增加顶部标签栏左右滚动控制

src/layouts/WorkspaceTabs.css

@@ -33,6 +33,15 @@
   height: 100%;
 }
 
+.workspace-tabs__rail {
+  display: flex;
+  flex: 1 1 auto;
+  align-items: flex-end;
+  min-width: 0;
+  height: 100%;
+  overflow: hidden;
+}
+
 .workspace-tabs__track {
   display: flex;
   flex: 1 1 auto;
@@ -41,6 +50,8 @@
   height: 100%;
   overflow-x: auto;
   overflow-y: hidden;
+  overscroll-behavior-x: contain;
+  scroll-behavior: smooth;
   scrollbar-width: none;
 }
 
@@ -85,6 +96,7 @@
 
 .workspace-tab__main,
 .workspace-tab__close,
+.workspace-tabs__scroll,
 .workspace-tabs__more,
 .workspace-tabs__theme,
 .workspace-tabs__logout,
@@ -131,6 +143,7 @@
 
 .workspace-tab__main:focus-visible,
 .workspace-tab__close:focus-visible,
+.workspace-tabs__scroll:focus-visible,
 .workspace-tabs__more:focus-visible,
 .workspace-tabs__theme:focus-visible,
 .workspace-tabs__logout:focus-visible,
@@ -139,6 +152,29 @@
   outline-offset: -2px;
 }
 
+.workspace-tabs__scroll {
+  display: inline-flex;
+  flex: 0 0 28px;
+  align-items: center;
+  justify-content: center;
+  width: 28px;
+  height: 32px;
+  margin-bottom: 4px;
+  border-radius: 4px;
+  color: var(--ant-color-text-secondary);
+  font-size: 12px;
+}
+
+.workspace-tabs__scroll:not(:disabled):hover {
+  color: var(--ant-color-primary);
+  background: var(--ant-color-fill-tertiary);
+}
+
+.workspace-tabs__scroll:disabled {
+  cursor: default;
+  opacity: 0.28;
+}
+
 .workspace-tabs__more,
 .workspace-tabs__theme,
 .workspace-tabs__logout {

src/layouts/WorkspaceTabs.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import type { ComponentType } from 'react';
 import { Dropdown, Tooltip } from 'antd';
 import type { MenuProps } from 'antd';
@@ -11,10 +11,12 @@ import {
   DownOutlined,
   IdcardOutlined,
   KeyOutlined,
+  LeftOutlined,
   LogoutOutlined,
   MoreOutlined,
   MoonFilled,
   MoonOutlined,
+  RightOutlined,
   ShoppingCartOutlined,
   SunOutlined,
   UserOutlined,
@@ -90,6 +92,13 @@ export default function WorkspaceTabs() {
   const { pathname } = useLocation();
   const activePath = normalizePath(pathname);
   const [openedPaths, setOpenedPaths] = useState(() => readOpenedPaths(activePath));
+  const tabsRailRef = useRef<HTMLDivElement>(null);
+  const tabsTrackRef = useRef<HTMLDivElement>(null);
+  const [tabScrollState, setTabScrollState] = useState({
+    hasOverflow: false,
+    canScrollLeft: false,
+    canScrollRight: false,
+  });
 
   const openedTabs = useMemo(
     () =>
@@ -105,10 +114,69 @@ export default function WorkspaceTabs() {
     setOpenedPaths(paths);
   }, []);
 
+  const updateTabScrollState = useCallback(() => {
+    const rail = tabsRailRef.current;
+    const track = tabsTrackRef.current;
+    if (!rail || !track) return;
+
+    const maxScrollLeft = Math.max(0, track.scrollWidth - track.clientWidth);
+    const hasOverflow = track.scrollWidth > rail.clientWidth + 1;
+    const nextState = {
+      hasOverflow,
+      canScrollLeft: hasOverflow && track.scrollLeft > 1,
+      canScrollRight: hasOverflow && track.scrollLeft < maxScrollLeft - 1,
+    };
+
+    setTabScrollState((currentState) =>
+      currentState.hasOverflow === nextState.hasOverflow &&
+      currentState.canScrollLeft === nextState.canScrollLeft &&
+      currentState.canScrollRight === nextState.canScrollRight
+        ? currentState
+        : nextState,
+    );
+  }, []);
+
+  const scrollTabs = useCallback((direction: 'left' | 'right') => {
+    const track = tabsTrackRef.current;
+    if (!track) return;
+
+    const distance = Math.max(180, Math.round(track.clientWidth * 0.7));
+    track.scrollBy({
+      left: direction === 'left' ? -distance : distance,
+      behavior: 'smooth',
+    });
+  }, []);
+
   useEffect(() => {
     saveOpenedPaths(openedPaths);
   }, [openedPaths]);
 
