# bash completion for xrandr                               -*- shell-script -*-

_xrandr()
{
    local cur prev words cword
    _init_completion || return

    case "$prev" in
        -display | -d | -help | -s | --size | -r | --rate | --refresh | --screen | --fb | --fbmm | \
            --dpi | --pos | --set | --scale | --transform | --crtc | --panning | --gamma | \
            --newmode | --rmmode | --addmode | --delmode)
            return
            ;;
        --output | --left-of | --right-of | --above | --below | --same-as)
            local outputs=$("$1" | awk '/connected/ {print $1}')
            COMPREPLY=($(compgen -W "$outputs" -- "$cur"))
            return
            ;;
        --mode)
            local i output
            for ((i = 1; i < cword; i++)); do
                if [[ ${words[i]} == --output ]]; then
                    output=${words[i + 1]}
                    break
                fi
            done
            if [[ -v output ]]; then
                local modes=$("$1" | command sed -e "1,/^$output / d" \
                    -e "/connected/,$ d" \
                    -e "s/\([^[:space:]]\)[[:space:]].*/\1/")
                COMPREPLY=($(compgen -W "$modes" -- "$cur"))
            fi
            return
            ;;
        -o | --orientation)
            COMPREPLY=($(compgen -W 'normal inverted left right 0 1 2 3' -- \
                "$cur"))
            return
            ;;
        --reflect)
            COMPREPLY=($(compgen -W 'normal x y xy' -- "$cur"))
            return
            ;;
        --rotate)
            COMPREPLY=($(compgen -W 'normal inverted left right' -- "$cur"))
            return
            ;;
        --setprovideroutputsource | --setprovideroffloadsink)
            local providers=$("$1" --listproviders 2>/dev/null |
                command sed -ne 's/.* name:\([^ ]*\).*/\1/p')
            COMPREPLY=($(compgen -W "$providers" -- "$cur"))
            # TODO 2nd arg needed, is that a provider as well?
            return
            ;;
    esac

    COMPREPLY=($(compgen -W '$("$1" -help 2>&1 |
        command sed -e "s/ or / /g" -e "s/<[^>]*>]//g" | _parse_help -)' \
        -- "$cur"))
} &&
    complete -F _xrandr xrandr

# ex: filetype=sh