Type: translate the numbered stylistic set label

StylisticSet.name now holds only a name the font supplies. The OpenType panel shows a set without one as `Set {n}` through tl!, so the label is translated, and each UI catalog has a `Set {n}` row.

crates/text/src/fontdb/stylistic_sets.rs

@@ -8,11 +8,11 @@ use super::FontFace;
 use super::names::name;
 
 /// One `ss01`–`ss20` feature in a face. `number` is the tag's number; `name` is the font's UI
-/// label when it supplies one, otherwise `Set 1` through `Set 20`.
+/// label when it supplies one, and `None` otherwise.
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct StylisticSet {
     pub number: u8,
-    pub name: String,
+    pub name: Option<String>,
 }
 
 /// The `ssNN` number in a feature tag, if it is one of the twenty registered sets.
@@ -25,8 +25,9 @@ fn number(tag: [u8; 4]) -> Option<usize> {
 }
 
 /// Collect registered set records from either layout table. Fonts may carry a set in GSUB, GPOS,
-/// or both. A readable custom name takes precedence over the numbered fallback.
-fn collect(font: &skrifa::FontRef<'_>, features: FeatureList<'_>, labels: &mut [Option<String>; 20]) {
+/// or both. `labels[n - 1]` is `Some` once set `n` is found, holding its readable custom name if
+/// any record supplies one.
+fn collect(font: &skrifa::FontRef<'_>, features: FeatureList<'_>, labels: &mut [Option<Option<String>>; 20]) {
     for record in features.feature_records().iter().take(4096) {
         let Some(n) = number(record.feature_tag().to_be_bytes()) else { continue };
         let Ok(feature) = record.feature(features.offset_data()) else { continue };
@@ -38,10 +39,10 @@ fn collect(font: &skrifa::FontRef<'_>, features: FeatureList<'_>, labels: &mut [
             _ => None,
         });
         let slot = &mut labels[n - 1];
-        if let Some(custom) = custom {
+        if custom.is_some() {
             *slot = Some(custom);
         } else if slot.is_none() {
-            *slot = Some(format!("Set {n}"));
+            *slot = Some(None);
         }
     }
 }
@@ -51,7 +52,7 @@ impl FontFace {
     /// skipped, and no more than 4096 feature records from either table are read.
     pub fn stylistic_sets(&self) -> Vec<StylisticSet> {
         let Some(font) = self.skrifa() else { return Vec::new() };
-        let mut labels: [Option<String>; 20] = std::array::from_fn(|_| None);
+        let mut labels: [Option<Option<String>>; 20] = std::array::from_fn(|_| None);
         if let Ok(gsub) = font.gsub()
             && let Ok(features) = gsub.feature_list()
         {
@@ -120,9 +121,6 @@ mod tests {
         let db = super::super::FontDb::with_font_dirs(vec![]);
         assert_eq!(db.add_font(builder.build()), 1);
         let face = db.face("Stylistic Test Sans", "Regular").unwrap();
-        assert_eq!(
-            face.stylistic_sets(),
-            [StylisticSet { number: 1, name: "Curved Capitals".into() }, StylisticSet { number: 3, name: "Set 3".into() }]
-        );
+        assert_eq!(face.stylistic_sets(), [StylisticSet { number: 1, name: Some("Curved Capitals".into()) }, StylisticSet { number: 3, name: None }]);
     }
 }

crates/ui-egui/src/i18n/bg.tsv

@@ -3238,6 +3238,7 @@ digits	Malayalam	Малаялам
 	Swap start and end arrowheads	Размяна на началната и крайната стрелка
 	Swap the selected object for the file, keeping its place and transform	Замяна на избрания обект с файла, като се запазват мястото и трансформациите му
 	Stylistic Alternates	Стилистични алтернативи
+	Set {n}	Набор {n}
 	Swash	Декоративен елемент
 	Swatch Conflict	Конфликт на образци
 	Swatch Conflicts	Конфликти на образци

