v1.0.1

lib/app/platform_utils.dart

@@ -0,0 +1,51 @@
+import 'dart:io' show Platform;
+
+import 'package:fluent_ui/fluent_ui.dart' as fluent;
+import 'package:flutter/foundation.dart' show kIsWeb;
+import 'package:flutter/material.dart';
+
+/// Windows平台检测与Fluent UI主题工具
+class PlatformUtils {
+  /// Web平台不支持dart:io，需先排除
+  static bool get isWindows => !kIsWeb && Platform.isWindows;
+
+  /// 根据当前Material主题生成对应的FluentThemeData
+  static fluent.FluentThemeData getFluentTheme(BuildContext context) {
+    final materialTheme = Theme.of(context);
+    final brightness = materialTheme.brightness;
+    final primary = materialTheme.colorScheme.primary;
+
+    // 根据primary color构建AccentColor渐变色阶
+    final accent = fluent.AccentColor.swatch({
+      'darkest': _darken(primary, 0.4),
+      'darker': _darken(primary, 0.2),
+      'dark': _darken(primary, 0.1),
+      'normal': primary,
+      'light': _lighten(primary, 0.15),
+      'lighter': _lighten(primary, 0.3),
+      'lightest': _lighten(primary, 0.5),
+    });
+
+    return fluent.FluentThemeData(
+      brightness: brightness,
+      accentColor: accent,
+      scaffoldBackgroundColor: brightness == Brightness.dark
+          ? const Color(0xff202020)
+          : const Color(0xfff3f3f3),
+    );
+  }
+
+  static Color _darken(Color color, double amount) {
+    final hsl = HSLColor.fromColor(color);
+    return hsl
+        .withLightness((hsl.lightness - amount).clamp(0.0, 1.0))
+        .toColor();
+  }
+
+  static Color _lighten(Color color, double amount) {
+    final hsl = HSLColor.fromColor(color);
+    return hsl
+        .withLightness((hsl.lightness + amount).clamp(0.0, 1.0))
+        .toColor();
+  }
+}