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fix: avoid auto-scroll while reading history (#61)

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matevip 2026-05-05 11:12:38 +08:00
parent 2ab0bd000b
commit 32fe582b82
1 changed files with 14 additions and 4 deletions
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18
mateclaw-ui/src/composables/chat/useStickToBottom.ts
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@ -96,9 +96,12 @@ export function useStickToBottom(
// 等待滚动完成 // 等待滚动完成
await new Promise<void>((resolve) => { await new Promise<void>((resolve) => {
const startedAt = performance.now()
const checkScrollEnd = () => { const checkScrollEnd = () => {
if (Math.abs(element.scrollTop - targetScrollTop) < 1) { if (!isScrolling || Math.abs(element.scrollTop - targetScrollTop) < 1
|| performance.now() - startedAt > opts.duration * 2) {
isScrolling = false isScrolling = false
lastScrollTop = element.scrollTop
resolve() resolve()
} else { } else {
requestAnimationFrame(checkScrollEnd) requestAnimationFrame(checkScrollEnd)
@ -110,6 +113,7 @@ export function useStickToBottom(
// 直接滚动 // 直接滚动
element.scrollTop = targetScrollTop element.scrollTop = targetScrollTop
isScrolling = false isScrolling = false
lastScrollTop = element.scrollTop
} }
isAtBottom.value = true isAtBottom.value = true
@ -123,7 +127,11 @@ export function useStickToBottom(
// 处理滚动事件 // 处理滚动事件
const handleScroll = () => { const handleScroll = () => {
if (!scrollRef.value || isScrolling) return if (!scrollRef.value) return
if (isScrolling) {
lastScrollTop = scrollRef.value.scrollTop
return
}
const element = scrollRef.value const element = scrollRef.value
const currentScrollTop = element.scrollTop const currentScrollTop = element.scrollTop
@ -141,7 +149,7 @@ export function useStickToBottom(
} }
// 向下滚动到底部，恢复自动滚动 // 向下滚动到底部，恢复自动滚动
if (isScrollingDown && isNearBottom.value) { if ((isScrollingDown || checkIsAtBottom()) && isNearBottom.value) {
escapedFromLock.value = false escapedFromLock.value = false
isAtBottom.value = true isAtBottom.value = true
} }
@ -149,11 +157,13 @@ export function useStickToBottom(
// 处理鼠标滚轮 // 处理鼠标滚轮
const handleWheel = (e: WheelEvent) => { const handleWheel = (e: WheelEvent) => {
if (!scrollRef.value || !escapedFromLock.value) return if (!scrollRef.value) return
// 如果用户向上滚动，确保我们记录这个行为 // 如果用户向上滚动，确保我们记录这个行为
if (e.deltaY < 0) { if (e.deltaY < 0) {
isScrolling = false
escapedFromLock.value = true escapedFromLock.value = true
isAtBottom.value = false
} }
} }