remove question truncation since we allow collapsing

src/vs/workbench/contrib/chat/browser/widget/chatContentParts/chatQuestionCarouselPart.ts

@@ -39,6 +39,7 @@ import './media/chatQuestionCarousel.css';
 
 const PREVIOUS_QUESTION_ACTION_ID = 'workbench.action.chat.previousQuestion';
 const NEXT_QUESTION_ACTION_ID = 'workbench.action.chat.nextQuestion';
+const QUESTION_TITLE_TRUNCATION_THRESHOLD = 200;
 export interface IChatQuestionCarouselOptions {
 	onSubmit: (answers: Map<string, IChatQuestionAnswerValue> | undefined) => void;
 	shouldAutoFocus?: boolean;
@@ -72,6 +73,10 @@ export class ChatQuestionCarouselPart extends Disposable implements IChatContent
 	private _skipAllButton: Button | undefined;
 
 	private _isSkipped = false;
+	private _isQuestionTextExpanded = false;
+	private _expandButton: Button | undefined;
+	private _renderQuestionTitle: ((expanded: boolean) => void) | undefined;
+	private _questionTitleIsLong = false;
 
 	private readonly _textInputBoxes: Map<string, InputBox> = new Map();
 	private readonly _singleSelectItems: Map<string, { items: HTMLElement[]; selectedIndex: number; optionIndices: number[] }> = new Map();
@@ -167,6 +172,14 @@ export class ChatQuestionCarouselPart extends Disposable implements IChatContent
 		collapseButton.element.setAttribute('aria-label', collapseToggleTitle);
 		this._collapseButton = collapseButton;
 
+		// Expand button for showing/hiding full question text
+		const expandButton = interactiveStore.add(new Button(this._headerActionsContainer, { ...defaultButtonStyles, secondary: true, supportIcons: true }));
+		expandButton.element.classList.add('chat-question-collapse-toggle');
+		this._expandButton = expandButton;
+		this._isQuestionTextExpanded = false;
+		this.updateExpandButton();
+		interactiveStore.add(expandButton.onDidClick(() => this.toggleQuestionTextExpanded()));
+
 		// Close/skip button (X) - placed in header row, only shown when allowSkip is true
 		if (carousel.allowSkip) {
 			this._closeButtonContainer = dom.$('.chat-question-close-container');
@@ -312,6 +325,31 @@ export class ChatQuestionCarouselPart extends Disposable implements IChatContent
 		}
 	}
 
+	private toggleQuestionTextExpanded(): void {
+		this._isQuestionTextExpanded = !this._isQuestionTextExpanded;
+		if (this._renderQuestionTitle) {
+			this._renderQuestionTitle(this._isQuestionTextExpanded);
+		}
+		this.updateExpandButton();
+		this._onDidChangeHeight.fire();
+	}
+
+	private updateExpandButton(): void {
+		if (!this._expandButton) {
+			return;
+		}
+		const expanded = this._isQuestionTextExpanded;
+		const label = expanded
+			? localize('chat.questionCarousel.collapseQuestionText', "Collapse Question Text")
+			: localize('chat.questionCarousel.expandQuestionText', "Expand Question Text");
+		this._expandButton.label = expanded
+			? `$(${Codicon.screenNormal.id})`
+			: `$(${Codicon.screenFull.id})`;
+		this._expandButton.element.setAttribute('aria-label', label);
+		this._expandButton.element.setAttribute('aria-expanded', String(expanded));
+		this._expandButton.setTitle(label);
+	}
+
 	/**
 	 * Navigates the carousel by the given delta.
 	 * @param delta Negative for previous, positive for next
@@ -425,6 +463,7 @@ export class ChatQuestionCarouselPart extends Disposable implements IChatContent
 		this._closeButtonContainer = undefined;
 		this._focusTerminalButtonContainer = undefined;
 		this._collapseButton = undefined;
+		this._expandButton = undefined;
 		this._footerRow = undefined;
 		this._stepIndicator = undefined;
 		this._submitHint = undefined;
@@ -664,6 +703,12 @@ export class ChatQuestionCarouselPart extends Disposable implements IChatContent
 		// Clear previous content
 		dom.clearNode(this._questionContainer);
 
+		// Reset expand state for new question
+		this._isQuestionTextExpanded = false;
+		this._renderQuestionTitle = undefined;
+		this._questionTitleIsLong = false;
+		this.updateExpandButton();
+
 		const question = this.carousel.questions[this._currentIndex];
 		if (!question) {
 			return;
@@ -687,20 +732,41 @@ export class ChatQuestionCarouselPart extends Disposable implements IChatContent
 			const title = dom.$('.chat-question-title');
 			const messageContent = this.getQuestionText(questionText);
 			title.setAttribute('aria-label', messageContent);
-			questionRenderStore.add(this._hoverService.setupDelayedHover(title, { content: messageContent }));
 
-			const titleText = question.required
-				? new MarkdownString(`${isMarkdownString(questionText) ? questionText.value : questionText} *`)
-				: (isMarkdownString(questionText) ? MarkdownString.lift(questionText) : new MarkdownString(questionText));
-			const renderedTitle = questionRenderStore.add(this._markdownRendererService.render(titleText));
-			title.appendChild(renderedTitle.element);
+			const isLong = messageContent.length > QUESTION_TITLE_TRUNCATION_THRESHOLD;
+			const renderTitle = (expanded: boolean) => {
+				dom.clearNode(title);
+				const plainTextValue = isMarkdownString(questionText) ? renderAsPlaintext(questionText) : questionText;
+				const collapsedValue = isLong
+					? plainTextValue.slice(0, QUESTION_TITLE_TRUNCATION_THRESHOLD).replace(/\s+\S*$/, '') + '…'
+					: plainTextValue;
+				const md = expanded && isMarkdownString(questionText)
+					? new MarkdownString(
+						question.required ? `${questionText.value} *` : questionText.value,
+						{ isTrusted: questionText.isTrusted, supportThemeIcons: questionText.supportThemeIcons }
+					)
+					: new MarkdownString(question.required ? `${collapsedValue} *` : collapsedValue);
+				const rendered = questionRenderStore.add(this._markdownRendererService.render(md));
+				title.appendChild(rendered.element);
+			};
+
+			renderTitle(this._isQuestionTextExpanded);
+			this._renderQuestionTitle = renderTitle;
+			this._questionTitleIsLong = isLong;
 			titleRow.appendChild(title);
+		} else {
+			this._renderQuestionTitle = undefined;
+			this._questionTitleIsLong = false;
 		}
 
 		headerRow.appendChild(titleRow);
 
 		if (this._headerActionsContainer) {
 			dom.clearNode(this._headerActionsContainer);
+			if (this._expandButton) {
+				this._headerActionsContainer.appendChild(this._expandButton.element);
+				dom.setVisibility(this._questionTitleIsLong, this._expandButton.element);
+			}
 			if (this._focusTerminalButtonContainer) {
 				this._headerActionsContainer.appendChild(this._focusTerminalButtonContainer);
 			}