[QuickAccent]Add setting to select language (#20798)

* add selection of country langages

* Add Greek and Iceland countries

* Update src/modules/poweraccent/PowerAccent.Core/PowerAccent.Core.csproj

* fix ß in all section

* remove greek

* improve UI

* langage to language

* remove GR reference

* change 'All' to 'All available'

* adding Romanian and Hungarian

* Missing characters

* Add Italian

* Fix translation key
Remove GameMode activation

* Fix PR build issues

* Callback to get if a letter is part of the language

* Add additional dlls to installer

* Fix new dlls signing

* Fix spelling

* Add description to language selection

Co-authored-by: Damien LEROY <dleroy@veepee.com>

.pipelines/ESRPSigning_core.json

@@ -202,9 +202,16 @@
                 "vcruntime140_1_app.dll",
                 "vcruntime140_app.dll",
                 "modules\\PowerAccent\\Vanara.Core.dll",
+                "modules\\PowerAccent\\Vanara.PInvoke.ComCtl32.dll",
+                "modules\\PowerAccent\\Vanara.PInvoke.Cryptography.dll",
                 "modules\\PowerAccent\\Vanara.PInvoke.Gdi32.dll",
                 "modules\\PowerAccent\\Vanara.PInvoke.Kernel32.dll",
+                "modules\\PowerAccent\\Vanara.PInvoke.Ole.dll",
+                "modules\\PowerAccent\\Vanara.PInvoke.Rpc.dll",
+                "modules\\PowerAccent\\Vanara.PInvoke.Security.dll",
                 "modules\\PowerAccent\\Vanara.PInvoke.Shared.dll",
+                "modules\\PowerAccent\\Vanara.PInvoke.Shell32.dll",
+                "modules\\PowerAccent\\Vanara.PInvoke.ShlwApi.dll",
                 "modules\\PowerAccent\\Vanara.PInvoke.User32.dll",
                 "modules\\FileExplorerPreview\\Microsoft.Web.WebView2.Core.dll",
                 "modules\\FileExplorerPreview\\Microsoft.Web.WebView2.WinForms.dll",

installer/PowerToysSetup/Product.wxs

@@ -129,7 +129,7 @@
 
   <?define MeasureToolMicrosoftUIXamlAssetsInstallFiles=NoiseAsset_256x256_PNG.png?>
 
-	<?define PowerAccentFiles=ControlzEx.dll;GongSolutions.WPF.DragDrop.dll;Ijwhost.dll;MahApps.Metro.dll;Microsoft.Xaml.Behaviors.dll;PowerAccent.Core.dll;PowerAccent.deps.json;PowerAccent.dll;PowerAccent.exe;PowerAccent.runtimeconfig.json;PowerToys.PowerAccentModuleInterface.dll;PowerToys.ManagedCommon.dll;PowerToys.ManagedTelemetry.dll;PowerToys.PowerAccent.deps.json;PowerToys.PowerAccent.dll;PowerToys.PowerAccent.exe;PowerToys.PowerAccent.runtimeconfig.json;PowerToys.Settings.UI.Lib.dll;System.IO.Abstractions.dll;System.Management.dll;System.Text.Json.dll;Vanara.Core.dll;Vanara.PInvoke.Gdi32.dll;Vanara.PInvoke.Kernel32.dll;Vanara.PInvoke.Shared.dll;Vanara.PInvoke.User32.dll;PowerToys.PowerAccentKeyboardService.dll;Microsoft.Windows.SDK.NET.dll;WinRT.Runtime.dll?>
+	<?define PowerAccentFiles=ControlzEx.dll;GongSolutions.WPF.DragDrop.dll;Ijwhost.dll;MahApps.Metro.dll;Microsoft.Xaml.Behaviors.dll;PowerAccent.Core.dll;PowerAccent.deps.json;PowerAccent.dll;PowerAccent.exe;PowerAccent.runtimeconfig.json;PowerToys.PowerAccentModuleInterface.dll;PowerToys.ManagedCommon.dll;PowerToys.ManagedTelemetry.dll;PowerToys.PowerAccent.deps.json;PowerToys.PowerAccent.dll;PowerToys.PowerAccent.exe;PowerToys.PowerAccent.runtimeconfig.json;PowerToys.Settings.UI.Lib.dll;System.IO.Abstractions.dll;System.Management.dll;System.Text.Json.dll;Vanara.Core.dll;Vanara.PInvoke.ComCtl32.dll;Vanara.PInvoke.Cryptography.dll;Vanara.PInvoke.Gdi32.dll;Vanara.PInvoke.Kernel32.dll;Vanara.PInvoke.Ole.dll;Vanara.PInvoke.Rpc.dll;Vanara.PInvoke.Security.dll;Vanara.PInvoke.Shared.dll;Vanara.PInvoke.Shell32.dll;Vanara.PInvoke.ShlwApi.dll;Vanara.PInvoke.User32.dll;PowerToys.PowerAccentKeyboardService.dll;Microsoft.Windows.SDK.NET.dll;WinRT.Runtime.dll?>
 
