zsh/Completion/X/Command/_xwit

#compdef xwit

local word=$'[^\0]#\0'
local nul=$'\0'

local guard='-_xwit_guard ${match[1]%?}'

_xwit_guard () {
  local opt="$1" o
  (( no[$opt]-- ))
  for o in ${=eo[$opt]}; do
    no[$o]=0
  done 
  :
}

_xwit_compopts () {
  local expl
  local opt tmp

  tmp=()
  for opt in ${(k)no[(R)*~0]}
  do
    if (( $+desc[$opt] )); then
      tmp=("$tmp[@]" "$opt:$desc[$opt]")
    else
      tmp=("$tmp[@]" "$opt")
    fi
  done
  _describe -o options tmp -- ||
  _describe -o options allopts --

#  compadd "$expl[@]" - ${(k)no[(R)*~0]} ||
#    compadd "$expl[@]" - ${(k)no}
}

_regex_arguments _xwit_parse \
  "/$word/" \
  \( "/-display$nul/" "$guard" "/$word/" ':option-display:display:_x_display' \
  \| "/-(sync|pop|open|iconify|unmap|root|current|select|(no|)(save|backingstore|saveunder))$nul/" "$guard" \
  \| "/-resize$nul/" "$guard" \
     "/$word/" ':option-resize-width:width:' \
     "/$word/" ':option-resize-height:height:' \
  \| "/-rows$nul/" "$guard" "/$word/" ':option-rows:rows:' \
  \| "/-columns$nul/" "$guard" "/$word/" ':option-columns:columns:' \
  \| "/-move$nul/" "$guard" \
     "/$word/" ':option-move-x:x:' \
     "/$word/" ':option-move-y:y:' \
  \| "/-rmove$nul/" "$guard" \
     "/$word/" ':option-rmove-x:x:' \
     "/$word/" ':option-rmove-y:y:' \
  \| "/-warp$nul/" "$guard" \
     "/$word/" ':option-warp-x:x:' \
     "/$word/" ':option-warp-y:y:' \
  \| "/-rwarp$nul/" "$guard" \
     "/$word/" ':option-rwarp-x:x:' \
     "/$word/" ':option-rwarp-y:y:' \
  \| "/-colormap$nul/" "$guard" \
     "/$word/" ':option-colormap:colormapid:_x_colormapid' \
  \| "/-(name|label)$nul/" "$guard" \
     "/$word/" ':option-name:name:_x_name' \
  \| "/-iconname$nul/" "$guard" \
     "/$word/" ':option-name:iconname:_x_name' \
  \| "/-bitmap$nul/" "$guard" \
     "/$word/" ':option-bitmap:bitmap file:_files -g *.xbm\(-.\)' \
  \| "/-mask$nul/" "$guard" \
     "/$word/" ':option-mask:mask file:_files -g *.xbm\(-.\)' \
  \| "/-iconmove$nul/" "$guard" \
     "/$word/" ':option-iconmove-x:x:' \
     "/$word/" ':option-iconmove-y:y:' \
  \| "/-id$nul/" "$guard" "/$word/" ':option-id:window id:_x_window' \
  \| "/-(no|)keyrepeat$nul/" "$guard" \
      \( "/[0-9]##$nul/" ':option-keyrepeat-keycode:keycode:{[[ -prefix [0-9]# ]] && _message -e keycodes keycode}' \
	\( "/-$nul/" "/[0-9]##$nul/" \
	   ':option-keyrepeat-last-keycode:last keycode:{[[ -prefix [0-9]# ]] && _message -e keycodes "last keycode"}' \| \) \) \# \
  \| "/-names$nul/" "$guard" \
     "/$word/" ':option-names:window name:_x_window -n' \# \
  \| "/[]/" ':options:option:_xwit_compopts' \
  \) \#

_xwit () {
  local expl allopts
  typeset -A desc no eo

  desc=(
    -display 'specify display'
    -sync 'synchronous mode'
    -pop 'pop up window'
    -open 'pop up window'
    -iconify 'iconify window'
    -unmap 'iconify window by unmapping'
    -root 'select the root window'
    -current 'select the window under current pointer'
    -select 'select the window interactively'
    -save 'activate screen saver'
    -backingstore 'enable backingstore'
    -saveunder 'enable saveunder'
    -nosave 'reset screen saver'
    -nobackingstore 'disable backingstore'
    -nosaveunder 'disable saveunder'
    -resize 'resize window'
    -rows 'resize window rows'
    -columns 'resize window columns'
    -move 'move window'
    -rmove 'move window relatively'
    -warp 'warp pointer'
    -rwarp 'warp pointer relatively'
    -colormap 'install colormap'
    -name 'specify window name'
    -label 'specify window name'
    -iconname 'specify icon name'
    -bitmap 'specify icon bitmap'
    -mask 'specify icon mask'
    -iconmove 'move icon'
    -id 'select the window by window-ID'
    -keyrepeat 'enable keyrepeat'
    -nokeyrepeat 'disable keyrepeat'
    -names 'select the window by name'
  )

  no=(
    -display 1
    -sync 1
    -pop 1 -open 0
    -iconify 1
    -unmap 1
    -root 1
    -current 1
    -select 1
    -save 1
    -backingstore 1
    -saveunder 1
    -nosave 1
    -nobackingstore 1
    -nosaveunder 1
    -resize 1
    -rows 1
    -columns 1
    -move 1
    -rmove 1
    -warp 1
    -rwarp 1
    -colormap 1
    -name 1 -label 0
    -iconname 1
    -bitmap 1
    -mask 1
    -iconmove 1
    -id 1
    -keyrepeat 1
    -nokeyrepeat 1
    -names 1
  )

  allopts=()
  for opt in ${(k)no}
  do
    if (( $+desc[$opt] )); then
      allopts=("$allopts[@]" "$opt:$desc[$opt]")
    else
      allopts=("$allopts[@]" "$opt")
    fi
  done

  eo=(
    -root    '-root -current -select -id -names'
    -current '-root -current -select -id -names'
    -select  '-root -current -select -id -names'
    -id      '-root -current -select -id -names'
    -names   '-root -current -select -id -names'
  )

  _xwit_parse
}

_xwit "$@"