bash-completion/completions/xrandr

# bash completion for xrandr

have xrandr &&
_xrandr()
{
    local cur prev output modes
    COMPREPLY=()
    _get_comp_words_by_ref cur prev

    case $prev in
        --output)
            local outputs=$(xrandr|awk '/connected/ {print $1}')
            COMPREPLY=( $(compgen -W "$outputs" -- "$cur"))
            return 0
            ;;
        --mode)
            for(( i = 1; i < COMP_CWORD; i++ )); do
                if [[ "${COMP_WORDS[i]}" == "--output" ]]; then
                    output=${COMP_WORDS[i+1]}
                    break
                fi
            done
            modes=$(xrandr|sed -e "1,/$output/ d" \
                -e "/connected/,$ d"|awk '{print $1}')
            COMPREPLY=( $( compgen -W "$modes" -- "$cur"))
            return 0
            ;;
    esac

    case $cur in
        *)
            COMPREPLY=( $(compgen -W '-display -help --orientation --query \
                --size --rate --version -x -y --screen --verbose --dryrun \
                --prop --fb --fbmm --dpi --output --auto --mode --preferred \
                --pos --reflect --rotate --left-of --right-of --above --below \
                --same-as --set --off --crtc --newmode --rmmode --addmode \
                --delmode' -- "$cur") )
            return 0
            ;;
    esac

    return 0
} &&
complete -F _xrandr xrandr

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