   <Product Id="*"
        Name="PowerToys (Preview)"

src/modules/poweraccent/PowerAccent.Core/Languages.cs

@@ -0,0 +1,501 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+namespace PowerAccent.Core
+{
+    using System;
+    using PowerToys.PowerAccentKeyboardService;
+
+    public enum Language
+    {
+        ALL,
+        CUR,
+        CZ,
+        DE,
+        FR,
+        HU,
+        IS,
+        IT,
+        MI,
+        PI,
+        PL,
+        RO,
+        SK,
+        SP,
+        TK,
+    }
+
+    internal class Languages
+    {
+        public static char[] GetDefaultLetterKey(LetterKey letter, Language lang)
+        {
+            switch (lang)
+            {
+                case Language.ALL: return GetDefaultLetterKeyALL(letter); // ALL
+                case Language.CUR: return GetDefaultLetterKeyCUR(letter); // Currency
+                case Language.CZ: return GetDefaultLetterKeyCZ(letter); // Czech
+                case Language.DE: return GetDefaultLetterKeyDE(letter); // German
+                case Language.FR: return GetDefaultLetterKeyFR(letter); // French
+                case Language.HU: return GetDefaultLetterKeyHU(letter); // Hungarian
+                case Language.IS: return GetDefaultLetterKeyIS(letter); // Iceland
+                case Language.IT: return GetDefaultLetterKeyIT(letter); // Italian
+                case Language.MI: return GetDefaultLetterKeyMI(letter); // Maori
+                case Language.PI: return GetDefaultLetterKeyPI(letter); // Pinyin
+                case Language.PL: return GetDefaultLetterKeyPL(letter); // Polish
+                case Language.RO: return GetDefaultLetterKeyRO(letter); // Romanian
+                case Language.SK: return GetDefaultLetterKeySK(letter); // Slovak
+                case Language.SP: return GetDefaultLetterKeySP(letter); // Spain
+                case Language.TK: return GetDefaultLetterKeyTK(letter); // Turkish
+            }
+
+            throw new ArgumentException("The language {0} is not know in this context", lang.ToString());
+        }
+
+        // All
+        private static char[] GetDefaultLetterKeyALL(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_0:
+                    return new char[] { '₀', '⁰' };
+                case LetterKey.VK_1:
+                    return new char[] { '₁', '¹' };
+                case LetterKey.VK_2:
+                    return new char[] { '₂', '²' };
+                case LetterKey.VK_3:
+                    return new char[] { '₃', '³' };
+                case LetterKey.VK_4:
+                    return new char[] { '₄', '⁴' };
+                case LetterKey.VK_5:
+                    return new char[] { '₅', '⁵' };
+                case LetterKey.VK_6:
+                    return new char[] { '₆', '⁶' };
+                case LetterKey.VK_7:
+                    return new char[] { '₇', '⁷' };
+                case LetterKey.VK_8:
+                    return new char[] { '₈', '⁸' };
+                case LetterKey.VK_9:
+                    return new char[] { '₉', '⁹' };
+                case LetterKey.VK_A:
+                    return new char[] { 'á', 'à', 'ä', 'â', 'ă', 'å', 'α', 'ā', 'ą', 'ȧ', 'ã', 'æ' };
+                case LetterKey.VK_B:
+                    return new char[] { 'ḃ', 'β' };
+                case LetterKey.VK_C:
+                    return new char[] { 'ç', 'ć', 'ĉ', 'č', 'ċ', '¢', 'χ' };
+                case LetterKey.VK_D:
+                    return new char[] { 'ď', 'ḋ', 'đ', 'δ', 'ð' };
+                case LetterKey.VK_E:
+                    return new char[] { 'é', 'è', 'ê', 'ë', 'ě', 'ē', 'ę', 'ė', 'ε', 'η', '€' };
+                case LetterKey.VK_F:
+                    return new char[] { 'ƒ', 'ḟ' };
+                case LetterKey.VK_G:
+                    return new char[] { 'ğ', 'ģ', 'ǧ', 'ġ', 'ĝ', 'ǥ', 'γ' };
+                case LetterKey.VK_H:
+                    return new char[] { 'ḣ', 'ĥ', 'ħ' };
+                case LetterKey.VK_I:
+                    return new char[] { 'ï', 'î', 'í', 'ì', 'ī', 'į', 'i', 'ı', 'İ', 'ι' };
+                case LetterKey.VK_J:
+                    return new char[] { 'ĵ' };
+                case LetterKey.VK_K:
+                    return new char[] { 'ķ', 'ǩ', 'κ' };
+                case LetterKey.VK_L:
+                    return new char[] { 'ĺ', 'ľ', 'ļ', 'ł', '₺', 'λ' };
+                case LetterKey.VK_M:
+                    return new char[] { 'ṁ' };
+                case LetterKey.VK_N:
+                    return new char[] { 'ñ', 'ń', 'ŋ', 'ň', 'ņ', 'ṅ', 'ⁿ', 'ν' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ô', 'ó', 'ö', 'ő', 'ò', 'ō', 'ȯ', 'ø', 'õ', 'œ', 'ω' };
+                case LetterKey.VK_P:
+                    return new char[] { 'ṗ', '₽', 'π', 'φ', 'ψ' };
+                case LetterKey.VK_R:
+                    return new char[] { 'ŕ', 'ř', 'ṙ', '₹', 'ρ' };
+                case LetterKey.VK_S:
+                    return new char[] { 'ś', 'ş', 'š', 'ș', 'ṡ', 'ŝ', 'ß', 'σ', '$' };
+                case LetterKey.VK_T:
+                    return new char[] { 'ţ', 'ť', 'ț', 'ṫ', 'ŧ', 'θ', 'τ' };
+                case LetterKey.VK_U:
+                    return new char[] { 'û', 'ú', 'ü', 'ŭ', 'ű', 'ù', 'ů', 'ū', 'ų' };
+                case LetterKey.VK_W:
+                    return new char[] { 'ẇ', 'ŵ', '₩' };
+                case LetterKey.VK_X:
+                    return new char[] { 'ẋ', 'ξ' };
+                case LetterKey.VK_Y:
+                    return new char[] { 'ÿ', 'ŷ', 'ý', 'ẏ' };
+                case LetterKey.VK_Z:
