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frontend/src/views/editor/extensions/contextMenu/ContextMenu.vue

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+<script setup lang="ts">
+import { computed, nextTick, onUnmounted, ref, watch } from 'vue';
+import { contextMenuManager } from './manager';
+import type { RenderMenuItem } from './menuSchema';
+
+const props = defineProps<{
+  portalTarget?: HTMLElement | null;
+}>();
+
+const menuState = contextMenuManager.useState();
+const menuRef = ref<HTMLDivElement | null>(null);
+const adjustedPosition = ref({ x: 0, y: 0 });
+
+const isVisible = computed(() => menuState.value.visible);
+const items = computed(() => menuState.value.items);
+const position = computed(() => menuState.value.position);
+const teleportTarget = computed<HTMLElement | string>(() => props.portalTarget ?? 'body');
+
+watch(
+  position,
+  (newPosition) => {
+    adjustedPosition.value = { ...newPosition };
+    if (isVisible.value) {
+      nextTick(adjustMenuWithinViewport);
+    }
+  },
+  { deep: true }
+);
+
+watch(isVisible, (visible) => {
+  if (visible) {
+    nextTick(adjustMenuWithinViewport);
+    // 显示时添加 outside 点击监听
+    document.addEventListener('mousedown', handleClickOutside);
+  } else {
+    // 隐藏时移除监听
+    document.removeEventListener('mousedown', handleClickOutside);
+  }
+});
+
+// 清理
+onUnmounted(() => {
+  document.removeEventListener('mousedown', handleClickOutside);
+});
+
+const menuStyle = computed(() => ({
+  left: `${adjustedPosition.value.x}px`,
+  top: `${adjustedPosition.value.y}px`
+}));
+
+async function adjustMenuWithinViewport() {
+  await nextTick();
+  const menuEl = menuRef.value;
+  if (!menuEl) return;
+
+  const rect = menuEl.getBoundingClientRect();
+  let nextX = adjustedPosition.value.x;
+  let nextY = adjustedPosition.value.y;
+
+  if (rect.right > window.innerWidth) {
+    nextX = Math.max(0, window.innerWidth - rect.width - 8);
+  }
+
+  if (rect.bottom > window.innerHeight) {
+    nextY = Math.max(0, window.innerHeight - rect.height - 8);
+  }
+
+  adjustedPosition.value = { x: nextX, y: nextY };
+}
+
+function handleItemClick(item: RenderMenuItem) {
+  if (item.type !== "action" || item.disabled) {
+    return;
+  }
+  contextMenuManager.runCommand(item);
+}
+
+function handleClickOutside(event: MouseEvent) {
+  // 如果点击在菜单内部，不关闭
+  if (menuRef.value?.contains(event.target as Node)) {
+    return;
+  }
+  contextMenuManager.hide();
+}
+</script>
+
+<template>
+  <Teleport :to="teleportTarget">
+    <template v-if="isVisible">
+      <div
+        ref="menuRef"
+        class="cm-context-menu show"
+        :style="menuStyle"
+        role="menu"
+        @contextmenu.prevent
+      >
+        <template v-for="item in items" :key="item.id">
+          <div v-if="item.type === 'separator'" class="cm-context-menu-divider" />
+          <div
+            v-else
+            class="cm-context-menu-item"
+            :class="{ 'is-disabled': item.disabled }"
+            role="menuitem"
+            :aria-disabled="item.disabled ? 'true' : 'false'"
+            @click="handleItemClick(item)"
+          >
+            <div class="cm-context-menu-item-label">
+              <span>{{ item.label }}</span>
+            </div>
+            <span v-if="item.shortcut" class="cm-context-menu-item-shortcut">
+              {{ item.shortcut }}
+            </span>
+          </div>
+        </template>
+      </div>
+    </template>
+  </Teleport>
+</template>
+
+<style scoped lang="scss">
+.cm-context-menu {
+  position: fixed;
+  min-width: 180px;
+  max-width: 320px;
+  padding: 4px 0;
+  border-radius: 3px;
+  background-color: var(--settings-card-bg, #1c1c1e);
+  color: var(--settings-text, #f6f6f6);
+  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
+  z-index: 10000;
+  opacity: 0;
+  transform: scale(0.96);
+  transform-origin: top left;
+  transition: opacity 0.12s ease, transform 0.12s ease;
+}
+
+.cm-context-menu.show {
+  opacity: 1;
+  transform: scale(1);
+}
+
+.cm-context-menu-item {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 8px 14px;
+  font-size: 14px;
+  cursor: pointer;
+  transition: background-color 0.12s ease, color 0.12s ease;
+  white-space: nowrap;
+}
+
+.cm-context-menu-item:hover {
+  background-color: var(--toolbar-button-hover);
+  color: var(--toolbar-text, #ffffff);
+}
+
+.cm-context-menu-item.is-disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.cm-context-menu-item-label {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.cm-context-menu-item-shortcut {
+  font-size: 12px;
+  opacity: 0.65;
+}
+
+.cm-context-menu-divider {
+  height: 1px;
+  margin: 4px 0;
+  border: none;
+  background-color: rgba(255, 255, 255, 0.08);
+}
+
+</style>

