增加列表项的点击事件

src/App.vue

@@ -1,6 +1,6 @@
 <script setup>
 import VirtualList from './components/VirtualList.vue'
-import { ref } from 'vue'
+import { ref, onMounted, onBeforeUnmount } from 'vue'
 
 // 虚拟列表配置
 const listConfig = {
@@ -17,9 +17,19 @@ const listData = Array.from({ length: 100 }, (_, i) => ({
   path: `/Users/lanyuanxiaoyao/Project/IdeaProjects/project-${i + 1}`,
 }))
 
-// 选择处理
+// 添加当前选中项的状态
+const selectedItem = ref(null)
+
+// 修改选择处理函数
 const handleSelect = (item) => {
   console.log('Selected:', item)
+  selectedItem.value = item
+}
+
+// 添加点击处理函数
+const handleClick = (item) => {
+  console.log('Clicked:', item)
+  // 这里可以添加点击特定处理逻辑
 }
 
 // 菜单配置
@@ -32,25 +42,72 @@ const menuItems = [
 // 控制菜单显示状态
 const showMenu = ref(false)
 
-// 菜单点击处理
+// 添加列表冻结状态
+const listFrozen = ref(false)
+
+// 修改菜单显示状态的处理
+const showContextMenu = (data) => {
+  const { item } = data
+  // 选中该项
+  handleSelect(item)
+  // 显示菜单
+  showMenu.value = true
+  listFrozen.value = true  // 冻结列表
+}
+
+// 修改关闭菜单的处理
+const closeMenu = () => {
+  showMenu.value = false
+  listFrozen.value = false  // 解冻列表
+}
+
+onMounted(() => {
+  // 添加全局点击事件来关闭菜单
+  document.addEventListener('click', closeMenu)
+})
+
+onBeforeUnmount(() => {
+  document.removeEventListener('click', closeMenu)
+})
+
+// 修改菜单点击处理
 const handleMenuClick = (item) => {
   console.log('Menu clicked:', item)
   showMenu.value = false
+  listFrozen.value = false  // 解冻列表
 }
 
-// 切换菜单显示状态
-const toggleMenu = () => {
-  showMenu.value = !showMenu.value
+// 修改菜单触发器点击处理
+const handleMenuTriggerClick = (e) => {
+  e.stopPropagation()
+  // 切换菜单显示状态
+  if (showMenu.value) {
+    showMenu.value = false
+    listFrozen.value = false  // 解冻列表
+  } else {
+    // 如果<E5A682><E69E9C><EFBFBD>有选中项，选中第一个可见项
+    if (listData.length > 0) {
+      // 如果已有选中项就保持当前选中，否则选中第一项
+      const itemToSelect = selectedItem.value || listData[0]
+      showContextMenu({ item: itemToSelect })
+    } else {
+      showMenu.value = true
+      listFrozen.value = true  // 冻结列表
+    }
+  }
 }
 </script>
 
 <template>
-  <div class="app-container">
+  <div class="app-container" @contextmenu.prevent>
     <div class="main-content">
       <VirtualList 
         :data="listData" 
-        :config="listConfig" 
-        @select="handleSelect" 
+        :config="listConfig"
+        :frozen="listFrozen"
+        @select="handleSelect"
+        @click="handleClick"
+        @contextmenu="showContextMenu"
       />
     </div>
     <div class="toolbar">
@@ -59,14 +116,28 @@ const toggleMenu = () => {
           共 {{ listData.length }} 项
         </div>
         <div class="toolbar-spacer"></div>
-        <div class="menu-trigger" @click="toggleMenu">
+        <div 
+          class="menu-trigger" 
+          :class="{ 'active': showMenu }"
+          @click="handleMenuTriggerClick"
+        >
           <svg viewBox="0 0 24 24" width="16" height="16">
             <circle cx="12" cy="6" r="2" fill="currentColor"/>
             <circle cx="12" cy="12" r="2" fill="currentColor"/>
             <circle cx="12" cy="18" r="2" fill="currentColor"/>
           </svg>
           <!-- 弹出菜单 -->
-          <div v-if="showMenu" class="popup-menu">
+          <div 
+            v-if="showMenu" 
+            class="popup-menu"
+            @click.stop
+          >
+            <!-- 添加选中项信息区域 -->
+            <div v-if="selectedItem" class="selected-item-info">
+              <div class="selected-item-name">{{ selectedItem.name }}</div>
+              <div class="selected-item-path">{{ selectedItem.path }}</div>
+            </div>
+            <div class="menu-divider"></div>
             <div
               v-for="item in menuItems"
               :key="item.id"
@@ -133,41 +204,83 @@ html, body {
 
 .menu-trigger {
   position: relative;
-  width: 24px;
-  height: 24px;
+  width: 28px;
+  height: 28px;
   display: flex;
   align-items: center;
   justify-content: center;
   cursor: pointer;
   color: #666;
-  border-radius: 4px;
+  border-radius: 6px;
+  transition: all 0.2s ease;
 }
 
 .menu-trigger:hover {
-  background-color: rgba(0, 0, 0, 0.04);
+  background-color: #f5f5f5;
+  color: #1a1a1a;
+}
+
+.menu-trigger.active {
+  background-color: #f5f5f5;
+  color: #1a1a1a;
 }
 
 .popup-menu {
   position: absolute;
   bottom: 100%;
   right: 0;
-  margin-bottom: 4px;
+  margin-bottom: 8px;
   background: white;
-  border-radius: 4px;
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
-  min-width: 120px;
-  padding: 4px 0;
+  border-radius: 8px;
+  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
+  min-width: 240px;
+  padding: 6px 0;
+  z-index: 1000;
+  border: 1px solid rgba(0, 0, 0, 0.06);
+  backdrop-filter: blur(8px);
 }
 
 .menu-item {
-  padding: 8px 16px;
+  padding: 9px 16px;
+  margin: 0 4px;
   font-size: 13px;
   color: #333;
   cursor: pointer;
-  transition: background-color 0.2s ease;
+  transition: all 0.2s ease;
+  border-radius: 6px;
+  display: flex;
+  align-items: center;
 }
 
 .menu-item:hover {
-  background-color: rgba(0, 0, 0, 0.04);
+  background-color: #f5f5f5;
+  color: #1a1a1a;
+}
+
+.selected-item-info {
+  padding: 12px 16px;
+  background-color: #f8f8f8;
+  margin: 0 4px 4px 4px;
+  border-radius: 6px;
+}
+
+.selected-item-name {
+  font-size: 14px;
+  font-weight: 500;
+  color: #1a1a1a;
+  margin-bottom: 6px;
+}
+
+.selected-item-path {
+  font-size: 12px;
+  color: #666;
+  word-break: break-all;
+  line-height: 1.4;
+}
+
+.menu-divider {
+  height: 1px;
+  background-color: #f0f0f0;
+  margin: 4px 0;
 }
 </style>