1 /* $Header: /p/tcsh/cvsroot/tcsh/ed.screen.c,v 3.76 2009/06/25 21:15:37 christos Exp $ */
3 * ed.screen.c: Editor/termcap-curses interface
6 * Copyright (c) 1980, 1991 The Regents of the University of California.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 RCSID("$tcsh: ed.screen.c,v 3.76 2009/06/25 21:15:37 christos Exp $")
41 /* #define DEBUG_LITERAL */
44 * IMPORTANT NOTE: these routines are allowed to look at the current screen
45 * and the current possition assuming that it is correct. If this is not
46 * true, then the update will be WRONG! This is (should be) a valid
50 #define TC_BUFSIZE 2048
52 #define GoodStr(a) (tstr[a].str != NULL && tstr[a].str[0] != '\0')
53 #define Str(a) tstr[a].str
54 #define Val(a) tval[a].val
168 static struct termcapstr {
170 const char *long_name;
182 static struct termcapval {
184 const char *long_name;
194 for (i = 0; i < T_str + 1; i++)
195 xfree((ptr_t)(intptr_t)tstr[i].long_name);
197 for (i = 0; i < T_val + 1; i++)
198 xfree((ptr_t)(intptr_t)tval[i].long_name);
201 tstr[T_al].name = "al";
202 tstr[T_al].long_name = CSAVS(4, 1, "add new blank line");
204 tstr[T_bl].name = "bl";
205 tstr[T_bl].long_name = CSAVS(4, 2, "audible bell");
207 tstr[T_cd].name = "cd";
208 tstr[T_cd].long_name = CSAVS(4, 3, "clear to bottom");
210 tstr[T_ce].name = "ce";
211 tstr[T_ce].long_name = CSAVS(4, 4, "clear to end of line");
213 tstr[T_ch].name = "ch";
214 tstr[T_ch].long_name = CSAVS(4, 5, "cursor to horiz pos");
216 tstr[T_cl].name = "cl";
217 tstr[T_cl].long_name = CSAVS(4, 6, "clear screen");
219 tstr[T_dc].name = "dc";
220 tstr[T_dc].long_name = CSAVS(4, 7, "delete a character");
222 tstr[T_dl].name = "dl";
223 tstr[T_dl].long_name = CSAVS(4, 8, "delete a line");
225 tstr[T_dm].name = "dm";
226 tstr[T_dm].long_name = CSAVS(4, 9, "start delete mode");
228 tstr[T_ed].name = "ed";
229 tstr[T_ed].long_name = CSAVS(4, 10, "end delete mode");
231 tstr[T_ei].name = "ei";
232 tstr[T_ei].long_name = CSAVS(4, 11, "end insert mode");
234 tstr[T_fs].name = "fs";
235 tstr[T_fs].long_name = CSAVS(4, 12, "cursor from status line");
237 tstr[T_ho].name = "ho";
238 tstr[T_ho].long_name = CSAVS(4, 13, "home cursor");
240 tstr[T_ic].name = "ic";
241 tstr[T_ic].long_name = CSAVS(4, 14, "insert character");
243 tstr[T_im].name = "im";
244 tstr[T_im].long_name = CSAVS(4, 15, "start insert mode");
246 tstr[T_ip].name = "ip";
247 tstr[T_ip].long_name = CSAVS(4, 16, "insert padding");
249 tstr[T_kd].name = "kd";
250 tstr[T_kd].long_name = CSAVS(4, 17, "sends cursor down");
252 tstr[T_kl].name = "kl";
253 tstr[T_kl].long_name = CSAVS(4, 18, "sends cursor left");
255 tstr[T_kr].name = "kr";
256 tstr[T_kr].long_name = CSAVS(4, 19, "sends cursor right");
258 tstr[T_ku].name = "ku";
259 tstr[T_ku].long_name = CSAVS(4, 20, "sends cursor up");
261 tstr[T_md].name = "md";
262 tstr[T_md].long_name = CSAVS(4, 21, "begin bold");
264 tstr[T_me].name = "me";
265 tstr[T_me].long_name = CSAVS(4, 22, "end attributes");
267 tstr[T_nd].name = "nd";
268 tstr[T_nd].long_name = CSAVS(4, 23, "non destructive space");
270 tstr[T_se].name = "se";
271 tstr[T_se].long_name = CSAVS(4, 24, "end standout");
273 tstr[T_so].name = "so";
274 tstr[T_so].long_name = CSAVS(4, 25, "begin standout");
276 tstr[T_ts].name = "ts";
277 tstr[T_ts].long_name = CSAVS(4, 26, "cursor to status line");
279 tstr[T_up].name = "up";
