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feat(tui): show scrollbar on hover in chat history #6155

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feat(tui): show scrollbar on hover in chat history #6155

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b4157df
feat(tui): show scrollbar on hover in chat history
Marve10s Dec 25, 2025
8291bcd
Merge branch 'dev' into feat/hover-scrollbar-chat-history
Marve10s Dec 26, 2025
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34 changes: 30 additions & 4 deletions packages/opencode/src/cli/cmd/tui/routes/session/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -125,9 +125,16 @@ export function Session() {
const [showTimestamps, setShowTimestamps] = createSignal(kv.get("timestamps", "hide") === "show")
const [usernameVisible, setUsernameVisible] = createSignal(kv.get("username_visible", true))
const [showDetails, setShowDetails] = createSignal(kv.get("tool_details_visibility", true))
const [showScrollbar, setShowScrollbar] = createSignal(kv.get("scrollbar_visible", false))
const [showScrollbar, setShowScrollbar] = createSignal(kv.get("scrollbar_visible", true))
const [userMessageMarkdown, setUserMessageMarkdown] = createSignal(kv.get("user_message_markdown", true))
const [diffWrapMode, setDiffWrapMode] = createSignal<"word" | "none">("word")
const [leftColumnHover, setLeftColumnHover] = createSignal(false)
const [canScroll, setCanScroll] = createSignal(false)

const scrollbarVisible = createMemo(() => {
if (!showScrollbar()) return false
return canScroll() && leftColumnHover()
})

const wide = createMemo(() => dimensions().width > 120)
const sidebarVisible = createMemo(() => {
Expand Down Expand Up @@ -202,6 +209,16 @@ export function Session() {
let prompt: PromptRef
const keybind = useKeybind()

createEffect(() => {
messages()
leftColumnHover()
if (scroll) {
setTimeout(() => {
setCanScroll(scroll.scrollHeight > scroll.height)
}, 0)
}
})

// Helper: Find next visible message boundary in direction
const findNextVisibleMessage = (direction: "next" | "prev"): string | null => {
const children = scroll.getChildren()
Expand Down Expand Up @@ -960,19 +977,28 @@ export function Session() {
}}
>
<box flexDirection="row">
<box flexGrow={1} paddingBottom={1} paddingTop={1} paddingLeft={2} paddingRight={2} gap={1}>
<box
flexGrow={1}
paddingBottom={1}
paddingTop={1}
paddingLeft={2}
paddingRight={2}
gap={1}
onMouseOver={() => setLeftColumnHover(true)}
onMouseOut={() => setLeftColumnHover(false)}
>
<Show when={session()}>
<Show when={!sidebarVisible()}>
<Header />
</Show>
<scrollbox
ref={(r) => (scroll = r)}
viewportOptions={{
paddingRight: showScrollbar() ? 1 : 0,
paddingRight: scrollbarVisible() ? 1 : 0,
}}
verticalScrollbarOptions={{
paddingLeft: 1,
visible: showScrollbar(),
visible: scrollbarVisible(),
trackOptions: {
backgroundColor: theme.backgroundElement,
foregroundColor: theme.border,
Expand Down