2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Christos Zoulas of Cornell University.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $NetBSD: term.c,v 1.46 2006/11/24 00:01:17 christos Exp $
35 #if !defined(lint) && !defined(SCCSID)
36 static char sccsid[] = "@(#)term.c 8.2 (Berkeley) 4/30/95";
37 #endif /* not lint && not SCCSID */
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
42 * term.c: Editor/termcap-curses interface
43 * We have to declare a static variable here, since the
44 * termcap putchar routine does not take an argument!
55 #include <sys/types.h>
56 #include <sys/ioctl.h>
61 * IMPORTANT NOTE: these routines are allowed to look at the current screen
62 * and the current possition assuming that it is correct. If this is not
63 * true, then the update will be WRONG! This is (should be) a valid
67 #define TC_BUFSIZE 2048
69 #define GoodStr(a) (el->el_term.t_str[a] != NULL && \
70 el->el_term.t_str[a][0] != '\0')
71 #define Str(a) el->el_term.t_str[a]
72 #define Val(a) el->el_term.t_val[a]
75 private const struct {
146 private const struct termcapstr {
148 const char *long_name;
151 { "al", "add new blank line" },
153 { "bl", "audible bell" },
155 { "cd", "clear to bottom" },
157 { "ce", "clear to end of line" },
159 { "ch", "cursor to horiz pos" },
161 { "cl", "clear screen" },
163 { "dc", "delete a character" },
165 { "dl", "delete a line" },
167 { "dm", "start delete mode" },
169 { "ed", "end delete mode" },
171 { "ei", "end insert mode" },
173 { "fs", "cursor from status line" },
175 { "ho", "home cursor" },
177 { "ic", "insert character" },
179 { "im", "start insert mode" },
181 { "ip", "insert padding" },
183 { "kd", "sends cursor down" },
185 { "kl", "sends cursor left" },
187 { "kr", "sends cursor right" },
189 { "ku", "sends cursor up" },
191 { "md", "begin bold" },
193 { "me", "end attributes" },
195 { "nd", "non destructive space" },
197 { "se", "end standout" },
199 { "so", "begin standout" },
201 { "ts", "cursor to status line" },
203 { "up", "cursor up one" },
205 { "us", "begin underline" },
207 { "ue", "end underline" },
209 { "vb", "visible bell" },
211 { "DC", "delete multiple chars" },
213 { "DO", "cursor down multiple" },
215 { "IC", "insert multiple chars" },
217 { "LE", "cursor left multiple" },
219 { "RI", "cursor right multiple" },
221 { "UP", "cursor up multiple" },
223 { "kh", "send cursor home" },
225 { "@7", "send cursor end" },
227 { "kD", "send cursor delete" },
232 private const struct termcapval {
234 const char *long_name;
237 { "am", "has automatic margins" },
239 { "pt", "has physical tabs" },
241 { "li", "Number of lines" },
243 { "co", "Number of columns" },
245 { "km", "Has meta key" },
247 { "xt", "Tab chars destructive" },
249 { "xn", "newline ignored at right margin" },
251 { "MT", "Has meta key" }, /* XXX? */
255 /* do two or more of the attributes use me */
257 private void term_setflags(EditLine *);
258 private int term_rebuffer_display(EditLine *);
259 private void term_free_display(EditLine *);
260 private int term_alloc_display(EditLine *);
261 private void term_alloc(EditLine *, const struct termcapstr *, const char *);
262 private void term_init_arrow(EditLine *);
263 private void term_reset_arrow(EditLine *);
266 private FILE *term_outfile = NULL; /* XXX: How do we fix that? */
270 * Set the terminal capability flags
273 term_setflags(EditLine *el)
276 if (el->el_tty.t_tabs)
277 EL_FLAGS |= (Val(T_pt) && !Val(T_xt)) ? TERM_CAN_TAB : 0;
279 EL_FLAGS |= (Val(T_km) || Val(T_MT)) ? TERM_HAS_META : 0;
280 EL_FLAGS |= GoodStr(T_ce) ? TERM_CAN_CEOL : 0;
281 EL_FLAGS |= (GoodStr(T_dc) || GoodStr(T_DC)) ? TERM_CAN_DELETE : 0;
282 EL_FLAGS |= (GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC)) ?
284 EL_FLAGS |= (GoodStr(T_up) || GoodStr(T_UP)) ? TERM_CAN_UP : 0;
285 EL_FLAGS |= Val(T_am) ? TERM_HAS_AUTO_MARGINS : 0;
286 EL_FLAGS |= Val(T_xn) ? TERM_HAS_MAGIC_MARGINS : 0;
288 if (GoodStr(T_me) && GoodStr(T_ue))
289 EL_FLAGS |= (strcmp(Str(T_me), Str(T_ue)) == 0) ?
292 EL_FLAGS &= ~TERM_CAN_ME;
293 if (GoodStr(T_me) && GoodStr(T_se))
