Could you do this programmatically?
UIToolbar UITextField , UISegmentedControl;
UIToolbar *keyboardToolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 44)];
UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithFrame:...
UIBarButtonItem *flexibleSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
UIBarButtonItem *doneButton = [[UIBarButtonItem alloc] initWithTitle:@"Done" style:UIBarButtonItemStylePlain target:self action:@selector(doneButtonPressed)];
[keyboardToolbar setItems:[NSArray arrayWithObjects:flexibleSpace, doneButton, nil]];
[keyboardToolbar addSubview:segmentedControl];
[textField setInputAccessoryView:keyboardToolbar];
EDIT: IB, , , , setInputAccessoryView viewDidLoad.