Add Ukrainian localization (uk) (#1196)

Ukrainian UI catalog; untranslated keys fall back to English.

crates/ui-egui/src/i18n.rs

@@ -37,8 +37,9 @@ static GERMAN: Catalog = Catalog::new("de", "Deutsch", include_str!(concat!(env!
 static FRENCH: Catalog = Catalog::new("fr", "Français", include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../assets/locales/fr.json")));
 static KOREAN: Catalog = Catalog::new("ko", "한국어", include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../assets/locales/ko.json")));
 static RUSSIAN: Catalog = Catalog::new("ru", "Русский", include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../assets/locales/ru.json")));
+static UKRAINIAN: Catalog = Catalog::new("uk", "Українська", include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../assets/locales/uk.json")));
 static CHINESE: Catalog = Catalog::new("zh", "中文", include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../assets/locales/zh.json")));
-pub const LOCALES: &[&Catalog] = &[&ENGLISH, &JAPANESE, &GERMAN, &FRENCH, &KOREAN, &RUSSIAN, &CHINESE];
+pub const LOCALES: &[&Catalog] = &[&ENGLISH, &JAPANESE, &GERMAN, &FRENCH, &KOREAN, &RUSSIAN, &UKRAINIAN, &CHINESE];
 
 pub fn is_supported(id: &str) -> bool {
     LOCALES.iter().any(|catalog| catalog.id == id)
@@ -189,11 +190,11 @@ mod tests {
     }
 
     /// Catalogs delivered complete. English is the source catalog; Japanese was completed
-    /// upstream and Chinese lands complete here. German, Korean, Russian and French are partial
-    /// (German and Korean predate the coverage guards; Russian and French are kept partial so a
-    /// new label doesn't need more translations), so their gaps fall back to English and are reported by
-    /// `cargo xtask i18n` without failing the build, while nothing in the complete catalogs may
-    /// regress.
+    /// upstream and Chinese lands complete here. German, Korean, Russian, French and Ukrainian
+    /// are partial (German and Korean predate the coverage guards; Russian, French and Ukrainian
+    /// are kept partial so a new label doesn't need more translations), so their gaps fall back
+    /// to English and are reported by `cargo xtask i18n` without failing the build, while
+    /// nothing in the complete catalogs may regress.
     const COMPLETE: &[&str] = &["ja", "zh"];
 
     /// `text()` falls back to English silently, so a message a complete locale never received is
@@ -262,6 +263,7 @@ mod tests {
             ("ko", "플랜지", "얼룩말줄무늬 분석", "운동 연구"),
             ("ru", "Фланец", "Зебра-анализ", "Исследование движения"),
             ("fr", "Bord tombé", "Analyse zébrée", "Étude de mouvement"),
+            ("uk", "Фланець", "Зебра-аналіз", "Дослідження руху"),
         ];
         for (lang, flange, zebra, motion) in cases {
             let locale = Locale::for_language(lang);
@@ -343,6 +345,7 @@ mod tests {
             ("ko", "프로파일", "점"),
             ("ru", "Профиль", "Точки"),
             ("fr", "Profil", "Points"),
+            ("uk", "Профіль", "Точки"),
         ] {
             let locale = Locale::for_language(lang);
             assert_eq!(locale.label("ui.palette_profile"), profile, "{lang}");
@@ -367,6 +370,7 @@ mod tests {
             ("ko", "구성 형상"),
             ("ru", "Вспомогательная геометрия"),
             ("fr", "Géométries de construction"),
+            ("uk", "Конструкційна геометрія"),
         ];
         for (lang, want) in rows {
             let locale = Locale::for_language(lang);
@@ -463,6 +467,27 @@ mod tests {
         assert_eq!(fr.dynamic("Sketch of bracket"), "Sketch of bracket");
     }
 
+    #[test]
+    fn ukrainian_catalog_translates_keys_labels_and_browser_patterns() {
+        let uk = Locale::for_language("uk");
+        assert_eq!(uk.name(), "Українська");
+        assert!(is_supported("uk"));
+        assert_eq!(uk.text("ui.preferences"), "Налаштування");
+        assert_eq!(uk.label("Extrude"), "Видавлювання");
+        assert_eq!(uk.label("CREATE SKETCH"), "СТВОРИТИ ЕСКІЗ");
+        assert_eq!(uk.label("NonExistentKey"), "NonExistentKey");
+        assert_eq!(uk.format("document.save_changes", &[("name", "My {design}")]), "Зберегти зміни в My {design}?");
+        assert_eq!(uk.format("dialog.selected_count", &[("count", "2")]), "↖ Вибрано: 2");
+        assert_eq!(uk.dynamic("Sketch1"), "Ескіз1");
+        assert_eq!(uk.dynamic("Body2"), "Тіло2");
+        assert_eq!(uk.dynamic("Component12"), "Компонент12");
+        assert_eq!(uk.dynamic("Units: mm"), "Одиниці: mm");
+        assert_eq!(uk.dynamic("Precision: 3"), "Точність: 3");
+        assert_eq!(uk.dynamic("Parameters (5)"), "Параметри (5)");
+        assert_eq!(uk.dynamic("4 degrees of freedom"), "4 ступенів вільності");
+        assert_eq!(uk.dynamic("Sketch of bracket"), "Sketch of bracket");
+    }
+
     #[test]
     fn render_scopes_restore_the_previous_language() {
         let _english = scope("en");

crates/ui-egui/src/i18n_ui_tests.rs

@@ -28,7 +28,8 @@ fn sketch_palette_profile_and_points_rows_show_their_own_translation() {
     // i18n::tests::id_labels_resolve_to_their_own_translation_not_an_english_fallback for the
     // lookup itself). A broken id falls back to English silently rather than failing loudly, so
     // check the word actually on screen in each locale, not just that something renders.
-    for (lang, profile, points) in [("de", "Profil", "Punkte"), ("ja", "プロファイル", "点"), ("ko", "프로파일", "점")] {
+    for (lang, profile, points) in [("de", "Profil", "Punkte"), ("ja", "プロファイル", "点"), ("ko", "프로파일", "점"), ("uk", "Профіль", "Точки")]
+    {
         let mut h = Harness::new();
         h.app.preferences.language = lang.into();
         h.app.home.open = false;
@@ -66,6 +67,7 @@ fn window_chrome_renders_in_the_active_language() {
         ("ko", "브라우저", "선택 필터", "면"),
         ("ru", "БРАУЗЕР", "Фильтр выделения", "Грани"),
         ("fr", "NAVIGATEUR", "Filtre de sélection", "Faces"),
+        ("uk", "БРАУЗЕР", "Фільтр виділення", "Грані"),
     ] {
         let mut h = Harness::new();
         h.app.preferences.language = lang.into();

crates/ui-egui/src/thin_extrude_tests.rs

@@ -62,9 +62,12 @@ fn editing_a_thin_extrude_keeps_its_wall() {
 
 #[test]
 fn the_thin_rows_are_translated() {
-    for (lang, thin, location, outside) in
-        [("ja", "薄肉押し出し", "壁の位置", "外側の厚さ"), ("de", "Dünnwandig extrudieren", "Wandlage", "Dicke außen")]
-    {
+    let cases = [
+        ("ja", "薄肉押し出し", "壁の位置", "外側の厚さ"),
+        ("de", "Dünnwandig extrudieren", "Wandlage", "Dicke außen"),
+        ("uk", "Тонке видавлювання", "Розташування стінки", "Товщина назовні"),
+    ];
+    for (lang, thin, location, outside) in cases {
         let mut h = Harness::new();
         h.app.preferences.language = lang.into();
         rectangle(&mut h);