+                    return new char[] { 'ź', 'ž', 'ż', 'ʒ', 'ǯ', 'ζ' };
+                case LetterKey.VK_COMMA:
+                    return new char[] { '¿', '¡', '∙', '₋', '⁻', '–', '≤', '≥', '≠', '≈', '≙', '±', '₊', '⁺', 'þ' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Currencies (source: https://www.eurochange.co.uk/travel-money/world-currency-abbreviations-symbols-and-codes-travel-money)
+        private static char[] GetDefaultLetterKeyCUR(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_B:
+                    return new char[] { '฿', 'в' };
+                case LetterKey.VK_C:
+                    return new char[] { '¢', '₡', 'č' };
+                case LetterKey.VK_D:
+                    return new char[] { '₫' };
+                case LetterKey.VK_E:
+                    return new char[] { '€' };
+                case LetterKey.VK_F:
+                    return new char[] { 'ƒ' };
+                case LetterKey.VK_H:
+                    return new char[] { '₴' };
+                case LetterKey.VK_K:
+                    return new char[] { '₭' };
+                case LetterKey.VK_L:
+                    return new char[] { 'ł' };
+                case LetterKey.VK_N:
+                    return new char[] { 'л' };
+                case LetterKey.VK_M:
+                    return new char[] { '₼' };
+                case LetterKey.VK_P:
+                    return new char[] { '£', '₽' };
+                case LetterKey.VK_R:
+                    return new char[] { '₹', '៛', '﷼' };
+                case LetterKey.VK_S:
+                    return new char[] { '$', '₪' };
+                case LetterKey.VK_T:
+                    return new char[] { '₮', '₺' };
+                case LetterKey.VK_W:
+                    return new char[] { '₩' };
+                case LetterKey.VK_Y:
+                    return new char[] { '¥' };
+                case LetterKey.VK_Z:
+                    return new char[] { 'z' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // French
+        private static char[] GetDefaultLetterKeyFR(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'à', 'â', 'á', 'ä', 'ã', 'æ' };
+                case LetterKey.VK_C:
+                    return new char[] { 'ç' };
+                case LetterKey.VK_E:
+                    return new char[] { 'é', 'è', 'ê', 'ë', '€' };
+                case LetterKey.VK_I:
+                    return new char[] { 'î', 'ï', 'í', 'ì' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ô', 'ö', 'ó', 'ò', 'õ', 'œ' };
+                case LetterKey.VK_U:
+                    return new char[] { 'û', 'ù', 'ü', 'ú' };
+                case LetterKey.VK_Y:
+                    return new char[] { 'ÿ', 'ý' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Iceland
+        private static char[] GetDefaultLetterKeyIS(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'á', 'æ' };
+                case LetterKey.VK_D:
+                    return new char[] { 'ð' };
+                case LetterKey.VK_E:
+                    return new char[] { 'é' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ó', 'ö' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ú' };
+                case LetterKey.VK_Y:
+                    return new char[] { 'ý' };
+                case LetterKey.VK_COMMA:
+                    return new char[] { 'þ' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Spain
+        private static char[] GetDefaultLetterKeySP(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'á' };
+                case LetterKey.VK_E:
+                    return new char[] { 'é', '€' };
+                case LetterKey.VK_I:
+                    return new char[] { 'í' };
+                case LetterKey.VK_N:
+                    return new char[] { 'ñ' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ó' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ú', 'ü' };
+                case LetterKey.VK_COMMA:
+                    return new char[] { '¿', '?' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Maori
+        private static char[] GetDefaultLetterKeyMI(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'ā' };
+                case LetterKey.VK_E:
+                    return new char[] { 'ē' };
+                case LetterKey.VK_I:
+                    return new char[] { 'ī' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ō' };
+                case LetterKey.VK_S:
+                    return new char[] { '$' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ū' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Pinyin
+        private static char[] GetDefaultLetterKeyPI(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'ā', 'á', 'ǎ', 'à', 'a' };
+                case LetterKey.VK_E:
+                    return new char[] { 'ē', 'é', 'ě', 'è', 'e' };
+                case LetterKey.VK_I:
+                    return new char[] { 'ī', 'í', 'ǐ', 'ì', 'i' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ō', 'ó', 'ǒ', 'ò', 'o' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ū', 'ú', 'ǔ', 'ù', 'u' };
+                case LetterKey.VK_V:
+                    return new char[] { 'ǖ', 'ǘ', 'ǚ', 'ǜ', 'ü' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Turkish
+        private static char[] GetDefaultLetterKeyTK(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'â' };
+                case LetterKey.VK_C:
+                    return new char[] { 'ç' };
+                case LetterKey.VK_E:
+                    return new char[] { 'ë', '€' };
+                case LetterKey.VK_G:
+                    return new char[] { 'ğ' };
+                case LetterKey.VK_I:
