public void acquireFocus() {
		Component focusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner();
		Component content = getCurrentDockable();
		while (focusOwner != null && focusOwner != content) {
			focusOwner = focusOwner.getParent();
		}
		if (focusOwner == null) {
			EventQueue.invokeLater(() -> transferFocus());
		}
	}