2 * Copyright (c) 2002 Jonathan Belson <jon@witchspace.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/usr.sbin/kbdmap/kbdmap.c,v 1.2 2002/10/27 17:44:33 wollman Exp $
27 * $DragonFly: src/usr.sbin/kbdmap/kbdmap.c,v 1.1 2004/06/21 01:37:42 cpressey Exp $
30 #include <sys/cdefs.h>
31 #include <sys/types.h>
32 #include <sys/queue.h>
41 #include <stringlist.h>
47 static const char *lang_default = DEFAULT_LANG;
48 static const char *font;
49 static const char *lang;
50 static const char *program;
51 static const char *keymapdir = DEFAULT_KEYMAP_DIR;
52 static const char *fontdir = DEFAULT_FONT_DIR;
53 static const char *sysconfig = DEFAULT_SYSCONFIG;
54 static const char *font_default = DEFAULT_FONT;
55 static const char *font_current;
56 static const char *dir;
57 static const char *menu = "";
69 SLIST_ENTRY(keymap) entries;
71 static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
75 * Get keymap entry for 'key', or NULL of not found
77 static struct keymap *
78 get_keymap(const char *key)
82 SLIST_FOREACH(km, &head, entries)
83 if (!strcmp(km->keym, key))
90 * Count the number of keymaps we found
98 SLIST_FOREACH(km, &head, entries)
105 * Remove any keymap with given keym
108 remove_keymap(const char *keym)
112 SLIST_FOREACH(km, &head, entries) {
113 if (!strcmp(keym, km->keym)) {
114 SLIST_REMOVE(&head, km, keymap, entries);
122 * Add to hash with 'key'
125 add_keymap(const char *desc, int mark, const char *keym)
127 struct keymap *km, *km_new;
129 /* Is there already an entry with this key? */
130 SLIST_FOREACH(km, &head, entries) {
131 if (!strcmp(km->keym, keym)) {
132 /* Reuse this entry */
134 km->desc = strdup(desc);
140 km_new = (struct keymap *) malloc (sizeof(struct keymap));
141 km_new->desc = strdup(desc);
142 km_new->keym = strdup(keym);
145 /* Add to keymap list */
146 SLIST_INSERT_HEAD(&head, km_new, entries);
150 * Figure out the default language to use.
157 if ((locale = getenv("LC_ALL")) == NULL &&
158 (locale = getenv("LC_CTYPE")) == NULL &&
159 (locale = getenv("LANG")) == NULL)
160 locale = lang_default;
162 /* Check for alias */
163 if (!strcmp(locale, "C"))
164 locale = DEFAULT_LANG;
170 * Extract filename part
173 extract_name(const char *name)
177 p = strrchr(name, '/');
178 if (p != NULL && p[1] != '\0')
185 * Return file extension or NULL
188 get_extension(const char *name)
192 p = strrchr(name, '.');
194 if (p != NULL && p[1] != '\0')
201 * Read font from /etc/rc.conf else return default.
202 * Freeing the memory is the caller's responsibility.
207 char line[256], buf[20];
210 FILE *fp = fopen(sysconfig, "r");
212 while (fgets(line, sizeof(line), fp)) {
218 matches = sscanf(line,
219 " font%dx%d = \"%20[-.0-9a-zA-Z_]",
222 if (strcmp(buf, "NO")) {
225 fnt = (char *) malloc(strlen(buf) + 1);
231 fprintf(stderr, "Could not open %s for reading\n", sysconfig);
237 * Set a font using 'vidcontrol'
240 vidcontrol(const char *fnt)
246 /* syscons test failed */
252 /* Extract font size */
253 p = strrchr(tmp, '-');
254 if (p && p[1] != '\0') {
256 /* Remove any '.fnt' extension */
257 if ((q = strstr(p, ".fnt")))
261 * Check font size is valid, with no trailing characters
262 * ('&ch' should not be matched)
264 if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
265 fprintf(stderr, "Which font size? %s\n", fnt);
268 asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
270 fprintf(stderr, "%s\n", cmd);
275 fprintf(stderr, "Which font size? %s\n", fnt);
281 * Execute 'kbdcontrol' with the appropriate arguments
284 do_kbdcontrol(struct keymap *km)
287 asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
292 printf("keymap=%s\n", km->keym);
297 * Call 'vidcontrol' with the appropriate arguments
300 do_vidfont(struct keymap *km)
302 char *vid_cmd, *tmp, *p, *q;
304 asprintf(&vid_cmd, "%s/%s", dir, km->keym);
308 tmp = strdup(km->keym);
309 p = strrchr(tmp, '-');
310 if (p && p[1]!='\0') {
312 q = get_extension(p);
315 printf("font%s=%s\n", p, km->keym);
322 * Display dialog from 'keymaps[]'
325 show_dialog(struct keymap **km_sorted, int num_keymaps)
329 char tmp_name[] = "/tmp/_kbd_lang.XXXX";
333 fd = mkstemp(tmp_name);
335 fprintf(stderr, "Could not open temporary file \"%s\"\n",
339 asprintf(&dialog, "/usr/bin/dialog --clear --title \"Keyboard Menu\" "
340 "--menu \"%s\" -1 -1 10", menu);
342 ext = extract_name(dir);
344 /* start right font, assume that current font is equal
345 * to default font in /etc/rc.conf
347 * $font is the font which require the language $lang; e.g.