+                    return new char[] { 'ı', 'İ', 'î', };
+                case LetterKey.VK_O:
+                    return new char[] { 'ö', 'ô' };
+                case LetterKey.VK_S:
+                    return new char[] { 'ş' };
+                case LetterKey.VK_T:
+                    return new char[] { '₺' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ü', 'û' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Polish
+        private static char[] GetDefaultLetterKeyPL(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'ą' };
+                case LetterKey.VK_C:
+                    return new char[] { 'ć' };
+                case LetterKey.VK_E:
+                    return new char[] { 'ę', '€' };
+                case LetterKey.VK_L:
+                    return new char[] { 'ł' };
+                case LetterKey.VK_N:
+                    return new char[] { 'ń' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ó' };
+                case LetterKey.VK_S:
+                    return new char[] { 'ś' };
+                case LetterKey.VK_Z:
+                    return new char[] { 'ż', 'ź' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Slovak
+        private static char[] GetDefaultLetterKeySK(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'á', 'ä' };
+                case LetterKey.VK_C:
+                    return new char[] { 'č' };
+                case LetterKey.VK_D:
+                    return new char[] { 'ď' };
+                case LetterKey.VK_E:
+                    return new char[] { 'é', '€' };
+                case LetterKey.VK_I:
+                    return new char[] { 'í' };
+                case LetterKey.VK_L:
+                    return new char[] { 'ľ', 'ĺ' };
+                case LetterKey.VK_N:
+                    return new char[] { 'ň' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ó', 'ô' };
+                case LetterKey.VK_R:
+                    return new char[] { 'ŕ' };
+                case LetterKey.VK_S:
+                    return new char[] { 'š' };
+                case LetterKey.VK_T:
+                    return new char[] { 'ť' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ú' };
+                case LetterKey.VK_Y:
+                    return new char[] { 'ý' };
+                case LetterKey.VK_Z:
+                    return new char[] { 'ž' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Czech
+        private static char[] GetDefaultLetterKeyCZ(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'á' };
+                case LetterKey.VK_C:
+                    return new char[] { 'č' };
+                case LetterKey.VK_D:
+                    return new char[] { 'ď' };
+                case LetterKey.VK_E:
+                    return new char[] { 'ě', 'é' };
+                case LetterKey.VK_I:
+                    return new char[] { 'í' };
+                case LetterKey.VK_N:
+                    return new char[] { 'ň' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ó' };
+                case LetterKey.VK_R:
+                    return new char[] { 'ř' };
+                case LetterKey.VK_S:
+                    return new char[] { 'š' };
+                case LetterKey.VK_T:
+                    return new char[] { 'ť' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ů', 'ú' };
+                case LetterKey.VK_Y:
+                    return new char[] { 'ý' };
+                case LetterKey.VK_Z:
+                    return new char[] { 'ž' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // German
+        private static char[] GetDefaultLetterKeyDE(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'ä' };
+                case LetterKey.VK_E:
+                    return new char[] { '€' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ö' };
+                case LetterKey.VK_S:
+                    return new char[] { 'ß' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ü' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Hungarian
+        private static char[] GetDefaultLetterKeyHU(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'á' };
+                case LetterKey.VK_E:
+                    return new char[] { 'é' };
+                case LetterKey.VK_I:
+                    return new char[] { 'í' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ó', 'ő', 'ö' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ú', 'ű', 'ü' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Romanian
+        private static char[] GetDefaultLetterKeyRO(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'ă', 'â' };
+                case LetterKey.VK_I:
+                    return new char[] { 'î' };
+                case LetterKey.VK_S:
+                    return new char[] { 'ș' };
+                case LetterKey.VK_T:
+                    return new char[] { 'ț' };
+            }
+
+            return Array.Empty<char>();
+        }
+
+        // Italian
+        private static char[] GetDefaultLetterKeyIT(LetterKey letter)
+        {
+            switch (letter)
+            {
+                case LetterKey.VK_A:
+                    return new char[] { 'à' };
+                case LetterKey.VK_E:
+                    return new char[] { 'è', 'é', '€' };
+                case LetterKey.VK_I:
+                    return new char[] { 'ì', 'í' };
+                case LetterKey.VK_O:
+                    return new char[] { 'ò', 'ó' };
+                case LetterKey.VK_U:
+                    return new char[] { 'ù', 'ú' };
+            }
+
+            return Array.Empty<char>();
+        }
+    }
+}

