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

proc _xrandr {
    local cur prev words cword
    _init_completion || return

    case (prev) {
        -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}' )
            setvar 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 [[ $output ]] {
                local modes=$( "$1" | sed -e "1,/$output/ d" \
                    -e "/connected/,$ d" \
                    -e "s/\([^[:space:]]\)[[:space:]].*/\1/" )
                setvar COMPREPLY = ''( $( compgen -W "$modes" -- "$cur" ) )
            }
            return
            }
        -o|--orientation {
            setvar COMPREPLY = ''( $( compgen -W 'normal inverted left right 0 1 2 3' -- \
                "$cur" ) )
            return
            }
        --reflect {
            setvar COMPREPLY = ''( $( compgen -W 'normal x y xy' -- "$cur" ) )
            return
            }
        --rotate {
            setvar COMPREPLY = ''( $( compgen -W 'normal inverted left right' -- "$cur" ) )
            return
            }
        --setprovideroutputsource|--setprovideroffloadsink {
            local providers=$( "$1" --listproviders 2>/dev/null |
                sed -ne 's/.* name:\([^ ]*\).*/\1/p' )
            setvar COMPREPLY = ''( $( compgen -W "$providers" -- "$cur" ) )
            # TODO 2nd arg needed, is that a provider as well?
            return
            }
    }

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

# ex: ts=4 sw=4 et filetype=sh