [[package]]
 name = "data-url"
 version = "0.3.1"
@@ -1328,6 +1350,17 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd0c93bb4b0c6d9b77f4435b0ae98c24d17f1c45b2ff844c6151a07256ca923b"
 
+[[package]]
+name = "displaydoc"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.60",
+]
+
 [[package]]
 name = "dlib"
 version = "0.5.2"
@@ -1612,6 +1645,15 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "find-crate"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59a98bbaacea1c0eb6a0876280051b892eb73594fd90cf3b20e9c817029c57d2"
+dependencies = [
+ "toml 0.5.11",
+]
+
 [[package]]
 name = "flate2"
 version = "1.0.29"
@@ -1637,6 +1679,50 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8bf7cc16383c4b8d58b9905a8509f02926ce3058053c056376248d958c9df1e8"
 
+[[package]]
+name = "fluent"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb74634707bebd0ce645a981148e8fb8c7bccd4c33c652aeffd28bf2f96d555a"
+dependencies = [
+ "fluent-bundle",
+ "unic-langid",
+]
+
+[[package]]
+name = "fluent-bundle"
+version = "0.15.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fe0a21ee80050c678013f82edf4b705fe2f26f1f9877593d13198612503f493"
+dependencies = [
+ "fluent-langneg",
+ "fluent-syntax",
+ "intl-memoizer",
+ "intl_pluralrules",
+ "rustc-hash",
+ "self_cell 0.10.3",
+ "smallvec",
+ "unic-langid",
+]
+
+[[package]]
+name = "fluent-langneg"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c4ad0989667548f06ccd0e306ed56b61bd4d35458d54df5ec7587c0e8ed5e94"
+dependencies = [
+ "unic-langid",
+]
+
+[[package]]
+name = "fluent-syntax"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a530c4694a6a8d528794ee9bbd8ba0122e779629ac908d15ad5a7ae7763a33d"
+dependencies = [
+ "thiserror",
+]
+
 [[package]]
 name = "flume"
 version = "0.11.0"
@@ -2224,6 +2310,76 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
+[[package]]
+name = "i18n-config"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c9ce3c48cbc21fd5b22b9331f32b5b51f6ad85d969b99e793427332e76e7640"
+dependencies = [
+ "log",
+ "serde",
+ "serde_derive",
+ "thiserror",
+ "toml 0.8.12",
+ "unic-langid",
+]
+
+[[package]]
+name = "i18n-embed"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94205d95764f5bb9db9ea98fa77f89653365ca748e27161f5bbea2ffd50e459c"
+dependencies = [
+ "arc-swap",
+ "fluent",
+ "fluent-langneg",
+ "fluent-syntax",
+ "i18n-embed-impl",
+ "intl-memoizer",
+ "lazy_static",
+ "locale_config",
+ "log",
+ "parking_lot 0.12.2",
+ "rust-embed",
+ "thiserror",
+ "unic-langid",
+ "walkdir",
+]
+
+[[package]]
+name = "i18n-embed-fl"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fc1f8715195dffc4caddcf1cf3128da15fe5d8a137606ea8856c9300047d5a2"
+dependencies = [
+ "dashmap",
+ "find-crate",
+ "fluent",
+ "fluent-syntax",
+ "i18n-config",
+ "i18n-embed",
+ "lazy_static",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn 2.0.60",
+ "unic-langid",
+]
+
+[[package]]
+name = "i18n-embed-impl"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81093c4701672f59416582fe3145676126fd23ba5db910acad0793c1108aaa58"
+dependencies = [
+ "find-crate",
+ "i18n-config",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.60",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.60"
@@ -2527,6 +2683,25 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "intl-memoizer"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe22e020fce238ae18a6d5d8c502ee76a52a6e880d99477657e6acc30ec57bda"
+dependencies = [
+ "type-map",
+ "unic-langid",
+]
+
+[[package]]
+name = "intl_pluralrules"
+version = "7.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "078ea7b7c29a2b4df841a7f6ac8775ff6074020c6776d48491ce2268e068f972"
+dependencies = [
+ "unic-langid",
+]
+
 [[package]]
 name = "io-lifetimes"
 version = "1.0.11"
@@ -2767,6 +2942,19 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0b5399f6804fbab912acbd8878ed3532d506b7c951b8f9f164ef90fef39e3f4"
 
+[[package]]
+name = "locale_config"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d2c35b16f4483f6c26f0e4e9550717a2f6575bcd6f12a53ff0c490a94a6934"
+dependencies = [
+ "lazy_static",
+ "objc",
+ "objc-foundation",
+ "regex",
+ "winapi",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -3838,6 +4026,40 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "rust-embed"
+version = "8.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb78f46d0066053d16d4ca7b898e9343bc3530f71c61d5ad84cd404ada068745"
+dependencies = [
+ "rust-embed-impl",
+ "rust-embed-utils",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-impl"
+version = "8.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b91ac2a3c6c0520a3fb3dd89321177c3c692937c4eb21893378219da10c44fc8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "rust-embed-utils",
+ "syn 2.0.60",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-utils"
+version = "8.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86f69089032567ffff4eada41c573fc43ff466c7db7c5688b2e7969584345581"
+dependencies = [
+ "sha2",
+ "walkdir",
+]
+
 [[package]]
 name = "rust-ini"
 version = "0.20.0"
@@ -3937,6 +4159,15 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "self_cell"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e14e4d63b804dc0c7ec4a1e52bcb63f02c7ac94476755aa579edac21e01f915d"
+dependencies = [
+ "self_cell 1.0.3",
+]
+
 [[package]]
 name = "self_cell"
 version = "1.0.3"
@@ -4005,6 +4236,17 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.10.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -4268,7 +4510,7 @@ dependencies = [
  "cfg-expr",
  "heck 0.5.0",
  "pkg-config",
- "toml",
+ "toml 0.8.12",
  "version-compare",
 ]
 
