Merge pull request #515 from callmeBalloch/i18n-italian

Fix #514: Italian interface (it)

README.md

@@ -194,7 +194,7 @@ milestones, and honest time-to-parity estimates.
 "a power user can't tell the difference". Everyday vector illustration is close to usable: drawing and path tools,
 Pathfinder and Shape Builder, paint, gradients, appearance and transparency, type with styles, threading and Hebrew/Arabic bidirectional layout, and
 files (SVG, PDF and PDF-compatible `.ai` with PDF/X, EPS, DXF, EMF/WMF, raster formats and PSD, Print, Package). The interface
-speaks English, Japanese, Traditional and Simplified Chinese and Spanish (and Czech and Brazilian Portuguese in the menus).
+speaks English, Japanese, Traditional and Simplified Chinese, Spanish and Italian (and Czech and Brazilian Portuguese in the menus).
 The scores are
 self-assessed, so the [honest assessment](ROADMAP.md#honest-assessment-2026-10-05) explains how far to trust them.
 

contributors/people.toml

@@ -21,3 +21,7 @@
 real_name = "Brandon Thomas"
 display_name = "Brandon Thomas"
 sync_github_name = false
+
+[people.callmeBalloch]
+real_name = "Riccardo Balloch"
+sync_github_name = false

crates/ui-egui/src/i18n/mod.rs

@@ -64,7 +64,7 @@ fn plural_czech(n: u64) -> usize {
 }
 
 /// The registry. English first: it is the fallback and the source language.
-pub static LANGUAGES: [LangInfo; 7] = [
+pub static LANGUAGES: [LangInfo; 8] = [
     LangInfo { code: "en", name: "English", source: "", plural: plural_one_other, complete_menus: false, catalog: OnceLock::new() },
     // Japanese: the whole interface (every menu string and `tl!` literal), keeping the product,
     // workspace and perspective preset names in English (`MENU_KEEP_AS_IS`).
@@ -81,6 +81,16 @@ pub static LANGUAGES: [LangInfo; 7] = [
         complete_menus: true,
         catalog: OnceLock::new(),
     },
+    // Italian: the whole interface and the status and error messages, keeping the same names in
+    // English as Spanish; every `it-*` locale (`it-IT`, `it-CH`, `it-SM` …) resolves here.
+    LangInfo {
+        code: "it",
+        name: "Italiano",
+        source: include_str!("it.tsv"),
+        plural: plural_one_other,
+        complete_menus: true,
+        catalog: OnceLock::new(),
+    },
     // Brazilian Portuguese: every menu label (`menu_catalogs_translate_every_menu_label`), every
     // `tl!` literal and the plural messages; left English on purpose are the `MENU_KEEP_AS_IS`
     // strings (product name, language names, workspace names, perspective grid presets).

crates/ui-egui/src/i18n/tests.rs

@@ -15,6 +15,10 @@ fn tags_map_to_languages() {
     for tag in ["es", "es_ES.UTF-8", "es-MX", "es_AR", "es-419", "es-US"] {
         assert_eq!(lang_from_tag(tag), Lang::from_code("es"), "{tag}");
     }
+    // Italian: Italy, Switzerland and San Marino share the one catalog.
+    for tag in ["it", "it_IT.UTF-8", "it-CH", "it_SM"] {
+        assert_eq!(lang_from_tag(tag), Lang::from_code("it"), "{tag}");
+    }
     // Traditional Chinese: by region, by script, and with a region after the script.
     assert_eq!(lang_from_tag("zh_TW.UTF-8"), Some(ZH()));
     assert_eq!(lang_from_tag("zh-TW"), Some(ZH()));
@@ -391,9 +395,9 @@ fn cs() -> Lang {
 }
 
 /// Languages whose catalogs leave [`MENU_KEEP_AS_IS`] in English.
-const KEEPS_MENU_NAMES: [&str; 4] = ["cs", "es", "ja", "pt-br"];
+const KEEPS_MENU_NAMES: [&str; 5] = ["cs", "es", "it", "ja", "pt-br"];
 