280 tstr[T_up].long_name = CSAVS(4, 27, "cursor up one");
282 tstr[T_us].name = "us";
283 tstr[T_us].long_name = CSAVS(4, 28, "begin underline");
285 tstr[T_ue].name = "ue";
286 tstr[T_ue].long_name = CSAVS(4, 29, "end underline");
288 tstr[T_vb].name = "vb";
289 tstr[T_vb].long_name = CSAVS(4, 30, "visible bell");
291 tstr[T_DC].name = "DC";
292 tstr[T_DC].long_name = CSAVS(4, 31, "delete multiple chars");
294 tstr[T_DO].name = "DO";
295 tstr[T_DO].long_name = CSAVS(4, 32, "cursor down multiple");
297 tstr[T_IC].name = "IC";
298 tstr[T_IC].long_name = CSAVS(4, 33, "insert multiple chars");
300 tstr[T_LE].name = "LE";
301 tstr[T_LE].long_name = CSAVS(4, 34, "cursor left multiple");
303 tstr[T_RI].name = "RI";
304 tstr[T_RI].long_name = CSAVS(4, 35, "cursor right multiple");
306 tstr[T_UP].name = "UP";
307 tstr[T_UP].long_name = CSAVS(4, 36, "cursor up multiple");
309 tstr[T_kh].name = "kh";
310 tstr[T_kh].long_name = CSAVS(4, 43, "send cursor home");
312 tstr[T_at7].name = "@7";
313 tstr[T_at7].long_name = CSAVS(4, 44, "send cursor end");
315 tstr[T_mr].name = "mr";
316 tstr[T_mr].long_name = CSAVS(4, 45, "begin reverse video");
318 tstr[T_str].name = NULL;
319 tstr[T_str].long_name = NULL;
322 tval[T_am].name = "am";
323 tval[T_am].long_name = CSAVS(4, 37, "Has automatic margins");
325 tval[T_pt].name = "pt";
326 tval[T_pt].long_name = CSAVS(4, 38, "Can use physical tabs");
328 tval[T_li].name = "li";
329 tval[T_li].long_name = CSAVS(4, 39, "Number of lines");
331 tval[T_co].name = "co";
332 tval[T_co].long_name = CSAVS(4, 40, "Number of columns");
334 tval[T_km].name = "km";
335 tval[T_km].long_name = CSAVS(4, 41, "Has meta key");
337 tval[T_xn].name = "xn";
338 tval[T_xn].long_name = CSAVS(4, 42, "Newline ignored at right margin");
340 tval[T_val].name = NULL;
341 tval[T_val].long_name = NULL;
345 * A very useful table from justin@crim.ca (Justin Bur) :-)
346 * (Modified by per@erix.ericsson.se (Per Hedeland)
347 * - first (and second:-) case fixed)
349 * Description Termcap variables tcsh behavior
350 * am xn UseRightmost SendCRLF
351 * -------------- ------- ------- ------------ ------------
352 * Automargins yes no yes no
353 * Magic Margins yes yes yes no
354 * No Wrap no -- yes yes
357 static int me_all = 0; /* does two or more of the attributes use me */
359 static void ReBufferDisplay (void);
360 static void TCset (struct termcapstr *, const char *);
364 TCset(struct termcapstr *t, const char *cap)
366 if (cap == NULL || *cap == '\0') {
372 size = strlen(cap) + 1;
373 t->str = xrealloc(t->str, size);
374 memcpy(t->str, cap, size);
383 struct termcapstr *t;
386 xprintf("%s", CGETS(7, 1, "\n\tTcsh thinks your terminal has the\n"));
387 xprintf("%s", CGETS(7, 2, "\tfollowing characteristics:\n\n"));
388 xprintf(CGETS(7, 3, "\tIt has %d columns and %d lines\n"),
389 Val(T_co), Val(T_li));
390 s = strsave(T_HasMeta ? CGETS(7, 5, "a") : CGETS(7, 6, "no"));
391 cleanup_push(s, xfree);
393 xprintf(CGETS(7, 4, "\tIt has %s meta key\n"), s);
394 s = strsave(T_Tabs ? "" : CGETS(7, 8, " not"));
395 cleanup_push(s, xfree);
396 xprintf(CGETS(7, 7, "\tIt can%s use tabs\n"), s);
397 s = strsave((T_Margin&MARGIN_AUTO) ?
398 CGETS(7, 10, "has") : CGETS(7, 11, "does not have"));
399 cleanup_push(s, xfree);
400 xprintf(CGETS(7, 9, "\tIt %s automatic margins\n"), s);
401 if (T_Margin & MARGIN_AUTO) {
402 s = strsave((T_Margin & MARGIN_MAGIC) ?
