fixes https://github.com/microsoft/vscode/issues/207014 (#283847)

src/vs/editor/contrib/suggest/browser/suggest.ts

@@ -33,6 +33,7 @@ export const Context = {
 	Visible: historyNavigationVisible,
 	HasFocusedSuggestion: new RawContextKey<boolean>('suggestWidgetHasFocusedSuggestion', false, localize('suggestWidgetHasSelection', "Whether any suggestion is focused")),
 	DetailsVisible: new RawContextKey<boolean>('suggestWidgetDetailsVisible', false, localize('suggestWidgetDetailsVisible', "Whether suggestion details are visible")),
+	DetailsFocused: new RawContextKey<boolean>('suggestWidgetDetailsFocused', false, localize('suggestWidgetDetailsFocused', "Whether the details pane of the suggest widget has focus")),
 	MultipleSuggestions: new RawContextKey<boolean>('suggestWidgetMultipleSuggestions', false, localize('suggestWidgetMultipleSuggestions', "Whether there are multiple suggestions to pick from")),
 	MakesTextEdit: new RawContextKey<boolean>('suggestionMakesTextEdit', true, localize('suggestionMakesTextEdit', "Whether inserting the current suggestion yields in a change or has everything already been typed")),
 	AcceptSuggestionsOnEnter: new RawContextKey<boolean>('acceptSuggestionOnEnter', true, localize('acceptSuggestionOnEnter', "Whether suggestions are inserted when pressing Enter")),

src/vs/editor/contrib/suggest/browser/suggestController.ts

@@ -9,9 +9,7 @@ import { CancellationTokenSource } from '../../../../base/common/cancellation.js
 import { onUnexpectedError, onUnexpectedExternalError } from '../../../../base/common/errors.js';
 import { Emitter, Event } from '../../../../base/common/event.js';
 import { KeyCode, KeyMod } from '../../../../base/common/keyCodes.js';
-import { KeyCodeChord } from '../../../../base/common/keybindings.js';
 import { DisposableStore, dispose, IDisposable, MutableDisposable, toDisposable } from '../../../../base/common/lifecycle.js';
-import * as platform from '../../../../base/common/platform.js';
 import { StopWatch } from '../../../../base/common/stopwatch.js';
 import { assertType, isObject } from '../../../../base/common/types.js';
 import { StableEditorScrollState } from '../../../browser/stableEditorScroll.js';
@@ -214,21 +212,6 @@ export class SuggestController implements IEditorContribution {
 				ctxCanResolve.set(Boolean(item.provider.resolveCompletionItem) || Boolean(item.completion.documentation) || item.completion.detail !== item.completion.label);
 			}));
 
-			this._toDispose.add(widget.onDetailsKeyDown(e => {
-				// cmd + c on macOS, ctrl + c on Win / Linux
-				if (
-					e.toKeyCodeChord().equals(new KeyCodeChord(true, false, false, false, KeyCode.KeyC)) ||
-					(platform.isMacintosh && e.toKeyCodeChord().equals(new KeyCodeChord(false, false, false, true, KeyCode.KeyC)))
-				) {
-					e.stopPropagation();
-					return;
-				}
-
-				if (!e.toKeyCodeChord().isModifierKey()) {
-					this.editor.focus();
-				}
-			}));
-
 			if (this._wantsForceRenderingAbove) {
 				widget.forceRenderingAbove();
 			}
@@ -1126,6 +1109,24 @@ registerEditorCommand(new SuggestCommand({
 }));
 
 
+registerEditorCommand(new class extends EditorCommand {
+	constructor() {
+		super({
+			id: 'suggestWidgetCopy',
+			precondition: SuggestContext.DetailsFocused,
+			kbOpts: {
+				weight: weight + 10,
+				kbExpr: SuggestContext.DetailsFocused,
+				primary: KeyMod.CtrlCmd | KeyCode.KeyC,
+				win: { primary: KeyMod.CtrlCmd | KeyCode.KeyC, secondary: [KeyMod.CtrlCmd | KeyCode.Insert] }
+			}
+		});
+	}
+	runEditorCommand(_accessor: ServicesAccessor, editor: ICodeEditor) {
+		getWindow(editor.getDomNode()).document.execCommand('copy');
+	}
+}());
+
 registerEditorAction(class extends EditorAction {
 
 	constructor() {

src/vs/editor/contrib/suggest/browser/suggestWidget.ts

@@ -130,6 +130,7 @@ export class SuggestWidget implements IDisposable {
 	private readonly _ctxSuggestWidgetDetailsVisible: IContextKey<boolean>;
 	private readonly _ctxSuggestWidgetMultipleSuggestions: IContextKey<boolean>;
 	private readonly _ctxSuggestWidgetHasFocusedSuggestion: IContextKey<boolean>;
+	private readonly _ctxSuggestWidgetDetailsFocused: IContextKey<boolean>;
 
 	private readonly _showTimeout = new TimeoutTimer();
 	private readonly _disposables = new DisposableStore();
@@ -292,6 +293,12 @@ export class SuggestWidget implements IDisposable {
 		this._ctxSuggestWidgetDetailsVisible = SuggestContext.DetailsVisible.bindTo(_contextKeyService);
 		this._ctxSuggestWidgetMultipleSuggestions = SuggestContext.MultipleSuggestions.bindTo(_contextKeyService);
 		this._ctxSuggestWidgetHasFocusedSuggestion = SuggestContext.HasFocusedSuggestion.bindTo(_contextKeyService);
+		this._ctxSuggestWidgetDetailsFocused = SuggestContext.DetailsFocused.bindTo(_contextKeyService);
+
+		const detailsFocusTracker = dom.trackFocus(this._details.widget.domNode);
+		this._disposables.add(detailsFocusTracker);
+		this._disposables.add(detailsFocusTracker.onDidFocus(() => this._ctxSuggestWidgetDetailsFocused.set(true)));
+		this._disposables.add(detailsFocusTracker.onDidBlur(() => this._ctxSuggestWidgetDetailsFocused.set(false)));
 
 		this._disposables.add(dom.addStandardDisposableListener(this._details.widget.domNode, 'keydown', e => {
 			this._onDetailsKeydown.fire(e);