-/// Menu labels the menu-complete catalogs (Czech, Spanish, Japanese, Brazilian Portuguese) show as they are: the product name, a format name, the built-in workspace
+/// Menu labels the menu-complete catalogs (Czech, Spanish, Italian, Japanese, Brazilian Portuguese) show as they are: the product name, a format name, the built-in workspace
 /// names and the perspective grid presets (names, shown untranslated wherever else they appear).
 /// Each language's own name in the Language menu is left alone too.
 const MENU_KEEP_AS_IS: &[&str] = &[
@@ -483,7 +487,7 @@ fn toggled_labels() -> Vec<String> {
     labels
 }
 
-/// Czech, Spanish, Japanese and Brazilian Portuguese cover every menu label, the Show/Hide pairs
+/// Czech, Spanish, Italian, Japanese and Brazilian Portuguese cover every menu label, the Show/Hide pairs
 /// and the canvas context menu included (panels and dialogs not yet).
 #[test]
 fn menu_catalogs_translate_every_menu_label() {
@@ -514,12 +518,17 @@ fn menu_catalogs_translate_every_menu_label() {
     assert_eq!(tr(Lang::from_code("ja").expect("ja"), "File"), "ファイル");
     assert_eq!(tr(Lang::from_code("pt-br").expect("pt-br"), "File"), "Arquivo");
     assert_eq!(tr(es(), "File"), "Archivo");
+    assert_eq!(tr(it(), "Edit"), "Modifica");
 }
 
 fn es() -> Lang {
     Lang::from_code("es").expect("es registered")
 }
 
+fn it() -> Lang {
+    Lang::from_code("it").expect("it registered")
+}
+
 /// Spanish uses the vector-illustration vocabulary its users know, has two plural forms like
 /// English, and reads the same in the menus and in the panels.
 #[test]
@@ -541,6 +550,27 @@ fn spanish_reads_as_spanish() {
     assert_eq!(trn(es(), 3, "{n} Layer", "{n} Layers"), "3 capas");
 }
 
+/// Italian uses the vector-illustration vocabulary its users know, has two plural forms like
+/// English (zero takes the plural), and reads the same in the menus and in the panels.
+#[test]
+fn italian_reads_as_italian() {
+    for (en, want) in [
+        ("Artboard Tool", "Strumento Tavola da disegno"),
+        ("Swatches", "Campioni"),
+        ("Pathfinder", "Elaborazione tracciati"),
+        ("Stroke", "Traccia"),
+        ("Fill", "Riempimento"),
+        ("Direct Selection Tool", "Strumento Selezione diretta"),
+        ("Save As…", "Salva con nome…"),
+        ("Undo", "Annulla"),
+    ] {
+        assert_eq!(tr(it(), en), want);
+    }
+    assert_eq!(trn(it(), 1, "{n} Layer", "{n} Layers"), "1 livello");
+    assert_eq!(trn(it(), 0, "{n} Layer", "{n} Layers"), "0 livelli");
+    assert_eq!(trn(it(), 3, "{n} Layer", "{n} Layers"), "3 livelli");
+}
+
 /// Catalogs written with spaces between words keep a fragment's leading and trailing spaces: the
 /// hint bar and a few labels are joined from pieces (" to finish", "Press ").
 #[test]
@@ -559,11 +589,11 @@ fn czech_plurals_have_three_forms() {
     assert_eq!(forms, [2, 0, 1, 1, 2, 2, 2]);
 }
 