403 CGETS(7, 10, "has") : CGETS(7, 11, "does not have"));
404 cleanup_push(s, xfree);
405 xprintf(CGETS(7, 12, "\tIt %s magic margins\n"), s);
407 for (t = tstr; t->name != NULL; t++) {
408 s = strsave(t->str && *t->str ? t->str : CGETS(7, 13, "(empty)"));
409 cleanup_push(s, xfree);
410 xprintf("\t%36s (%s) == %s\n", t->long_name, t->name, s);
414 cleanup_until(first);
419 ReBufferDisplay(void)
431 TermV = (INBUFSIZE * 4) / TermH + 1;/*FIXBUF*/
432 b = xmalloc(sizeof(*b) * (TermV + 1));
433 for (i = 0; i < TermV; i++)
434 b[i] = xmalloc(sizeof(*b[i]) * (TermH + 1));
437 b = xmalloc(sizeof(*b) * (TermV + 1));
438 for (i = 0; i < TermV; i++)
439 b[i] = xmalloc(sizeof(*b[i]) * (TermH + 1));
445 SetTC(char *what, char *how)
447 struct termcapstr *ts;
448 struct termcapval *tv;
451 * Do the strings first
454 for (ts = tstr; ts->name != NULL; ts++)
455 if (strcmp(ts->name, what) == 0)
457 if (ts->name != NULL) {
462 if (GoodStr(T_me) && GoodStr(T_ue))
463 me_all = (strcmp(Str(T_me), Str(T_ue)) == 0);
466 if (GoodStr(T_me) && GoodStr(T_se))
467 me_all |= (strcmp(Str(T_me), Str(T_se)) == 0);
469 T_CanCEOL = GoodStr(T_ce);
470 T_CanDel = GoodStr(T_dc) || GoodStr(T_DC);
471 T_CanIns = GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC);
472 T_CanUP = GoodStr(T_up) || GoodStr(T_UP);
477 * Do the numeric ones second
479 for (tv = tval; tv->name != NULL; tv++)
480 if (strcmp(tv->name, what) == 0)
483 if (tv->name != NULL) {
484 if (tv == &tval[T_pt] || tv == &tval[T_km] ||
485 tv == &tval[T_am] || tv == &tval[T_xn]) {
486 if (strcmp(how, "yes") == 0)
488 else if (strcmp(how, "no") == 0)
491 stderror(ERR_SETTCUS, tv->name);
495 T_HasMeta = Val(T_km);
496 T_Margin = Val(T_am) ? MARGIN_AUTO : 0;
497 T_Margin |= Val(T_xn) ? MARGIN_MAGIC : 0;
498 if (tv == &tval[T_am] || tv == &tval[T_xn])
499 ChangeSize(Val(T_li), Val(T_co));
504 T_Cols = (Char) Val(T_co);
505 T_Lines = (Char) Val(T_li);
506 if (tv == &tval[T_co] || tv == &tval[T_li])
507 ChangeSize(Val(T_li), Val(T_co));
511 stderror(ERR_NAME | ERR_TCCAP, what);
517 * Print the termcap string out with variable substitution
522 char *cap, *scap, *cv;
523 int arg_need, arg_cols, arg_rows;
524 int verbose = 0, silent = 0;
526 static const char fmts[] = "%s\n", fmtd[] = "%d\n";
527 struct termcapstr *t;
528 char buf[TC_BUFSIZE];
535 v = glob_all_or_error(v);
537 cleanup_push(globbed, blk_cleanup);
539 if (!*v || *v[0] == '\0')
541 if (v[0][0] == '-') {
550 stderror(ERR_NAME | ERR_TCUSAGE);
555 if (!*v || *v[0] == '\0')
557 cv = strsave(short2str(*v));
558 cleanup_push(cv, xfree);
559 if (strcmp(cv, "tabs") == 0) {
560 xprintf(fmts, T_Tabs ? CGETS(7, 14, "yes") :
564 else if (strcmp(cv, "meta") == 0) {
565 xprintf(fmts, Val(T_km) ? CGETS(7, 14, "yes") :
569 else if (strcmp(cv, "xn") == 0) {
570 xprintf(fmts, T_Margin & MARGIN_MAGIC ? CGETS(7, 14, "yes") :
574 else if (strcmp(cv, "am") == 0) {
575 xprintf(fmts, T_Margin & MARGIN_AUTO ? CGETS(7, 14, "yes") :
579 else if (strcmp(cv, "baud") == 0) {
582 for (i = 0; baud_rate[i].b_name != NULL; i++)
583 if (T_Speed == baud_rate[i].b_rate) {
584 xprintf(fmts, baud_rate[i].b_name);
590 else if (strcmp(cv, "rows") == 0 || strcmp(cv, "lines") == 0 ||
591 strcmp(cv, "li") == 0) {
592 xprintf(fmtd, Val(T_li));
595 else if (strcmp(cv, "cols") == 0 || strcmp(cv, "co") == 0) {
596 xprintf(fmtd, Val(T_co));
601 * Try to use our local definition first
604 for (t = tstr; t->name != NULL; t++)
605 if (strcmp(t->name, cv) == 0) {
610 scap = tgetstr(cv, &area);
611 if (!scap || scap[0] == '\0') {
613 xprintf("%s", CGETS(7, 14, "yes\n"));
619 stderror(ERR_NAME | ERR_TCCAP, cv);
623 * Count home many values we need for this capability.
625 for (cap = scap, arg_need = 0; *cap; cap++)
645 * hpux has lot's of them...
