fix:无焦点功能状态丢失

Ink Canvas/MainWindow.xaml.cs

@@ -50,6 +50,9 @@ namespace Ink_Canvas
         // 墨迹渐隐管理器
         private InkFadeManager _inkFadeManager;
 
+        // 设置面板相关状态
+        private bool userChangedNoFocusModeInSettings;
+
 
 
         #region Window Initialization
@@ -1933,6 +1936,12 @@ namespace Ink_Canvas
             {
                 ApplyAlwaysOnTop();
             }
+
+            // 如果当前在设置面板中，标记用户已修改无焦点模式设置
+            if (BorderSettings.Visibility == Visibility.Visible)
+            {
+                userChangedNoFocusModeInSettings = true;
+            }
         }
 
         private void ToggleSwitchAlwaysOnTop_Toggled(object sender, RoutedEventArgs e)

Ink Canvas/MainWindow_cs/MW_FloatingBarIcons.cs

@@ -364,11 +364,15 @@ namespace Ink_Canvas
                 {
                     BorderSettings.Visibility = Visibility.Collapsed;
                     isOpeningOrHidingSettingsPane = false;
-                    // 在设置面板完全关闭后，根据当前设置恢复无焦点模式
-                    if (Settings.Advanced.IsNoFocusMode)
+                    // 在设置面板完全关闭后，根据情况恢复无焦点模式状态
+                    if (!userChangedNoFocusModeInSettings && wasNoFocusModeBeforeSettings)
                     {
+                        // 如果用户没有在设置中修改无焦点模式，则恢复之前的状态
+                        Settings.Advanced.IsNoFocusMode = true;
+                        ToggleSwitchNoFocusMode.IsOn = true; // 同步更新设置面板中的开关状态
                         ApplyNoFocusMode();
                     }
+                    // 如果用户在设置中修改了无焦点模式，则保持用户的修改
                 };
 
                 BorderSettings.Visibility = Visibility.Visible;
@@ -2612,6 +2616,7 @@ namespace Ink_Canvas
             {
                 // 临时禁用无焦点模式以避免下拉选项被遮挡
                 wasNoFocusModeBeforeSettings = Settings.Advanced.IsNoFocusMode;
+                userChangedNoFocusModeInSettings = false; // 重置用户修改标志
                 if (wasNoFocusModeBeforeSettings)
                 {
                     Settings.Advanced.IsNoFocusMode = false;