gistfile1.m

- (void)reloadInterfaceFromTextField;
{
    self.keyboardAttributes = [(id)self.textField performSelectorIfResponds:SDProtocolSelector(SQCustomKeyboardTextField, keyboardAttributes)] ?: [self defaultKeyboardAttributes];
    
    NSString *returnKeyTitle = [self _returnKeyTitle];
    [self.currentContentView.returnButton setTitle:returnKeyTitle forState:UIControlStateNormal];
    if (returnKeyTitle.length) {
        // Sometimes the title will be cleared for visual effect, in which case we won't want to delete the accessibility hint from the xib.
        self.currentContentView.returnButton.accessibilityLabel = returnKeyTitle;
    }
    
    BOOL enabled = (self.textField.enablesReturnKeyAutomatically ? self.textField.text.length > 0 : YES);
    self.currentContentView.returnButton.enabled = enabled;
}