648 stderror(ERR_NAME | ERR_TCPARM, *cap);
649 /* This is bad, but I won't complain */
660 stderror(ERR_NAME | ERR_TCARGS, cv, arg_need);
662 (void) tputs(scap, 1, PUTRAW);
666 if (!*v || *v[0] == '\0')
667 stderror(ERR_NAME | ERR_TCNARGS, cv, 1);
669 arg_rows = atoi(short2str(*v));
675 stderror(ERR_NAME | ERR_TCARGS, cv, arg_need);
677 (void) tputs(tgoto(scap, arg_cols, arg_rows), 1, PUTRAW);
680 /* This is wrong, but I will ignore it... */
682 stderror(ERR_NAME | ERR_TCARGS, cv, arg_need);
686 if (!*v || *v[0] == '\0') {
690 stderror(ERR_NAME | ERR_TCNARGS, cv, 2);
692 arg_cols = atoi(short2str(*v));
694 if (!*v || *v[0] == '\0') {
698 stderror(ERR_NAME | ERR_TCNARGS, cv, 2);
700 arg_rows = atoi(short2str(*v));
706 stderror(ERR_NAME | ERR_TCARGS, cv, arg_need);
708 (void) tputs(tgoto(scap, arg_cols, arg_rows), arg_rows, PUTRAW);
714 cleanup_until(globbed);
726 { STRdown, T_kd, { 0 }, 0 },
728 { STRup, T_ku, { 0 }, 0 },
730 { STRleft, T_kl, { 0 }, 0 },
732 { STRright, T_kr, { 0 }, 0 },
734 { STRhome, T_kh, { 0 }, 0 },
736 { STRend, T_at7, { 0 }, 0}
743 arrow[A_K_DN].fun.cmd = F_DOWN_HIST;
744 arrow[A_K_DN].type = XK_CMD;
746 arrow[A_K_UP].fun.cmd = F_UP_HIST;
747 arrow[A_K_UP].type = XK_CMD;
749 arrow[A_K_LT].fun.cmd = F_CHARBACK;
750 arrow[A_K_LT].type = XK_CMD;
752 arrow[A_K_RT].fun.cmd = F_CHARFWD;
753 arrow[A_K_RT].type = XK_CMD;
755 arrow[A_K_HO].fun.cmd = F_TOBEG;
756 arrow[A_K_HO].type = XK_CMD;
758 arrow[A_K_EN].fun.cmd = F_TOEND;
759 arrow[A_K_EN].type = XK_CMD;
763 DefaultArrowKeys(void)
765 static Char strA[] = {033, '[', 'A', '\0'};
766 static Char strB[] = {033, '[', 'B', '\0'};
767 static Char strC[] = {033, '[', 'C', '\0'};
768 static Char strD[] = {033, '[', 'D', '\0'};
769 static Char strH[] = {033, '[', 'H', '\0'};
770 static Char strF[] = {033, '[', 'F', '\0'};
771 static Char stOA[] = {033, 'O', 'A', '\0'};
772 static Char stOB[] = {033, 'O', 'B', '\0'};
773 static Char stOC[] = {033, 'O', 'C', '\0'};
774 static Char stOD[] = {033, 'O', 'D', '\0'};
775 static Char stOH[] = {033, 'O', 'H', '\0'};
776 static Char stOF[] = {033, 'O', 'F', '\0'};
782 strA[0] = CTL_ESC('\033');
783 strB[0] = CTL_ESC('\033');
784 strC[0] = CTL_ESC('\033');
785 strD[0] = CTL_ESC('\033');
786 strH[0] = CTL_ESC('\033');
787 strF[0] = CTL_ESC('\033');
788 stOA[0] = CTL_ESC('\033');
789 stOB[0] = CTL_ESC('\033');
790 stOC[0] = CTL_ESC('\033');
791 stOD[0] = CTL_ESC('\033');
792 stOH[0] = CTL_ESC('\033');
793 stOF[0] = CTL_ESC('\033');
799 cs.buf = strA; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
800 cs.buf = strB; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
801 cs.buf = strC; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
802 cs.buf = strD; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
803 cs.buf = strH; AddXkey(&cs, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
804 cs.buf = strF; AddXkey(&cs, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
805 cs.buf = stOA; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
806 cs.buf = stOB; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
807 cs.buf = stOC; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
808 cs.buf = stOD; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
809 cs.buf = stOH; AddXkey(&cs, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
810 cs.buf = stOF; AddXkey(&cs, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
814 cs.buf = &strA[1]; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
815 cs.buf = &strB[1]; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
816 cs.buf = &strC[1]; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
817 cs.buf = &strD[1]; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
818 cs.buf = &strH[1]; AddXkey(&cs, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
819 cs.buf = &strF[1]; AddXkey(&cs, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
820 cs.buf = &stOA[1]; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
821 cs.buf = &stOB[1]; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
822 cs.buf = &stOC[1]; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
823 cs.buf = &stOD[1]; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
824 cs.buf = &stOH[1]; AddXkey(&cs, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
825 cs.buf = &stOF[1]; AddXkey(&cs, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
831 SetArrowKeys(const CStr *name, XmapVal *fun, int type)
834 for (i = 0; i < A_K_NKEYS; i++)
835 if (Strcmp(name->buf, arrow[i].name) == 0) {
837 arrow[i].type = type;
844 IsArrowKey(Char *name)
847 for (i = 0; i < A_K_NKEYS; i++)
848 if (Strcmp(name, arrow[i].name) == 0)
854 ClearArrowKeys(const CStr *name)
857 for (i = 0; i < A_K_NKEYS; i++)
858 if (Strcmp(name->buf, arrow[i].name) == 0) {
859 arrow[i].type = XK_NOD;
866 PrintArrowKeys(const CStr *name)
870 for (i = 0; i < A_K_NKEYS; i++)
871 if (name->len == 0 || Strcmp(name->buf, arrow[i].name) == 0)
872 if (arrow[i].type != XK_NOD)
873 printOne(arrow[i].name, &arrow[i].fun, arrow[i].type);
887 map = VImode ? CcAltMap : CcKeyMap;
888 dmap = VImode ? CcViCmdMap : CcEmacsMap;
892 for (i = 0; i < A_K_NKEYS; i++) {
893 p = tstr[arrow[i].key].str;
895 j = (unsigned char) *p;
896 cs.buf = str2short(p);
897 cs.len = Strlen(cs.buf);
899 * Assign the arrow keys only if:
901 * 1. They are multi-character arrow keys and the user
902 * has not re-assigned the leading character, or
903 * has re-assigned the leading character to be F_XKEY
904 * 2. They are single arrow keys pointing to an unassigned key.