crates/ui-egui/src/i18n/bs.tsv

@@ -1816,6 +1816,7 @@ digits	Malayalam	Malajalam
 	Select text to set its OpenType features.	Odaberite tekst da postavite njegove OpenType mogućnosti.
 	Standard Ligatures	Standardne ligature
 	Stylistic Alternates	Stilske alternative
+	Set {n}	Skup {n}
 	Swash	Ukrasni potez
 	Tabular Lining	Tabelarne brojke
 	Tabular Oldstyle	Tabelarne stare brojke

crates/ui-egui/src/i18n/ca.tsv

@@ -6021,6 +6021,7 @@ anchor	Points:	Punts:
 	Character Color	Color del caràcter
 	OpenType Features	Funcions OpenType
 	Stylistic Sets	Jocs estilístics
+	Set {n}	Joc {n}
 @msg	features lists at most {max} tags	features admet com a màxim {max} etiquetes
 @msg	unknown OpenType feature `{t}`	funció OpenType desconeguda `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} ha de ser un nombre superior a 0 i com a màxim {max}

crates/ui-egui/src/i18n/cs.tsv

@@ -6037,6 +6037,7 @@ anchor	Points:	Body:
 	Character Color	Barva znaků
 	OpenType Features	Funkce OpenType
 	Stylistic Sets	Stylistické sady
+	Set {n}	Sada {n}
 @msg	features lists at most {max} tags	features obsahuje nejvýše {max} značek
 @msg	unknown OpenType feature `{t}`	neznámá funkce OpenType `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} musí být číslo větší než 0 a nejvýše {max}

crates/ui-egui/src/i18n/da.tsv

@@ -1656,6 +1656,7 @@ digits	Malayalam	Malayalam
 	Select text to set its OpenType features.	Markér tekst for at angive dens OpenType-funktioner.
 	Standard Ligatures	Standardligaturer
 	Stylistic Alternates	Stilistiske alternativer
+	Set {n}	Sæt {n}
 	Swash	Sving
 	Tabular Lining	Tabulære versalcifre
 	Tabular Oldstyle	Tabulære mediævalcifre

crates/ui-egui/src/i18n/de.tsv

@@ -5622,6 +5622,7 @@ anchor	Points:	Punkte:
 	Character Color	Zeichenfarbe
 	OpenType Features	OpenType-Funktionen
 	Stylistic Sets	Stilsätze
+	Set {n}	Satz {n}
 @msg	features lists at most {max} tags	features enthält höchstens {max} Tags
 @msg	unknown OpenType feature `{t}`	unbekannte OpenType-Funktion `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} muss eine Zahl über 0 und höchstens {max} sein

crates/ui-egui/src/i18n/el.tsv

@@ -5988,6 +5988,7 @@ anchor	Points:	Σημεία:
 	Character Color	Χρώμα χαρακτήρων
 	OpenType Features	Χαρακτηριστικά OpenType
 	Stylistic Sets	Στιλιστικά σύνολα
+	Set {n}	Σύνολο {n}
 @msg	features lists at most {max} tags	Το features περιέχει έως {max} ετικέτες
 @msg	unknown OpenType feature `{t}`	άγνωστο χαρακτηριστικό OpenType `{t}`
 @msg	{label} must be a number above 0 and at most {max}	Το {label} πρέπει να είναι αριθμός μεγαλύτερος από 0 και έως {max}

crates/ui-egui/src/i18n/es.tsv

@@ -5979,6 +5979,7 @@ anchor	Points:	Puntos:
 	Character Color	Color de los caracteres
 	OpenType Features	Funciones OpenType
 	Stylistic Sets	Conjuntos estilísticos
+	Set {n}	Conjunto {n}
 @msg	features lists at most {max} tags	features admite como máximo {max} etiquetas
 @msg	unknown OpenType feature `{t}`	función OpenType desconocida `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} debe ser un número mayor que 0 y como máximo {max}

crates/ui-egui/src/i18n/fi.tsv

@@ -6067,6 +6067,7 @@ anchor	Points:	Pisteet:
 	Character Color	Merkin väri
 	OpenType Features	OpenType-ominaisuudet
 	Stylistic Sets	Tyylisarjat
+	Set {n}	Sarja {n}
 @msg	features lists at most {max} tags	features sisältää enintään {max} tunnistetta
 @msg	unknown OpenType feature `{t}`	tuntematon OpenType-ominaisuus `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} on oltava luku, joka on yli 0 ja enintään {max}