294 EL_FLAGS |= (strcmp(Str(T_me), Str(T_se)) == 0) ?
300 (void) fprintf(el->el_errfile,
301 "WARNING: Your terminal cannot move up.\n");
302 (void) fprintf(el->el_errfile,
303 "Editing may be odd for long lines.\n");
306 (void) fprintf(el->el_errfile, "no clear EOL capability.\n");
308 (void) fprintf(el->el_errfile, "no delete char capability.\n");
310 (void) fprintf(el->el_errfile, "no insert char capability.\n");
311 #endif /* DEBUG_SCREEN */
316 * Initialize the terminal stuff
319 term_init(EditLine *el)
322 el->el_term.t_buf = (char *) el_malloc(TC_BUFSIZE);
323 if (el->el_term.t_buf == NULL)
325 el->el_term.t_cap = (char *) el_malloc(TC_BUFSIZE);
326 if (el->el_term.t_cap == NULL)
328 el->el_term.t_fkey = (fkey_t *) el_malloc(A_K_NKEYS * sizeof(fkey_t));
329 if (el->el_term.t_fkey == NULL)
331 el->el_term.t_loc = 0;
332 el->el_term.t_str = (char **) el_malloc(T_str * sizeof(char *));
333 if (el->el_term.t_str == NULL)
335 (void) memset(el->el_term.t_str, 0, T_str * sizeof(char *));
336 el->el_term.t_val = (int *) el_malloc(T_val * sizeof(int));
337 if (el->el_term.t_val == NULL)
339 (void) memset(el->el_term.t_val, 0, T_val * sizeof(int));
340 term_outfile = el->el_outfile;
342 (void) term_set(el, NULL);
347 * Clean up the terminal stuff
350 term_end(EditLine *el)
353 el_free((ptr_t) el->el_term.t_buf);
354 el->el_term.t_buf = NULL;
355 el_free((ptr_t) el->el_term.t_cap);
356 el->el_term.t_cap = NULL;
357 el->el_term.t_loc = 0;
358 el_free((ptr_t) el->el_term.t_str);
359 el->el_term.t_str = NULL;
360 el_free((ptr_t) el->el_term.t_val);
361 el->el_term.t_val = NULL;
362 el_free((ptr_t) el->el_term.t_fkey);
363 el->el_term.t_fkey = NULL;
364 term_free_display(el);
369 * Maintain a string pool for termcap strings
372 term_alloc(EditLine *el, const struct termcapstr *t, const char *cap)
374 char termbuf[TC_BUFSIZE];
376 char **tlist = el->el_term.t_str;
377 char **tmp, **str = &tlist[t - tstr];
379 if (cap == NULL || *cap == '\0') {
385 tlen = *str == NULL ? 0 : strlen(*str);
388 * New string is shorter; no need to allocate space
392 (void) strcpy(*str, cap); /* XXX strcpy is safe */
396 * New string is longer; see if we have enough space to append
398 if (el->el_term.t_loc + 3 < TC_BUFSIZE) {
399 /* XXX strcpy is safe */
400 (void) strcpy(*str = &el->el_term.t_buf[el->el_term.t_loc],
402 el->el_term.t_loc += clen + 1; /* one for \0 */
406 * Compact our buffer; no need to check compaction, cause we know it
410 for (tmp = tlist; tmp < &tlist[T_str]; tmp++)
411 if (*tmp != NULL && *tmp != '\0' && *tmp != *str) {
414 for (ptr = *tmp; *ptr != '\0'; termbuf[tlen++] = *ptr++)
416 termbuf[tlen++] = '\0';
418 memcpy(el->el_term.t_buf, termbuf, TC_BUFSIZE);
419 el->el_term.t_loc = tlen;
420 if (el->el_term.t_loc + 3 >= TC_BUFSIZE) {
421 (void) fprintf(el->el_errfile,
422 "Out of termcap string space.\n");
425 /* XXX strcpy is safe */
426 (void) strcpy(*str = &el->el_term.t_buf[el->el_term.t_loc], cap);
427 el->el_term.t_loc += clen + 1; /* one for \0 */
432 /* term_rebuffer_display():
433 * Rebuffer the display after the screen changed size
436 term_rebuffer_display(EditLine *el)
438 coord_t *c = &el->el_term.t_size;
440 term_free_display(el);
445 if (term_alloc_display(el) == -1)
451 /* term_alloc_display():
452 * Allocate a new display.