906 if (arrow[i].type == XK_NOD) {
910 if (p[1] && (dmap[j] == map[j] || map[j] == F_XKEY)) {
911 AddXkey(&cs, &arrow[i].fun, arrow[i].type);
914 else if (map[j] == F_UNASSIGNED) {
916 if (arrow[i].type == XK_CMD)
917 map[j] = arrow[i].fun.cmd;
919 AddXkey(&cs, &arrow[i].fun, arrow[i].type);
926 static Char cur_atr = 0; /* current attributes */
929 SetAttributes(Char atr)
932 if (atr != cur_atr) {
933 if (me_all && GoodStr(T_me)) {
934 if (((cur_atr & BOLD) && !(atr & BOLD)) ||
935 ((cur_atr & UNDER) && !(atr & UNDER)) ||
936 ((cur_atr & STANDOUT) && !(atr & STANDOUT))) {
937 (void) tputs(Str(T_me), 1, PUTPURE);
941 if ((atr & BOLD) != (cur_atr & BOLD)) {
943 if (GoodStr(T_md) && GoodStr(T_me)) {
944 (void) tputs(Str(T_md), 1, PUTPURE);
949 if (GoodStr(T_md) && GoodStr(T_me)) {
950 (void) tputs(Str(T_me), 1, PUTPURE);
951 if ((cur_atr & STANDOUT) && GoodStr(T_se)) {
952 (void) tputs(Str(T_se), 1, PUTPURE);
953 cur_atr &= ~STANDOUT;
955 if ((cur_atr & UNDER) && GoodStr(T_ue)) {
956 (void) tputs(Str(T_ue), 1, PUTPURE);
963 if ((atr & STANDOUT) != (cur_atr & STANDOUT)) {
964 if (atr & STANDOUT) {
965 if (GoodStr(T_so) && GoodStr(T_se)) {
966 (void) tputs(Str(T_so), 1, PUTPURE);
972 (void) tputs(Str(T_se), 1, PUTPURE);
973 cur_atr &= ~STANDOUT;
977 if ((atr & UNDER) != (cur_atr & UNDER)) {
979 if (GoodStr(T_us) && GoodStr(T_ue)) {
980 (void) tputs(Str(T_us), 1, PUTPURE);
986 (void) tputs(Str(T_ue), 1, PUTPURE);
994 int highlighting = 0;
999 (void) tputs(Str(T_mr), 1, PUTPURE);
1006 (void) tputs(Str(T_me), 1, PUTPURE);
1010 /* PWP 6-27-88 -- if the tty driver thinks that we can tab, we ask termcap */
1017 /* move to line <where> (first line == 0) as efficiently as possible; */
1019 MoveToLine(int where)
1023 if (where == CursorV)
1026 if (where > TermV) {
1028 xprintf("MoveToLine: where is ridiculous: %d\r\n", where);
1030 #endif /* DEBUG_SCREEN */
1034 del = where - CursorV;
1038 if ((T_Margin & MARGIN_AUTO) && Display[CursorV][0] != '\0') {
1041 for (h = TermH - 1; h > 0 && Display[CursorV][h] == CHAR_DBWIDTH;
1044 /* move without newline */
1046 so_write(&Display[CursorV][CursorH], TermH - CursorH); /* updates CursorH/V*/
1050 if ((del > 1) && GoodStr(T_DO)) {
1051 (void) tputs(tgoto(Str(T_DO), del, del), del, PUTPURE);
1055 for ( ; del > 0; del--)
1056 (void) putraw('\n');
1057 CursorH = 0; /* because the \n will become \r\n */
1062 else { /* del < 0 */
1063 if (GoodStr(T_UP) && (-del > 1 || !GoodStr(T_up)))
1064 (void) tputs(tgoto(Str(T_UP), -del, -del), -del, PUTPURE);
1068 for (i = 0; i < -del; i++)
1069 (void) tputs(Str(T_up), 1, PUTPURE);
1072 CursorV = where; /* now where is here */
1076 MoveToChar(int where) /* move to character position (where) */
1077 { /* as efficiently as possible */
1081 if (where == CursorH)
1084 if (where >= TermH) {
1086 xprintf("MoveToChar: where is riduculous: %d\r\n", where);
1088 #endif /* DEBUG_SCREEN */
1092 if (!where) { /* if where is first column */
1093 (void) putraw('\r'); /* do a CR */
1098 del = where - CursorH;
1100 if ((del < -4 || del > 4) && GoodStr(T_ch))
1101 /* go there directly */
1102 (void) tputs(tgoto(Str(T_ch), where, where), where, PUTPURE);
1105 if (del > 0) { /* moving forward */
1106 if ((del > 4) && GoodStr(T_RI))
1107 (void) tputs(tgoto(Str(T_RI), del, del), del, PUTPURE);
1109 /* if I can do tabs, use them */
1111 if ((CursorH & 0370) != (where & ~0x7)
1112 && Display[CursorV][where & ~0x7] != CHAR_DBWIDTH) {
1113 /* if not within tab stop */
1114 for (i = (CursorH & 0370); i < (where & ~0x7); i += 8)
1115 (void) putraw('\t'); /* then tab over */
1116 CursorH = where & ~0x7;
1117 /* Note: considering that we often want to go to
