show-suspended-jobs.zsh

setopt prompt_subst

zmodload -i zsh/parameter

: ${SUSP_JOBS_MAX:=3}
: ${SUSP_JOBS_ICON:=$'\u23F8'}
: ${SUSP_JOBS_COLOR:='%F{yellow}'}

typeset -g SUSP_JOBS_RPROMPT=""

function __susp_jobs_update_rprompt() {
  local -a ids shown
  local k state txt

  for k in ${(k)jobstates}; do
    state=${jobstates[$k]}
    [[ ${state%%:*} == suspended ]] && ids+="$k"
  done

  if (( ${#ids} )); then
    local i
    for i in ${ids}; do
      txt=${jobtexts[$i]}
      shown+="${i}:${${txt%% *}:-${txt}}"
      (( ${#shown} >= SUSP_JOBS_MAX )) && break
    done
    local rest=$(( ${#ids} - ${#shown} ))
    local body="${(j: :)shown}"
    (( rest > 0 )) && body+=" +${rest}"
    typeset -g SUSP_JOBS_RPROMPT="${SUSP_JOBS_COLOR}${SUSP_JOBS_ICON} ${body}%f"
  else
    typeset -g SUSP_JOBS_RPROMPT=""
  fi
}

precmd_functions+=(__susp_jobs_update_rprompt)

if [[ -z ${SUSP_JOBS_KEEP_RPROMPT+x} ]]; then
  RPROMPT='${SUSP_JOBS_RPROMPT}'"${RPROMPT}"
fi