# prompt config

export PR_OS_NAME=$(uname -s)
export PR_OS_ARCH=$(uname -m)

if [ -f /etc/debian_version ]; then
    echo $PR_OS_NAME | grep -i linux >/dev/null 2>&1
    if [ $? = 0 ]; then
	PR_OS_NAME="Debian GNU/${PR_OS_NAME}"
    else
	PR_OS_NAME="Debian ${PR_OS_NAME}"
    fi
    debian_version=$(</etc/debian_version)
    [ $debian_version = 'testing/unstable' ] && PR_OS_NAME="${PR_OS_NAME} sid" || PR_OS_NAME="${PR_OS_NAME} ${debian_version}"
    
    
    if [ -f /etc/debian_chroot ]; then
	chroot_name=(${(s:-:)$(</etc/debian_chroot)})
	chroot_name=$chroot_name[0]
	PR_OS_NAME="${PR_OS_NAME} [chroot: ${chroot_name}]"
    fi
	
fi

[ "$TERM" = "screen" -a -n "$WINDOW" ] && PR_OS_PTY="screen/$WINDOW" || PR_OS_PTY=$(print -P %l)
export PR_OS_PTY

function preexec {
    
    binonly=(emacs mplayer lftp most more less rsu)
    
    args=(${=1})
    argsr=(${=2})
    
    if [[ $args[0] != $argsr[0] ]]; then
	args[0]=$argsr[0]
    fi
    
    [[ -n ${(M)binonly:#$args[0]} ]] && args=$args[0]
    
    if [ $UID = 0 ]; then
	[ "$KONSOLE_DCOP_SESSION" ] && dcop $KONSOLE_DCOP_SESSION renameSession "*$args"
	[ "$TERM" = "screen" ] && echo -ne "\033k*$args\033\\"
    else
	[ "$KONSOLE_DCOP_SESSION" ] && dcop $KONSOLE_DCOP_SESSION renameSession "$args"
	[ "$TERM" = "screen" ] && echo -ne "\033k$args\033\\"
    fi
}

function precmd {
    # function called before displaying prompt
    local TERMWIDTH
    (( TERMWIDTH = ${COLUMNS} - 1 ))

    # Truncate the path if it's too long.
    local promptsize=${#${(%):---(%m)-(%n)-(%D{%H:%M})-($PR_OS_PTY)-($PR_OS_NAME)-($PR_OS_ARCH)---}}
    PR_FILLBAR="\${(l.(($TERMWIDTH - $promptsize))..${PR_HBAR}.)}"
    
    if [ $UID = 0 ]; then
	[ "$KONSOLE_DCOP_SESSION" ] && dcop $KONSOLE_DCOP_SESSION renameSession "*$(print -P %~)"
	[ "$TERM" = "screen" ] && echo -ne "\033k*$(print -P %~)\033\\"
    else
        # if running konsole, setting current directory name in tab
	[ "$KONSOLE_DCOP_SESSION" ] && dcop $KONSOLE_DCOP_SESSION renameSession "$(print -P %~)"
        # if running screen, setting current directory name in caption/statusbar
	[ "$TERM" = "screen" ] && echo -ne "\033k$(print -P %~)\033\\"
    fi
}

myprompt() {

    setopt prompt_subst

    #enable colors
    autoload colors zsh/terminfo
    if [[ "$terminfo[colors]" -ge 8 ]]; then
        colors
    fi
    for color in RED GREEN YELLOW BLUE MAGENTA CYAN WHITE; do
	eval PR_$color='%{$terminfo[bold]$fg[${(L)color}]%}'
	eval PR_LIGHT_$color='%{$fg[${(L)color}]%}'
        (( count = $count + 1 ))
    done
    PR_NO_COLOUR="%{$terminfo[sgr0]%}"
    
    typeset -A altchar
    set -A altchar ${(s..)terminfo[acsc]}
    PR_SET_CHARSET="%{$terminfo[enacs]%}"
    PR_SHIFT_IN="%{$terminfo[smacs]%}"
    PR_SHIFT_OUT="%{$terminfo[rmacs]%}"
    PR_HBAR=${altchar[q]:--}
    PR_ULCORNER=${altchar[l]:--}
    PR_LLCORNER=${altchar[m]:--}
    PR_LRCORNER=${altchar[j]:--}
    PR_URCORNER=${altchar[k]:--}
    
    if [ "$TERM" = "dumb" ]; then
	PROMPT="-(%n@%m)-(%(!.%d.%~))->"
    else
	PROMPT='\
$PR_SET_CHARSET\
$PR_CYAN$PR_SHIFT_IN$PR_ULCORNER$PR_CYAN$PR_HBAR$PR_SHIFT_OUT(\
$PR_WHITE%m$PR_CYAN\
$PR_SHIFT_IN$PR_CYAN)$PR_HBAR$PR_SHIFT_OUT(\
%(!.$PR_RED%n.$PR_LIGHT_GREEN%n)\
$PR_SHIFT_IN$PR_CYAN)$PR_HBAR$PR_SHIFT_OUT(\
$PR_WHITE%D{%H:%M}$PR_CYAN\
$PR_SHIFT_IN$PR_CYAN)$PR_HBAR$PR_SHIFT_OUT(\
$PR_WHITE$PR_OS_PTY$PR_CYAN\
$PR_SHIFT_IN$PR_CYAN)$PR_HBAR$PR_SHIFT_OUT(\
$PR_WHITE$PR_OS_NAME$PR_CYAN\
$PR_SHIFT_IN$PR_CYAN)$PR_HBAR$PR_SHIFT_OUT(\
$PR_WHITE$PR_OS_ARCH$PR_CYAN\
$PR_SHIFT_IN$PR_CYAN)$PR_HBAR$PR_SHIFT_OUT\
$PR_SHIFT_IN$PR_HBAR$PR_CYAN$PR_HBAR${(e)PR_FILLBAR}$PR_CYAN$PR_HBAR$PR_SHIFT_OUT\

$PR_CYAN$PR_SHIFT_IN$PR_LLCORNER$PR_HBAR$PR_SHIFT_OUT\
%1(j.{${PR_YELLOW}jobs$PR_CYAN:$PR_WHITE%j$PR_CYAN}$PR_SHIFT_IN$PR_HBAR$PR_SHIFT_OUT.)\
%0(?..{${PR_RED}ret$PR_CYAN:$PR_WHITE%?$PR_CYAN}$PR_SHIFT_IN$PR_HBAR$PR_SHIFT_OUT)\
($PR_WHITE%(!.%d.%~)$PR_CYAN)$PR_SHIFT_IN$PR_HBAR$PR_LRCORNER$PR_SHIFT_OUT\

>$PR_NO_COLOUR'
    fi
    
}

myprompt