src/modules/poweraccent/PowerAccent.Core/PowerAccent.Core.csproj

@@ -18,6 +18,7 @@
         <PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.0.0" />
         <PackageReference Include="System.Configuration.ConfigurationManager" Version="6.0.0" />
         <PackageReference Include="Vanara.PInvoke.User32" Version="3.3.15" />
+	<PackageReference Include="Vanara.PInvoke.Shell32" Version="3.3.15" />
 </ItemGroup>
 
     <ItemGroup>

src/modules/poweraccent/PowerAccent.Core/PowerAccent.cs

@@ -57,12 +57,17 @@ public class PowerAccent : IDisposable
                 ProcessNextChar(triggerKey);
             });
         }));
+
+        _keyboardListener.SetIsLanguageLetterDelegate(new PowerToys.PowerAccentKeyboardService.IsLanguageLetter((LetterKey letterKey, out bool result) =>
+        {
+            result = Languages.GetDefaultLetterKey(letterKey, _settingService.SelectedLang).Length > 0;
+        }));
     }
 
     private void ShowToolbar(LetterKey letterKey)
     {
         _visible = true;
-        _characters = (WindowsFunctions.IsCapsLockState() || WindowsFunctions.IsShiftState()) ? ToUpper(SettingsService.GetDefaultLetterKey(letterKey)) : SettingsService.GetDefaultLetterKey(letterKey);
+        _characters = (WindowsFunctions.IsCapsLockState() || WindowsFunctions.IsShiftState()) ? ToUpper(Languages.GetDefaultLetterKey(letterKey, _settingService.SelectedLang)) : Languages.GetDefaultLetterKey(letterKey, _settingService.SelectedLang);
         Task.Delay(_settingService.InputTime).ContinueWith(
             t =>
             {

src/modules/poweraccent/PowerAccent.Core/Services/SettingsService.cs

@@ -55,6 +55,9 @@ public class SettingsService
 
                         InputTime = settings.Properties.InputTime.Value;
                         _keyboardListener.UpdateInputTime(InputTime);
+
+                        SelectedLang = Enum.TryParse(settings.Properties.SelectedLang.Value, out Language selectedLangValue) ? selectedLangValue : Language.ALL;
+
                         switch (settings.Properties.ToolbarPosition.Value)
                         {
                             case "Top center":
@@ -85,8 +88,6 @@ public class SettingsService
                                 Position = Position.Center;
                                 break;
                         }
-
-                        _keyboardListener.UpdateInputTime(InputTime);
                     }
                 }
                 catch (Exception ex)
@@ -142,31 +143,19 @@ public class SettingsService
         }
     }
 
-    public static char[] GetDefaultLetterKey(LetterKey letter)
+    private Language _selectedLang;
+
+    public Language SelectedLang
     {
-        switch (letter)
+        get
         {
-            case LetterKey.VK_A:
+            return _selectedLang;
-                return new char[] { 'à', 'â', 'á', 'ä', 'ã', 'å', 'æ' };
-            case LetterKey.VK_C:
-                return new char[] { 'ć', 'ĉ', 'č', 'ċ', 'ç', 'ḉ' };
-            case LetterKey.VK_E:
-                return new char[] { 'é', 'è', 'ê', 'ë', 'ē', 'ė', '€' };
-            case LetterKey.VK_I:
-                return new char[] { 'î', 'ï', 'í', 'ì', 'ī' };
-            case LetterKey.VK_N:
-                return new char[] { 'ñ', 'ń' };
-            case LetterKey.VK_O:
-                return new char[] { 'ô', 'ö', 'ó', 'ò', 'õ', 'ø', 'œ' };
-            case LetterKey.VK_S:
-                return new char[] { 'š', 'ß', 'ś' };
-            case LetterKey.VK_U:
-                return new char[] { 'û', 'ù', 'ü', 'ú', 'ū' };
-            case LetterKey.VK_Y:
-                return new char[] { 'ÿ', 'ý' };
         }
 
-        throw new ArgumentException("Letter {0} is missing", letter.ToString());
+        set
+        {
+            _selectedLang = value;
+        }
     }
 }
 

src/modules/poweraccent/PowerAccentKeyboardService/KeyboardListener.cpp

@@ -68,6 +68,15 @@ namespace winrt::PowerToys::PowerAccentKeyboardService::implementation
         };
     }
 
