checkpoint UX and dropdown UI

src/vs/workbench/contrib/void/browser/chatThreadService.ts

@@ -349,36 +349,6 @@ class ChatThreadService extends Disposable implements IChatThreadService {
 
 
 
-	editUserMessageAndStreamResponse: IChatThreadService['editUserMessageAndStreamResponse'] = async ({ userMessage, messageIdx, threadId }) => {
-
-		const thread = this.state.allThreads[threadId]
-		if (!thread) return // should never happen
-
-		if (thread.messages?.[messageIdx]?.role !== 'user') {
-			throw new Error(`Error: editing a message with role !=='user'`)
-		}
-
-		// get prev and curr selections before clearing the message
-		const currSelns = thread.messages[messageIdx].state.stagingSelections || [] // staging selections for the edited message
-
-		// clear messages up to the index
-		const slicedMessages = thread.messages.slice(0, messageIdx)
-		this._setState({
-			allThreads: {
-				...this.state.allThreads,
-				[thread.id]: {
-					...thread,
-					messages: slicedMessages
-				}
-			}
-		}, true)
-
-		// re-add the message and stream it
-		this.addUserMessageAndStreamResponse({ userMessage, _chatSelections: currSelns, threadId })
-
-	}
-
-
 	private _currentModelSelectionProps = () => {
 		// these settings should not change throughout the loop (eg anthropic breaks if you change its thinking mode and it's using tools)
 		const featureName: FeatureName = 'Chat'
@@ -883,7 +853,7 @@ class ChatThreadService extends Disposable implements IChatThreadService {
 		const [_, toIdx] = c
 		if (toIdx === fromIdx) return
 
-		// console.log(`going from ${fromIdx} to ${toIdx}`)
+		console.log(`going from ${fromIdx} to ${toIdx}`)
 
 		// update the user's checkpoint
 		this._addUserModificationsToCurrCheckpoint({ threadId })
@@ -895,15 +865,14 @@ A,B,C are all files.
 x means a checkpoint where the file changed.
 
 A B C D E F G H I
-x x x x x x x x x
-| | | | | | | | |
-x | | | | | | | x
----x-|-|-|-x-|-x-|-----     <-- to
- x | | | | | x
-   | | x x |
-   | |   | |
--------x-|---x-x-------     <-- from
-	 x
+  x x x x x   x           <-- you can't always go up to find the "before" version; sometimes you need to go down
+  | | | | |   | x
+--x-|-|-|-x---x-|-----     <-- to
+	| | | | x   x
+	| | x x |
+	| |   | |
+----x-|---x-x-------     <-- from
+	  x
 
 We need to revert anything that happened between to+1 and from.
 **We do this by finding the last x from 0...`to` for each file and applying those contents.**
@@ -911,9 +880,19 @@ We only need to do it for files that were edited since `to`, ie files between to
 */
 		if (toIdx < fromIdx) {
 			const { lastIdxOfURI } = this._getCheckpointsBetween({ threadId, loIdx: toIdx + 1, hiIdx: fromIdx })
+
+			const idxes = function* () {
+				for (let k = toIdx; k >= 0; k -= 1) { // first go up
+					yield k
+				}
+				for (let k = toIdx + 1; k < thread.messages.length; k += 1) { // then go down
+					yield k
+				}
+			}
+
 			for (const fsPath in lastIdxOfURI) {
-				// apply lowest down content for each uri (or original if not found)
-				for (let k = toIdx; k >= 0; k -= 1) {
+				// find the first instance of this file starting at toIdx (go up to latest file; if there is none, go down)
+				for (const k of idxes()) {
 					const message = thread.messages[k]
 					if (message.role !== 'checkpoint') continue
 					const res = this._getCheckpointInfo(message, fsPath, { includeUserModifiedChanges: jumpToUserModified })
@@ -929,16 +908,16 @@ We only need to do it for files that were edited since `to`, ie files between to
 		/*
 if redoing
 
