#autoload

# This completer function makes the other completer functions used
# insert possible completions only after the list has been shown at
# least once.

[[ _matcher_num -gt 1 ]] && return 1

local pre suf expr

# Get the strings to compare.

if zstyle -t ":completion:${curcontext}:" word; then
  pre="$HISTNO$LBUFFER"
  suf="$RBUFFER"
else
  pre="$PREFIX"
  suf="$SUFFIX"
fi

# Should we only show a list now?

if zstyle -T ":completion:${curcontext}:" condition &&
   [[ "$pre" != "$_list_prefix" || "$suf" != "$_list_suffix" ]]; then

  # Yes. Tell the completion code about it and save the new values
  # to compare the next time.

  compstate[insert]=''
  compstate[list]='list force'
  _list_prefix="$pre"
  _list_suffix="$suf"
fi

# We always return one, because we don't really do any work here.

return 1