455 term_alloc_display(EditLine *el)
459 coord_t *c = &el->el_term.t_size;
461 b = (char **) el_malloc((size_t) (sizeof(char *) * (c->v + 1)));
464 for (i = 0; i < c->v; i++) {
465 b[i] = (char *) el_malloc((size_t) (sizeof(char) * (c->h + 1)));
468 el_free((ptr_t) b[i]);
476 b = (char **) el_malloc((size_t) (sizeof(char *) * (c->v + 1)));
479 for (i = 0; i < c->v; i++) {
480 b[i] = (char *) el_malloc((size_t) (sizeof(char) * (c->h + 1)));
483 el_free((ptr_t) b[i]);
494 /* term_free_display():
495 * Free the display buffers
498 term_free_display(EditLine *el)
504 el->el_display = NULL;
506 for (bufp = b; *bufp != NULL; bufp++)
507 el_free((ptr_t) * bufp);
511 el->el_vdisplay = NULL;
513 for (bufp = b; *bufp != NULL; bufp++)
514 el_free((ptr_t) * bufp);
520 /* term_move_to_line():
521 * move to line <where> (first line == 0)
522 * as efficiently as possible
525 term_move_to_line(EditLine *el, int where)
529 if (where == el->el_cursor.v)
532 if (where > el->el_term.t_size.v) {
534 (void) fprintf(el->el_errfile,
535 "term_move_to_line: where is ridiculous: %d\r\n", where);
536 #endif /* DEBUG_SCREEN */
539 if ((del = where - el->el_cursor.v) > 0) {
541 if (EL_HAS_AUTO_MARGINS &&
542 el->el_display[el->el_cursor.v][0] != '\0') {
543 /* move without newline */
544 term_move_to_char(el, el->el_term.t_size.h - 1);
546 &el->el_display[el->el_cursor.v][el->el_cursor.h],
551 if ((del > 1) && GoodStr(T_DO)) {
552 (void) tputs(tgoto(Str(T_DO), del, del),
556 for (; del > 0; del--)
558 /* because the \n will become \r\n */
563 } else { /* del < 0 */
564 if (GoodStr(T_UP) && (-del > 1 || !GoodStr(T_up)))
565 (void) tputs(tgoto(Str(T_UP), -del, -del), -del,
569 for (; del < 0; del++)
570 (void) tputs(Str(T_up), 1, term__putc);
573 el->el_cursor.v = where;/* now where is here */
577 /* term_move_to_char():
578 * Move to the character position specified
581 term_move_to_char(EditLine *el, int where)
586 if (where == el->el_cursor.h)
589 if (where > el->el_term.t_size.h) {
591 (void) fprintf(el->el_errfile,
592 "term_move_to_char: where is riduculous: %d\r\n", where);
593 #endif /* DEBUG_SCREEN */
596 if (!where) { /* if where is first column */
597 term__putc('\r'); /* do a CR */
601 del = where - el->el_cursor.h;
603 if ((del < -4 || del > 4) && GoodStr(T_ch))
604 /* go there directly */
605 (void) tputs(tgoto(Str(T_ch), where, where), where, term__putc);
607 if (del > 0) { /* moving forward */
608 if ((del > 4) && GoodStr(T_RI))
609 (void) tputs(tgoto(Str(T_RI), del, del),
612 /* if I can do tabs, use them */
614 if ((el->el_cursor.h & 0370) !=
616 /* if not within tab stop */
618 (el->el_cursor.h & 0370);
623 el->el_cursor.h = where & 0370;
627 * it's usually cheaper to just write the
631 * NOTE THAT term_overwrite() WILL CHANGE
635 &el->el_display[el->el_cursor.v][el->el_cursor.h],
636 where - el->el_cursor.h);
639 } else { /* del < 0 := moving backward */
640 if ((-del > 4) && GoodStr(T_LE))
641 (void) tputs(tgoto(Str(T_LE), -del, -del),
643 else { /* can't go directly there */
645 * if the "cost" is greater than the "cost"
649 ((unsigned int)-del >
650 (((unsigned int) where >> 3) +
653 term__putc('\r'); /* do a CR */
655 goto mc_again; /* and try again */
657 for (i = 0; i < -del; i++)
662 el->el_cursor.h = where; /* now where is here */
667 * Overstrike num characters
670 term_overwrite(EditLine *el, const char *cp, int n)
673 return; /* catch bugs */
675 if (n > el->el_term.t_size.h) {
677 (void) fprintf(el->el_errfile,
678 "term_overwrite: n is riduculous: %d\r\n", n);
679 #endif /* DEBUG_SCREEN */
687 if (el->el_cursor.h >= el->el_term.t_size.h) { /* wrap? */
688 if (EL_HAS_AUTO_MARGINS) { /* yes */
691 if (EL_HAS_MAGIC_MARGINS) {
692 /* force the wrap to avoid the "magic"
695 if ((c = el->el_display[el->el_cursor.v][el->el_cursor.h])
697 term_overwrite(el, &c, 1);
702 } else /* no wrap, but cursor stays on screen */
703 el->el_cursor.h = el->el_term.t_size.h;
708 /* term_deletechars():
709 * Delete num characters
712 term_deletechars(EditLine *el, int num)
717 if (!EL_CAN_DELETE) {
719 (void) fprintf(el->el_errfile, " ERROR: cannot delete \n");