frontend/src/views/editor/extensions/contextMenu/index.ts

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+import { EditorView } from '@codemirror/view';
+import { Extension } from '@codemirror/state';
+import { copyCommand, cutCommand, pasteCommand } from '../codeblock/copyPaste';
+import { KeyBindingCommand } from '../../../../../bindings/voidraft/internal/models/models';
+import { useKeybindingStore } from '@/stores/keybindingStore';
+import { undo, redo } from '@codemirror/commands';
+import i18n from '@/i18n';
+import { useSystemStore } from '@/stores/systemStore';
+import { showContextMenu } from './manager';
+import {
+  buildRegisteredMenu,
+  createMenuContext,
+  registerMenuNodes
+} from './menuSchema';
+import type { MenuSchemaNode } from './menuSchema';
+
+
+function t(key: string): string {
+  return i18n.global.t(key);
+}
+
+
+function formatKeyBinding(keyBinding: string): string {
+  const systemStore = useSystemStore();
+  const isMac = systemStore.isMacOS;
+
+  return keyBinding
+    .replace("Mod", isMac ? "Cmd" : "Ctrl")
+    .replace("Shift", "Shift")
+    .replace("Alt", isMac ? "Option" : "Alt")
+    .replace("Ctrl", isMac ? "Ctrl" : "Ctrl")
+    .replace(/-/g, " + ");
+}
+
+const shortcutCache = new Map<KeyBindingCommand, string>();
+
+
+function getShortcutText(command?: KeyBindingCommand): string {
+  if (command === undefined) {
+    return "";
+  }
+
+  const cached = shortcutCache.get(command);
+  if (cached !== undefined) {
+    return cached;
+  }
+
+  try {
+    const keybindingStore = useKeybindingStore();
+    const binding = keybindingStore.keyBindings.find(
+      (kb) => kb.command === command && kb.enabled
+    );
+
+    if (binding?.key) {
+      const formatted = formatKeyBinding(binding.key);
+      shortcutCache.set(command, formatted);
+      return formatted;
+    }
+  } catch (error) {
+    console.warn("An error occurred while getting the shortcut:", error);
+  }
+
+  shortcutCache.set(command, "");
+  return "";
+}
+
+
+function getBuiltinMenuNodes(): MenuSchemaNode[] {
+  return [
+    {
+      id: "copy",
+      labelKey: "keybindings.commands.blockCopy",
+      command: copyCommand,
+      shortcutCommand: KeyBindingCommand.BlockCopyCommand,
+      enabled: (context) => context.hasSelection
+    },
+    {
+      id: "cut",
+      labelKey: "keybindings.commands.blockCut",
+      command: cutCommand,
+      shortcutCommand: KeyBindingCommand.BlockCutCommand,
+      visible: (context) => context.isEditable,
+      enabled: (context) => context.hasSelection && context.isEditable
+    },
+    {
+      id: "paste",
+      labelKey: "keybindings.commands.blockPaste",
+      command: pasteCommand,
+      shortcutCommand: KeyBindingCommand.BlockPasteCommand,
+      visible: (context) => context.isEditable
+    },
+    {
+      id: "undo",
+      labelKey: "keybindings.commands.historyUndo",
+      command: undo,
+      shortcutCommand: KeyBindingCommand.HistoryUndoCommand,
+      visible: (context) => context.isEditable
+    },
+    {
+      id: "redo",
+      labelKey: "keybindings.commands.historyRedo",
+      command: redo,
+      shortcutCommand: KeyBindingCommand.HistoryRedoCommand,
+      visible: (context) => context.isEditable
+    }
+  ];
+}
+
+let builtinMenuRegistered = false;
+
+function ensureBuiltinMenuRegistered(): void {
+  if (builtinMenuRegistered) return;
+  registerMenuNodes(getBuiltinMenuNodes());
+  builtinMenuRegistered = true;
+}
+
+
+export function createEditorContextMenu(): Extension {
+  ensureBuiltinMenuRegistered();
+
+  return EditorView.domEventHandlers({
+    contextmenu: (event, view) => {
+      event.preventDefault();
+
+      const context = createMenuContext(view, event as MouseEvent);
+      const menuItems = buildRegisteredMenu(context, {
+        translate: t,
+        formatShortcut: getShortcutText
+      });
+
+      if (menuItems.length === 0) {
+        return false;
+      }
+
+      showContextMenu(view, event.clientX, event.clientY, menuItems);
+      return true;
+    }
+  });
+}
+
+export default createEditorContextMenu;

