#compdef xinput

# ZSH completion for `xinput`
# Copyright © 2011 Red Hat, Inc.
# Author: Peter Hutterer


_xinput()
{

_xinput_zstyle_default () {
    zstyle -t $1 $2
    if (( $status == 2 )); then
        zstyle $*
    fi
}

(( $+functions[_xinput_commands] )) ||
_xinput_commands()
{
    local ret
    local -a set_commands
    local -a get_commands
    local -a xinput_commands

    # all commands that use device ID + other command
    set_commands=(
        'set-ptr-feedback:set pointer feedback setting'
        'set-integer-feedback:get integer feedback setting'
        'set-button-map:set device button map'
        'set-pointer:switch core pointer to device (deprecated)'
        'set-mode:set relative/absolute mode'
        'create-master:create a new master device'
        'reattach:attach a slave device to a new master'
        'set-cp:set the client pointer'
        'set-int-prop:set a property of type int'
        'set-float-prop:set a property of type float'
        'set-atom-prop:set a property of type atom'
        'delete-prop:delete a property'
        'set-prop:set a property of any type'
    )

    # all commands that just use a device ID
    get_commands=(
        'get-feedbacks:get pointer feedback setting'
        'get-button-map:get device button map'
        'list:list all devices'
        'query-state:query device state'
        'test:print input events on device'
        'remove-master:remove a master device'
        'float:float a slave device'
        'list-props:list all properties on device'
        'watch-props:watch properties for changes'
        'test-xi2:print XI2 eventsl'
    )

    __xinput_zstyle_default () {
        zstyle -t $1 $2
        if (( $status == 2 )); then
            zstyle $*
        fi
    }

    xinput_commands=($set_commands)
    xinput_commands+=($get_commands)

    _describe -t command 'xinput command' xinput_commands
}

(( $+functions[_xinput_device_list] )) ||
_xinput_device_list()
{
    local expl
    declare -a devices
    devices=(${${(f)"$(_call_program devlist xinput --list --name-only 2>/dev/null)"}})

    _wanted devices expl device compadd $* - $devices
}

# xinput get-feedbacks <device>
(( $+functions[_xinput_get-feedbacks] )) ||
_xinput_get-feedbacks()
{
    _xinput_device_list
}

# xinput get-button-map <device>
(( $+functions[_xinput_get-button-map] )) ||
_xinput_get-button-map()
{
    _xinput_device_list
}

# xinput list <device>
(( $+functions[_xinput_list] )) ||
_xinput_list()
{
    _xinput_device_list
}

# xinput query-state <device>
(( $+functions[_xinput_query-state] )) ||
_xinput_query-state()
{
    _xinput_device_list
}

# xinput test <device>
(( $+functions[_xinput_test] )) ||
_xinput_test()
{
    _xinput_device_list
}

# xinput remove-master <device>
# FIXME: should only list master devices
(( $+functions[_xinput_remove-master] )) ||
_xinput_remove-master()
{
    _xinput_device_list
}

# xinput float <device>
# FIXME: should only list slave devices
(( $+functions[_xinput_float] )) ||
_xinput_float()
{
    _xinput_device_list
}

# xinput list-props <device>
(( $+functions[_xinput_list-props] )) ||
_xinput_list-props()
{
    _xinput_device_list
}

# xinput watch-props <device>
(( $+functions[_xinput_watch-props] )) ||
_xinput_watch-props()
{
    _xinput_device_list
}

# xinput test-xi2
(( $+functions[_xinput_test-xi2] )) ||
_xinput_test-xi2()
{
}

if [[ $service == xinput ]]; then
    local curcontext=$curcontext
    local ret=1
    local state line
    declare -A opt_args
    _arguments -C \
        '(- :)--version[display version information]'\
        '(- :)--help[display help message]'\
        '*::arg:->cmd_or_options' && return

    case $state in
        (cmd_or_options)
            if (( CURRENT == 1 )); then
                _xinput_commands
            else
                curcontext="${curcontext%:*:*}:xinput_$words[1]:"
                _call_function ret _xinput_$words[1]
            fi
            ;;
    esac
fi
}

_xinput

# vim: set sw=4 ts=8 et ft=zsh :