improve:主题

Ink Canvas/MainWindow.xaml.cs

@@ -2855,24 +2855,24 @@ namespace Ink_Canvas
                 switch (themeIndex)
                 {
                     case 0: // 浅色主题
-                        SetTheme("Light");
+                        SetTheme("Light", true);
                         // 浅色主题下设置浮动栏为完全不透明
                         ViewboxFloatingBar.Opacity = 1.0;
                         break;
                     case 1: // 深色主题
-                        SetTheme("Dark");
+                        SetTheme("Dark", true);
                         // 深色主题下设置浮动栏为完全不透明
                         ViewboxFloatingBar.Opacity = 1.0;
                         break;
                     case 2: // 跟随系统
                         if (IsSystemThemeLight())
                         {
-                            SetTheme("Light");
+                            SetTheme("Light", true);
                             ViewboxFloatingBar.Opacity = 1.0;
                         }
                         else
                         {
-                            SetTheme("Dark");
+                            SetTheme("Dark", true);
                             ViewboxFloatingBar.Opacity = 1.0;
                         }
                         break;

Ink Canvas/MainWindow_cs/MW_AutoTheme.cs

@@ -12,7 +12,7 @@ namespace Ink_Canvas
     {
         private Color FloatBarForegroundColor;
 
-        private void SetTheme(string theme)
+        private void SetTheme(string theme, bool autoSwitchIcon = false)
         {
             // 清理现有的主题资源
             var resourcesToRemove = new List<ResourceDictionary>();
@@ -56,8 +56,11 @@ namespace Ink_Canvas
 
                 // 刷新快速面板图标
                 RefreshQuickPanelIcons();
-                
-                AutoSwitchFloatingBarIconForTheme("Light");
+
+                if (autoSwitchIcon)
+                {
+                    AutoSwitchFloatingBarIconForTheme("Light");
+                }
 
                 // 强制刷新UI
                 window.InvalidateVisual();
@@ -87,8 +90,10 @@ namespace Ink_Canvas
                 // 刷新快速面板图标
                 RefreshQuickPanelIcons();
 
-                // 自动切换浮动栏图标为深色呼吸版图标
-                AutoSwitchFloatingBarIconForTheme("Dark");
+                if (autoSwitchIcon)
+                {
+                    AutoSwitchFloatingBarIconForTheme("Dark");
+                }
 
                 // 强制刷新UI
                 window.InvalidateVisual();