Massimo Valentini authored Dec 29, 2017 and Michael Natterer committed Mar 18, 2018

...only remembers horizontal radius, duplicates it for vertical

Keep a list of the GUI's chain buttons around. When changing the
entire config object like on reset or selecting saved settings, unlik
them all after remembering their "active" state, and after changing
the settings activate the ones that were active before, but only if
the values they link are still the same.