-A B C D E F G H I
-x x x x x x x x x
-| | | | | | | | |
-x | | | | | | | x
----x-|-|-|-x-|-x-|-----     <-- from
- x | | | | | x
-   | | x x |
-   | |   | |
--------x-|---x-x-------     <-- to
-	 x
+A B C D E F G H I J
+  x x x x x   x     x
+  | | | | |   | x x x
+--x-|-|-|-x---x-|-|---     <-- from
+	| | | | x   x
+	| | x x |
+	| |   | |
+----x-|---x-x-----|---     <-- to
+	  x           x
+
 
 We need to apply latest change for anything that happened between from+1 and to.
 We only need to do it for files that were edited since `from`, ie files between from+1...to.
@@ -954,7 +933,6 @@ We only need to do it for files that were edited since `from`, ie files between
 					if (!res) continue
 					const { voidFileSnapshot } = res
 					if (!voidFileSnapshot) continue
-
 					this._editCodeService.restoreVoidFileSnapshot(URI.file(fsPath), voidFileSnapshot)
 					break
 				}
@@ -1003,11 +981,15 @@ We only need to do it for files that were edited since `from`, ie files between
 		})
 	}
 
-	async addUserMessageAndStreamResponse({ userMessage, _chatSelections, threadId }: { userMessage: string, _chatSelections?: StagingSelectionItem[], threadId: string }) {
+	dismissStreamError(threadId: string): void {
+		this._setStreamState(threadId, { error: undefined }, 'merge')
+	}
+
+
+	private async _addUserMessageAndStreamResponse({ userMessage, _chatSelections, threadId }: { userMessage: string, _chatSelections?: StagingSelectionItem[], threadId: string }) {
 		const thread = this.state.allThreads[threadId]
 		if (!thread) return // should never happen
 
-
 		const llmCancelToken = this.streamState[threadId]?.streamingToken // currently streaming LLM on this thread
 		if (llmCancelToken === undefined && this.streamState[threadId]?.isRunning === 'LLM') {
 			// if about to call the other LLM, just wait for it by stopping right now
@@ -1016,14 +998,11 @@ We only need to do it for files that were edited since `from`, ie files between
 		// stop it (this simply resolves the promise to free up space)
 		if (llmCancelToken !== undefined) this._llmMessageService.abort(llmCancelToken)
 
-
-
 		// add dummy before this message to keep checkpoint before user message idea consistent
 		if (thread.messages.length === 0) {
 			this._addUserCheckpoint({ threadId })
 		}
 
-
 		const { chatMode } = this._settingsService.state.globalSettings
 
 		// add user's message to chat history
@@ -1043,11 +1022,61 @@ We only need to do it for files that were edited since `from`, ie files between
 		)
 	}
 
-	dismissStreamError(threadId: string): void {
-		this._setStreamState(threadId, { error: undefined }, 'merge')
+
+	async addUserMessageAndStreamResponse({ userMessage, _chatSelections, threadId }: { userMessage: string, _chatSelections?: StagingSelectionItem[], threadId: string }) {
+		const thread = this.state.allThreads[threadId];
+		if (!thread) return
+
+		// if there's a current checkpoint, delete all messages after it
+		if (thread.state.currCheckpointIdx !== null) {
+			const checkpointIdx = thread.state.currCheckpointIdx;
+			const newMessages = thread.messages.slice(0, checkpointIdx + 1);
+
+			// Update the thread with truncated messages
+			const newThreads = {
+				...this.state.allThreads,
+				[threadId]: {
+					...thread,
+					lastModified: new Date().toISOString(),
+					messages: newMessages,
+				}
+			};
+			this._storeAllThreads(newThreads);
+			this._setState({ allThreads: newThreads }, true);
+		}
+
+		// Now call the original method to add the user message and stream the response
+		await this._addUserMessageAndStreamResponse({ userMessage, _chatSelections, threadId });
+
 	}
 
