fix: 修复撤销时会影响非当前文档的问题

Author: LarryZhu-dev

src/main/menu.ts

@@ -38,8 +38,26 @@ export default function createMenu() {
     {
       label: "编辑",
       submenu: [
-        { label: "撤销", accelerator: "CmdOrCtrl+Z", role: "undo" },
-        { label: "重做", accelerator: "Shift+CmdOrCtrl+Z", role: "redo" },
+        // 撤销/重做由 ProseMirror 的 history 插件通过 keymap 处理（每个编辑器实例独立）
+        // 不使用 Electron 的 role: "undo"/"redo"，否则会调用浏览器原生撤销，
+        // 在多 Tab（v-show）模式下可能影响非当前文档
+        // registerAccelerator: false 仅在菜单中显示快捷键，不实际注册，让按键事件传到渲染进程
+        {
+          label: "撤销",
+          accelerator: "CmdOrCtrl+Z",
+          registerAccelerator: false,
+          click: () => {
+            getFocusedWindow()?.webContents.send("editor:undo");
+          },
+        },
+        {
+          label: "重做",
+          accelerator: "Shift+CmdOrCtrl+Z",
+          registerAccelerator: false,
+          click: () => {
+            getFocusedWindow()?.webContents.send("editor:redo");
+          },
+        },
         { label: "剪切", accelerator: "CmdOrCtrl+X", role: "cut" },
         { label: "复制", accelerator: "CmdOrCtrl+C", role: "copy" },
         { label: "粘贴", accelerator: "CmdOrCtrl+V", role: "paste" },

src/renderer/components/editor/MilkupEditor.vue

@@ -13,6 +13,7 @@ import {
   type ImagePasteMethod,
   setGlobalMermaidDefaultMode,
 } from "@/core";
+import { undo, redo } from "prosemirror-history";
 import { uploadImage } from "@/renderer/services/api";
 import { AIService } from "@/renderer/services/ai";
 import { useAIConfig } from "@/renderer/hooks/useAIConfig";
@@ -278,6 +279,8 @@ onUnmounted(() => {
   emitter.off("sourceView:toggle", handleSourceViewToggle);
   emitter.off("outline:scrollTo", handleOutlineScrollTo);
   emitter.off("editor:reload", handleEditorReload);
+  window.electronAPI.removeListener?.("editor:undo", handleMenuUndo);
+  window.electronAPI.removeListener?.("editor:redo", handleMenuRedo);
 });
 
 // 处理源码模式切换事件（仅活跃编辑器响应）
@@ -302,6 +305,20 @@ function handleOutlineScrollTo(pos: unknown) {
 }
 emitter.on("outline:scrollTo", handleOutlineScrollTo);
 
+// 处理菜单栏的撤销/重做（仅活跃编辑器响应）
+function handleMenuUndo() {
+  if (!props.isActive || !editor) return;
+  const view = editor.view;
+  undo(view.state, view.dispatch.bind(view));
+}
+function handleMenuRedo() {
+  if (!props.isActive || !editor) return;
+  const view = editor.view;
+  redo(view.state, view.dispatch.bind(view));
+}
+window.electronAPI.on?.("editor:undo", handleMenuUndo);
+window.electronAPI.on?.("editor:redo", handleMenuRedo);
+
 // 处理编辑器重载事件（仅活跃编辑器响应）
 function handleEditorReload() {
   if (!props.isActive || !containerRef.value) return;