Merge pull request #1994 from Janiz-zzz/finnish-interface

Add Finnish interface language

README.md

@@ -220,7 +220,7 @@ doesn't write Affinity files. Current `.af` validation includes 33 pinned files,
 and every-board SVG/PDF/PSD export, with fixes for Affinity 3 artboards, source-backed JPEGs and text runs.
 [Scope and limits](crates/affinity/README.md); [source audit and remaining gaps](docs/affinity-validation.md).
 The interface
-speaks English, German, Japanese, Korean, Vietnamese, Traditional and Simplified Chinese, Spanish, French, Hungarian, Italian, Polish, Brazilian Portuguese, Russian, Swedish and Ukrainian (and Czech in the menus);
+speaks English, German, Japanese, Korean, Vietnamese, Traditional and Simplified Chinese, Spanish, French, Hungarian, Italian, Polish, Brazilian Portuguese, Russian, Swedish, Ukrainian and Finnish (and Czech in the menus);
 [localization-parity.md](docs/localization-parity.md) has the details.
 The scores are self-assessed from our code against Illustrator's public documentation;
 [target-app-parity.md](docs/target-app-parity.md#how-this-was-measured-2026-10-10) explains how far to trust them.

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

@@ -94,7 +94,7 @@ fn plural_polish(n: u64) -> usize {
 }
 
 /// The registry. English first: it is the fallback and the source language.
-pub static LANGUAGES: [LangInfo; 19] = [
+pub static LANGUAGES: [LangInfo; 20] = [
     LangInfo { code: "en", name: "English", source: "", plural: plural_one_other, complete_menus: false, catalog: OnceLock::new() },
     // Greek: the whole interface and the status and error messages, keeping the same names in
     // English as Spanish; every `el-*` locale (including `el-GR` and `el-CY`) resolves here.
@@ -233,6 +233,10 @@ pub static LANGUAGES: [LangInfo; 19] = [
         complete_menus: true,
         catalog: OnceLock::new(),
     },
+    // Finnish: the whole interface and the status and error messages, keeping the same names in
+    // English as Spanish; one/other plurals with the partitive after any number but 1 ("2 tasoa").
+    // Every `fi-*` locale resolves here.
+    LangInfo { code: "fi", name: "Suomi", source: include_str!("fi.tsv"), plural: plural_one_other, complete_menus: true, catalog: OnceLock::new() },
 ];
 
 impl LangInfo {

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

@@ -481,7 +481,7 @@ fn cs() -> Lang {
 }
 
 /// Languages whose catalogs leave [`MENU_KEEP_AS_IS`] in English.
-const KEEPS_MENU_NAMES: [&str; 15] = ["cs", "de", "el", "es", "fr", "hu", "it", "ja", "ko", "pl", "pt-br", "ru", "sv", "uk", "vi"];
+const KEEPS_MENU_NAMES: [&str; 16] = ["cs", "de", "el", "es", "fr", "hu", "it", "ja", "ko", "pl", "pt-br", "ru", "sv", "uk", "vi", "fi"];
 
 /// Menu labels the menu-complete catalogs (Czech, German, 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).
@@ -725,6 +725,43 @@ fn vietnamese_reads_as_vietnamese() {
     assert_eq!(message(vi(), nested), "lệnh `object.group` hiện không khả dụng: chưa chọn gì");
 }
 
+fn fi() -> Lang {
+    Lang::from_code("fi").expect("fi registered")
+}
+
+/// Finnish has one/other plurals (partitive after numbers other than 1) and covers the complete
+/// interface and messages.
+#[test]
+fn finnish_reads_as_finnish() {
+    assert_eq!(fi().name(), "Suomi");
+    assert!(fi().complete_menus());
+    assert_eq!(Lang::from_pref("fi"), fi());
+    assert_eq!(Lang::from_pref("FI"), fi());
+    for tag in ["fi", "fi-FI", "fi_FI.UTF-8", "FI-fi"] {
+        assert_eq!(lang_from_tag(tag), Some(fi()), "{tag}");
+    }
+    // Filipino (`fil`) and Swedish in Finland (`sv-FI`) don't pick Finnish.
+    assert_ne!(lang_from_tag("fil"), Some(fi()));
+    assert_ne!(lang_from_tag("sv-FI"), Some(fi()));
+    for (en, want) in [
+        ("Artboard Tool", "Piirtoalustatyökalu"),
+        ("Swatches", "Värimallit"),
+        ("Stroke", "Viiva"),
+        ("Fill", "Täyttö"),
+        ("Direct Selection Tool", "Suoravalintatyökalu"),
+        ("Save As…", "Tallenna nimellä…"),
+        ("Undo", "Kumoa"),
+        ("Close", "Sulje"),
+    ] {
+        assert_eq!(tr(fi(), en), want);
+    }
+    for (n, layer) in [(0, "tasoa"), (1, "taso"), (3, "tasoa"), (21, "tasoa")] {
+        assert_eq!(trn(fi(), n, "{n} Layer", "{n} Layers"), format!("{n} {layer}"));
+    }
+    let nested = "command `object.group` is not available right now: nothing selected";
+    assert_eq!(message(fi(), nested), "komento `object.group` ei ole nyt käytettävissä: mitään ei ole valittu");
+}
+
 /// Ambiguous English terms keep their intended Vietnamese meaning across UI contexts.
 #[test]
 fn vietnamese_domain_terms_are_consistent() {
@@ -1245,7 +1282,7 @@ fn select_key_param_error_is_translated() {
 }
 