+  useEffect(() => {
+    const rail = tabsRailRef.current;
+    const track = tabsTrackRef.current;
+    if (!rail || !track) return;
+
+    updateTabScrollState();
+
+    const resizeObserver =
+      typeof ResizeObserver === 'undefined' ? null : new ResizeObserver(updateTabScrollState);
+    resizeObserver?.observe(rail);
+    resizeObserver?.observe(track);
+    window.addEventListener('resize', updateTabScrollState);
+
+    return () => {
+      resizeObserver?.disconnect();
+      window.removeEventListener('resize', updateTabScrollState);
+    };
+  }, [openedTabs, updateTabScrollState]);
+
+  useEffect(() => {
+    const track = tabsTrackRef.current;
+    const activeTabElement = track?.querySelector<HTMLElement>('.workspace-tab.is-active');
+    activeTabElement?.scrollIntoView?.({ behavior: 'smooth', block: 'nearest', inline: 'nearest' });
+    updateTabScrollState();
+  }, [activePath, updateTabScrollState]);
+
   const closeTab = useCallback(
     (path: string) => {
       const target = definitionByPath.get(path);
@@ -247,38 +315,74 @@ export default function WorkspaceTabs() {
       <h1 className="workspace-tabs__page-title">{activeTab.title}</h1>
 
       <div className="workspace-tabs__desktop">
-        <div className="workspace-tabs__track" role="tablist" aria-label="已打开页面">
-          {openedTabs.map((tab) => {
-            const Icon = tab.icon;
-            const active = tab.path === activePath;
-            return (
-              <div key={tab.path} className={`workspace-tab${active ? ' is-active' : ''}`}>
-                <button
-                  type="button"
-                  className="workspace-tab__main"
-                  role="tab"
-                  aria-label={tab.title}
-                  aria-selected={active}
-                  title={tab.title}
-                  onClick={() => navigate(tab.path)}
-                >
-                  <Icon />
-                  <span className="workspace-tab__label">{tab.title}</span>
-                </button>
-                {!tab.pinned && (
+        <div ref={tabsRailRef} className="workspace-tabs__rail">
+          {tabScrollState.hasOverflow && (
+            <Tooltip title="向左滚动">
+              <button
+                type="button"
+                className="workspace-tabs__scroll"
+                aria-label="向左滚动已打开页面"
+                disabled={!tabScrollState.canScrollLeft}
+                onClick={() => scrollTabs('left')}
+              >
+                <LeftOutlined />
+              </button>
+            </Tooltip>
+          )}
+
+          <div
+            ref={tabsTrackRef}
+            className="workspace-tabs__track"
+            role="tablist"
+            aria-label="已打开页面"
+            onScroll={updateTabScrollState}
+          >
+            {openedTabs.map((tab) => {
+              const Icon = tab.icon;
+              const active = tab.path === activePath;
+              return (
+                <div key={tab.path} className={`workspace-tab${active ? ' is-active' : ''}`}>
                   <button
                     type="button"
-                    className="workspace-tab__close"
-                    aria-label={`关闭 ${tab.title}`}
-                    title={`关闭 ${tab.title}`}
-                    onClick={() => closeTab(tab.path)}
+                    className="workspace-tab__main"
+                    role="tab"
+                    aria-label={tab.title}
+                    aria-selected={active}
+                    title={tab.title}
+                    onClick={() => navigate(tab.path)}
                   >
-                    <CloseOutlined />
+                    <Icon />
+                    <span className="workspace-tab__label">{tab.title}</span>
                   </button>
-                )}
-              </div>
-            );
-          })}
+                  {!tab.pinned && (
+                    <button
+                      type="button"
+                      className="workspace-tab__close"
+                      aria-label={`关闭 ${tab.title}`}
+                      title={`关闭 ${tab.title}`}
+                      onClick={() => closeTab(tab.path)}
+                    >
+                      <CloseOutlined />
+                    </button>
+                  )}
+                </div>
+              );
+            })}
+          </div>
+
+          {tabScrollState.hasOverflow && (
+            <Tooltip title="向右滚动">
+              <button
+                type="button"
+                className="workspace-tabs__scroll"
+                aria-label="向右滚动已打开页面"
+                disabled={!tabScrollState.canScrollRight}
+                onClick={() => scrollTabs('right')}
+              >
+                <RightOutlined />
+              </button>
+            </Tooltip>
+          )}
         </div>
 
         <Dropdown menu={{ items: actionItems, onClick: handleAction }} trigger={['click']}>