720 #endif /* DEBUG_EDIT */
723 if (num > el->el_term.t_size.h) {
725 (void) fprintf(el->el_errfile,
726 "term_deletechars: num is riduculous: %d\r\n", num);
727 #endif /* DEBUG_SCREEN */
730 if (GoodStr(T_DC)) /* if I have multiple delete */
731 if ((num > 1) || !GoodStr(T_dc)) { /* if dc would be more
733 (void) tputs(tgoto(Str(T_DC), num, num),
737 if (GoodStr(T_dm)) /* if I have delete mode */
738 (void) tputs(Str(T_dm), 1, term__putc);
740 if (GoodStr(T_dc)) /* else do one at a time */
742 (void) tputs(Str(T_dc), 1, term__putc);
744 if (GoodStr(T_ed)) /* if I have delete mode */
745 (void) tputs(Str(T_ed), 1, term__putc);
749 /* term_insertwrite():
750 * Puts terminal in insert character mode or inserts num
751 * characters in the line
754 term_insertwrite(EditLine *el, char *cp, int num)
758 if (!EL_CAN_INSERT) {
760 (void) fprintf(el->el_errfile, " ERROR: cannot insert \n");
761 #endif /* DEBUG_EDIT */
764 if (num > el->el_term.t_size.h) {
766 (void) fprintf(el->el_errfile,
767 "StartInsert: num is riduculous: %d\r\n", num);
768 #endif /* DEBUG_SCREEN */
771 if (GoodStr(T_IC)) /* if I have multiple insert */
772 if ((num > 1) || !GoodStr(T_ic)) {
773 /* if ic would be more expensive */
774 (void) tputs(tgoto(Str(T_IC), num, num),
776 term_overwrite(el, cp, num);
777 /* this updates el_cursor.h */
780 if (GoodStr(T_im) && GoodStr(T_ei)) { /* if I have insert mode */
781 (void) tputs(Str(T_im), 1, term__putc);
783 el->el_cursor.h += num;
788 if (GoodStr(T_ip)) /* have to make num chars insert */
789 (void) tputs(Str(T_ip), 1, term__putc);
791 (void) tputs(Str(T_ei), 1, term__putc);
795 if (GoodStr(T_ic)) /* have to make num chars insert */
796 (void) tputs(Str(T_ic), 1, term__putc);
803 if (GoodStr(T_ip)) /* have to make num chars insert */
804 (void) tputs(Str(T_ip), 1, term__putc);
805 /* pad the inserted char */
812 * clear to end of line. There are num characters to clear
815 term_clear_EOL(EditLine *el, int num)
819 if (EL_CAN_CEOL && GoodStr(T_ce))
820 (void) tputs(Str(T_ce), 1, term__putc);
822 for (i = 0; i < num; i++)
824 el->el_cursor.h += num; /* have written num spaces */
829 /* term_clear_screen():
833 term_clear_screen(EditLine *el)
834 { /* clear the whole screen and home */
837 /* send the clear screen code */
838 (void) tputs(Str(T_cl), Val(T_li), term__putc);
839 else if (GoodStr(T_ho) && GoodStr(T_cd)) {
840 (void) tputs(Str(T_ho), Val(T_li), term__putc); /* home */
841 /* clear to bottom of screen */
842 (void) tputs(Str(T_cd), Val(T_li), term__putc);
851 * Beep the way the terminal wants us
854 term_beep(EditLine *el)
857 /* what termcap says we should use */
858 (void) tputs(Str(T_bl), 1, term__putc);
860 term__putc('\007'); /* an ASCII bell; ^G */
865 /* term_clear_to_bottom():
866 * Clear to the bottom of the screen
869 term_clear_to_bottom(EditLine *el)
872 (void) tputs(Str(T_cd), Val(T_li), term__putc);
873 else if (GoodStr(T_ce))
874 (void) tputs(Str(T_ce), Val(T_li), term__putc);
879 term_get(EditLine *el, const char **term)
881 *term = el->el_term.t_name;
886 * Read in the terminal capabilities from the requested terminal
889 term_set(EditLine *el, const char *term)
892 char buf[TC_BUFSIZE];
894 const struct termcapstr *t;
898 (void) sigemptyset(&nset);
899 (void) sigaddset(&nset, SIGWINCH);
900 (void) sigprocmask(SIG_BLOCK, &nset, &oset);
906 term = getenv("TERM");
908 if (!term || !term[0])
911 if (strcmp(term, "emacs") == 0)
912 el->el_flags |= EDIT_DISABLED;
914 memset(el->el_term.t_cap, 0, TC_BUFSIZE);
916 i = tgetent(el->el_term.t_cap, term);
920 (void) fprintf(el->el_errfile,
921 "Cannot read termcap database;\n");
923 (void) fprintf(el->el_errfile,
924 "No entry for terminal type \"%s\";\n", term);
925 (void) fprintf(el->el_errfile,
926 "using dumb terminal settings.\n");
927 Val(T_co) = 80; /* do a dumb terminal */
928 Val(T_pt) = Val(T_km) = Val(T_li) = 0;
929 Val(T_xt) = Val(T_MT);
930 for (t = tstr; t->name != NULL; t++)
931 term_alloc(el, t, NULL);
933 /* auto/magic margins */
934 Val(T_am) = tgetflag("am");
935 Val(T_xn) = tgetflag("xn");
