feat: enhance font and note style settings

- Added support for custom fonts with new font loading and application methods.
- Introduced note style settings, allowing users to choose between title bar and full styles.
- Updated UI components to reflect selected font and note style dynamically.
- Enhanced AppSettings to manage font and note style persistence.
- Updated localization for new font and note style options.

Author: devohmycode

AcrylicSettingsWindow.xaml.cs

@@ -40,10 +40,10 @@ public AcrylicSettingsWindow(BackdropSettings settings, Action<BackdropSettings>
             AppWindow.SetIcon(iconPath);
 
         var theme = AppSettings.LoadThemeSetting();
-        AppSettings.ApplyThemeToWindow(this, theme);
 
         // Apply acrylic to this window too (live preview)
         AppSettings.ApplyToWindow(this, settings, ref _acrylicController, ref _configSource);
+        AppSettings.ApplyThemeToWindow(this, theme, _configSource);
 
         LoadSettings(settings);
         ApplyAcrylicLocalization();

ActionPanel.cs

@@ -9,6 +9,16 @@
             <ResourceDictionary.MergedDictionaries>
                 <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
             </ResourceDictionary.MergedDictionaries>
+            <FontFamily x:Key="GeistRegular">Assets/Fonts/Geist-Regular.otf#Geist</FontFamily>
+            <FontFamily x:Key="GeistMedium">Assets/Fonts/Geist-Medium.otf#Geist Medium</FontFamily>
+            <FontFamily x:Key="GeistBold">Assets/Fonts/Geist-Bold.otf#Geist Bold</FontFamily>
+            <FontFamily x:Key="InterRegular">Assets/Fonts/Inter-Regular.ttf#Inter</FontFamily>
+            <FontFamily x:Key="InterMedium">Assets/Fonts/Inter-Medium.ttf#Inter Medium</FontFamily>
+            <FontFamily x:Key="InterBold">Assets/Fonts/Inter-Bold.ttf#Inter Bold</FontFamily>
+            <FontFamily x:Key="JetBrainsMonoRegular">Assets/Fonts/JetBrainsMono-Regular.ttf#JetBrains Mono</FontFamily>
+            <FontFamily x:Key="JetBrainsMonoMedium">Assets/Fonts/JetBrainsMono-Medium.ttf#JetBrains Mono Medium</FontFamily>
+            <FontFamily x:Key="JetBrainsMonoBold">Assets/Fonts/JetBrainsMono-Bold.ttf#JetBrains Mono Bold</FontFamily>
+            <FontFamily x:Key="ContentControlThemeFontFamily">Assets/Fonts/Geist-Regular.otf#Geist</FontFamily>
             <local:ColorToBrushConverter x:Key="ColorToBrush"/>
             <LinearGradientBrush x:Key="AccentLinearDownGradientBrush"
                                  StartPoint="0,0" EndPoint="0,1">

App.xaml

@@ -1,4 +1,5 @@
 using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Media;
 
 namespace NoteUI;
 
@@ -14,8 +15,15 @@ public App()
     protected override void OnLaunched(LaunchActivatedEventArgs args)
     {
         Lang.SetLanguage(AppSettings.LoadLanguage());
+        ApplyFontResource(AppSettings.LoadFontSetting());
         ReminderService.Initialize();
         _window = new MainWindow();
         _window.Activate();
     }
+
+    public static void ApplyFontResource(string font)
+    {
+        var fontFamily = AppSettings.GetFontFamily(font);
+        Application.Current.Resources["ContentControlThemeFontFamily"] = fontFamily;
+    }
 }

App.xaml.cs

@@ -1,6 +1,7 @@
 using System.Text.Json;
 using Microsoft.UI.Composition.SystemBackdrops;
 using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
 using Microsoft.UI.Xaml.Media;
 using WinRT;
 
@@ -55,6 +56,82 @@ public static void SaveLanguage(string lang)
         MergeAndSaveSettings(new Dictionary<string, object> { ["language"] = lang });
     }
 
+    // ── Font ─────────────────────────────────────────────────
+
+    public static string LoadFontSetting()
+    {
+        try
+        {
+            if (File.Exists(SettingsPath))
+            {
+                var json = File.ReadAllText(SettingsPath);
+                var doc = JsonDocument.Parse(json);
+                if (doc.RootElement.TryGetProperty("font", out var prop))
+                    return prop.GetString() ?? "geist";
+            }
+        }
+        catch { }
+        return "geist";
+    }
+
+    public static void SaveFontSetting(string font)
+    {
+        MergeAndSaveSettings(new Dictionary<string, object> { ["font"] = font });
+    }
+
+    public static FontFamily GetFontFamily(string font)
+    {
+        return font switch
+        {
+            "segoe" => new FontFamily("Segoe UI"),
+            "inter" => new FontFamily("Assets/Fonts/Inter-Regular.ttf#Inter"),
+            "jetbrains" => new FontFamily("Assets/Fonts/JetBrainsMono-Regular.ttf#JetBrains Mono"),
+            _ => new FontFamily("Assets/Fonts/Geist-Regular.otf#Geist"),
+        };
+    }
+
+    public static void ApplyFontToTree(FrameworkElement root, FontFamily fontFamily)
+    {
+        if (root is Control c)
+            c.FontFamily = fontFamily;
+        else if (root is TextBlock tb)
+            tb.FontFamily = fontFamily;
+
+        if (root is Panel panel)
+        {
+            foreach (var child in panel.Children)
+                if (child is FrameworkElement fe)
+                    ApplyFontToTree(fe, fontFamily);
+        }
+        else if (root is ContentControl cc && cc.Content is FrameworkElement content)
+        {
+            ApplyFontToTree(content, fontFamily);
+        }
+    }
+
+    // ── Note style ────────────────────────────────────────────
+
+    public static string LoadNoteStyle()
+    {
+        try
+        {
+            if (File.Exists(SettingsPath))
+            {
+                var json = File.ReadAllText(SettingsPath);
+                var doc = JsonDocument.Parse(json);
+                if (doc.RootElement.TryGetProperty("noteStyle", out var prop))
+                    return prop.GetString() ?? "titlebar";
+            }
+        }
+        catch { }
+        return "titlebar";
+    }
+
+    public static void SaveNoteStyle(string style)
+    {
+        MergeAndSaveSettings(new Dictionary<string, object> { ["noteStyle"] = style });
+    }
+
     // ── Slash commands ──────────────────────────────────────────
 
     public static bool LoadSlashEnabled()
@@ -240,7 +317,8 @@ private static void ConfigureBackdropController(
         }
     }
 
-    public static void ApplyThemeToWindow(Window window, string theme)
+    public static void ApplyThemeToWindow(Window window, string theme,
+        SystemBackdropConfiguration? configSource = null)
     {
         if (window.Content is FrameworkElement fe)
         {
@@ -250,6 +328,9 @@ public static void ApplyThemeToWindow(Window window, string theme)
                 "dark" => ElementTheme.Dark,
                 _ => ElementTheme.Default
             };
+
+            if (configSource != null)
+                configSource.Theme = (SystemBackdropTheme)fe.ActualTheme;
         }
     }