refactor(主题): 将主题相关逻辑提取到ThemeHelper类中

重构主题相关代码，将重复的IsSystemThemeLight方法和主题应用逻辑提取到新的ThemeHelper工具类中简化多个窗口的主题处理代码，统一使用ThemeHelper进行主题管理
2026-05-01 21:54:15 +08:00
parent 1217ef7ef9
commit 267d9b4450
12 changed files with 188 additions and 523 deletions
@@ -0,0 +1,92 @@
+using iNKORE.UI.WPF.Modern;
+using Microsoft.Win32;
+using System;
+using System.Windows;
+
+namespace Ink_Canvas.Helpers
+{
+    public static class ThemeHelper
+    {
+        public static bool IsSystemThemeLight()
+        {
+            try
+            {
+                var registryKey = Registry.CurrentUser;
+                var themeKey = registryKey.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize");
+                if (themeKey != null)
+                {
+                    var value = themeKey.GetValue("AppsUseLightTheme");
+                    if (value != null)
+                    {
+                        bool result = (int)value == 1;
+                        themeKey.Close();
+                        return result;
+                    }
+                    themeKey.Close();
+                }
+            }
+            catch
+            {
+            }
+            return true;
+        }
+
+        public static bool IsSystemThemeLightLegacy()
+        {
+            try
+            {
+                var registryKey = Registry.CurrentUser;
+                var themeKey = registryKey.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize");
+                if (themeKey != null)
+                {
+                    int keyValue = (int)themeKey.GetValue("SystemUsesLightTheme");
+                    themeKey.Close();
+                    return keyValue == 1;
+                }
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine(ex);
+            }
+            return false;
+        }
+
+        public static ElementTheme GetEffectiveTheme(Settings settings)
+        {
+            if (settings.Appearance.Theme == 0)
+                return ElementTheme.Light;
+            if (settings.Appearance.Theme == 1)
+                return ElementTheme.Dark;
+
+            return IsSystemThemeLight() ? ElementTheme.Light : ElementTheme.Dark;
+        }
+
+        public static void ApplyTheme(FrameworkElement element, Settings settings)
+        {
+            if (element == null || settings == null) return;
+            try
+            {
+                ThemeManager.SetRequestedTheme(element, GetEffectiveTheme(settings));
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"应用主题失败: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        public static void ApplyTheme(FrameworkElement element, Settings settings, Action<string> onThemeApplied)
+        {
+            if (element == null || settings == null) return;
+            try
+            {
+                var theme = GetEffectiveTheme(settings);
+                ThemeManager.SetRequestedTheme(element, theme);
+                onThemeApplied?.Invoke(theme == ElementTheme.Dark ? "Dark" : "Light");
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"应用主题失败: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+    }
+}