937 Val(T_pt) = tgetflag("pt");
938 Val(T_xt) = tgetflag("xt");
939 /* do we have a meta? */
940 Val(T_km) = tgetflag("km");
941 Val(T_MT) = tgetflag("MT");
943 Val(T_co) = tgetnum("co");
944 Val(T_li) = tgetnum("li");
945 for (t = tstr; t->name != NULL; t++) {
946 /* XXX: some systems' tgetstr needs non const */
947 term_alloc(el, t, tgetstr(strchr(t->name, *t->name),
953 Val(T_co) = 80; /* just in case */
957 el->el_term.t_size.v = Val(T_co);
958 el->el_term.t_size.h = Val(T_li);
962 /* get the correct window size */
963 (void) term_get_size(el, &lins, &cols);
964 if (term_change_size(el, lins, cols) == -1)
966 (void) sigprocmask(SIG_SETMASK, &oset, NULL);
968 el->el_term.t_name = term;
969 return (i <= 0 ? -1 : 0);
974 * Return the new window size in lines and cols, and
975 * true if the size was changed.
978 term_get_size(EditLine *el, int *lins, int *cols)
987 if (ioctl(el->el_infd, TIOCGWINSZ, (ioctl_t) & ws) != -1) {
998 if (ioctl(el->el_infd, TIOCGSIZE, (ioctl_t) & ts) != -1) {
1002 *lins = ts.ts_lines;
1006 return (Val(T_co) != *cols || Val(T_li) != *lins);
1010 /* term_change_size():
1011 * Change the size of the terminal
1014 term_change_size(EditLine *el, int lins, int cols)
1019 Val(T_co) = (cols < 2) ? 80 : cols;
1020 Val(T_li) = (lins < 1) ? 24 : lins;
1022 /* re-make display buffers */
1023 if (term_rebuffer_display(el) == -1)
1025 re_clear_display(el);
1030 /* term_init_arrow():
1031 * Initialize the arrow key bindings from termcap
1034 term_init_arrow(EditLine *el)
1036 fkey_t *arrow = el->el_term.t_fkey;
1038 arrow[A_K_DN].name = "down";
1039 arrow[A_K_DN].key = T_kd;
1040 arrow[A_K_DN].fun.cmd = ED_NEXT_HISTORY;
1041 arrow[A_K_DN].type = XK_CMD;
1043 arrow[A_K_UP].name = "up";
1044 arrow[A_K_UP].key = T_ku;
1045 arrow[A_K_UP].fun.cmd = ED_PREV_HISTORY;
1046 arrow[A_K_UP].type = XK_CMD;
1048 arrow[A_K_LT].name = "left";
1049 arrow[A_K_LT].key = T_kl;
1050 arrow[A_K_LT].fun.cmd = ED_PREV_CHAR;
1051 arrow[A_K_LT].type = XK_CMD;
1053 arrow[A_K_RT].name = "right";
1054 arrow[A_K_RT].key = T_kr;
1055 arrow[A_K_RT].fun.cmd = ED_NEXT_CHAR;
1056 arrow[A_K_RT].type = XK_CMD;
1058 arrow[A_K_HO].name = "home";
1059 arrow[A_K_HO].key = T_kh;
1060 arrow[A_K_HO].fun.cmd = ED_MOVE_TO_BEG;
1061 arrow[A_K_HO].type = XK_CMD;
1063 arrow[A_K_EN].name = "end";
1064 arrow[A_K_EN].key = T_at7;
1065 arrow[A_K_EN].fun.cmd = ED_MOVE_TO_END;
1066 arrow[A_K_EN].type = XK_CMD;
1068 arrow[A_K_DE].name = "delete";
1069 arrow[A_K_DE].key = T_kD;
1070 arrow[A_K_DE].fun.cmd = ED_DELETE_NEXT_CHAR;
1071 arrow[A_K_DE].type = XK_CMD;
1075 /* term_reset_arrow():
1076 * Reset arrow key bindings
1079 term_reset_arrow(EditLine *el)
1081 fkey_t *arrow = el->el_term.t_fkey;
1082 static const char strA[] = {033, '[', 'A', '\0'};
1083 static const char strB[] = {033, '[', 'B', '\0'};
1084 static const char strC[] = {033, '[', 'C', '\0'};
1085 static const char strD[] = {033, '[', 'D', '\0'};
1086 static const char strH[] = {033, '[', 'H', '\0'};
1087 static const char strF[] = {033, '[', 'F', '\0'};
1088 static const char str1[] = {033, '[', '1', '~', '\0'};
1089 static const char str4[] = {033, '[', '4', '~', '\0'};
1090 static const char stOA[] = {033, 'O', 'A', '\0'};
1091 static const char stOB[] = {033, 'O', 'B', '\0'};
1092 static const char stOC[] = {033, 'O', 'C', '\0'};
1093 static const char stOD[] = {033, 'O', 'D', '\0'};
1094 static const char stOH[] = {033, 'O', 'H', '\0'};
1095 static const char stOF[] = {033, 'O', 'F', '\0'};
1097 key_add(el, strA, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
1098 key_add(el, strB, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
1099 key_add(el, strC, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
1100 key_add(el, strD, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
1101 key_add(el, strH, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
1102 key_add(el, strF, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
1103 key_add(el, str1, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
1104 key_add(el, str4, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