@@ -4418,6 +4660,15 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tinystr"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83c02bf3c538ab32ba913408224323915f4ef9a6d61c0e85d493f355921c0ece"
+dependencies = [
+ "displaydoc",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
@@ -4464,6 +4715,15 @@ dependencies = [
  "syn 2.0.60",
 ]
 
+[[package]]
+name = "toml"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "toml"
 version = "0.8.12"
@@ -4546,6 +4806,15 @@ version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17f77d76d837a7830fe1d4f12b7b4ba4192c1888001c7164257e4bc6d21d96b4"
 
+[[package]]
+name = "type-map"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "deb68604048ff8fa93347f02441e4487594adc20bb8a084f9e564d2b827a0a9f"
+dependencies = [
+ "rustc-hash",
+]
+
 [[package]]
 name = "typenum"
 version = "1.17.0"
@@ -4563,6 +4832,25 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "unic-langid"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "238722e6d794ed130f91f4ea33e01fcff4f188d92337a21297892521c72df516"
+dependencies = [
+ "unic-langid-impl",
+]
+
+[[package]]
+name = "unic-langid-impl"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bd55a2063fdea4ef1f8633243a7b0524cbeef1905ae04c31a1c9b9775c55bc6"
+dependencies = [
+ "serde",
+ "tinystr",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.15"

Cargo.toml

@@ -30,6 +30,10 @@ nix = { workspace = true, optional = true }
 upower_dbus = { git = "https://github.com/pop-os/dbus-settings-bindings", rev = "3644bc909984842f35adb1057ef6e0a277c1aa6a", optional = true }
 # Required for some features
 zbus = { workspace = true, optional = true }
+# Internationalization
+i18n-embed = { version = "0.14", features = ["fluent-system", "desktop-requester"] }
+i18n-embed-fl = "0.7"
+rust-embed = "8"
 
 [dependencies.greetd_ipc]
 version = "0.10.0"

i18n.toml

@@ -0,0 +1,4 @@
+fallback_language = "en"
+
+[fluent]
+assets_dir = "i18n"

i18n/en/cosmic_greeter.ftl

@@ -0,0 +1,7 @@
+cancel = Cancel
+restart = Restart
+restart-now = Restart now?
+restart-timeout = The system will restart automatically in {$seconds} seconds.
+shutdown = Shut down
+shutdown-now = Shut down now?
+shutdown-timeout = The system will shut down automatically in {$seconds} seconds.

src/greeter.rs

@@ -108,6 +108,8 @@ fn user_data_fallback() -> Vec<UserData> {
 }
 
 pub fn main() -> Result<(), Box<dyn Error>> {
+    crate::localize::localize();
+
     let mut user_datas = match futures::executor::block_on(async { user_data_dbus().await }) {
         Ok(ok) => ok,
         Err(err) => {

src/lib.rs

@@ -2,9 +2,11 @@
 // SPDX-License-Identifier: GPL-3.0-only
 
 pub mod greeter;
-mod image_container;
 pub mod locker;
 
+mod image_container;
+mod localize;
+
 #[cfg(feature = "logind")]
 mod logind;
 

src/localize.rs

@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
+use std::sync::OnceLock;
+
+use i18n_embed::{
+    fluent::{fluent_language_loader, FluentLanguageLoader},
+    DefaultLocalizer, LanguageLoader, Localizer,
+};
+use rust_embed::RustEmbed;
+
+#[derive(RustEmbed)]
+#[folder = "i18n/"]
+struct Localizations;
+
+pub static LANGUAGE_LOADER: OnceLock<FluentLanguageLoader> = OnceLock::new();
+
+#[macro_export]
+macro_rules! fl {
+    ($message_id:literal) => {{
+        i18n_embed_fl::fl!($crate::localize::LANGUAGE_LOADER.get().unwrap(), $message_id)
+    }};
+
+    ($message_id:literal, $($args:expr),*) => {{
+        i18n_embed_fl::fl!($crate::localize::LANGUAGE_LOADER.get().unwrap(), $message_id, $($args), *)
+    }};
+}
+
+// Get the `Localizer` to be used for localizing this library.
+pub fn localizer() -> Box<dyn Localizer> {
+    LANGUAGE_LOADER.get_or_init(|| {
+        let loader: FluentLanguageLoader = fluent_language_loader!();
+
+        loader
+            .load_fallback_language(&Localizations)
+            .expect("Error while loading fallback language");
+
+        loader
+    });
+
+    Box::from(DefaultLocalizer::new(
+        LANGUAGE_LOADER.get().unwrap(),
+        &Localizations,
+    ))
+}
+
+pub fn localize() {
+    let localizer = localizer();
+    let requested_languages = i18n_embed::DesktopLanguageRequester::requested_languages();
+
+    if let Err(error) = localizer.select(&requested_languages) {
+        eprintln!("Error while loading language for App List {}", error);
+    }
+}

src/locker.rs

@@ -33,6 +33,8 @@ use tokio::{sync::mpsc, task, time};
 use wayland_client::{protocol::wl_output::WlOutput, Proxy};
 
 pub fn main(current_user: pwd::Passwd) -> Result<(), Box<dyn std::error::Error>> {
+    crate::localize::localize();
+
     //TODO: use accountsservice
     let icon_path = Path::new("/var/lib/AccountsService/icons").join(&current_user.name);
     let icon_opt = if icon_path.is_file() {