Check KeyboardMode in GUI (#4343)

* Update SoftwareKeyboard to send KeyboardMode to UI

* Update GTK UI to check text against KeyboardMode

* Update Ava UI to check text against KeyboardMode

* Restructure input validation

* true when text is not empty

* Add English validation text for SoftwareKeyboardMode

* Add Chinese validation text for SoftwareKeyboardMode

* Update base on feedback

---------

Co-authored-by: TSR Berry <20988865+TSRBerry@users.noreply.github.com>

src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/KeyboardMode.cs

@@ -3,7 +3,7 @@
     /// <summary>
     /// Identifies the variant of keyboard displayed on screen.
     /// </summary>
-    enum KeyboardMode : uint
+    public enum KeyboardMode : uint
     {
         /// <summary>
         /// A full alpha-numeric keyboard.

src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardApplet.cs

@@ -209,6 +209,7 @@ namespace Ryujinx.HLE.HOS.Applets
                 // Call the configured GUI handler to get user's input.
                 var args = new SoftwareKeyboardUiArgs
                 {
+                    KeyboardMode = _keyboardForegroundConfig.Mode,
                     HeaderText = StripUnicodeControlCodes(_keyboardForegroundConfig.HeaderText),
                     SubtitleText = StripUnicodeControlCodes(_keyboardForegroundConfig.SubtitleText),
                     GuideText = StripUnicodeControlCodes(_keyboardForegroundConfig.GuideText),

src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardUiArgs.cs

@@ -1,7 +1,10 @@
+using Ryujinx.HLE.HOS.Applets.SoftwareKeyboard;
+
 namespace Ryujinx.HLE.HOS.Applets
 {
     public struct SoftwareKeyboardUiArgs
     {
+        public KeyboardMode KeyboardMode;
         public string HeaderText;
         public string SubtitleText;
         public string InitialText;