freebsd-skq/usr.sbin/bsdinstall/scripts/keymap
Devin Teske 133e25d3b7 Rewrite the keymap module to display an actual menu of selectable
keymaps *and* provide a mechanism for testing the selection. With
this commit, bsdinstall is no longer dependent on kbdmap(1). The
keymap test menu was originally submitted by Warren Block but was
modified).

Submitted by:	Warren Block <wblock@wonkity.com>
Reviewed by:	Allan Jude <freebsd@allanjude.com>
Approved by:	re (glebius)
2013-10-11 20:52:42 +00:00

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#!/bin/sh
#-
# Copyright (c) 2011 Nathan Whitehorn
# Copyright (c) 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/keymap.subr
f_include $BSDCFG_SHARE/sysrc.subr
############################################################ CONFIGURATION
#
# Default file to store keymap selection in
#
: ${KEYMAPFILE:=$BSDINSTALL_TMPETC/rc.conf.keymap}
#
# Default path to keymap INDEX containing descriptions
#
: ${MAPDESCFILE:=/usr/share/syscons/keymaps/INDEX.keymaps}
############################################################ GLOBALS
#
# Strings that should be moved to an i18n file and loaded with f_include_lang()
#
hline_arrows_tab_enter="Press arrows, TAB or ENTER"
msg_continue_with_keymap="Continue with %s keymap"
msg_default="default"
msg_error="Error"
msg_freebsd_installer="FreeBSD Installer"
msg_keymap_menu_text="The system console driver for FreeBSD defaults to standard \"US\"\nkeyboard map. Other keymaps can be chosen below."
msg_keymap_selection="Keymap Selection"
msg_ok="OK"
msg_select="Select"
msg_test_keymap="Test %s keymap"
msg_test_the_currently_selected_keymap="Test the currently selected keymap"
msg_test_the_keymap_by_typing="Test the keymap by typing letters, numbers, and symbols. Characters\nshould match labels on the keyboard keys. Press Enter to stop testing."
############################################################ FUNCTIONS
# dialog_keymap_test $keymap
#
# Activate $keymap and display an input box (without cancel button) for the
# user to test keyboard input and return. Always returns success.
#
dialog_keymap_test()
{
local keym="$1"
local title= # Calculated below
local btitle= # Calculated below
local prompt="$msg_test_the_keymap_by_typing"
local hline=
# Attempt to activate the keymap
if [ "$keym" ]; then
local err
err=$( f_keymap_kbdcontrol "$keym" 2>&1 > /dev/null )
if [ "$err" ]; then
f_dialog_title "$msg_error"
f_dialog_msgbox "$err"
f_dialog_title_restore
return $FAILURE
fi
fi
f_dialog_title "$( printf "$msg_test_keymap" "${keym:-$msg_default}" )"
title="$DIALOG_TITLE"
btitle="$DIALOG_BACKTITLE"
f_dialog_title_restore
local height width
f_dialog_inputbox_size height width \
"$title" "$btitle" "$prompt" "" "$hline"
$DIALOG \
--title "$title" \
--backtitle "$btitle" \
--hline "$hline" \
--ok-label "$msg_ok" \
--no-cancel \
--inputbox "$prompt" \
$height $width \
2>/dev/null >&$DIALOG_TERMINAL_PASSTHRU_FD
return $DIALOG_OK
}
############################################################ MAIN
#
# Initialize
#
f_dialog_title "$msg_keymap_selection"
f_dialog_backtitle "$msg_freebsd_installer"
#
# Die immediately if we can't dump the current keyboard map
#
#error=$( kbdcontrol -d 2>&1 > /dev/null ) || f_die $FAILURE "%s" "$error"
# Capture Ctrl-C for clean-up
trap 'rm -f $KEYMAPFILE; exit $FAILURE' SIGINT
# Get a value from rc.conf(5) as initial value (if not being scripted)
f_getvar $VAR_KEYMAP keymap
if [ ! "$keymap" ]; then
keymap=$( f_sysrc_get keymap )
case "$keymap" in [Nn][Oo]) keymap="";; esac
fi
#
# Loop until the user has finalized their selection (by clicking the
# [relabeled] Cancel button).
#
width=67 first_pass=1 back_from_testing=
[ "$USE_XDIALOG" ] && width=70
prompt="$msg_keymap_menu_text"
hline="$hline_arrows_tab_enter"
while :; do
#
# Re/Build list of keymaps
#
cont_msg=$( printf "$msg_continue_with_keymap" \
"${keymap:-$msg_default}" )
test_msg=$( printf "$msg_test_keymap" "${keymap:-$msg_default}" )
menu_list="
'>>> $cont_msg' '' '$msg_continue_with_current_keymap'
'->- $test_msg' '' '$msg_test_the_currently_selected_keymap'
" # END-QUOTE
if [ "$first_pass" ]; then
defaultitem=
first_pass=
else
defaultitem="->- $test_msg"
fi
for k in $KEYMAPS; do
keymap_$k get keym keym
keymap_$k get desc desc
radio=" "
if [ "$keym" = "$keymap" ]; then
radio="*"
if [ "$back_from_testing" ]; then
defaultitem="(*) $desc"
back_from_testing=
fi
fi
f_shell_escape "$desc" desc
menu_list="$menu_list
'($radio) $desc' '' '$keym: $desc'
" # END-QUOTE
done
back_from_testing=
#
# Display keymap configuration menu
#
eval f_dialog_menu_with_help_size height \"\" rows \
\"\$DIALOG_TITLE\" \
\"\$DIALOG_BACKTITLE\" \
\"\$prompt\" \
\"\$hline\" \
$menu_list
menu_choice=$( eval $DIALOG \
--title \"\$DIALOG_TITLE\" \
--backtitle \"\$DIALOG_BACKTITLE\" \
--hline \"\$hline\" \
--keep-tite \
--item-help \
--ok-label \"\$msg_select\" \
--cancel-label \"\$msg_cancel\" \
--default-item \"\$defaultitem\" \
--menu \"\$prompt\" \
$height $width $rows \
$menu_list \
2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
) || {
f_quietly rm -f "$KEYMAPFILE"
exit $FAILURE # Exit with an error so bsdinstall restarts
}
f_dialog_data_sanitize menu_choice
case "$menu_choice" in
">>> "*) # Continue with keymap
break ;;
"->-"*) # Test keymap
dialog_keymap_test "$keymap"
back_from_testing=1
continue ;;
esac
# Turn the user's choice into a number
n=$( eval f_dialog_menutag2index_with_help \
\"\$menu_choice\" $menu_list )
# Turn that number ithe name of the keymap struct
k=$( set -- $KEYMAPS; eval echo \"\${$(( $n - 2))}\" )
# Get actual keymap setting while we update $keymap and $KEYMAPFILE
keymap_$k get keym keymap
echo "keymap=\"$keymap\"" > "$KEYMAPFILE"
done
f_quietly f_keymap_kbdcontrol "$keymap"
################################################################################
# END
################################################################################