# 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.
#       - Both single dash (-) and double dash (--) are allowed as option prefix
_xvnc4viewer()
{
    local cur prev words cword
    _init_completion || return

    # Convert double dash to single dash
    case ${prev/#--/-} in
        # -passwd, -PasswordFile
        -[pP][aA][sS][sS][wW][dD]|-[pP][aA][sS][sS][wW][oO][rR][dD][fF][iI][lL][eE])
            _filedir
            return
            ;;
        # -PreferredEncoding
        -[pP][rR][eE][fF][eE][rR][rR][eE][dD][eE][nN][cC][oO][dD][iI][nN][gG])
            COMPREPLY=( $( compgen -W 'zrle hextile raw' -- "$cur" ) )
            return
            ;;
        # -via
        -[vV][iI][aA])
            _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 option reset=$( shopt -p nocasematch ); shopt -s nocasematch
        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