348 * russian *need* a koi8 font
349 * $font_current is the current font from /etc/rc.conf
351 if (font && strcmp(font, font_current))
354 /* Build up the command */
356 for (i=0; i<num_keymaps; i++) {
358 * Each 'font' is passed as ' "font" ""', so allow the
361 size += strlen(km_sorted[i]->desc) + 6;
364 /* Allow the space for '2> tmpfilename' redirection */
365 size += strlen(tmp_name) + 3;
367 cmd = (char *) malloc(strlen(dialog) + size + 1);
370 for (i=0; i<num_keymaps; i++) {
372 strcat(cmd, km_sorted[i]->desc);
374 strcat(cmd, " \"\"");
378 strcat(cmd, tmp_name);
380 /* Show the dialog.. */
383 fp = fopen(tmp_name, "r");
386 if (fgets(choice, 64, fp) != NULL) {
387 /* Find key for desc */
388 for (i=0; i<num_keymaps; i++) {
389 if (!strcmp(choice, km_sorted[i]->desc)) {
390 if (!strcmp(program, "kbdmap"))
391 do_kbdcontrol(km_sorted[i]);
393 do_vidfont(km_sorted[i]);
398 if (font != NULL && strcmp(font, font_current))
399 /* Cancelled, restore old font */
400 vidcontrol(font_current);
404 fprintf(stderr, "Failed to open temporary file");
414 * Search for 'token' in comma delimited array 'buffer'.
415 * Return true for found, false for not found.
418 find_token(const char *buffer, const char *token)
420 char *buffer_tmp, *buffer_copy, *inputstring;
424 buffer_copy = strdup(buffer);
425 buffer_tmp = buffer_copy;
426 inputstring = buffer_copy;
431 while ((*ap = strsep(&inputstring, ",")) != NULL) {
432 if (strcmp(buffer_tmp, token) == 0) {
444 * Compare function for qsort
447 compare_keymap(const void *a, const void *b)
450 /* We've been passed pointers to pointers, so: */
451 const struct keymap *km1 = *((const struct keymap * const *) a);
452 const struct keymap *km2 = *((const struct keymap * const *) b);
454 return strcmp(km1->desc, km2->desc);
458 * Compare function for qsort
461 compare_lang(const void *a, const void *b)
463 const char *l1 = *((const char * const *) a);
464 const char *l2 = *((const char * const *) b);
466 return strcmp(l1, l2);
470 * Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
473 kludge_desc(struct keymap **km_sorted, int num_keymaps)
477 for (i=0; i<num_keymaps; i++) {
479 char *km = km_sorted[i]->desc;
480 if ((p = strstr(km, "8x8")) != NULL) {
487 /* Make enough space for the extra '0' */
489 km = realloc(km, len + 2);
491 for (j=len; j!=offset+1; j--)
496 km_sorted[i]->desc = km;
502 * Reverse 'kludge_desc()' - change '8x08' back to '8x8'
505 unkludge_desc(struct keymap **km_sorted, int num_keymaps)
509 for (i=0; i<num_keymaps; i++) {
511 char *km = km_sorted[i]->desc;
512 if ((p = strstr(km, "8x08")) != NULL) {
517 km = realloc(km, p - km - 1);
518 km_sorted[i]->desc = km;
524 * Return 0 if file exists and is readable, else -1
527 check_file(const char *keym)
531 if (access(keym, R_OK) == -1) {
533 asprintf(&fn, "%s/%s", dir, keym);
534 if (access(fn, R_OK) == -1) {
536 fprintf(stderr, "%s not found!\n", fn);
542 fprintf(stderr, "No read permission for %s!\n", keym);
550 * Read options from the relevent configuration file, then
558 int mark, num_keymaps, items, i;
559 char buffer[256], filename[PATH_MAX];
560 char keym[64], lng[64], desc[64];
561 char dialect[64], lang_abk[64];
563 struct keymap **km_sorted;
565 StringList *lang_list;
569 lang_list = sl_init();
571 sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
573 /* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
574 strlcpy(dialect, lang, sizeof(dialect));
575 if (strlen(dialect) >= 6 && dialect[2] == '-') {
581 /* en_US.ISO8859-1 -> en */
582 strlcpy(lang_abk, lang, sizeof(lang_abk));
583 if (strlen(lang_abk) >= 3 && lang_abk[2] == '-')
586 fprintf(stderr, "lang_default = %s\n", lang_default);
587 fprintf(stderr, "dialect = %s\n", dialect);
588 fprintf(stderr, "lang_abk = %s\n", lang_abk);
590 fp = fopen(filename, "r");
593 while (fgets(buffer, sizeof(buffer), fp)) {
604 /* Parse input, removing newline */
605 matches = sscanf(p, "%64[^:]:%64[^:]:%64[^:\n]",
608 if (strcmp(keym, "FONT")
609 && strcmp(keym, "MENU")) {
610 /* Check file exists & is readable */