+	editUserMessageAndStreamResponse: IChatThreadService['editUserMessageAndStreamResponse'] = async ({ userMessage, messageIdx, threadId }) => {
 
+		const thread = this.state.allThreads[threadId]
+		if (!thread) return // should never happen
+
+		if (thread.messages?.[messageIdx]?.role !== 'user') {
+			throw new Error(`Error: editing a message with role !=='user'`)
+		}
+
+		// get prev and curr selections before clearing the message
+		const currSelns = thread.messages[messageIdx].state.stagingSelections || [] // staging selections for the edited message
+
+		// clear messages up to the index
+		const slicedMessages = thread.messages.slice(0, messageIdx)
+		this._setState({
+			allThreads: {
+				...this.state.allThreads,
+				[thread.id]: {
+					...thread,
+					messages: slicedMessages
+				}
+			}
+		}, true)
+
+		// re-add the message and stream it
+		this._addUserMessageAndStreamResponse({ userMessage, _chatSelections: currSelns, threadId })
+	}
 
 	// ---------- the rest ----------
 

src/vs/workbench/contrib/void/browser/editCodeService.ts

@@ -258,6 +258,22 @@ class EditCodeService extends Disposable implements IEditCodeService {
 			this._realignAllDiffAreasLines(uri, change.text, change.range)
 		}
 		this._refreshStylesAndDiffsInURI(uri)
+
+		// if diffarea has no diffs after a user edit, delete it
+		const diffAreasToDelete: DiffZone[] = []
+		for (const diffareaid of this.diffAreasOfURI[uri.fsPath] ?? []) {
+			const diffArea = this.diffAreaOfId[diffareaid] ?? null
+			const shouldDelete = diffArea?.type === 'DiffZone' && Object.keys(diffArea._diffOfId).length === 0
+			if (shouldDelete) {
+				diffAreasToDelete.push(diffArea)
+			}
+		}
+		if (diffAreasToDelete.length !== 0) {
+			const { onFinishEdit } = this._addToHistory(uri)
+			diffAreasToDelete.forEach(da => this._deleteDiffZone(da))
+			onFinishEdit()
+		}
+
 	}
 
 

src/vs/workbench/contrib/void/browser/react/src/sidebar-tsx/SidebarChat.tsx

@@ -1949,10 +1949,14 @@ const Checkpoint = ({ message, threadId, messageIdx, isCheckpointGhost, threadIs
 			style={{ position: 'relative', display: 'inline-block' }} // allow absolute icon
 			onClick={() => {
 				if (threadIsRunning) return
-				chatThreadService.jumpToCheckpointBeforeMessageIdx({ threadId, messageIdx, jumpToUserModified: true })
+				chatThreadService.jumpToCheckpointBeforeMessageIdx({
+					threadId,
+					messageIdx,
+					jumpToUserModified: messageIdx === (chatThreadService.state.allThreads[threadId]?.messages.length ?? 0) - 1
+				})
 			}}
 		>
-                    Checkpoint
+			Checkpoint
 		</div>
 	</div>
 }

src/vs/workbench/contrib/void/browser/react/src/styles.css

@@ -11,7 +11,7 @@
 	--void-bg-1: var(--vscode-input-background);
 	--void-bg-1-alt: var(--vscode-badge-background);
 	--void-bg-2: var(--vscode-sideBar-background);
-	--void-bg-2-alt: color-mix(in srgb, var(--vscode-sideBar-background) 30%, var(--vscode-editor-background) 70%);
+	--void-bg-2-alt: color-mix(in srgb, var(--vscode-editor-background) 30%, var(--vscode-sideBar-background) 70%);
 	--void-bg-3: var(--vscode-editor-background);
 
