- canceled pinentry
  -> color grey, says "canceled", no details
- decrypt error
  -> color red, says "error", no details
- decrypt success -or- not performed
  - decrypt success
    -> says "suceeded", gives recipients
    - only unknown recipients:
      -> says "N unknown recipients"
    - some recipients known:
      -> lists known recipients
      - some recipients unknown
        -> says "N unknown recipients"
  - verification canceled (possible?)
    -> color grey, says "canceled", no details
  - verification error
    -> color red, says "error", no details
  - verification success
    -> says "succeeded"
    TODO: colors