611 if (check_file(keym) == -1)
618 * Take note of supported languages, which
619 * might be in a comma-delimited list
621 char *tmp = strdup(lng);
624 for (delim = tmp; ; ) {
626 if (ch == ',' || ch == '\0') {
628 if (!sl_find(lang_list, tmp))
629 sl_add(lang_list, tmp);
636 /* Set empty language to default language */
643 /* 4) Your choice if it exists
644 * 3) Long match eg. en_GB.ISO8859-1 is equal to
646 * 2) short match 'de'
647 * 1) default langlist 'en'
650 * Language may be a comma separated list
651 * A higher match overwrites a lower
652 * A later entry overwrites a previous if it exists
653 * twice in the database
656 /* Check for favoured language */
657 km = get_keymap(keym);
658 mark = (km) ? km->mark : 0;
660 if (find_token(lg, lang))
661 add_keymap(desc, 4, keym);
662 else if (mark <= 3 && find_token(lg, dialect))
663 add_keymap(desc, 3, keym);
664 else if (mark <= 2 && find_token(lg, lang_abk))
665 add_keymap(desc, 2, keym);
666 else if (mark <= 1 && find_token(lg, lang_default))
667 add_keymap(desc, 1, keym);
669 add_keymap(desc, 0, keym);
674 printf("Could not open file\n");
677 qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
679 printf("Currently supported languages: ");
680 for (i=0; i< (int) lang_list->sl_cur; i++)
681 printf("%s ", lang_list->sl_str[i]);
686 km = get_keymap("MENU");
688 /* Take note of menu title */
689 menu = strdup(km->desc);
690 km = get_keymap("FONT");
692 /* Take note of language font */
693 font = strdup(km->desc);
695 /* Remove unwanted items from list */
696 remove_keymap("MENU");
697 remove_keymap("FONT");
699 /* Look for keymaps not in database */
702 while ((dp = readdir(dirp)) != NULL) {
703 const char *ext = get_extension(dp->d_name);
705 if ((!strcmp(ext, ".fnt") ||
706 !strcmp(ext, ".kbd")) &&
707 !get_keymap(dp->d_name)) {
710 /* Remove any .fnt or .kbd extension */
711 q = strdup(dp->d_name);
712 *(get_extension(q)) = '\0';
713 add_keymap(q, 0, dp->d_name);
718 "'%s' not in database\n",
725 fprintf(stderr, "Could not open directory '%s'\n", dir);
727 /* Sort items in keymap */
728 num_keymaps = get_num_keymaps();
730 km_sorted = (struct keymap **)
731 malloc(num_keymaps*sizeof(struct keymap *));
733 /* Make array of pointers to items in hash */
735 SLIST_FOREACH(km, &head, entries)
736 km_sorted[items++] = km;
738 /* Change '8x8' to '8x08' so sort works as we might expect... */
739 kludge_desc(km_sorted, num_keymaps);
741 qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
743 /* ...change back again */
744 unkludge_desc(km_sorted, num_keymaps);
747 for (i=0; i<num_keymaps; i++)
748 printf("%s\n", km_sorted[i]->desc);
752 show_dialog(km_sorted, num_keymaps);
758 * Display usage information and exit
764 fprintf(stderr, "usage: %s\t[-K] [-V] [-d|-default] [-h|-help] "
765 "[-l|-lang language]\n\t\t[-p|-print] [-r|-restore] [-s|-show] "
766 "[-v|-verbose]\n", program);
771 parse_args(int argc, char **argv)
775 for (i=1; i<argc; i++) {
776 if (argv[i][0] != '-')
778 else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
780 else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
782 else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
787 else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
789 else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
791 else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
793 else if (!strcmp(argv[i], "-restore") ||
794 !strcmp(argv[i], "-r")) {
795 vidcontrol(font_current);
797 } else if (!strcmp(argv[i], "-K"))
799 else if (!strcmp(argv[i], "-V"))
807 * A front-end for the 'vidfont' and 'kbdmap' programs.
810 main(int argc, char **argv)
813 x11 = system("kbdcontrol -d >/dev/null");
816 fprintf(stderr, "You are not on a virtual console - "
817 "expect certain strange side-effects\n");
825 program = extract_name(argv[0]);
827 /* Parse command line arguments */
828 parse_args(argc, argv);
830 font_current = get_font();
831 if (font_current == NULL)
832 font_current = font_default;
834 if (strcmp(program, "kbdmap"))
839 /* Read and display options */