1105 key_add(el, stOA, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
1106 key_add(el, stOB, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
1107 key_add(el, stOC, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
1108 key_add(el, stOD, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
1109 key_add(el, stOH, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
1110 key_add(el, stOF, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
1112 if (el->el_map.type == MAP_VI) {
1113 key_add(el, &strA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type);
1114 key_add(el, &strB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type);
1115 key_add(el, &strC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type);
1116 key_add(el, &strD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type);
1117 key_add(el, &strH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type);
1118 key_add(el, &strF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type);
1119 key_add(el, &str1[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type);
1120 key_add(el, &str4[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type);
1121 key_add(el, &stOA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type);
1122 key_add(el, &stOB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type);
1123 key_add(el, &stOC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type);
1124 key_add(el, &stOD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type);
1125 key_add(el, &stOH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type);
1126 key_add(el, &stOF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type);
1131 /* term_set_arrow():
1132 * Set an arrow key binding
1135 term_set_arrow(EditLine *el, const char *name, key_value_t *fun, int type)
1137 fkey_t *arrow = el->el_term.t_fkey;
1140 for (i = 0; i < A_K_NKEYS; i++)
1141 if (strcmp(name, arrow[i].name) == 0) {
1142 arrow[i].fun = *fun;
1143 arrow[i].type = type;
1150 /* term_clear_arrow():
1151 * Clear an arrow key binding
1154 term_clear_arrow(EditLine *el, const char *name)
1156 fkey_t *arrow = el->el_term.t_fkey;
1159 for (i = 0; i < A_K_NKEYS; i++)
1160 if (strcmp(name, arrow[i].name) == 0) {
1161 arrow[i].type = XK_NOD;
1168 /* term_print_arrow():
1169 * Print the arrow key bindings
1172 term_print_arrow(EditLine *el, const char *name)
1175 fkey_t *arrow = el->el_term.t_fkey;
1177 for (i = 0; i < A_K_NKEYS; i++)
1178 if (*name == '\0' || strcmp(name, arrow[i].name) == 0)
1179 if (arrow[i].type != XK_NOD)
1180 key_kprint(el, arrow[i].name, &arrow[i].fun,
1185 /* term_bind_arrow():
1186 * Bind the arrow keys
1189 term_bind_arrow(EditLine *el)
1192 const el_action_t *dmap;
1195 fkey_t *arrow = el->el_term.t_fkey;
1197 /* Check if the components needed are initialized */
1198 if (el->el_term.t_buf == NULL || el->el_map.key == NULL)
1201 map = el->el_map.type == MAP_VI ? el->el_map.alt : el->el_map.key;
1202 dmap = el->el_map.type == MAP_VI ? el->el_map.vic : el->el_map.emacs;
1204 term_reset_arrow(el);
1206 for (i = 0; i < A_K_NKEYS; i++) {
1207 p = el->el_term.t_str[arrow[i].key];
1209 j = (unsigned char) *p;
1211 * Assign the arrow keys only if:
1213 * 1. They are multi-character arrow keys and the user
1214 * has not re-assigned the leading character, or
1215 * has re-assigned the leading character to be
1216 * ED_SEQUENCE_LEAD_IN
1217 * 2. They are single arrow keys pointing to an
1220 if (arrow[i].type == XK_NOD)
1221 key_clear(el, map, p);
1223 if (p[1] && (dmap[j] == map[j] ||
1224 map[j] == ED_SEQUENCE_LEAD_IN)) {
1225 key_add(el, p, &arrow[i].fun,
1227 map[j] = ED_SEQUENCE_LEAD_IN;
1228 } else if (map[j] == ED_UNASSIGNED) {
1229 key_clear(el, map, p);
1230 if (arrow[i].type == XK_CMD)
1231 map[j] = arrow[i].fun.cmd;
1233 key_add(el, p, &arrow[i].fun,
1249 return (fputc(c, term_outfile));
1260 (void) fflush(term_outfile);
1264 * Write the given character out, in a human readable form
1267 term_writec(EditLine *el, int c)
1270 int cnt = key__decode_char(buf, sizeof(buf), 0, c);
1272 term_overwrite(el, buf, cnt);
1278 * Print the current termcap characteristics
