Fix #68018 - the list.select command should open the element with preserveFocus=false

src/vs/platform/list/browser/listService.ts

@@ -655,6 +655,17 @@ export interface IResourceResultsNavigationOptions {
 	openOnFocus: boolean;
 }
 
+export interface SelectionKeyboardEvent extends KeyboardEvent {
+	preserveFocus?: boolean;
+}
+
+export function getSelectionKeyboardEvent(typeArg: string, preserveFocus?: boolean): SelectionKeyboardEvent {
+	const e = new KeyboardEvent(typeArg);
+	(<SelectionKeyboardEvent>e).preserveFocus = preserveFocus;
+
+	return e;
+}
+
 export class TreeResourceNavigator2<T, TFilterData> extends Disposable {
 
 	private readonly _onDidOpenResource = new Emitter<IOpenEvent<T | null>>();
@@ -697,10 +708,13 @@ export class TreeResourceNavigator2<T, TFilterData> extends Disposable {
 		}
 
 		const isDoubleClick = e.browserEvent.detail === 2;
+		const preserveFocus = (e.browserEvent instanceof KeyboardEvent && typeof (<SelectionKeyboardEvent>e.browserEvent).preserveFocus === 'boolean') ?
+			!!(<SelectionKeyboardEvent>e.browserEvent).preserveFocus :
+			!isDoubleClick;
 
 		if (this.tree.openOnSingleClick || isDoubleClick) {
 			const sideBySide = e.browserEvent instanceof MouseEvent && (e.browserEvent.ctrlKey || e.browserEvent.metaKey || e.browserEvent.altKey);
-			this.open(!isDoubleClick, isDoubleClick, sideBySide);
+			this.open(preserveFocus, isDoubleClick, sideBySide);
 		}
 	}
 

src/vs/workbench/browser/actions/listCommands.ts

@@ -7,7 +7,7 @@ import { KeyMod, KeyCode } from 'vs/base/common/keyCodes';
 import { ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
 import { KeybindingsRegistry, KeybindingWeight } from 'vs/platform/keybinding/common/keybindingsRegistry';
 import { List } from 'vs/base/browser/ui/list/listWidget';
-import { WorkbenchListFocusContextKey, IListService, WorkbenchListSupportsMultiSelectContextKey, ListWidget, WorkbenchListHasSelectionOrFocus } from 'vs/platform/list/browser/listService';
+import { WorkbenchListFocusContextKey, IListService, WorkbenchListSupportsMultiSelectContextKey, ListWidget, WorkbenchListHasSelectionOrFocus, getSelectionKeyboardEvent } from 'vs/platform/list/browser/listService';
 import { PagedList } from 'vs/base/browser/ui/list/listPaging';
 import { range } from 'vs/base/common/arrays';
 import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
@@ -579,7 +579,7 @@ KeybindingsRegistry.registerCommandAndKeybindingRule({
 		// ObjectTree
 		else if (focused instanceof ObjectTree || focused instanceof DataTree || focused instanceof AsyncDataTree) {
 			const list = focused;
-			const fakeKeyboardEvent = new KeyboardEvent('keydown');
+			const fakeKeyboardEvent = getSelectionKeyboardEvent('keydown', false);
 			list.setSelection(list.getFocus(), fakeKeyboardEvent);
 			list.open(list.getFocus());
 		}