crates/ui-egui/src/i18n/fr.tsv

@@ -6032,6 +6032,7 @@ anchor	Points:	Points :
 	Character Color	Couleur des caractères
 	OpenType Features	Fonctions OpenType
 	Stylistic Sets	Jeux stylistiques
+	Set {n}	Jeu {n}
 @msg	features lists at most {max} tags	features contient au plus {max} balises
 @msg	unknown OpenType feature `{t}`	fonction OpenType inconnue `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} doit être un nombre supérieur à 0 et au plus égal à {max}

crates/ui-egui/src/i18n/hu.tsv

@@ -6021,6 +6021,7 @@ anchor	Points:	Pontok:
 	Character Color	Karakterszín
 	OpenType Features	OpenType-funkciók
 	Stylistic Sets	Stíluskészletek
+	Set {n}	{n}. készlet
 @msg	features lists at most {max} tags	a features legfeljebb {max} címkét tartalmazhat
 @msg	unknown OpenType feature `{t}`	ismeretlen OpenType-funkció: `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} 0-nál nagyobb és legfeljebb {max} értékű szám kell legyen

crates/ui-egui/src/i18n/id.tsv

@@ -1656,6 +1656,7 @@ digits	Malayalam	Malayalam
 	Select text to set its OpenType features.	Pilih teks untuk mengatur fitur OpenType-nya.
 	Standard Ligatures	Ligatur standar
 	Stylistic Alternates	Alternatif gaya
+	Set {n}	Set {n}
 	Swash	Swash
 	Tabular Lining	Lining tabular
 	Tabular Oldstyle	Oldstyle tabular

crates/ui-egui/src/i18n/it.tsv

@@ -5656,6 +5656,7 @@ anchor	Points:	Punti:
 	Character Color	Colore carattere
 	OpenType Features	Funzioni OpenType
 	Stylistic Sets	Set stilistici
+	Set {n}	Set {n}
 @msg	features lists at most {max} tags	features contiene al massimo {max} tag
 @msg	unknown OpenType feature `{t}`	funzione OpenType sconosciuta `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} deve essere un numero maggiore di 0 e al massimo {max}

crates/ui-egui/src/i18n/ja.tsv

@@ -5721,6 +5721,7 @@ anchor	Points:	ポイント:
 	Character Color	文字カラー
 	OpenType Features	OpenType 機能
 	Stylistic Sets	スタイルセット
+	Set {n}	セット {n}
 @msg	features lists at most {max} tags	features に指定できるタグは {max} 個までです
 @msg	unknown OpenType feature `{t}`	不明な OpenType 機能 `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} には 0 より大きく {max} 以下の数値を指定してください

crates/ui-egui/src/i18n/ka.tsv

@@ -6033,6 +6033,7 @@ anchor	Points:	წერტილები:
 	Character Color	სიმბოლოს ფერი
 	OpenType Features	OpenType შესაძლებლობები
 	Stylistic Sets	სტილისტური ნაკრებები
+	Set {n}	ნაკრები {n}
 @msg	features lists at most {max} tags	features შეიძლება შეიცავდეს არაუმეტეს {max} ტეგს
 @msg	unknown OpenType feature `{t}`	უცნობი OpenType შესაძლებლობა `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} უნდა იყოს 0-ზე მეტი და არაუმეტეს {max}-ისა რიცხვი

crates/ui-egui/src/i18n/ko.tsv

@@ -5617,6 +5617,7 @@ anchor	Points:	포인트:
 	Character Color	문자 색상
 	OpenType Features	OpenType 기능
 	Stylistic Sets	스타일 세트
+	Set {n}	세트 {n}
 @msg	features lists at most {max} tags	features에는 태그를 최대 {max}개까지 지정할 수 있습니다
 @msg	unknown OpenType feature `{t}`	알 수 없는 OpenType 기능 `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label}은(는) 0 초과 {max} 이하의 숫자여야 합니다