1118 TermH - 1 for the wrapping, it would be nice to
1119 optimize this case by tabbing to the last column
1120 - but this doesn't work for all terminals! */
1123 /* it's usually cheaper to just write the chars, so we do. */
1125 /* NOTE THAT so_write() WILL CHANGE CursorH!!! */
1126 so_write(&Display[CursorV][CursorH], where - CursorH);
1130 else { /* del < 0 := moving backward */
1131 if ((-del > 4) && GoodStr(T_LE))
1132 (void) tputs(tgoto(Str(T_LE), -del, -del), -del, PUTPURE);
1133 else { /* can't go directly there */
1134 /* if the "cost" is greater than the "cost" from col 0 */
1135 if (T_Tabs ? (-del > ((where >> 3) + (where & 07)))
1137 (void) putraw('\r'); /* do a CR */
1139 goto mc_again; /* and try again */
1141 for (i = 0; i < -del; i++)
1142 (void) putraw('\b');
1146 CursorH = where; /* now where is here */
1150 so_write(Char *cp, int n)
1152 int cur_pos, prompt_len = 0, region_start = 0, region_end = 0;
1155 return; /* catch bugs */
1159 xprintf("so_write: n is riduculous: %d\r\n", n);
1161 #endif /* DEBUG_SCREEN */
1165 if (adrof(STRhighlight)) {
1166 /* find length of prompt */
1168 for (promptc = Prompt; *promptc; promptc++);
1169 prompt_len = promptc - Prompt;
1171 /* find region start and end points */
1173 region_start = (Cursor - InputBuf) + prompt_len;
1174 region_end = region_start + IncMatchLen;
1175 } else if (MarkIsSet) {
1176 region_start = (min(Cursor, Mark) - InputBuf) + prompt_len;
1177 region_end = (max(Cursor, Mark) - InputBuf) + prompt_len;
1182 if (adrof(STRhighlight)) {
1183 cur_pos = CursorV * TermH + CursorH;
1184 if (!highlighting &&
1185 cur_pos >= region_start && cur_pos < region_end)
1187 else if (highlighting && cur_pos >= region_end)
1190 /* don't highlight over the cursor. the highlighting's reverse
1191 * video would cancel it out. :P */
1192 if (highlighting && cur_pos == (Cursor - InputBuf) + prompt_len)
1196 if (*cp != CHAR_DBWIDTH) {
1197 if (*cp & LITERAL) {
1199 #ifdef DEBUG_LITERAL
1200 xprintf("so: litnum %d\r\n", (int)(*cp & ~LITERAL));
1201 #endif /* DEBUG_LITERAL */
1202 for (d = litptr + (*cp & ~LITERAL) * LIT_FACTOR; *d; d++)
1206 (void) putwraw(*cp);
1212 if (adrof(STRhighlight) && highlighting)
1215 if (CursorH >= TermH) { /* wrap? */
1216 if (T_Margin & MARGIN_AUTO) { /* yes */
1219 if (T_Margin & MARGIN_MAGIC) {
1220 /* force the wrap to avoid the "magic" situation */
1222 if ((xc = Display[CursorV][CursorH]) != '\0') {
1224 while(Display[CursorV][CursorH] == CHAR_DBWIDTH)
1233 else /* no wrap, but cursor stays on screen */
1234 CursorH = TermH - 1;
1240 DeleteChars(int num) /* deletes <num> characters */
1247 xprintf(CGETS(7, 16, "ERROR: cannot delete\r\n"));
1248 #endif /* DEBUG_EDIT */
1255 xprintf(CGETS(7, 17, "DeleteChars: num is riduculous: %d\r\n"), num);
1257 #endif /* DEBUG_SCREEN */
1261 if (GoodStr(T_DC)) /* if I have multiple delete */
1262 if ((num > 1) || !GoodStr(T_dc)) { /* if dc would be more expen. */
1263 (void) tputs(tgoto(Str(T_DC), num, num), num, PUTPURE);
1267 if (GoodStr(T_dm)) /* if I have delete mode */
1268 (void) tputs(Str(T_dm), 1, PUTPURE);
1270 if (GoodStr(T_dc)) /* else do one at a time */
1272 (void) tputs(Str(T_dc), 1, PUTPURE);
1274 if (GoodStr(T_ed)) /* if I have delete mode */
1275 (void) tputs(Str(T_ed), 1, PUTPURE);
1278 /* Puts terminal in insert character mode, or inserts num characters in the
1281 Insert_write(Char *cp, int num)
1287 xprintf(CGETS(7, 18, "ERROR: cannot insert\r\n"));
1288 #endif /* DEBUG_EDIT */
1295 xprintf(CGETS(7, 19, "StartInsert: num is riduculous: %d\r\n"), num);
1297 #endif /* DEBUG_SCREEN */
1301 if (GoodStr(T_IC)) /* if I have multiple insert */
1302 if ((num > 1) || !GoodStr(T_ic)) { /* if ic would be more expen. */