 	--void-fg-0: color-mix(in srgb, var(--vscode-tab-activeForeground) 90%, black 10%);

src/vs/workbench/contrib/void/browser/react/src/util/inputs.tsx

@@ -664,57 +664,60 @@ export const VoidCustomDropdownBox = <T extends NonNullable<any>>({
 			{isOpen && (
 				<div
 					ref={refs.setFloating}
-					className="z-10 bg-void-bg-1 border-void-border-1 border overflow-hidden rounded shadow-lg"
+					className="z-10 bg-void-bg-1 border-void-border-3 border rounded shadow-lg"
 					style={{
 						position: strategy,
 						top: y ?? 0,
 						left: x ?? 0,
-						width: matchInputWidth
+						width: (matchInputWidth
 							? (refs.reference.current instanceof HTMLElement ? refs.reference.current.offsetWidth : 0)
 							: Math.max(
 								(refs.reference.current instanceof HTMLElement ? refs.reference.current.offsetWidth : 0),
 								(measureRef.current instanceof HTMLElement ? measureRef.current.offsetWidth : 0)
-							),
+							))
 					}}
-				>
-					{options.map((option) => {
-						const thisOptionIsSelected = getOptionsEqual(option, selectedOption);
-						const optionName = getOptionDropdownName(option);
-						const optionDetail = getOptionDropdownDetail?.(option) || '';
+					onWheel={(e) => e.stopPropagation()}
+				><div className='overflow-auto max-h-80'>
 
-						return (
-							<div
-								key={optionName}
-								className={`flex items-center px-2 py-1 cursor-pointer whitespace-nowrap
+						{options.map((option) => {
+							const thisOptionIsSelected = getOptionsEqual(option, selectedOption);
+							const optionName = getOptionDropdownName(option);
+							const optionDetail = getOptionDropdownDetail?.(option) || '';
+
+							return (
+								<div
+									key={optionName}
+									className={`flex items-center px-2 py-1 pr-4 cursor-pointer whitespace-nowrap
 									transition-all duration-100
-									bg-void-bg-1
-									${thisOptionIsSelected ? 'bg-void-bg-2' : 'hover:bg-void-bg-2'}
+									${thisOptionIsSelected ? 'bg-void-bg-2' : 'bg-void-bg-2-alt hover:bg-void-bg-2'}
 								`}
-								onClick={() => {
-									onChangeOption(option);
-									setIsOpen(false);
-								}}
-							>
-								<div className="w-4 flex justify-center flex-shrink-0">
-									{thisOptionIsSelected && (
-										<svg className="size-3" viewBox="0 0 12 12" fill="none">
-											<path
-												d="M10 3L4.5 8.5L2 6"
-												stroke="currentColor"
-												strokeWidth="1.5"
-												strokeLinecap="round"
-												strokeLinejoin="round"
-											/>
-										</svg>
-									)}
+									onClick={() => {
+										onChangeOption(option);
+										setIsOpen(false);
+									}}
+								>
+									<div className="w-4 flex justify-center flex-shrink-0">
+										{thisOptionIsSelected && (
+											<svg className="size-3" viewBox="0 0 12 12" fill="none">
+												<path
+													d="M10 3L4.5 8.5L2 6"
+													stroke="currentColor"
+													strokeWidth="1.5"
+													strokeLinecap="round"
+													strokeLinejoin="round"
+												/>
+											</svg>
+										)}
+									</div>
+									<span className="flex justify-between w-full">
+										<span>{optionName}</span>
+										<span className='text-void-fg-4 opacity-60'>{optionDetail}</span>
+									</span>
 								</div>
-								<span className="flex justify-between w-full">
-									<span>{optionName}</span>
-									<span className='text-void-fg-4 opacity-60'>{optionDetail}</span>
-								</span>
-							</div>
-						);
-					})}
+							);
+						})}
+					</div>
+
 				</div>
 			)}
 		</div>

src/vs/workbench/contrib/void/browser/react/src/void-onboarding/VoidOnboarding.tsx

@@ -510,7 +510,7 @@ const VoidOnboardingContent = () => {
 			content={<div className='flex flex-col items-center -translate-y-[20vh]'>
 				{/* <div className="text-5xl text-center mb-8">AI Preferences</div> */}
 
