From 12cbacffca7b04a7f377e8fdf09ce78445351913 Mon Sep 17 00:00:00 2001
From: Isaac Marovitz <42140194+IsaacMarovitz@users.noreply.github.com>
Date: Fri, 1 Sep 2023 19:08:42 +0100
Subject: [PATCH] Fix numeric SWKB validation (#5627)

* Fix numeric swkbd validation

* GTK
---
 src/Ryujinx.Ava/Assets/Locales/en_US.json       |  2 +-
 .../UI/Applet/SwkbdAppletDialog.axaml.cs        |  6 +++---
 .../Applets/SoftwareKeyboard/KeyboardMode.cs    |  4 ++--
 .../NumericCharacterValidation.cs               | 17 +++++++++++++++++
 src/Ryujinx/Ui/Applet/SwkbdAppletDialog.cs      |  6 +++---
 5 files changed, 26 insertions(+), 9 deletions(-)
 create mode 100644 src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/NumericCharacterValidation.cs

diff --git a/src/Ryujinx.Ava/Assets/Locales/en_US.json b/src/Ryujinx.Ava/Assets/Locales/en_US.json
index efd3187ad..35a69b8f5 100644
--- a/src/Ryujinx.Ava/Assets/Locales/en_US.json
+++ b/src/Ryujinx.Ava/Assets/Locales/en_US.json
@@ -544,7 +544,7 @@
   "SwkbdMinCharacters": "Must be at least {0} characters long",
   "SwkbdMinRangeCharacters": "Must be {0}-{1} characters long",
   "SoftwareKeyboard": "Software Keyboard",
-  "SoftwareKeyboardModeNumbersOnly": "Must be numbers only",
+  "SoftwareKeyboardModeNumeric": "Must be 0-9 or '.' only",
   "SoftwareKeyboardModeAlphabet": "Must be non CJK-characters only",
   "SoftwareKeyboardModeASCII": "Must be ASCII text only",
   "DialogControllerAppletMessagePlayerRange": "Application requests {0} player(s) with:\n\nTYPES: {1}\n\nPLAYERS: {2}\n\n{3}Please open Settings and reconfigure Input now or press Close.",
diff --git a/src/Ryujinx.Ava/UI/Applet/SwkbdAppletDialog.axaml.cs b/src/Ryujinx.Ava/UI/Applet/SwkbdAppletDialog.axaml.cs
index 210fc9a2b..5a4cd855f 100644
--- a/src/Ryujinx.Ava/UI/Applet/SwkbdAppletDialog.axaml.cs
+++ b/src/Ryujinx.Ava/UI/Applet/SwkbdAppletDialog.axaml.cs
@@ -136,10 +136,10 @@ namespace Ryujinx.Ava.UI.Controls
             string localeText;
             switch (mode)
             {
-                case KeyboardMode.NumbersOnly:
-                    localeText = LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.SoftwareKeyboardModeNumbersOnly);
+                case KeyboardMode.Numeric:
+                    localeText = LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.SoftwareKeyboardModeNumeric);
                     validationInfoText = string.IsNullOrEmpty(validationInfoText) ? localeText : string.Join("\n", validationInfoText, localeText);
-                    _checkInput = text => text.All(char.IsDigit);
+                    _checkInput = text => text.All(NumericCharacterValidation.IsNumeric);
                     break;
                 case KeyboardMode.Alphabet:
                     localeText = LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.SoftwareKeyboardModeAlphabet);
diff --git a/src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/KeyboardMode.cs b/src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/KeyboardMode.cs
index 917e1f9e1..c2dfc31a3 100644
--- a/src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/KeyboardMode.cs
+++ b/src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/KeyboardMode.cs
@@ -11,9 +11,9 @@
         Default = 0,
 
         /// <summary>
-        /// Only numbers allowed.
+        /// Only 0-9 or '.' allowed.
         /// </summary>
-        NumbersOnly = 1,
+        Numeric = 1,
 
         /// <summary>
         /// Only ASCII characters allowed.
diff --git a/src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/NumericCharacterValidation.cs b/src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/NumericCharacterValidation.cs
new file mode 100644
index 000000000..d72b68eae
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/NumericCharacterValidation.cs
@@ -0,0 +1,17 @@
+using System.Text.RegularExpressions;
+
+namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
+{
+    public static partial class NumericCharacterValidation
+    {
+        public static bool IsNumeric(char value)
+        {
+            Regex regex = NumericRegex();
+
+            return regex.IsMatch(value.ToString());
+        }
+
+        [GeneratedRegex("[0-9]|.")]
+        private static partial Regex NumericRegex();
+    }
+}
diff --git a/src/Ryujinx/Ui/Applet/SwkbdAppletDialog.cs b/src/Ryujinx/Ui/Applet/SwkbdAppletDialog.cs
index 1ed08250f..c1f3d77c1 100644
--- a/src/Ryujinx/Ui/Applet/SwkbdAppletDialog.cs
+++ b/src/Ryujinx/Ui/Applet/SwkbdAppletDialog.cs
@@ -90,9 +90,9 @@ namespace Ryujinx.Ui.Applet
 
             switch (mode)
             {
-                case KeyboardMode.NumbersOnly:
-                    _validationInfoText += "<i>Must be numbers only.</i>";
-                    _checkInput = text => text.All(char.IsDigit);
+                case KeyboardMode.Numeric:
+                    _validationInfoText += "<i>Must be 0-9 or '.' only.</i>";
+                    _checkInput = text => text.All(NumericCharacterValidation.IsNumeric);
                     break;
                 case KeyboardMode.Alphabet:
                     _validationInfoText += "<i>Must be non CJK-characters only.</i>";