1303 (void) tputs(tgoto(Str(T_IC), num, num), num, PUTPURE);
1304 so_write(cp, num); /* this updates CursorH/V */
1308 if (GoodStr(T_im) && GoodStr(T_ei)) { /* if I have insert mode */
1309 (void) tputs(Str(T_im), 1, PUTPURE);
1311 so_write(cp, num); /* this updates CursorH/V */
1313 if (GoodStr(T_ip)) /* have to make num chars insert */
1314 (void) tputs(Str(T_ip), 1, PUTPURE);
1316 (void) tputs(Str(T_ei), 1, PUTPURE);
1321 if (GoodStr(T_ic)) /* have to make num chars insert */
1322 (void) tputs(Str(T_ic), 1, PUTPURE); /* insert a char */
1324 so_write(cp++, 1); /* this updates CursorH/V */
1326 if (GoodStr(T_ip)) /* have to make num chars insert */
1327 (void) tputs(Str(T_ip), 1, PUTPURE);/* pad the inserted char */
1333 /* clear to end of line. There are num characters to clear */
1342 if (T_CanCEOL && GoodStr(T_ce))
1343 (void) tputs(Str(T_ce), 1, PUTPURE);
1345 for (i = 0; i < num; i++)
1347 CursorH += num; /* have written num spaces */
1353 { /* clear the whole screen and home */
1355 /* send the clear screen code */
1356 (void) tputs(Str(T_cl), Val(T_li), PUTPURE);
1357 else if (GoodStr(T_ho) && GoodStr(T_cd)) {
1358 (void) tputs(Str(T_ho), Val(T_li), PUTPURE); /* home */
1359 /* clear to bottom of screen */
1360 (void) tputs(Str(T_cd), Val(T_li), PUTPURE);
1363 (void) putraw('\r');
1364 (void) putraw('\n');
1370 { /* produce a sound */
1372 if (adrof(STRnobeep))
1375 if (GoodStr(T_vb) && adrof(STRvisiblebell))
1376 (void) tputs(Str(T_vb), 1, PUTPURE); /* visible bell */
1377 else if (GoodStr(T_bl))
1378 /* what termcap says we should use */
1379 (void) tputs(Str(T_bl), 1, PUTPURE);
1381 (void) putraw(CTL_ESC('\007')); /* an ASCII bell; ^G */
1386 { /* clear to the bottom of the screen */
1388 (void) tputs(Str(T_cd), Val(T_li), PUTPURE);
1389 else if (GoodStr(T_ce))
1390 (void) tputs(Str(T_ce), Val(T_li), PUTPURE);
1395 { /* read in the needed terminal capabilites */
1398 char buf[TC_BUFSIZE];
1399 static char bp[TC_BUFSIZE];
1401 struct termcapstr *t;
1408 /* don't want to confuse things here */
1410 sigaddset(&set, SIG_WINDOW);
1411 (void)sigprocmask(SIG_BLOCK, &set, &oset);
1412 cleanup_push(&oset, sigprocmask_cleanup);
1413 #endif /* SIG_WINDOW */
1418 setname("gettermcaps");
1419 ptr = getenv("TERM");
1423 * If we are on a pad, we pretend that we are dumb. Otherwise the termcap
1424 * library will put us in a weird screen mode, thinking that we are going
1431 if (!ptr || !ptr[0] || !strcmp(ptr, "wm") || !strcmp(ptr,"dmx"))
1434 setzero(bp, TC_BUFSIZE);
1436 i = tgetent(bp, ptr);
1439 #if (SYSVREL == 0) || defined(IRIS3D)
1440 xprintf(CGETS(7, 20, "%s: Cannot open /etc/termcap.\n"), progname);
1443 #endif /* SYSVREL */
1444 xprintf(CGETS(7, 21,
1445 "%s: No entry for terminal type \"%s\"\n"), progname,
1448 xprintf(CGETS(7, 22, "%s: using dumb terminal settings.\n"), progname);
1449 Val(T_co) = 80; /* do a dumb terminal */
1450 Val(T_pt) = Val(T_km) = Val(T_li) = 0;
1451 for (t = tstr; t->name != NULL; t++)
1456 Val(T_pt) = tgetflag("pt") && !tgetflag("xt");
1457 /* do we have a meta? */
1458 Val(T_km) = (tgetflag("km") || tgetflag("MT"));
1459 Val(T_am) = tgetflag("am");
1460 Val(T_xn) = tgetflag("xn");
1461 Val(T_co) = tgetnum("co");
1462 Val(T_li) = tgetnum("li");
1463 for (t = tstr; t->name != NULL; t++)
1464 TCset(t, tgetstr(t->name, &area));
1467 Val(T_co) = 80; /* just in case */
1471 T_Cols = (Char) Val(T_co);
1472 T_Lines = (Char) Val(T_li);
1475 T_HasMeta = Val(T_km);
1476 T_Margin = Val(T_am) ? MARGIN_AUTO : 0;
1477 T_Margin |= Val(T_xn) ? MARGIN_MAGIC : 0;
1478 T_CanCEOL = GoodStr(T_ce);
1479 T_CanDel = GoodStr(T_dc) || GoodStr(T_DC);