crates/ui-egui/src/i18n/nl.tsv

@@ -1670,6 +1670,7 @@ digits	Malayalam	Malayalam
 	Select text to set its OpenType features.	Selecteer tekst om de OpenType-functies in te stellen.
 	Standard Ligatures	Standaardligaturen
 	Stylistic Alternates	Stilistische alternatieven
+	Set {n}	Set {n}
 	Swash	Swash
 	Tabular Lining	Tabulaire lining
 	Tabular Oldstyle	Tabulaire oldstyle

crates/ui-egui/src/i18n/pl.tsv

@@ -5891,6 +5891,7 @@ anchor	Points:	Punkty:
 	Character Color	Kolor znaków
 	OpenType Features	Funkcje OpenType
 	Stylistic Sets	Zestawy stylistyczne
+	Set {n}	Zestaw {n}
 @msg	features lists at most {max} tags	features może zawierać najwyżej {max} znaczników
 @msg	unknown OpenType feature `{t}`	nieznana funkcja OpenType `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} musi być liczbą większą od 0 i nie większą niż {max}

crates/ui-egui/src/i18n/pt-br.tsv

@@ -5953,6 +5953,7 @@ anchor	Points:	Pontos:
 	Character Color	Cor do Caractere
 	OpenType Features	Recursos OpenType
 	Stylistic Sets	Conjuntos Estilísticos
+	Set {n}	Conjunto {n}
 @msg	features lists at most {max} tags	features aceita no máximo {max} marcas
 @msg	unknown OpenType feature `{t}`	recurso OpenType desconhecido `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} deve ser um número maior que 0 e no máximo {max}

crates/ui-egui/src/i18n/ru.tsv

@@ -6014,6 +6014,7 @@ anchor	Points:	Точки:
 	Character Color	Цвет символов
 	OpenType Features	Функции OpenType
 	Stylistic Sets	Стилистические наборы
+	Set {n}	Набор {n}
 @msg	features lists at most {max} tags	features содержит не более {max} тегов
 @msg	unknown OpenType feature `{t}`	неизвестная функция OpenType `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} должно быть числом больше 0 и не более {max}

crates/ui-egui/src/i18n/sv.tsv

@@ -6089,6 +6089,7 @@ shape	Open	Öppen
 	Character Color	Teckenfärg
 	OpenType Features	OpenType-funktioner
 	Stylistic Sets	Stilistiska uppsättningar
+	Set {n}	Uppsättning {n}
 @msg	features lists at most {max} tags	features får innehålla högst {max} taggar
 @msg	unknown OpenType feature `{t}`	okänd OpenType-funktion `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} måste vara ett tal över 0 och högst {max}

crates/ui-egui/src/i18n/tr.tsv

@@ -5994,6 +5994,7 @@ anchor	Points:	Noktalar:
 	Character Color	Karakter Rengi
 	OpenType Features	OpenType Özellikleri
 	Stylistic Sets	Stilistik Setler
+	Set {n}	Set {n}
 @msg	features lists at most {max} tags	features en fazla {max} etiket içerebilir
 @msg	unknown OpenType feature `{t}`	bilinmeyen OpenType özelliği `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} 0'ın üzerinde ve en fazla {max} olan bir sayı olmalıdır

crates/ui-egui/src/i18n/uk.tsv

@@ -5636,6 +5636,7 @@ anchor	Points:	Точки:
 	Character Color	Колір символів
 	OpenType Features	Функції OpenType
 	Stylistic Sets	Стилістичні набори
+	Set {n}	Набір {n}
 @msg	features lists at most {max} tags	features містить не більше {max} тегів
 @msg	unknown OpenType feature `{t}`	невідома функція OpenType `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} має бути числом більше 0 і не більше {max}

crates/ui-egui/src/i18n/vi.tsv

@@ -5637,6 +5637,7 @@ anchor	Points:	Điểm:
 	Character Color	Màu ký tự
 	OpenType Features	Tính năng OpenType
 	Stylistic Sets	Bộ phong cách
+	Set {n}	Bộ {n}
 @msg	features lists at most {max} tags	features chứa tối đa {max} thẻ
 @msg	unknown OpenType feature `{t}`	tính năng OpenType không xác định `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} phải là một số lớn hơn 0 và tối đa {max}

