fixes #35047

src/vs/base/browser/ui/list/listWidget.ts

@@ -247,6 +247,8 @@ class KeyboardController<T> implements IDisposable {
 		onKeyDown.filter(e => e.keyCode === KeyCode.DownArrow).on(this.onDownArrow, this, this.disposables);
 		onKeyDown.filter(e => e.keyCode === KeyCode.PageUp).on(this.onPageUpArrow, this, this.disposables);
 		onKeyDown.filter(e => e.keyCode === KeyCode.PageDown).on(this.onPageDownArrow, this, this.disposables);
+		onKeyDown.filter(e => (platform.isMacintosh ? e.metaKey : e.ctrlKey) && e.keyCode === KeyCode.KEY_A).on(this.onCtrlA, this, this.disposables);
+		onKeyDown.filter(e => e.keyCode === KeyCode.Escape).on(this.onEscape, this, this.disposables);
 	}
 
 	private onEnter(e: StandardKeyboardEvent): void {
@@ -288,6 +290,20 @@ class KeyboardController<T> implements IDisposable {
 		this.view.domNode.focus();
 	}
 
+	private onCtrlA(e: StandardKeyboardEvent): void {
+		e.preventDefault();
+		e.stopPropagation();
+		this.list.setSelection(range(this.list.length));
+		this.view.domNode.focus();
+	}
+
+	private onEscape(e: StandardKeyboardEvent): void {
+		e.preventDefault();
+		e.stopPropagation();
+		this.list.setSelection([]);
+		this.view.domNode.focus();
+	}
+
 	dispose() {
 		this.disposables = dispose(this.disposables);
 	}