马良AI写作初始化仓库

AINoval/lib/widgets/editor/slash_command_overlay.dart

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+import 'package:flutter/material.dart';
+import 'package:ainoval/widgets/editor/slash_command_menu.dart';
+
+/// 斜杠命令覆盖层
+/// 用于在编辑器上显示命令选择菜单
+class SlashCommandOverlay {
+  static OverlayEntry? _overlayEntry;
+
+  /// 显示斜杠命令菜单
+  static void show({
+    required BuildContext context,
+    required Offset position,
+    required Function(SlashCommandType) onCommandSelected,
+    required VoidCallback onDismiss,
+    required List<SlashCommandType> availableCommands,
+  }) {
+    // 如果已经显示了菜单，先隐藏
+    hide();
+
+    _overlayEntry = OverlayEntry(
+      builder: (context) => Positioned(
+        left: position.dx,
+        top: position.dy,
+        child: Material(
+          color: Colors.transparent,
+          child: SlashCommandMenu(
+            position: position,
+            onCommandSelected: onCommandSelected,
+            onDismiss: onDismiss,
+            availableCommands: availableCommands,
+          ),
+        ),
+      ),
+    );
+
+    Overlay.of(context).insert(_overlayEntry!);
+  }
+
+  /// 隐藏斜杠命令菜单
+  static void hide() {
+    _overlayEntry?.remove();
+    _overlayEntry = null;
+  }
+
+  /// 检查是否正在显示菜单
+  static bool get isShowing => _overlayEntry != null;
+}