-/// Czech and Spanish letters (and the punctuation their text uses) come from each family's own first font, not
+/// Czech, Spanish and Italian letters (and the punctuation their text uses) come from each family's own first font, not
 /// from a fallback further down the stack. (`has_glyph` can't tell: it counts characters of the
 /// face that draws missing glyphs, the first one, as missing.)
 #[test]
-fn czech_and_spanish_glyphs_are_available_without_system_fonts() {
+fn czech_spanish_and_italian_glyphs_are_available_without_system_fonts() {
     let ctx = egui::Context::default();
     crate::theme::install_fonts(&ctx);
     let mut output = ctx.run_ui(egui::RawInput::default(), |_| {});
@@ -574,7 +604,8 @@ fn czech_and_spanish_glyphs_are_available_without_system_fonts() {
             let first = first.unwrap();
             let mut font = fonts.fonts.font(&family);
             let chars = font.characters();
-            for ch in "áčďéěíňóřšťúůýžÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ„“‚‘…–ñÑüÜ¿¡”".chars() {
+            for ch in "áčďéěíňóřšťúůýžÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ„“‚‘…–ñÑüÜ¿¡”àèìòùÀÈÌÒÙ«»’".chars()
+            {
                 assert!(chars.get(&ch).is_some_and(|fonts| fonts.contains(&first)), "{first} ({family:?}) has no {ch}");
             }
         }
@@ -651,7 +682,7 @@ fn complete_languages_translate_every_message() {
 }
 
 /// Languages whose catalogs cover every status and error message.
-const COMPLETE_MESSAGES: &[&str] = &["es"];
+const COMPLETE_MESSAGES: &[&str] = &["es", "it"];
 
 /// Crates whose error and status messages reach the status bar.
 const MESSAGE_CRATES: &[&str] = &["ui-egui", "engine", "doc", "format", "svg", "pdf", "eps", "text", "plugins", "metafile", "cad"];

docs/development.md

@@ -124,7 +124,8 @@ Languages shipped: English (`en`, the source), Traditional Chinese (`zh-hant`, c
 in Taiwan; `zh-TW`, `zh-HK`, `zh-MO` and `zh-Hant-*` locales all resolve to it), Simplified Chinese (`zh-hans`,
 complete, in the vocabulary used in mainland China; `zh-CN`, `zh-SG`, `zh-Hans-*` and a bare `zh` resolve to it,
 so the two scripts never mix), Japanese (`ja`, complete), Spanish (`es`, complete, in neutral
-international Spanish; every `es-*` locale such as `es-ES`, `es-MX`, `es-AR` or `es-419` resolves to it), Czech (`cs`, every menu label) and Brazilian Portuguese
+international Spanish; every `es-*` locale such as `es-ES`, `es-MX`, `es-AR` or `es-419` resolves to it), Italian (`it`,
+complete; `it-IT`, `it-CH` and every other `it-*` locale resolve to it), Czech (`cs`, every menu label) and Brazilian Portuguese
 (`pt-br`, every menu label and every `tl!` literal). Untranslated text falls back to English until its rows are added.
 
 - `tl!("…")` translates a literal into the language the UI is drawn in; `i18n::t(s)` is the same for a
@@ -152,10 +153,10 @@ international Spanish; every `es-*` locale such as `es-ES`, `es-MX`, `es-AR` or
   control channel, MCP and tests read them) and are translated only where the status bar draws them
   (`i18n::msg`). `@msg` catalog rows hold a whole message or a template such as
   `Couldn't open {name}: {e}`; `{_1}`, `{_2}` … stand for the format string's `{}`, and the values in the
-  placeholders are translated in turn (the reason after `: {e}` is often a message too). Spanish covers every
+  placeholders are translated in turn (the reason after `: {e}` is often a message too). Spanish and Italian cover every
   message literal the test scan finds (`complete_languages_translate_every_message`, languages listed in
   `COMPLETE_MESSAGES`): a new `Err("…")`, `Other(…)`, `#[error(…)]` or `status(…)` message needs an `es.tsv`
-  row (`VECTORCRAFT_I18N_DUMP_MESSAGES=messages.txt cargo test -p vectorcraft-ui-egui
+  and an `it.tsv` row (`VECTORCRAFT_I18N_DUMP_MESSAGES=messages.txt cargo test -p vectorcraft-ui-egui
   complete_languages_translate_every_message` lists them all). Other languages show messages in English
   until they add `@msg` rows.
 - Not translated on purpose: names that are user data (layers, swatches, fonts, documents), the tab