I am working on a quicklist editor for Unity (Ubuntu). The (initial) interface contains both disabled optionmenu buttons (right down, the \"+\", and the edit button, upper r
....It turns out there is no other solution than, instead of using the DISABLED state, replacing the button with another image with no button functionality at all, for as long as the button is meant to be disabled. Although it takes a few lines of extra coding, it also gives you the benefit of control on how the disabled button looks. At the same time, I think it is kind of a bug that disabled option buttons are of slightly different color than other disabled buttons.