# bash completion for xgamma(1) -*- shell-script -*-

_xgamma()
{
local cur prev words cword
_init_completion -n : || return

case "$prev" in
-screen)
local screens=$( xrandr --query 2>/dev/null | sed -n \
'/^Screen /s|^Screen \{1,\}\(.*\):.*$|\1|p' 2>/dev/null )
COMPREPLY=( $( compgen -W "$screens" -- "$cur" ) )
return
;;
-gamma|-rgamma|-ggamma|-bgamma)
# expect f.f
if [[ $cur && "$cur" != *.* ]]; then
COMPREPLY=( . )
fi
COMPREPLY+=( $( compgen -W "{0..9}" ) )
compopt -o nospace
return
;;
-display)
# expect hostname:displaynumber.screennumber
if [[ "$cur" == :* && "$cur" != :*.* ]]; then
# FIXME: where to get local display numbers?
local display=${cur#:}
COMPREPLY=( $( compgen -W "${display:-0}." ) )
compopt -o nospace
elif [[ "$cur" == :*.* ]]; then
# local screen numbers
local t screens=$( xrandr --query 2>/dev/null | sed -ne \
'/^Screen /s|^Screen \{1,\}\(.*\):.*$|\1|p' 2>/dev/null )
t="${cur#:}"
COMPREPLY=( $( compgen -P "${t%.*}." -W "$screens" -- \
"${cur##*.}" ) )
elif [[ "$cur" != *:* ]]; then
# complete hostnames
_known_hosts_real -c "$cur"
if [[ ! $cur ]]; then
COMPREPLY+=( : )
fi
compopt -o nospace
fi
# no dislpay completion for remote hosts
return
;;
esac

if [[ "$cur" == -* ]]; then
COMPREPLY=( $( compgen -W '$( _parse_help "$1" -help )' -- "$cur" ) )
[[ $COMPREPLY == *= ]] && compopt -o nospace
[[ $COMPREPLY ]] && return
fi
} && complete -F _xgamma xgamma

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