#! /bin/sh
#----------------------------------------------------------------------------
# show-menu - show menu
#
# Copyright (c) 2001-2003 Frank Meyer <frank@eisfair.org>
#
# Creation:	04.11.2001  fm
# Last Update:  19.07.2003  fm
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

menu_file="$1"

n=0
while read line
do
    if [ $n = 0 ]
    then
	title="$line"
    else
	set -- $line
	command="$1"
	shift
	comment="$*"
	eval comment_$n='"$comment"'
	eval command_$n='"$command"'
    fi
    n=`expr $n + 1`
done < $menu_file

n=`expr $n - 1`

while [ 1 ]
do
    clrhome
    colecho "$title" gn
    echo

    if [ $n -ge 10 ]
    then
	lines_used=`expr $n + 1`
    else
	lines_used=`expr $n '*' 2 + 2`
    fi
    blank_lines=`expr 22 - $lines_used`
    blank_lines=`expr $blank_lines / 2`

    i=1
    while [ $i -le $blank_lines ]
    do
	echo
	i=`expr $i + 1`
    done

    i=1
    while [ $i -le $n ]
    do
	eval command='$command_'$i
	eval comment='$comment_'$i

	if [ $i -lt 10 ]
	then
	    echo "             $i: $comment"
	else
	    echo "            $i: $comment"
	fi

	if [ $n -lt 10 ]
	then
	    echo
	fi
	shift
	i=`expr $i + 1`
    done

    echo "             0: Exit"

    i=1
    while [ $i -le $blank_lines ]
    do
	echo
	i=`expr $i + 1`
    done

    echo -e "Command (1-$n, ENTER=Return 0=Exit) \c"
    read a

    if [ "$a" = 0 ]
    then
	exit 127
    fi

    if [ "$a" = "" ]
    then
	break
    fi

    if [ "$a" != "" -a $a -ge 1 -a $a -le $n ]
    then
	eval command='$command_'$a
	sh $command
	case $?
	in
	    127)    exit 127;;
	    0)	    ;;
	    *)	    /var/install/bin/anykey;;
	esac
    fi
done

exit 0