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

_vncviewer_bootstrap()
{
    local fname
    case $(_realcommand vncviewer) in
        *xvnc4viewer) fname=_xvnc4viewer ;;
        *tightvncviewer) fname=_tightvncviewer ;;
        *) fname=_known_hosts ;;
    esac

    # Install real completion for subsequent completions
    complete -F $fname vncviewer
    $fname # Generate completions once for now
    unset -f _vncviewer_bootstrap
} &&
    complete -F _vncviewer_bootstrap vncviewer

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

    case $prev in
        -passwd)
            _filedir
            return
            ;;
        -encodings)
            COMPREPLY=($(compgen -W 'copyrect tight hextile zlib corre rre
                raw' -- "$cur"))
            return
            ;;
        -via)
            _known_hosts_real -- "$cur"
            return
            ;;
    esac

    if [[ $cur == -* ]]; then
        COMPREPLY=($(compgen -W '-help -listen -via -shared -noshared
            -viewonly -fullscreen -noraiseonbeep -passwd -encodings -bgr233
            -owncmap -truecolour -truecolor -depth -compresslevel -quality
            -nojpeg -nocursorshape -x11cursor' -- "$cur"))
    else
        _known_hosts_real -- "$cur"
    fi
} &&
    complete -F _tightvncviewer tightvncviewer

# NOTE: - VNC Viewer options are case insensitive.
#         Preferred case is taken from -help.
_xvnc4viewer()
{
    local cur prev words cword
    _init_completion || return

    # Both single dash (-) and double dash (--) are allowed as option prefix
    local opt=${prev/#--/-}
    case ${opt,,} in
        # -passwd, -PasswordFile
        -passwd | -passwordfile)
            _filedir
            return
            ;;
        -preferredencoding)
            COMPREPLY=($(compgen -W 'zrle hextile raw' -- "$cur"))
            return
            ;;
        -via)
            _known_hosts_real -- "$cur"
            return
            ;;
    esac

    if [[ $cur == -* || $cur == --* ]]; then
        # Default to vncviewer camelcase options, see `vncviewer -help'
        local dash options=(AcceptClipboard AutoSelect DebugDelay display
            DotWhenNoCursor FullColor FullColour FullScreen geometry help
            listen Log LowColourLevel MenuKey name Parent passwd PasswordFile
            PointerEventInterval PreferredEncoding SendClipboard SendPrimary
            Shared UseLocalCursor via ViewOnly WMDecorationHeight
            WMDecorationWidth ZlibLevel)
        [[ $cur == --* ]] && dash=-- || dash=-

        local IFS=$' \t\n' reset=$(shopt -p nocasematch)
        shopt -s nocasematch
        local option
        COMPREPLY=($(for option in "${options[@]}"; do
            [[ $dash$option == "$cur"* ]] && printf '%s\n' $dash$option
        done))
        $reset
    else
        _known_hosts_real -- "$cur"
    fi
} &&
    complete -F _xvnc4viewer xvnc4viewer

# ex: filetype=sh