Something

menu * {
  ChanStats: chanstats
}
dialog join {
  title "Channel Statistics"
  size -1 -1 177 80
  option dbu
  button "Close", 1, 134 62 37 12, ok
  text "Channel Modes:", 5, 7 4 40 8
  edit "", 2, 51 3 120 10, read
  text "Channel Users", 6, 7 16 36 8
  edit "Total", 7, 47 15 124 10, read
  edit "Op", 8, 134 26 37 10, read
  text "@", 9, 126 27 6 8
  text "%", 10, 126 37 6 8
  edit "Hop", 11, 134 36 37 10, read
  text "+", 12, 126 47 6 8
  edit "Voice", 13, 134 46 37 10, read
  text "Channel Topic", 4, 8 27 37 8
  edit "", 14, 8 37 114 39, read multi autovs vsbar
  button "Echo topic in active window", 3, 48 27 73 8
  button "Topic has been echoed", 15, 9 37 113 39, disable hide
}
alias chanstats {
  set %C.modes $gettok($chan(#).mode,1,32))
  set %C.userT $nick($chan,0) Total
  set %C.userO $nick($chan,0,o) Op
  set %C.userH $nick($chan,0,h) Hop
  set %C.userV $nick($chan,0,v) Voice
  set %C.Topic $gettok($chan(#).topic,1-,32))
  dialog -mo join join
  did -ra join 2 %C.modes
  did -ra join 7 %C.userT
  did -ra join 8 %C.userO
  did -ra join 11 %C.userH
  did -ra join 13 %C.userV
  did -ra join 14 %C.Topic
  unset %C.modes,%C.userT,%C.userO,%C.userH,%C.userV
}
on *:dialog:join:sclick:3:{
  echo -ta %C.Topic
  did -h join 14
  did -v join 15
}