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package keyboard;
use diagnostics;
use strict;
use vars qw($KMAP_MAGIC %defaultKeyboards %loadKeymap);
use common qw(:system :file);
use run_program;
use log;
use c;
$KMAP_MAGIC = 0x8B39C07F;
%defaultKeyboards = (
"de" => "de-latin1",
"fr" => "fr-latin1",
"fi" => "fi-latin1",
"se" => "se-latin1",
"no" => "no-latin1",
"cs" => "cz-lat2",
"tr" => "trq",
);
1;
sub load($) {
my ($keymap) = @_;
my ($magic, @keymaps) = unpack "I i" . c::MAX_NR_KEYMAPS() . "a*", $keymap;
$keymap = pop @keymaps;
$magic != $KMAP_MAGIC and die "failed to read kmap magic";
local *F;
sysopen F, "/dev/console", 2 or die "failed to open /dev/console: $!";
my $count = 0;
foreach (0 .. c::MAX_NR_KEYMAPS() - 1) {
$keymaps[$_] or next;
my @keymap = unpack "s" . c::NR_KEYS() . "a*", $keymap;
$keymap = pop @keymap;
my $key = -1;
foreach my $value (@keymap) {
$key++;
c::KTYP($value) != c::KT_SPEC() or next;
ioctl(F, c::KDSKBENT(), pack("CCS", $_, $key, $value)) or die "keymap ioctl failed ($_ $key $value): $!";
}
$count++;
}
log::l("loaded $count keymap tables");
}
sub setup(;$) {
my ($keyboard) = @_;
my $t;
$keyboard ||= $defaultKeyboards{$ENV{LANG}} || "us";
my $file = "/usr/share/keymaps/$keyboard.kmap";
if (-e $file) {
log::l("loading keymap $keyboard");
load(cat_($file));
}
$keyboard;
}
sub write($$) {
my ($prefix, $keymap) = @_;
local *F;
open F, ">$prefix/etc/sysconfig/keyboard" or die "failed to create keyboard configuration: $!";
print F "KEYTABLE=$keymap\n" or die "failed to write keyboard configuration: $!";
run_program::rooted($prefix, "dumpkeys > /etc/sysconfig/console/default.kmap") or die "dumpkeys failed";
}
sub read($) {
my ($file) = @_;
local *F;
open F, "$file" or die "failed to read keyboard configuration";
foreach (<F>) {
($_) = /^KEYTABLE=(.*)/ or log::l("unrecognized entry in keyboard configuration file ($_)"), next;
s/^\s*"(.*)"\s*$/$1/;
s/\.[^.]*//; # remove extension
return basename($_);
}
die "empty keyboard configuration file";
}
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