 /// Languages whose catalogs cover every status and error message.
-const COMPLETE_MESSAGES: &[&str] = &["cs", "de", "el", "es", "fr", "hu", "it", "ja", "ko", "pl", "pt-br", "ru", "sv", "uk", "vi"];
+const COMPLETE_MESSAGES: &[&str] = &["cs", "de", "el", "es", "fr", "hu", "it", "ja", "ko", "pl", "pt-br", "ru", "sv", "uk", "vi", "fi"];
 
 /// 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", "trace"];

docs/development.md

@@ -194,7 +194,7 @@ always use the English ids and labels, so agents and scripts never see translate
 Languages shipped: English (`en`, the source), Traditional Chinese (`zh-hant`, complete, in the vocabulary used
 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), Korean (`ko`, complete; every `ko-*` locale resolves to it; a count takes no plural, and Hangul is drawn with an installed system font), Vietnamese (`vi`, complete; every `vi-*` locale resolves to it; a count takes no plural, so plurals have one form), German (`de`, complete; `de-DE`, `de-AT`, `de-CH` and every
+so the two scripts never mix), Japanese (`ja`, complete), Korean (`ko`, complete; every `ko-*` locale resolves to it; a count takes no plural, and Hangul is drawn with an installed system font), Vietnamese (`vi`, complete; every `vi-*` locale resolves to it; a count takes no plural, so plurals have one form), Finnish (`fi`, complete; every `fi-*` locale resolves to it; one/other plurals with the partitive after numbers other than 1), German (`de`, complete; `de-DE`, `de-AT`, `de-CH` and every
 other `de-*` locale resolve to it), Spanish (`es`, complete, in neutral
 international Spanish; every `es-*` locale such as `es-ES`, `es-MX`, `es-AR` or `es-419` resolves to it), French (`fr`,
 complete; `fr-FR`, `fr-BE`, `fr-CA`, `fr-CH` and every other `fr-*` locale resolve to it), Italian (`it`,
@@ -231,7 +231,7 @@ other `sv-*` locale resolve to it), Czech (`cs`, every menu label) and Brazilian
   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). Czech, German, Spanish, French, Hungarian, Italian, Japanese, Korean, Polish, Brazilian Portuguese, Russian, Swedish, Ukrainian and Vietnamese cover every
+  placeholders are translated in turn (the reason after `: {e}` is often a message too). Czech, German, Spanish, French, Hungarian, Italian, Japanese, Korean, Polish, Brazilian Portuguese, Russian, Swedish, Ukrainian, Vietnamese and Finnish 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 a row in each of those catalogs (`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

docs/localization-parity.md

@@ -1,6 +1,6 @@
 # Localization parity
 
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-15 · **Change:** minor (Swedish (`sv`) catalog added, complete under the tests; scores and estimates unchanged; Brazilian Portuguese (`pt-br`) catalog completed under the tests: menus, `tl!` literals and messages; 12-language score 71% → 74%; #1914) · **Target:** Adobe Illustrator 2026 (30.x)
+> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-16 · **Change:** minor (Finnish (`fi`) catalog added, complete under the tests; Swedish (`sv`) catalog added, complete under the tests; scores and estimates unchanged; Brazilian Portuguese (`pt-br`) catalog completed under the tests: menus, `tl!` literals and messages; 12-language score 71% → 74%; #1914) · **Target:** Adobe Illustrator 2026 (30.x)
 
 Per-language status of VectorCraft's interface. How the catalogs work and how to add a language:
 [`development.md` › Localisation](development.md#localisation). Part of
@@ -51,6 +51,7 @@ plus review. Native-speaker review is human work and isn't in the hours.
 | Ukrainian | `uk` | 4,009 / 4,020 (one/few/many plurals) | full |
 | Hungarian | `hu` | 4,524 rows: menus, `tl!` literals and messages complete (tests); one plural form | full |
 | Polish | `pl` | 4,510 rows (counted 2026-10-13): menus, `tl!` literals and messages complete (tests); one/few/many plurals | full; native review pending |
+| Finnish | `fi` | 4,770 rows: menus, `tl!` literals and messages complete (tests); one/other plurals, 668 `@msg` rows | full; AI-assisted, native proofreading pending |
 | Czech | `cs` | 4,411 catalog entries, including 636 `@msg` rows (measured locally 2026-10-11); menu, literal and message coverage enforced by tests | catalog complete; render-site gaps reduced; native review pending |
 | Swedish | `sv` | 4,770 rows, 668 of them `@msg` (counted 2026-10-15): menus, `tl!` literals and messages complete (tests); one/other plurals | full; native review welcome |
 
@@ -81,6 +82,7 @@ font for the web build.
 
 | Date | Change | Summary |
 |---|---|---|
+| 2026-10-16 | minor | Finnish (`fi`) catalog added, complete under the tests (menus, literals, messages; one/other plurals); AI-assisted, native proofreading pending |
 | 2026-10-15 | minor | Swedish (`sv`) catalog added, complete under the tests (menus, literals, messages; one/other plurals); every `sv-*` locale resolves to it; AI-drafted, native review welcome; scores and estimates unchanged |
 | 2026-10-14 | minor | Brazilian Portuguese (`pt-br`, #1914): catalog completed under the tests (menus, literals, messages); 12-language score 71% → 74%, hours 55–90 → 50–85 |
 | 2026-10-13 | minor | The Polish translator confirmed the Polish rows the maintainers had added after the catalog was written (#1614); Tool flyouts are as wide as their longest translated name and shortcut need, so names no longer run into shortcuts in Spanish and other languages (#1650, fixes #1616); scores and estimates unchanged |