+    void KeyboardListener::SetIsLanguageLetterDelegate(IsLanguageLetter isLanguageLetterDelegate)
+    {
+        m_isLanguageLetterCb = [trigger = std::move(isLanguageLetterDelegate)](LetterKey key) {
+            bool result;
+            trigger(key, result);
+            return result;
+        };
+    }
+
     void KeyboardListener::UpdateActivationKey(int32_t activationKey)
     {
         m_settings.activationKey = static_cast<PowerAccentActivationKey>(activationKey);
@@ -80,7 +89,7 @@ namespace winrt::PowerToys::PowerAccentKeyboardService::implementation
 
     bool KeyboardListener::OnKeyDown(KBDLLHOOKSTRUCT info) noexcept
     {
-        if (std::find(std::begin(letters), end(letters), static_cast<LetterKey>(info.vkCode)) != end(letters))
+        if (std::find(std::begin(letters), end(letters), static_cast<LetterKey>(info.vkCode)) != end(letters) && m_isLanguageLetterCb(static_cast<LetterKey>(info.vkCode)))
         {
             m_stopwatch.reset();
             letterPressed = static_cast<LetterKey>(info.vkCode);
@@ -139,7 +148,7 @@ namespace winrt::PowerToys::PowerAccentKeyboardService::implementation
 
     bool KeyboardListener::OnKeyUp(KBDLLHOOKSTRUCT info) noexcept
     {
-        if (std::find(std::begin(letters), end(letters), static_cast<LetterKey>(info.vkCode)) != end(letters))
+        if (std::find(std::begin(letters), end(letters), static_cast<LetterKey>(info.vkCode)) != end(letters) && m_isLanguageLetterCb(static_cast<LetterKey>(info.vkCode)))
         {
             letterPressed = LetterKey::None;
 

src/modules/poweraccent/PowerAccentKeyboardService/KeyboardListener.h

@@ -32,6 +32,7 @@ namespace winrt::PowerToys::PowerAccentKeyboardService::implementation
         void SetShowToolbarEvent(ShowToolbar showToolbarEvent);
         void SetHideToolbarEvent(HideToolbar hideToolbarEvent);
         void SetNextCharEvent(NextChar NextCharEvent);
+        void SetIsLanguageLetterDelegate(IsLanguageLetter IsLanguageLetterDelegate);
 
         void UpdateActivationKey(int32_t activationKey);
         void UpdateInputTime(int32_t inputTime);
@@ -49,18 +50,47 @@ namespace winrt::PowerToys::PowerAccentKeyboardService::implementation
         std::function<void(LetterKey)> m_showToolbarCb;
         std::function<void(InputType)> m_hideToolbarCb;
         std::function<void(TriggerKey)> m_nextCharCb;
+        std::function<bool(LetterKey)> m_isLanguageLetterCb;
         bool m_triggeredWithSpace;
         spdlog::stopwatch m_stopwatch;
 
-        static inline const std::vector<LetterKey> letters = { LetterKey::VK_A,
+        static inline const std::vector<LetterKey> letters = { LetterKey::VK_0,
+                                                               LetterKey::VK_1,
+                                                               LetterKey::VK_2,
+                                                               LetterKey::VK_3,
+                                                               LetterKey::VK_4,
+                                                               LetterKey::VK_5,
+                                                               LetterKey::VK_6,
+                                                               LetterKey::VK_7,
+                                                               LetterKey::VK_8,
+                                                               LetterKey::VK_9,
+                                                               LetterKey::VK_A,
+                                                               LetterKey::VK_B,
                                                                LetterKey::VK_C,
+                                                               LetterKey::VK_D,
                                                                LetterKey::VK_E,
+                                                               LetterKey::VK_F,
+                                                               LetterKey::VK_G,
+                                                               LetterKey::VK_H,
                                                                LetterKey::VK_I,
+                                                               LetterKey::VK_J,
+                                                               LetterKey::VK_K,
+                                                               LetterKey::VK_L,
+                                                               LetterKey::VK_M,
                                                                LetterKey::VK_N,
                                                                LetterKey::VK_O,
+                                                               LetterKey::VK_P,
+                                                               LetterKey::VK_Q,
+                                                               LetterKey::VK_R,
                                                                LetterKey::VK_S,
+                                                               LetterKey::VK_T,
                                                                LetterKey::VK_U,
-                                                            LetterKey::VK_Y };
+                                                               LetterKey::VK_V,
+                                                               LetterKey::VK_W,
+                                                               LetterKey::VK_X,
+                                                               LetterKey::VK_Y,
+                                                               LetterKey::VK_Z,
+                                                               LetterKey::VK_COMMA };
         LetterKey letterPressed{};
 
         static inline const std::vector<TriggerKey> triggers = { TriggerKey::Right, TriggerKey::Left, TriggerKey::Space };

src/modules/poweraccent/PowerAccentKeyboardService/KeyboardListener.idl

@@ -5,15 +5,43 @@ namespace PowerToys
         enum LetterKey
         {
             None = 0x00,
+            VK_0 = 0x30,
+            VK_1 = 0x31,
+            VK_2 = 0x32,
+            VK_3 = 0x33,
+            VK_4 = 0x34,
+            VK_5 = 0x35,
+            VK_6 = 0x36,
+            VK_7 = 0x37,
+            VK_8 = 0x38,
+            VK_9 = 0x39,
             VK_A = 0x41,
+            VK_B = 0x42,
             VK_C = 0x43,
+            VK_D = 0x44,
             VK_E = 0x45,
+            VK_F = 0x46,
+            VK_G = 0x47,
+            VK_H = 0x48,
             VK_I = 0x49,
+            VK_J = 0x4A,
+            VK_K = 0x4B,
+            VK_L = 0x4C,
+            VK_M = 0x4D,
             VK_N = 0x4E,
             VK_O = 0x4F,
+            VK_P = 0x50,
+            VK_Q = 0x51,
+            VK_R = 0x52,
             VK_S = 0x53,
+            VK_T = 0x54,
             VK_U = 0x55,
-            VK_Y = 0x59
+            VK_V = 0x56,
+            VK_W = 0x57,
+            VK_X = 0x58,
+            VK_Y = 0x59,
+            VK_Z = 0x5A,
+            VK_COMMA = 0xBC
         };
 