frontend/src/views/editor/extensions/contextMenu/manager.ts

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+import type { EditorView } from '@codemirror/view';
+import { readonly, shallowRef, type ShallowRef } from 'vue';
+import type { RenderMenuItem } from './menuSchema';
+
+interface MenuPosition {
+  x: number;
+  y: number;
+}
+
+interface ContextMenuState {
+  visible: boolean;
+  position: MenuPosition;
+  items: RenderMenuItem[];
+  view: EditorView | null;
+}
+
+class ContextMenuManager {
+  private state: ShallowRef<ContextMenuState> = shallowRef({
+    visible: false,
+    position: { x: 0, y: 0 },
+    items: [] as RenderMenuItem[],
+    view: null as EditorView | null
+  });
+
+  useState() {
+    return readonly(this.state);
+  }
+
+  show(view: EditorView, clientX: number, clientY: number, items: RenderMenuItem[]): void {
+    const currentState = this.state.value;
+    
+    // 如果菜单已经显示，且位置很接近（20px范围内），则只更新内容，避免闪烁
+    if (currentState.visible) {
+      const dx = Math.abs(currentState.position.x - clientX);
+      const dy = Math.abs(currentState.position.y - clientY);
+      const isSamePosition = dx < 20 && dy < 20;
+      
+      if (isSamePosition) {
+        // 只更新items和view，保持visible状态和位置
+        this.state.value = {
+          ...currentState,
+          items,
+          view
+        };
+        return;
+      }
+    }
+    
+    // 否则正常显示菜单
+    this.state.value = {
+      visible: true,
+      position: { x: clientX, y: clientY },
+      items,
+      view
+    };
+  }
+
+  hide(): void {
+    if (!this.state.value.visible) {
+      return;
+    }
+
+    const previousPosition = this.state.value.position;
+    const view = this.state.value.view;
+    this.state.value = {
+      visible: false,
+      position: previousPosition,
+      items: [],
+      view: null
+    };
+
+    if (view) {
+      view.focus();
+    }
+  }
+
+  runCommand(item: RenderMenuItem): void {
+    if (item.type !== "action" || item.disabled) {
+      return;
+    }
+
+    const { view } = this.state.value;
+    if (item.command && view) {
+      item.command(view);
+    }
+    this.hide();
+  }
+
+  destroy(): void {
+    this.state.value = {
+      visible: false,
+      position: { x: 0, y: 0 },
+      items: [],
+      view: null
+    };
+  }
+}
+
+export const contextMenuManager = new ContextMenuManager();
+
+export function showContextMenu(
+  view: EditorView,
+  clientX: number,
+  clientY: number,
+  items: RenderMenuItem[]
+): void {
+  contextMenuManager.show(view, clientX, clientY, items);
+}

frontend/src/views/editor/extensions/contextMenu/menuSchema.ts

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+import type { EditorView } from '@codemirror/view';
+import { EditorState } from '@codemirror/state';
+import type { KeyBindingCommand } from '../../../../../bindings/voidraft/internal/models/models';
+
+export interface MenuContext {
+  view: EditorView;
+  event: MouseEvent;
+  hasSelection: boolean;
+  selectionText: string;
+  isEditable: boolean;
+}
+
+export type MenuSchemaNode =
+  | {
+      id: string;
+      type?: "action";
+      labelKey: string;
+      command?: (view: EditorView) => boolean;
+      shortcutCommand?: KeyBindingCommand;
+      visible?: (context: MenuContext) => boolean;
+      enabled?: (context: MenuContext) => boolean;
+    }
+  | {
+      id: string;
+      type: "separator";
+      visible?: (context: MenuContext) => boolean;
+    };
+
+export interface RenderMenuItem {
+  id: string;
+  type: "action" | "separator";
+  label?: string;
+  shortcut?: string;
+  disabled?: boolean;
+  command?: (view: EditorView) => boolean;
+}
+
+interface MenuBuildOptions {
+  translate: (key: string) => string;
+  formatShortcut: (command?: KeyBindingCommand) => string;
+}
+
+const menuRegistry: MenuSchemaNode[] = [];
+
+export function createMenuContext(view: EditorView, event: MouseEvent): MenuContext {
+  const { state } = view;
+  const hasSelection = state.selection.ranges.some((range) => !range.empty);
+  const selectionText = hasSelection
+    ? state.sliceDoc(state.selection.main.from, state.selection.main.to)
+    : "";
+  const isEditable = !state.facet(EditorState.readOnly);
+
+  return {
+    view,
+    event,
+    hasSelection,
+    selectionText,
+    isEditable
+  };
+}
+
+export function registerMenuNodes(nodes: MenuSchemaNode[]): void {
+  menuRegistry.push(...nodes);
+}
+
+export function buildRegisteredMenu(
+  context: MenuContext,
+  options: MenuBuildOptions
+): RenderMenuItem[] {
+  return menuRegistry
+    .map((node) => convertNode(node, context, options))
+    .filter((item): item is RenderMenuItem => Boolean(item));
+}
+
+function convertNode(
+  node: MenuSchemaNode,
+  context: MenuContext,
+  options: MenuBuildOptions
+): RenderMenuItem | null {
+  if (node.visible && !node.visible(context)) {
+    return null;
+  }
+
+  if (node.type === "separator") {
+    return {
+      id: node.id,
+      type: "separator"
+    };
+  }
+
+  const disabled = node.enabled ? !node.enabled(context) : false;
+  const shortcut = options.formatShortcut(node.shortcutCommand);
+
+  return {
+    id: node.id,
+    type: "action",
+    label: options.translate(node.labelKey),
+    shortcut: shortcut || undefined,
+    disabled,
+    command: node.command
+  };
+}