export ZCALC_HISTFILE="${HOME}/.zcalc_history"

autoload -U zcalc

function __calc {
    zcalc -f -e "$*"
}
aliases[calc]='noglob __calc'
aliases[=]='noglob __calc'


function accept-line() {
    if [[ ${BUFFER} =~ '^[ ]?\(?[-+]?[0-9]+[^a-zA-Z]+' ]]; then
        echo
        test "${BUFFER[1]}" != " " && print -S -- "${BUFFER}"  # saving the command to history
        __calc "${BUFFER}" | sed 's/\.$//'
        BUFFER=
    fi

    zle .${WIDGET}
}

zle -N accept-line

# vim: ft=zsh