I am trying to have the ability to input Chinese tones directly into text editor in Ubuntu 18.04. I have installed ibus-pinyin and ibus-m17n packages but I cannot find in Region&Language input picker the
hanyu pinyin input method, there is only Chinese, Chinese (Bopomofo), Chinese (Intelligent Pinyin), two WuBi variants and that's it.
What am I doing wrong? Do I need to install something else in 18.04?