#basic bash completion for recordmydesktop
#chilicuil <chilicuil@gmail.com> 2012

have recordmydesktop &&
_recordmydesktop()
{
    #When the function or command is invoked, the first argument is the name of
    #the command whose arguments are being completed, the second argument is the
    #word being completed, and the third argument is the word preceding the word
    #being  completed on  the current command line.

    #program_name=$1
    #cur=$2
    #prev=$3
    #$4<---?

    #defining local vars
    local cur prev opts
    COMPREPLY=() #clean out last completions
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    number_of_words=${#COMP_WORDS[@]}


    #=======================================================
    #                  General options
    #=======================================================

    OPTS="-h --help --version --print-config --windowid --display
          -x -y --width --heigh --dummy-cursor --no-cursor
          --no-shared --full-shots --follow-mouse --quick-subsampling
          --fps --channels --freq --buffer-size --ring-buffer-size
          --device --use-jack --no-sound --on-the-fly-encoding
          --v_quality --v_bitrate --s_quality --rescue --no-wm-check
          --no-frame --pause-shortcut --stop-shortcut --compress-cache
          --workdir --delay --overwrite -o"

    #=======================================================
    #                   Nested options <1st layer>
    #=======================================================
    dummy_cursor_opts="black white"
    v_quality_opts="63"
    s_quality_opts="10"

    ########################################################
    # -W wordlist
    # -A action (see bash 'complete' build-in command)
    # -G globalpath
    # -C command
    # -F function
    # -X filterpath
    # -P preffix
    # -S suffix

    case "${prev}" in
         ##1st layer
         --dumy-cursor)
            COMPREPLY=( $( compgen -W "$dummy_cursor_opts" -- $cur ))
            return 0
            ;;
         -v_quality)
            COMPREPLY=( $( compgen -W "$v_quality_opts" -- $cur ))
            return 0
            ;;
         -s_quality)
            COMPREPLY=( $( compgen -W "$s_quality_opts" -- $cur ))
            return 0
            ;;
         --workdir)
            _filedir -d
            return 0
            ;;
         -o)
            _filedir
            return 0
            ;;
    esac

    #general options
    case "${cur}" in
        -*)
            COMPREPLY=( $( compgen -W "$OPTS" -- $cur ))
            ;;
        *)
            if [[ $number_of_words -lt 3 ]]; then
                COMPREPLY=( $( compgen -W "-o" -- $cur ))
            fi
            ;;
    esac
} &&
complete -F _recordmydesktop recordmydesktop