Add the possibility to select multiple character sets

[fmonts]

What is your problem
I use 3 languages in my everyday work, while my keyboard is US international.

Describe the solution you'd like
It would be nice if this menu allowed to check multiple languages, and not only one or all:

[LevYas]

Not sure if I got it right, but I use 3 languages too. Russian, English, and Turkish. I want QuickAccent to be active only on the English keyboard so I can use Turkish letters. I don't want QA to be active when the RU keyboard is active.
Hope that makes sense, thanks.