Fix WebView2 data directory failing on non-ASCII user profile paths

TopNotify/GUI/MainCommands.cs

@@ -41,7 +41,7 @@ public static void About()
                 .Show();
         }
 
-        [Command("Donate")] 
+        [Command("Donate")]
         public static async void Donate()
         {
             try
@@ -68,7 +68,7 @@ public static string GetVersion()
         {
             // Read version from Appx Manifest
             var appxManifest = Path.Join(AppDomain.CurrentDomain.BaseDirectory, "AppxManifest.xml");
-            if (File.Exists(appxManifest)) { 
+            if (File.Exists(appxManifest)) {
                 var manifestData = File.ReadAllText(appxManifest);
 
                 var from = manifestData.IndexOf("Version=\"") + "Version=\"".Length;
@@ -86,6 +86,17 @@ public static string GetVersion()
         [Command("RequestConfig")]
         public static void RequestConfig(WebWindow target)
         {
+            // Calculate window height based on preview aspect ratio
+            var resolution = ResolutionFinder.GetRealResolution();
+            float aspect = (float)resolution.Height / resolution.Width;
+
+            // Preview width is 352px, so preview height = 352 * aspect
+            // Add fixed UI height for header, dropdown, controls, buttons, and padding
+            float previewHeight = 352f * aspect;
+            float windowHeight = previewHeight + 420f;
+
+            target.Bounds = new WindowBounds((int)(400f * ResolutionFinder.GetScale()), (int)(windowHeight * ResolutionFinder.GetScale()));
+
             target.SendConfig();
         }
 

TopNotify/Program.cs

@@ -1,7 +1,8 @@
-#define TRACE // Enable Trace.WriteLine
+#define TRACE // Enable Trace.WriteLine
 
 using System;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using System.Drawing;
 using Microsoft.Toolkit.Uwp.Notifications;
 using TopNotify.Daemon;
@@ -11,6 +12,7 @@
 using IgniteView.Desktop;
 using System.Reflection;
 using System.Runtime.InteropServices;
+using System.Text;
 using Windows.Services.Store;
 using Serilog;
 using Serilog.Core;
@@ -109,6 +111,18 @@ public static void Main(string[] args)
 
                 // Open The GUI App In Settings Mode
                 GUI = new ViteAppManager();
+
+                // WebView2 fails to read/write its data directory when the path contains
+                // non-ASCII characters (e.g. Japanese usernames). If non-ASCII characters
+                // are detected, fall back to an ASCII-safe path under ProgramData.
+                if (GUI.CurrentIdentity.AppDataPath.Any(c => c > 127))
+                {
+                    GUI.CurrentIdentity = new AsciiSafeAppIdentity(
+                        GUI.CurrentIdentity.Name,
+                        GUI.CurrentIdentity.Developer
+                    );
+                }
+
                 App();
             }
             else
@@ -153,5 +167,34 @@ public static async Task App()
         }
 
     }
+
+    /// <summary>
+    /// AppIdentity subclass that works around WebView2's inability to handle non-ASCII paths.
+    /// When the user profile path contains non-ASCII characters (e.g. Japanese usernames),
+    /// this class redirects the data directory to an ASCII-safe path under ProgramData (C:\ProgramData).
+    /// </summary>
+    public class AsciiSafeAppIdentity : AppIdentity
+    {
+        [SetsRequiredMembers]
+        public AsciiSafeAppIdentity(string name, string developer) : base(name, developer) { }
+
+        public override string AppDataPath
+        {
+            get
+            {
+                // ProgramData (C:\ProgramData) always has an ASCII-only path,
+                // making it safe to use as the WebView2 data directory
+                var basePath = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData);
+                var fullPath = Path.Join(basePath, Developer, Name);
+
+                if (!Directory.Exists(fullPath))
+                {
+                    Directory.CreateDirectory(fullPath);
+                }
+
+                return fullPath;
+            }
+        }
+    }
 }