Add onTitleClick to doc

components/menu/index.md

@@ -51,8 +51,11 @@ english: Menu
 
 | 参数     | 说明           | 类型     | 默认值       |
 |----------|----------------|----------|--------------|
+| disabled    | 是否禁用 | Boolean   |  false  |
+| key | 唯一标志 |  String |  |
 | title    | 子菜单项值 | String or React.Element   |    |
 | children | 子菜单的菜单项 | (MenuItem or SubMenu)[] |  |
+| onTitleClick | 点击子菜单标题 | Function({ eventKey, domEvent }) |  |
 
 ### Menu.ItemGroup props
 

components/menu/style/index.less

@@ -130,6 +130,7 @@
   &-item,
   &-submenu-title {
     margin: 0;
+    padding: 0 20px;
     position: relative;
     display: block;
     white-space: nowrap;
@@ -144,6 +145,11 @@
         pointer-events: none;
       }
     }
+
+    .anticon {
+      width: 14px;
+      margin-right: 8px;
+    }
   }
 
   & > &-item-divider {
@@ -201,14 +207,6 @@
     }
   }
 
-  &-item,
-  &-submenu-title {
-    .anticon {
-      width: 14px;
-      margin-right: 8px;
-    }
-  }
-
   &-horizontal {
     border: 0;
     border-bottom: 1px solid @border-color-split;
@@ -217,7 +215,6 @@
 
     > .@{menu-prefix-cls}-item,
     > .@{menu-prefix-cls}-submenu {
-      padding: 0 20px;
       position: relative;
       top: 1px;
       float: left;