         enum TriggerKey
@@ -33,6 +61,7 @@ namespace PowerToys
         [version(1.0), uuid(37197089-5438-4479-af57-30ab3f3c8be4)] delegate void ShowToolbar(LetterKey key);
         [version(1.0), uuid(8eb79d6b-1826-424f-9fbc-af21ae19725e)] delegate void HideToolbar(InputType inputType);
         [version(1.0), uuid(db72d45c-a5a2-446f-bdc1-506e9121764a)] delegate void NextChar(TriggerKey inputSpace);
+        [version(1.0), uuid(20be2919-2b91-4313-b6e0-4c3484fe91ef)] delegate void IsLanguageLetter(LetterKey key, [out] boolean* result);
 
         [default_interface] runtimeclass KeyboardListener {
             KeyboardListener();
@@ -41,6 +70,7 @@ namespace PowerToys
             void SetShowToolbarEvent(event ShowToolbar showToolbarEvent);
             void SetHideToolbarEvent(event HideToolbar hideToolbarEvent);
             void SetNextCharEvent(event NextChar nextCharEvent);
+            void SetIsLanguageLetterDelegate(IsLanguageLetter isLanguageLetterDelegate);
             void UpdateActivationKey(Int32 activationKey);
             void UpdateInputTime(Int32 inputTime);
         }

src/settings-ui/Settings.UI.Library/PowerAccentProperties.cs

@@ -18,11 +18,15 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         [JsonPropertyName("input_time_ms")]
         public IntProperty InputTime { get; set; }
 
+        [JsonPropertyName("selected_lang")]
+        public StringProperty SelectedLang { get; set; }
+
         public PowerAccentProperties()
         {
             ActivationKey = PowerAccentActivationKey.Both;
             ToolbarPosition = "Top center";
             InputTime = new IntProperty(200);
+            SelectedLang = "ALL";
         }
     }
 }

src/settings-ui/Settings.UI.Library/ViewModels/PowerAccentViewModel.cs

@@ -74,6 +74,55 @@ namespace Microsoft.PowerToys.Settings.UI.Library.ViewModels
                     break;
             }
 
+            switch (_powerAccentSettings.Properties.SelectedLang.Value)
+            {
+                case "ALL":
+                    _selectedLangIndex = 0;
+                    break;
+                case "CUR":
+                    _selectedLangIndex = 1;
+                    break;
+                case "CZ":
+                    _selectedLangIndex = 2;
+                    break;
+                case "DE":
+                    _selectedLangIndex = 3;
+                    break;
+                case "FR":
+                    _selectedLangIndex = 4;
+                    break;
+                case "HU":
+                    _selectedLangIndex = 5;
+                    break;
+                case "IS":
+                    _selectedLangIndex = 6;
+                    break;
+                case "IT":
+                    _selectedLangIndex = 7;
+                    break;
+                case "MI":
+                    _selectedLangIndex = 8;
+                    break;
+                case "PI":
+                    _selectedLangIndex = 9;
+                    break;
+                case "PL":
+                    _selectedLangIndex = 10;
+                    break;
+                case "RO":
+                    _selectedLangIndex = 11;
+                    break;
+                case "SK":
+                    _selectedLangIndex = 12;
+                    break;
+                case "SP":
+                    _selectedLangIndex = 13;
+                    break;
+                case "TK":
+                    _selectedLangIndex = 14;
+                    break;
+            }
+
             // set the callback functions value to hangle outgoing IPC message.
             SendConfigMSG = ipcMSGCallBackFunc;
         }
@@ -192,6 +241,74 @@ namespace Microsoft.PowerToys.Settings.UI.Library.ViewModels
             }
         }
 
