#!/bin/sh
#-
# Copyright (c) 2012-2013 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
############################################################ INCLUDES

BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." "$0"
f_include $BSDCFG_SHARE/dialog.subr
f_include $BSDCFG_SHARE/mustberoot.subr
f_include $BSDCFG_SHARE/sysrc.subr

BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="080.console"
f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr

ipgm=$( f_index_menusel_keyword $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" )
[ $? -eq $SUCCESS -a "$ipgm" ] && pgm="$ipgm"

############################################################ FUNCTIONS

# dialog_menu_main
#
# Display the dialog(1)-based application main menu.
#
dialog_menu_main()
{
	local prompt="$msg_screenmap_menu_text"
	local menu_list="
		'1 $msg_none'                 '$msg_none_screenmap_desc'
		'2 $msg_iso_8859_1_to_ibm437' '$msg_iso_8859_1_to_ibm437_desc'
		'3 $msg_iso_8859_7_to_ibm437' '$msg_iso_8859_7_to_ibm437_desc'
		'4 $msg_us_ascii_to_ibm327'   '$msg_us_ascii_to_ibm327_desc'
		'5 $msg_koi8_r_to_ibm866'     '$msg_koi8_r_to_ibm866_desc'
		'6 $msg_koi8_u_to_ibm866u'    '$msg_koi8_u_to_ibm866u_desc'
	" # END-QUOTE
	local defaultitem= # Calculated below
	local hline="$hline_choose_a_screen_map"

	local height width rows
	eval f_dialog_menu_size height width rows \
	                        \"\$DIALOG_TITLE\"     \
	                        \"\$DIALOG_BACKTITLE\" \
	                        \"\$prompt\"           \
	                        \"\$hline\"            \
	                        $menu_list

	case "$( f_sysrc_get scrnmap )" in
	[Nn][Oo]|'')         defaultitem="1 $msg_none"                 ;;
	iso-8859-1_to_cp437) defaultitem="2 $msg_iso_8859_1_to_ibm437" ;;
	iso-8859-7_to_cp437) defaultitem="3 $msg_iso_8859_7_to_ibm437" ;;
	us-ascii_to_cp437)   defaultitem="4 $msg_us_ascii_to_ibm327"   ;;
	koi8-r2cp866)        defaultitem="5 $msg_koi8_r_to_ibm866"     ;;
	koi8-u2cp866u)       defaultitem="6 $msg_koi8_u_to_ibm866u"    ;;
	esac

	local menu_choice
	menu_choice=$( eval $DIALOG \
		--title \"\$DIALOG_TITLE\"         \
		--backtitle \"\$DIALOG_BACKTITLE\" \
		--hline \"\$hline\"                \
		--ok-label \"\$msg_ok\"            \
		--cancel-label \"\$msg_cancel\"    \
		--default-item \"\$defaultitem\"   \
		--menu \"\$prompt\"                \
		$height $width $rows               \
		$menu_list                         \
		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
	)
	local retval=$?
	f_dialog_menutag_store -s "$menu_choice"
	return $retval
}

############################################################ MAIN

# Incorporate rc-file if it exists
[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"

#
# Process command-line arguments
#
while getopts h$GETOPTS_STDARGS flag; do
	case "$flag" in
	h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm" ;;
	esac
done
shift $(( $OPTIND - 1 ))

#
# Initialize
#
f_dialog_title "$msg_system_console_screenmap"
f_dialog_backtitle "${ipgm:+bsdconfig }$pgm"
f_mustberoot_init

#
# Launch application main menu
#
dialog_menu_main || f_die
f_dialog_menutag_fetch mtag

scrnmap_to_set=
case "$mtag" in
"1 $msg_none") # No screenmap, don't touch font
	scrnmap_to_set="NO" ;;
"2 $msg_iso_8859_1_to_ibm437") # W-Europe ISO 8859-1 to IBM 437 scrnmap
	scrnmap_to_set="iso-8859-1_to_cp437" ;;
"3 $msg_iso_8859_7_to_ibm437") # Greek ISO 8859-7 to IBM 437 screenmap
	scrnmap_to_set="iso-8859-7_to_cp437" ;;
"4 $msg_us_ascii_to_ibm327") # US-ASCII to IBM 437 screenmap
	scrnmap_to_set="us-ascii_to_cp437" ;;
"5 $msg_koi8_r_to_ibm866") # Russian KOI8-R to IBM 866 screenmap
	scrnmap_to_set="koi8-r2cp866" ;;
"6 $msg_koi8_u_to_ibm866u") # Ukrainian KOI8-U to IBM 866u screenmap
	scrnmap_to_set="koi8-u2cp866u" ;;
esac

if [ "$scrnmap_to_set" ]; then
	f_sysrc_set scrnmap "$scrnmap_to_set" || f_die
	break
else
	f_die 1 "$msg_unknown_screenmap_selection"
fi

exit $SUCCESS

################################################################################
# END
################################################################################