Find widget search history per editor instance

src/vs/editor/common/config/editorOptions.ts

@@ -1659,7 +1659,7 @@ export interface IEditorFindOptions {
 	/**
 	 * Controls how the find widget search history should be stored
 	 */
-	findSearchHistory?: 'never' | 'workspace';
+	findSearchHistory?: 'never' | 'workspace' | 'editorGroup';
 }
 
 /**
@@ -1727,11 +1727,12 @@ class EditorFind extends BaseEditorOption<EditorOption.find, IEditorFindOptions,
 				},
 				'editor.find.history': {
 					type: 'string',
-					enum: ['never', 'workspace'],
+					enum: ['never', 'workspace', 'editorGroup'],
 					default: typeof product.quality === 'string' && product.quality !== 'stable' ? 'workspace' : 'none',
 					enumDescriptions: [
 						nls.localize('editor.find.history.never', 'Do not store search history from the find widget.'),
 						nls.localize('editor.find.history.workspace', 'Store search history across the active workspace'),
+						nls.localize('editor.find.history.editorGroup', 'Store the search history per editor group'),
 					],
 					description: nls.localize('find.history', "Controls how the find widget history should be stored")
 				}
@@ -1755,7 +1756,7 @@ class EditorFind extends BaseEditorOption<EditorOption.find, IEditorFindOptions,
 			globalFindClipboard: boolean(input.globalFindClipboard, this.defaultValue.globalFindClipboard),
 			addExtraSpaceOnTop: boolean(input.addExtraSpaceOnTop, this.defaultValue.addExtraSpaceOnTop),
 			loop: boolean(input.loop, this.defaultValue.loop),
-			findSearchHistory: stringSet<'never' | 'workspace'>(input.findSearchHistory, this.defaultValue.findSearchHistory, ['never', 'workspace']),
+			findSearchHistory: stringSet<'never' | 'workspace' | 'editorGroup'>(input.findSearchHistory, this.defaultValue.findSearchHistory, ['never', 'workspace', 'editorGroup']),
 		};
 	}
 }

src/vs/editor/contrib/find/browser/findWidget.ts

@@ -186,7 +186,11 @@ export class FindWidget extends Widget implements IOverlayWidget, IVerticalSashL
 		this._contextKeyService = contextKeyService;
 		this._storageService = storageService;
 		this._notificationService = notificationService;
-		this._findWidgetSearchHistory = new FindWidgetSearchHistory(this._storageService);
+		const findSearchHistoryConfig = this._codeEditor.getOption(EditorOption.find).findSearchHistory;
+		this._findWidgetSearchHistory = new FindWidgetSearchHistory(
+			this._storageService,
+			findSearchHistoryConfig === 'editorGroup' ? this._codeEditor : undefined
+		);
 
 		this._ctrlEnterReplaceAllWarningPrompted = !!storageService.getBoolean(ctrlEnterReplaceAllWarningPromptedKey, StorageScope.PROFILE);
 
@@ -970,7 +974,7 @@ export class FindWidget extends Widget implements IOverlayWidget, IVerticalSashL
 			showHistoryHint: () => showHistoryKeybindingHint(this._keybindingService),
 			inputBoxStyles: defaultInputBoxStyles,
 			toggleStyles: defaultToggleStyles,
-			history: findSearchHistoryConfig === 'workspace' ? this._findWidgetSearchHistory : new Set([]),
+			history: findSearchHistoryConfig === 'never' ? new Set([]) : this._findWidgetSearchHistory,
 		}, this._contextKeyService));
 		this._findInput.setRegex(!!this._state.isRegex);
 		this._findInput.setCaseSensitive(!!this._state.matchCase);

src/vs/editor/contrib/find/browser/findWidgetSearchHistory.ts

@@ -5,15 +5,27 @@
 
 import { IHistory } from '../../../../base/common/history.js';
 import { IStorageService, StorageScope, StorageTarget } from '../../../../platform/storage/common/storage.js';
+import { ICodeEditor } from '../../../browser/editorBrowser.js';
 
 export class FindWidgetSearchHistory implements IHistory<string> {
-	public static readonly FIND_HISTORY_KEY = 'workbench.find.history';
+	private static readonly FIND_HISTORY_KEY = 'workbench.find.history';
+	private readonly id: string;
 	private inMemoryValues: Set<string> = new Set();
 
 	constructor(
 		@IStorageService private readonly storageService: IStorageService,
+		codeEditor?: ICodeEditor,
 	) {
 		this.load();
+		if (codeEditor) {
+			this.id = `${FindWidgetSearchHistory.FIND_HISTORY_KEY}.${codeEditor.getId()}`;
+			// The editor id could be re-used, so we need to clean the storage when it gets disposed
+			codeEditor.onDidDispose(() => {
+				this.clear();
+			});
+		} else {
+			this.id = FindWidgetSearchHistory.FIND_HISTORY_KEY;
+		}
 	}
 
 	delete(t: string): boolean {
@@ -50,7 +62,7 @@ export class FindWidgetSearchHistory implements IHistory<string> {
 	load() {
 		let result: [] | undefined;
 		const raw = this.storageService.get(
-			FindWidgetSearchHistory.FIND_HISTORY_KEY,
+			this.id,
 			StorageScope.WORKSPACE
 		);
 
@@ -71,7 +83,7 @@ export class FindWidgetSearchHistory implements IHistory<string> {
 		this.inMemoryValues.forEach(e => elements.push(e));
 		return new Promise<void>(resolve => {
 			this.storageService.store(
-				FindWidgetSearchHistory.FIND_HISTORY_KEY,
+				this.id,
 				JSON.stringify(elements),
 				StorageScope.WORKSPACE,
 				StorageTarget.USER,

src/vs/monaco.d.ts

@@ -4064,7 +4064,7 @@ declare namespace monaco.editor {
 		/**
 		 * Controls how the find widget search history should be stored
 		 */
-		findSearchHistory?: 'never' | 'workspace';
+		findSearchHistory?: 'never' | 'workspace' | 'editorGroup';
 	}
 
 	export type GoToLocationValues = 'peek' | 'gotoAndPeek' | 'goto';