crates/ui-egui/src/i18n/zh-hans.tsv

@@ -5878,6 +5878,7 @@ anchor	Points:	点：
 	Character Color	字符颜色
 	OpenType Features	OpenType 特性
 	Stylistic Sets	风格集
+	Set {n}	风格集 {n}
 @msg	features lists at most {max} tags	features 最多包含 {max} 个标签
 @msg	unknown OpenType feature `{t}`	未知的 OpenType 特性 `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} 必须是大于 0 且不超过 {max} 的数字

crates/ui-egui/src/i18n/zh-hant.tsv

@@ -5674,6 +5674,7 @@ anchor	Points:	點：
 	Character Color	字元顏色
 	OpenType Features	OpenType 功能
 	Stylistic Sets	風格集
+	Set {n}	風格集 {n}
 @msg	features lists at most {max} tags	features 最多包含 {max} 個標籤
 @msg	unknown OpenType feature `{t}`	未知的 OpenType 功能 `{t}`
 @msg	{label} must be a number above 0 and at most {max}	{label} 必須是大於 0 且不超過 {max} 的數字

crates/ui-egui/src/panels/opentype.rs

@@ -4,7 +4,7 @@
 
 use egui::Ui;
 use serde_json::json;
-use vectorcraft_text::{EXTRA_FEATURES, FontDb, OtFeatures};
+use vectorcraft_text::{EXTRA_FEATURES, FontDb, OtFeatures, StylisticSet};
 
 use super::character::{shared, text_editing, text_style};
 use crate::VectorcraftApp;
@@ -208,7 +208,7 @@ pub fn show(app: &mut VectorcraftApp, ui: &mut Ui) {
             for set in &sets {
                 let flag = Flag::Extra(EXTRA_FEATURES[usize::from(set.number - 1)]);
                 let on = flag.get(&next);
-                if widgets::check(ui, &set.name, on, true) {
+                if widgets::check(ui, &set_label(set), on, true) {
                     change = Some(Change::Toggle(flag, !on));
                 }
             }
@@ -222,6 +222,15 @@ pub fn show(app: &mut VectorcraftApp, ui: &mut Ui) {
     }
 }
 
+/// A Stylistic Sets menu entry: the font's own name for the set, or `Set 1` through `Set 20` in
+/// the UI language.
+fn set_label(set: &StylisticSet) -> String {
+    match &set.name {
+        Some(name) => name.clone(),
+        None => crate::i18n::fmt(tl!("Set {n}"), &[("n", &set.number.to_string())]),
+    }
+}
+
 /// The panel's checkbox rows, in the order they are drawn.
 fn rows() -> [Toggle; 9] {
     [
@@ -311,6 +320,21 @@ mod tests {
         assert_eq!(text_style(&app).unwrap().0.features, ["ss03"]);
     }
 
+    /// A set the font names keeps the font's name; a set without one gets the numbered label in
+    /// the UI language.
+    #[test]
+    fn stylistic_set_labels_follow_the_ui_language() {
+        let named = StylisticSet { number: 1, name: Some("Curved Capitals".into()) };
+        let numbered = StylisticSet { number: 3, name: None };
+        assert_eq!(set_label(&numbered), "Set 3");
+        let Some(de) = crate::i18n::Lang::from_code("de") else { panic!("no German catalog") };
+        crate::i18n::set_current(de);
+        let (named_de, numbered_de) = (set_label(&named), set_label(&numbered));
+        crate::i18n::set_current(crate::i18n::Lang::EN);
+        assert_eq!(named_de, "Curved Capitals");
+        assert_eq!(numbered_de, "Satz 3");
+    }
+
     /// The Figure menu lists its five entries in order; Proportional Lining sets `pnum` and
     /// `lnum` and clears `tnum` and `onum`, Tabular Lining clears `pnum`, Proportional Oldstyle
     /// clears `lnum`, and Default Figure and Tabular Oldstyle clear `pnum` and `lnum`.