1282 term_telltc(EditLine *el, int argc __unused,
1283 const char **argv __unused)
1285 const struct termcapstr *t;
1287 char upbuf[EL_BUFSIZ];
1289 (void) fprintf(el->el_outfile, "\n\tYour terminal has the\n");
1290 (void) fprintf(el->el_outfile, "\tfollowing characteristics:\n\n");
1291 (void) fprintf(el->el_outfile, "\tIt has %d columns and %d lines\n",
1292 Val(T_co), Val(T_li));
1293 (void) fprintf(el->el_outfile,
1294 "\tIt has %s meta key\n", EL_HAS_META ? "a" : "no");
1295 (void) fprintf(el->el_outfile,
1296 "\tIt can%suse tabs\n", EL_CAN_TAB ? " " : "not ");
1297 (void) fprintf(el->el_outfile, "\tIt %s automatic margins\n",
1298 EL_HAS_AUTO_MARGINS ? "has" : "does not have");
1299 if (EL_HAS_AUTO_MARGINS)
1300 (void) fprintf(el->el_outfile, "\tIt %s magic margins\n",
1301 EL_HAS_MAGIC_MARGINS ? "has" : "does not have");
1303 for (t = tstr, ts = el->el_term.t_str; t->name != NULL; t++, ts++) {
1306 (void) key__decode_str(*ts, upbuf, sizeof(upbuf), "");
1311 (void) fprintf(el->el_outfile, "\t%25s (%s) == %s\n",
1312 t->long_name, t->name, ub);
1314 (void) fputc('\n', el->el_outfile);
1320 * Change the current terminal characteristics
1324 term_settc(EditLine *el, int argc __unused,
1327 const struct termcapstr *ts;
1328 const struct termcapval *tv;
1329 const char *what, *how;
1331 if (argv == NULL || argv[1] == NULL || argv[2] == NULL)
1338 * Do the strings first
1340 for (ts = tstr; ts->name != NULL; ts++)
1341 if (strcmp(ts->name, what) == 0)
1344 if (ts->name != NULL) {
1345 term_alloc(el, ts, how);
1350 * Do the numeric ones second
1352 for (tv = tval; tv->name != NULL; tv++)
1353 if (strcmp(tv->name, what) == 0)
1356 if (tv->name != NULL)
1359 if (tv == &tval[T_pt] || tv == &tval[T_km] ||
1360 tv == &tval[T_am] || tv == &tval[T_xn]) {
1361 if (strcmp(how, "yes") == 0)
1362 el->el_term.t_val[tv - tval] = 1;
1363 else if (strcmp(how, "no") == 0)
1364 el->el_term.t_val[tv - tval] = 0;
1366 (void) fprintf(el->el_errfile,
1367 "%s: Bad value `%s'.\n", argv[0], how);
1371 if (term_change_size(el, Val(T_li), Val(T_co)) == -1)
1378 i = strtol(how, &ep, 10);
1380 (void) fprintf(el->el_errfile,
1381 "%s: Bad value `%s'.\n", argv[0], how);
1384 el->el_term.t_val[tv - tval] = (int) i;
1385 el->el_term.t_size.v = Val(T_co);
1386 el->el_term.t_size.h = Val(T_li);
1387 if (tv == &tval[T_co] || tv == &tval[T_li])
1388 if (term_change_size(el, Val(T_li), Val(T_co))
1397 * Get the current terminal characteristics
1401 term_gettc(EditLine *el, int argc __unused, char **argv)
1403 const struct termcapstr *ts;
1404 const struct termcapval *tv;
1408 if (argv == NULL || argv[1] == NULL || argv[2] == NULL)
1415 * Do the strings first
1417 for (ts = tstr; ts->name != NULL; ts++)
1418 if (strcmp(ts->name, what) == 0)
1421 if (ts->name != NULL) {
1422 *(char **)how = el->el_term.t_str[ts - tstr];
1426 * Do the numeric ones second
1428 for (tv = tval; tv->name != NULL; tv++)
1429 if (strcmp(tv->name, what) == 0)
1432 if (tv->name == NULL)
1435 if (tv == &tval[T_pt] || tv == &tval[T_km] ||
1436 tv == &tval[T_am] || tv == &tval[T_xn]) {
1437 static char yes[] = "yes";
1438 static char no[] = "no";
1439 if (el->el_term.t_val[tv - tval])
1440 *(char **)how = yes;
1445 *(int *)how = el->el_term.t_val[tv - tval];
1451 * Print the termcap string out with variable substitution
1455 term_echotc(EditLine *el, int argc __unused,
1458 char *cap, *scap, *ep;
1459 int arg_need, arg_cols, arg_rows;
1460 int verbose = 0, silent = 0;
1462 static const char fmts[] = "%s\n", fmtd[] = "%d\n";
1463 const struct termcapstr *t;
1464 char buf[TC_BUFSIZE];
1469 if (argv == NULL || argv[1] == NULL)
1473 if (argv[0][0] == '-') {
1474 switch (argv[0][1]) {
1482 /* stderror(ERR_NAME | ERR_TCUSAGE); */
1487 if (!*argv || *argv[0] == '\0')
1489 if (strcmp(*argv, "tabs") == 0) {
1490 (void) fprintf(el->el_outfile, fmts, EL_CAN_TAB ? "yes" : "no");
1492 } else if (strcmp(*argv, "meta") == 0) {
1493 (void) fprintf(el->el_outfile, fmts, Val(T_km) ? "yes" : "no");
1495 } else if (strcmp(*argv, "xn") == 0) {
1496 (void) fprintf(el->el_outfile, fmts, EL_HAS_MAGIC_MARGINS ?
