Fix #83850

Intercept ctrl+A on the settings page so it won't select the full page text

src/vs/workbench/contrib/preferences/browser/settingsEditor2.ts

@@ -4,13 +4,18 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as DOM from 'vs/base/browser/dom';
+import { StandardKeyboardEvent } from 'vs/base/browser/keyboardEvent';
+import { ActionBar } from 'vs/base/browser/ui/actionbar/actionbar';
 import { ITreeElement } from 'vs/base/browser/ui/tree/tree';
+import { Action } from 'vs/base/common/actions';
 import * as arrays from 'vs/base/common/arrays';
 import { Delayer, ThrottledDelayer, timeout } from 'vs/base/common/async';
 import { CancellationToken, CancellationTokenSource } from 'vs/base/common/cancellation';
 import * as collections from 'vs/base/common/collections';
 import { getErrorMessage, isPromiseCanceledError } from 'vs/base/common/errors';
 import { Iterator } from 'vs/base/common/iterator';
+import { KeyCode } from 'vs/base/common/keyCodes';
+import * as platform from 'vs/base/common/platform';
 import * as strings from 'vs/base/common/strings';
 import { isArray, withNullAsUndefined, withUndefinedAsNull } from 'vs/base/common/types';
 import { URI } from 'vs/base/common/uri';
@@ -36,13 +41,11 @@ import { AbstractSettingRenderer, ISettingLinkClickEvent, ISettingOverrideClickE
 import { ISettingsEditorViewState, parseQuery, SearchResultIdx, SearchResultModel, SettingsTreeElement, SettingsTreeGroupChild, SettingsTreeGroupElement, SettingsTreeModel, SettingsTreeSettingElement } from 'vs/workbench/contrib/preferences/browser/settingsTreeModels';
 import { settingsTextInputBorder } from 'vs/workbench/contrib/preferences/browser/settingsWidgets';
 import { createTOCIterator, TOCTree, TOCTreeModel } from 'vs/workbench/contrib/preferences/browser/tocTree';
-import { CONTEXT_SETTINGS_EDITOR, CONTEXT_SETTINGS_SEARCH_FOCUS, CONTEXT_TOC_ROW_FOCUS, EXTENSION_SETTING_TAG, IPreferencesSearchService, ISearchProvider, MODIFIED_SETTING_TAG, SETTINGS_EDITOR_COMMAND_SHOW_CONTEXT_MENU, SETTINGS_EDITOR_COMMAND_CLEAR_SEARCH_RESULTS } from 'vs/workbench/contrib/preferences/common/preferences';
+import { CONTEXT_SETTINGS_EDITOR, CONTEXT_SETTINGS_SEARCH_FOCUS, CONTEXT_TOC_ROW_FOCUS, EXTENSION_SETTING_TAG, IPreferencesSearchService, ISearchProvider, MODIFIED_SETTING_TAG, SETTINGS_EDITOR_COMMAND_CLEAR_SEARCH_RESULTS, SETTINGS_EDITOR_COMMAND_SHOW_CONTEXT_MENU } from 'vs/workbench/contrib/preferences/common/preferences';
 import { IEditorGroupsService } from 'vs/workbench/services/editor/common/editorGroupsService';
 import { IPreferencesService, ISearchResult, ISettingsEditorModel, ISettingsEditorOptions, SettingsEditorOptions, SettingValueType } from 'vs/workbench/services/preferences/common/preferences';
 import { SettingsEditor2Input } from 'vs/workbench/services/preferences/common/preferencesEditorInput';
 import { Settings2EditorModel } from 'vs/workbench/services/preferences/common/preferencesModels';
-import { Action } from 'vs/base/common/actions';
-import { ActionBar } from 'vs/base/browser/ui/actionbar/actionbar';
 
 function createGroupIterator(group: SettingsTreeGroupElement): Iterator<ITreeElement<SettingsTreeGroupChild>> {
 	const groupsIt = Iterator.fromArray(group.children);
@@ -212,6 +215,7 @@ export class SettingsEditor2 extends BaseEditor {
 
 		this.createHeader(this.rootElement);
 		this.createBody(this.rootElement);
+		this.addCtrlAInterceptor(this.rootElement);
 		this.updateStyles();
 	}
 
@@ -587,6 +591,21 @@ export class SettingsEditor2 extends BaseEditor {
 		);
 	}
 
+	private addCtrlAInterceptor(container: HTMLElement): void {
+		this._register(DOM.addStandardDisposableListener(container, DOM.EventType.KEY_DOWN, (e: StandardKeyboardEvent) => {
+			if (
+				e.keyCode === KeyCode.KEY_A &&
+				(platform.isMacintosh ? e.metaKey : e.ctrlKey) &&
+				e.target.tagName !== 'TEXTAREA' &&
+				e.target.tagName !== 'INPUT'
+			) {
+				// Avoid browser ctrl+a
+				e.browserEvent.stopPropagation();
+				e.browserEvent.preventDefault();
+			}
+		}));
+	}
+
 	private createFocusSink(container: HTMLElement, callback: (e: any) => boolean, label: string): HTMLElement {
 		const listFocusSink = DOM.append(container, $('.settings-tree-focus-sink'));
 		listFocusSink.setAttribute('aria-label', label);