+        private int _selectedLangIndex;
+
+        public int SelectedLangIndex
+        {
+            get
+            {
+                return _selectedLangIndex;
+            }
+
+            set
+            {
+                if (_selectedLangIndex != value)
+                {
+                    _selectedLangIndex = value;
+                    switch (_selectedLangIndex)
+                    {
+                        case 0:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "ALL";
+                            break;
+                        case 1:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "CUR";
+                            break;
+                        case 2:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "CZ";
+                            break;
+                        case 3:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "DE";
+                            break;
+                        case 4:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "FR";
+                            break;
+                        case 5:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "HU";
+                            break;
+                        case 6:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "IS";
+                            break;
+                        case 7:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "IT";
+                            break;
+                        case 8:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "MI";
+                            break;
+                        case 9:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "PI";
+                            break;
+                        case 10:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "PL";
+                            break;
+                        case 11:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "RO";
+                            break;
+                        case 12:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "SK";
+                            break;
+                        case 13:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "SP";
+                            break;
+                        case 14:
+                            _powerAccentSettings.Properties.SelectedLang.Value = "TK";
+                            break;
+                    }
+
+                    RaisePropertyChanged(nameof(SelectedLangIndex));
+                }
+            }
+        }
+
         private void RaisePropertyChanged([CallerMemberName] string propertyName = null)
         {
             // Notify UI of property change

src/settings-ui/Settings.UI/Strings/en-us/Resources.resw

@@ -2350,7 +2350,8 @@ Activate by holding the key for the character you want to add an accent to, then
   <data name="QuickAccent_InputTimeMs.Description" xml:space="preserve">
     <value>Hold the key down for this much time to make the accent menu appear (ms)</value>
     <comment>ms = milliseconds</comment>
-  </data>  <data name="LearnMore_TextExtractor.Text" xml:space="preserve">
+  </data>
+  <data name="LearnMore_TextExtractor.Text" xml:space="preserve">
     <value>Learn more about Text Extractor</value>
   </data>
   <data name="TextExtractor.ModuleDescription" xml:space="preserve">
@@ -2399,4 +2400,61 @@ Activate by holding the key for the character you want to add an accent to, then
     <value>The continuous capture mode will consume more resources when in use. Also, measurements will be excluded from screenshots and screen capture.</value>
     <comment>pointer as in mouse pointer. Resources refer to things like CPU, GPU, RAM</comment>
   </data>
+  <data name="QuickAccent_DisableFullscreen.Header" xml:space="preserve">
+    <value>Disable when Game Mode is On</value>
+  </data>
+  <data name="QuickAccent_Language.Header" xml:space="preserve">
+    <value>Language</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage.Header" xml:space="preserve">
+    <value>Choose language</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage.Description" xml:space="preserve">
+    <value>Show only accented characters common to the selected language</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_All.Content" xml:space="preserve">
+    <value>All available</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Currency.Content" xml:space="preserve">
+    <value>Currency</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Czech.Content" xml:space="preserve">
+    <value>Czech</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Dutch.Content" xml:space="preserve">
+    <value>Dutch</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_French.Content" xml:space="preserve">
+    <value>French</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Maori.Content" xml:space="preserve">
+    <value>Maori</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Pinyin.Content" xml:space="preserve">
+    <value>Pinyin</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Polish.Content" xml:space="preserve">
+    <value>Polish</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Slovakian.Content" xml:space="preserve">
+    <value>Slovakian</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Spanish.Content" xml:space="preserve">
+    <value>Spanish</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Turkish.Content" xml:space="preserve">
+    <value>Turkish</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Icelandic.Content" xml:space="preserve">
+    <value>Icelandic</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Romanian.Content" xml:space="preserve">
+    <value>Romanian</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Hungarian.Content" xml:space="preserve">
+    <value>Hungarian</value>
+  </data>
+  <data name="QuickAccent_SelectedLanguage_Italian.Content" xml:space="preserve">
+    <value>Italian</value>
+  </data>
 </root>

src/settings-ui/Settings.UI/Views/PowerAccentPage.xaml

@@ -36,6 +36,31 @@
                     </controls:Setting>
                 </controls:SettingsGroup>
 
+                <controls:SettingsGroup x:Uid="QuickAccent_Language" IsEnabled="{Binding Mode=OneWay, Path=IsEnabled}">
+                    <controls:Setting x:Uid="QuickAccent_SelectedLanguage" Icon="&#xF2B7;">
+                        <controls:Setting.ActionContent>
+                            <ComboBox MinWidth="{StaticResource SettingActionControlMinWidth}"
+                                      SelectedIndex="{x:Bind Path=ViewModel.SelectedLangIndex, Mode=TwoWay}" >
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_All"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Currency"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Czech"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Dutch"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_French"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Hungarian"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Icelandic"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Italian"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Maori"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Pinyin"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Polish"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Romanian"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Slovakian"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Spanish"/>
+                                <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Turkish"/>
+                            </ComboBox>
+                        </controls:Setting.ActionContent>
+                    </controls:Setting>
+                </controls:SettingsGroup>
+
                 <controls:SettingsGroup x:Uid="QuickAccent_Toolbar" IsEnabled="{Binding Mode=OneWay, Path=IsEnabled}">
                     <controls:Setting x:Uid="QuickAccent_ToolbarPosition" Icon="&#xEC12;">
                         <controls:Setting.ActionContent>
@@ -54,6 +79,7 @@
                         </controls:Setting.ActionContent>
                     </controls:Setting>
                 </controls:SettingsGroup>
+                
                 <controls:SettingsGroup x:Uid="QuickAccent_Behavior" IsEnabled="{Binding Mode=OneWay, Path=IsEnabled}">
                     <controls:Setting x:Uid="QuickAccent_InputTimeMs" Icon="&#xE916;">
                         <controls:Setting.ActionContent>