qubes-installer-qubes-os/loader/kbd.c
2011-01-18 04:24:57 -05:00

165 lines
4.1 KiB
C

/*
* kbd.c - keyboard handling
*
* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
* All rights reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Author(s): Erik Troan <ewt@redhat.com>
* Matt Wilson <msw@redhat.com>
* Michael Fulbright <msf@redhat.com>
* Jeremy Katz <katzj@redhat.com>
*/
#include <alloca.h>
#include <errno.h>
#include <newt.h>
#include <stdlib.h>
#include <string.h>
#include "loader.h"
#include "loadermisc.h"
#include "log.h"
#include "lang.h"
#include "windows.h"
#include "../isys/stubs.h"
#include "../isys/lang.h"
/* boot flags */
extern uint64_t flags;
int chooseKeyboard(struct loaderData_s * loaderData, char ** kbdtypep) {
int num = -1;
int rc;
gzFile f;
struct kmapHeader hdr;
struct kmapInfo * infoTable;
struct langInfo * languages;
int numLanguages;
char ** kbds;
char buf[16384]; /* I hope this is big enough */
int i;
char * defkbd = loaderData->kbd ? loaderData->kbd : NULL;
char *lang;
#if defined(__s390__) || defined(__s390x__)
return LOADER_NOOP;
#endif
if (FL_SERIAL (flags) || FL_VIRTPCONSOLE(flags)) return LOADER_NOOP;
numLanguages = getLangInfo(&languages);
lang = getenv("LANG");
if (!lang)
lang = loaderData->lang;
if (!defkbd && lang) {
for (i = 0; i < numLanguages; i++) {
if (!strncmp(languages[i].lc_all, lang, 2)) {
defkbd = languages[i].keyboard;
break;
}
}
}
if (!defkbd)
defkbd = "us";
f = gunzip_open("/etc/keymaps.gz");
if (!f) {
errorWindow("cannot open /etc/keymaps.gz: %s");
return LOADER_ERROR;
}
if (gunzip_read(f, &hdr, sizeof(hdr)) != sizeof(hdr)) {
errorWindow("failed to read keymaps header: %s");
gunzip_close(f);
return LOADER_ERROR;
}
logMessage(INFO, "%d keymaps are available", hdr.numEntries);
i = hdr.numEntries * sizeof(*infoTable);
infoTable = alloca(i);
if (gunzip_read(f, infoTable, i) != i) {
errorWindow("failed to read keymap information: %s");
gunzip_close(f);
return LOADER_ERROR;
}
if (num == -1 ) {
kbds = alloca(sizeof(*kbds) * (hdr.numEntries + 1));
for (i = 0; i < hdr.numEntries; i++) {
kbds[i] = infoTable[i].name;
}
kbds[i] = NULL;
qsort(kbds, i, sizeof(*kbds), simpleStringCmp);
for (i = 0; i < hdr.numEntries; i++)
if (!strcmp(kbds[i], defkbd))
num = i;
rc = newtWinMenu(_("Keyboard Type"),
_("What type of keyboard do you have?"),
40, 5, 5, 8, kbds, &num, _("OK"), _("Back"), NULL);
if (rc == 2) return LOADER_BACK;
/* num needs to index the right keyboard infoTable */
for (i = 0; i < hdr.numEntries; i++)
if (!strcmp(kbds[num], infoTable[i].name)) break;
num = i;
}
rc = 0;
for (i = 0; i < num; i++) {
if (gunzip_read(f, buf, infoTable[i].size) != infoTable[i].size) {
logMessage(ERROR, "error reading %d bytes from file: %m",
infoTable[i].size);
gunzip_close(f);
rc = LOADER_ERROR;
}
}
if (!rc) rc = loadKeymap(f);
/* normalize the error condition */
/* MSWFIXME - do we want to warn the user that setting the
keyboard didn't work?
*/
if (rc != 0)
rc = LOADER_ERROR;
else
gunzip_close(f);
loaderData->kbd = strdup(infoTable[num].name);
return rc;
}
void setKickstartKeyboard(struct loaderData_s * loaderData, int argc,
char ** argv) {
if (argc < 2) {
logMessage(ERROR, "no argument passed to keyboard kickstart command");
return;
}
loaderData->kbd = argv[1];
loaderData->kbd_set = 1;
}