1480 T_CanIns = GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC);
1481 T_CanUP = GoodStr(T_up) || GoodStr(T_UP);
1482 if (GoodStr(T_me) && GoodStr(T_ue))
1483 me_all = (strcmp(Str(T_me), Str(T_ue)) == 0);
1486 if (GoodStr(T_me) && GoodStr(T_se))
1487 me_all |= (strcmp(Str(T_me), Str(T_se)) == 0);
1492 xprintf(CGETS(7, 23, "%s: WARNING: Your terminal cannot move up.\n",
1494 xprintf(CGETS(7, 24, "Editing may be odd for long lines.\n"));
1497 xprintf(CGETS(7, 25, "no clear EOL capability.\n"));
1499 xprintf(CGETS(7, 26, "no delete char capability.\n"));
1501 xprintf(CGETS(7, 27, "no insert char capability.\n"));
1502 #endif /* DEBUG_SCREEN */
1507 (void) GetSize(&lins, &cols); /* get the correct window size */
1508 ChangeSize(lins, cols);
1510 cleanup_until(&oset); /* can change it again */
1511 #else /* SIG_WINDOW */
1512 ChangeSize(Val(T_li), Val(T_co));
1513 #endif /* SIG_WINDOW */
1520 * Return the new window size in lines and cols, and
1521 * true if the size was changed. This can fail if SHIN
1522 * is not a tty, but it will work in most cases.
1525 GetSize(int *lins, int *cols)
1534 struct winsize ws; /* from 4.3 */
1536 if (ioctl(SHIN, TIOCGWINSZ, (ioctl_t) &ws) != -1) {
1544 #else /* TIOCGWINSZ */
1548 struct ttysize ts; /* from Sun */
1550 if (ioctl(SHIN, TIOCGSIZE, (ioctl_t) &ts) != -1) {
1554 *lins = ts.ts_lines;
1557 # endif /* TIOCGSIZE */
1558 #endif /* TIOCGWINSZ */
1560 return (Val(T_co) != *cols || Val(T_li) != *lins);
1563 #endif /* SIG_WINDOW */
1566 ChangeSize(int lins, int cols)
1571 Val(T_co) = (cols < 2) ? 80 : cols;
1572 Val(T_li) = (lins < 1) ? 24 : lins;
1576 * We want to affect the environment only when we have a valid
1577 * setup, not when we get bad settings. Consider the following scenario:
1578 * We just logged in, and we have not initialized the editor yet.
1579 * We reset termcap with tset, and not $TERMCAP has the right
1580 * terminal size. But since the editor is not initialized yet, and
1581 * the kernel's notion of the terminal size might be wrong we arrive
1582 * here with lines = columns = 0. If we reset the environment we lose
1583 * our only chance to get the window size right.
1585 if (Val(T_co) == cols && Val(T_li) == lins) {
1589 if (getenv("COLUMNS")) {
1590 p = Itoa(Val(T_co), 0, 0);
1591 cleanup_push(p, xfree);
1592 tsetenv(STRCOLUMNS, p);
1596 if (getenv("LINES")) {
1597 p = Itoa(Val(T_li), 0, 0);
1598 cleanup_push(p, xfree);
1599 tsetenv(STRLINES, p);
1603 if ((tptr = getenv("TERMCAP")) != NULL) {
1604 /* Leave 64 characters slop in case we enlarge the termcap string */
1605 Char termcap[TC_BUFSIZE+64], backup[TC_BUFSIZE+64], *ptr;
1608 ptr = str2short(tptr);
1609 (void) Strncpy(termcap, ptr, TC_BUFSIZE);
1610 termcap[TC_BUFSIZE-1] = '\0';
1612 /* update termcap string; first do columns */
1617 if ((ptr = Strstr(termcap, buf)) == NULL) {
1618 (void) Strcpy(backup, termcap);
1621 size_t len = (ptr - termcap) + Strlen(buf);
1622 (void) Strncpy(backup, termcap, len);
1624 p = Itoa(Val(T_co), 0, 0);
1625 (void) Strcat(backup + len, p);
1627 ptr = Strchr(ptr, ':');
1628 (void) Strcat(backup, ptr);
1636 if ((ptr = Strstr(backup, buf)) == NULL) {
1637 (void) Strcpy(termcap, backup);
1640 size_t len = (ptr - backup) + Strlen(buf);
1641 (void) Strncpy(termcap, backup, len);
1642 termcap[len] = '\0';
1643 p = Itoa(Val(T_li), 0, 0);
1644 (void) Strcat(termcap, p);
1646 ptr = Strchr(ptr, ':');
1647 (void) Strcat(termcap, ptr);
1650 * Chop the termcap string at TC_BUFSIZE-1 characters to avoid
1651 * core-dumps in the termcap routines
1653 termcap[TC_BUFSIZE - 1] = '\0';
1654 tsetenv(STRTERMCAP, termcap);
1657 #endif /* KNOWsize */
1659 ReBufferDisplay(); /* re-make display buffers */