-				<div className="text-4xl text-void-fg-2 mb-8 text-center">What are you looking for in an AI model?</div>
+				<div className="text-4xl text-void-fg-2 mb-8 text-center">Model Preferences</div>
 
 
 				<div className="grid grid-cols-1 md:grid-cols-3 gap-6 w-full max-w-[800px] mx-auto mt-8">
@@ -520,7 +520,7 @@ const VoidOnboardingContent = () => {
 					>
 						<div className="flex items-center mb-3">
 							<Brain size={24} className="text-void-fg-2 mr-2" />
-							<div className="text-lg font-medium text-void-fg-1">Intelligence</div>
+							<div className="text-lg font-medium text-void-fg-1">Intelligent</div>
 						</div>
 						<div className="text-sm text-void-fg-2 text-left">{basicDescOfWantToUseOption['smart']}</div>
 					</button>
@@ -531,7 +531,7 @@ const VoidOnboardingContent = () => {
 					>
 						<div className="flex items-center mb-3">
 							<Lock size={24} className="text-void-fg-2 mr-2" />
-							<div className="text-lg font-medium text-void-fg-1">Privacy</div>
+							<div className="text-lg font-medium text-void-fg-1">Private</div>
 						</div>
 						<div className="text-sm text-void-fg-2 text-left">{basicDescOfWantToUseOption['private']}</div>
 					</button>
@@ -542,7 +542,7 @@ const VoidOnboardingContent = () => {
 					>
 						<div className="flex items-center mb-3">
 							<DollarSign size={24} className="text-void-fg-2 mr-2" />
-							<div className="text-lg font-medium text-void-fg-1">Affordability</div>
+							<div className="text-lg font-medium text-void-fg-1">Affordable</div>
 						</div>
 						<div className="text-sm text-void-fg-2 text-left">{basicDescOfWantToUseOption['cheap']}</div>
 					</button>

src/vs/workbench/contrib/void/browser/react/src/void-settings-tsx/ModelDropdown.tsx

@@ -44,37 +44,6 @@ const ModelSelectBox = ({ options, featureName, className }: { options: ModelOpt
 		matchInputWidth={false}
 	/>
 }
-// const ModelSelectBox = ({ options, featureName }: { options: ModelOption[], featureName: FeatureName }) => {
-// 	const accessor = useAccessor()
-
-// 	const voidSettingsService = accessor.get('IVoidSettingsService')
-
-// 	let weChangedText = false
-
-// 	return <VoidSelectBox
-// 		className='@@[&_select]:!void-text-xs text-void-fg-3'
-// 		options={options}
-// 		onChangeSelection={useCallback((newVal: ModelSelection) => {
-// 			if (weChangedText) return
-// 			voidSettingsService.setModelSelectionOfFeature(featureName, newVal)
-// 		}, [voidSettingsService, featureName])}
-// 		// we are responsible for setting the initial state here. always sync instance when state changes.
-// 		onCreateInstance={useCallback((instance: SelectBox) => {
-// 			const syncInstance = () => {
-// 				const modelsListRef = voidSettingsService.state._modelOptions // as a ref
-// 				const settingsAtProvider = voidSettingsService.state.modelSelectionOfFeature[featureName]
-// 				const selectionIdx = settingsAtProvider === null ? -1 : modelsListRef.findIndex(v => modelSelectionsEqual(v.value, settingsAtProvider))
-// 				weChangedText = true
-// 				instance.select(selectionIdx === -1 ? 0 : selectionIdx)
-// 				weChangedText = false
-// 			}
-// 			syncInstance()
-// 			const disposable = voidSettingsService.onDidChangeState(syncInstance)
-// 			return [disposable]
-// 		}, [voidSettingsService, featureName])}
-// 	/>
-// }
-
 
 
 const MemoizedModelDropdown = ({ featureName, className }: { featureName: FeatureName, className: string }) => {