1499 } else if (strcmp(*argv, "am") == 0) {
1500 (void) fprintf(el->el_outfile, fmts, EL_HAS_AUTO_MARGINS ?
1503 } else if (strcmp(*argv, "baud") == 0) {
1507 for (i = 0; baud_rate[i].b_name != NULL; i++)
1508 if (el->el_tty.t_speed == baud_rate[i].b_rate) {
1509 (void) fprintf(el->el_outfile, fmts,
1510 baud_rate[i].b_name);
1513 (void) fprintf(el->el_outfile, fmtd, 0);
1515 (void) fprintf(el->el_outfile, fmtd, (int)el->el_tty.t_speed);
1518 } else if (strcmp(*argv, "rows") == 0 || strcmp(*argv, "lines") == 0) {
1519 (void) fprintf(el->el_outfile, fmtd, Val(T_li));
1521 } else if (strcmp(*argv, "cols") == 0) {
1522 (void) fprintf(el->el_outfile, fmtd, Val(T_co));
1526 * Try to use our local definition first
1529 for (t = tstr; t->name != NULL; t++)
1530 if (strcmp(t->name, *argv) == 0) {
1531 scap = el->el_term.t_str[t - tstr];
1534 if (t->name == NULL) {
1535 /* XXX: some systems' tgetstr needs non const */
1536 scap = tgetstr(strchr(*argv, **argv), &area);
1538 if (!scap || scap[0] == '\0') {
1540 (void) fprintf(el->el_errfile,
1541 "echotc: Termcap parameter `%s' not found.\n",
1546 * Count home many values we need for this capability.
1548 for (cap = scap, arg_need = 0; *cap; cap++)
1568 * hpux has lot's of them...
1571 (void) fprintf(el->el_errfile,
1572 "echotc: Warning: unknown termcap %% `%c'.\n",
1574 /* This is bad, but I won't complain */
1581 if (*argv && *argv[0]) {
1583 (void) fprintf(el->el_errfile,
1584 "echotc: Warning: Extra argument `%s'.\n",
1588 (void) tputs(scap, 1, term__putc);
1592 if (!*argv || *argv[0] == '\0') {
1594 (void) fprintf(el->el_errfile,
1595 "echotc: Warning: Missing argument.\n");
1599 i = strtol(*argv, &ep, 10);
1600 if (*ep != '\0' || i < 0) {
1602 (void) fprintf(el->el_errfile,
1603 "echotc: Bad value `%s' for rows.\n",
1609 if (*argv && *argv[0]) {
1611 (void) fprintf(el->el_errfile,
1612 "echotc: Warning: Extra argument `%s'.\n",
1616 (void) tputs(tgoto(scap, arg_cols, arg_rows), 1, term__putc);
1619 /* This is wrong, but I will ignore it... */
1621 (void) fprintf(el->el_errfile,
1622 "echotc: Warning: Too many required arguments (%d).\n",
1627 if (!*argv || *argv[0] == '\0') {
1629 (void) fprintf(el->el_errfile,
1630 "echotc: Warning: Missing argument.\n");
1633 i = strtol(*argv, &ep, 10);
1634 if (*ep != '\0' || i < 0) {
1636 (void) fprintf(el->el_errfile,
1637 "echotc: Bad value `%s' for cols.\n",
1643 if (!*argv || *argv[0] == '\0') {
1645 (void) fprintf(el->el_errfile,
1646 "echotc: Warning: Missing argument.\n");
1649 i = strtol(*argv, &ep, 10);
1650 if (*ep != '\0' || i < 0) {
1652 (void) fprintf(el->el_errfile,
1653 "echotc: Bad value `%s' for rows.\n",
1660 (void) fprintf(el->el_errfile,
1661 "echotc: Bad value `%s'.\n", *argv);
1665 if (*argv && *argv[0]) {
1667 (void) fprintf(el->el_errfile,
1668 "echotc: Warning: Extra argument `%s'.\n",
1672 (void) tputs(tgoto(scap, arg_cols, arg_rows), arg_rows,