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Diffstat (limited to 'contrib/tcsh/ed.screen.c')
| -rw-r--r-- | contrib/tcsh/ed.screen.c | 1706 |
1 files changed, 0 insertions, 1706 deletions
diff --git a/contrib/tcsh/ed.screen.c b/contrib/tcsh/ed.screen.c deleted file mode 100644 index 2d4be8ad3a6ca..0000000000000 --- a/contrib/tcsh/ed.screen.c +++ /dev/null @@ -1,1706 +0,0 @@ -/* $Header: /src/pub/tcsh/ed.screen.c,v 3.46 1999/02/06 15:18:56 christos Exp $ */ -/* - * ed.screen.c: Editor/termcap-curses interface - */ -/*- - * Copyright (c) 1980, 1991 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -#include "sh.h" - -RCSID("$Id: ed.screen.c,v 3.46 1999/02/06 15:18:56 christos Exp $") - -#include "ed.h" -#include "tc.h" -#include "ed.defns.h" - -#ifndef POSIX -/* - * We don't prototype these, cause some systems have them wrong! - */ -extern int tgetent __P(()); -extern char *tgetstr __P(()); -extern int tgetflag __P(()); -extern int tgetnum __P(()); -extern char *tgoto __P(()); -# define PUTPURE putpure -# define PUTRAW putraw -#else -extern int tgetent __P((char *, char *)); -extern char *tgetstr __P((char *, char **)); -extern int tgetflag __P((char *)); -extern int tgetnum __P((char *)); -extern char *tgoto __P((char *, int, int)); -extern void tputs __P((char *, int, void (*)(int))); -# define PUTPURE ((void (*)__P((int))) putpure) -# define PUTRAW ((void (*)__P((int))) putraw) -#endif - - -/* #define DEBUG_LITERAL */ - -/* - * IMPORTANT NOTE: these routines are allowed to look at the current screen - * and the current possition assuming that it is correct. If this is not - * true, then the update will be WRONG! This is (should be) a valid - * assumption... - */ - -#define TC_BUFSIZE 2048 - -#define GoodStr(a) (tstr[a].str != NULL && tstr[a].str[0] != '\0') -#define Str(a) tstr[a].str -#define Val(a) tval[a].val - -static struct { - char *b_name; - int b_rate; -} baud_rate[] = { - -#ifdef B0 - { "0", B0 }, -#endif -#ifdef B50 - { "50", B50 }, -#endif -#ifdef B75 - { "75", B75 }, -#endif -#ifdef B110 - { "110", B110 }, -#endif -#ifdef B134 - { "134", B134 }, -#endif -#ifdef B150 - { "150", B150 }, -#endif -#ifdef B200 - { "200", B200 }, -#endif -#ifdef B300 - { "300", B300 }, -#endif -#ifdef B600 - { "600", B600 }, -#endif -#ifdef B900 - { "900", B900 }, -#endif -#ifdef B1200 - { "1200", B1200 }, -#endif -#ifdef B1800 - { "1800", B1800 }, -#endif -#ifdef B2400 - { "2400", B2400 }, -#endif -#ifdef B3600 - { "3600", B3600 }, -#endif -#ifdef B4800 - { "4800", B4800 }, -#endif -#ifdef B7200 - { "7200", B7200 }, -#endif -#ifdef B9600 - { "9600", B9600 }, -#endif -#ifdef EXTA - { "19200", EXTA }, -#endif -#ifdef B19200 - { "19200", B19200 }, -#endif -#ifdef EXTB - { "38400", EXTB }, -#endif -#ifdef B38400 - { "38400", B38400 }, -#endif - { NULL, 0 } -}; - -#define T_al 0 -#define T_bl 1 -#define T_cd 2 -#define T_ce 3 -#define T_ch 4 -#define T_cl 5 -#define T_dc 6 -#define T_dl 7 -#define T_dm 8 -#define T_ed 9 -#define T_ei 10 -#define T_fs 11 -#define T_ho 12 -#define T_ic 13 -#define T_im 14 -#define T_ip 15 -#define T_kd 16 -#define T_kl 17 -#define T_kr 18 -#define T_ku 19 -#define T_md 20 -#define T_me 21 -#define T_nd 22 -#define T_se 23 -#define T_so 24 -#define T_ts 25 -#define T_up 26 -#define T_us 27 -#define T_ue 28 -#define T_vb 29 -#define T_DC 30 -#define T_DO 31 -#define T_IC 32 -#define T_LE 33 -#define T_RI 34 -#define T_UP 35 -#define T_str 36 -static struct termcapstr { - char *name; - char *long_name; - char *str; -} tstr[T_str + 1]; - - -#define T_am 0 -#define T_pt 1 -#define T_li 2 -#define T_co 3 -#define T_km 4 -#define T_xn 5 -#define T_val 6 -static struct termcapval { - char *name; - char *long_name; - int val; -} tval[T_val + 1]; - -void -terminit() -{ -#ifdef NLS_CATALOGS - int i; - - for (i = 0; i < T_str + 1; i++) - xfree((ptr_t) tstr[i].long_name); - - for (i = 0; i < T_val + 1; i++) - xfree((ptr_t) tval[i].long_name); -#endif - - tstr[T_al].name = "al"; - tstr[T_al].long_name = CSAVS(4, 1, "add new blank line"); - - tstr[T_bl].name = "bl"; - tstr[T_bl].long_name = CSAVS(4, 2, "audible bell"); - - tstr[T_cd].name = "cd"; - tstr[T_cd].long_name = CSAVS(4, 3, "clear to bottom"); - - tstr[T_ce].name = "ce"; - tstr[T_ce].long_name = CSAVS(4, 4, "clear to end of line"); - - tstr[T_ch].name = "ch"; - tstr[T_ch].long_name = CSAVS(4, 5, "cursor to horiz pos"); - - tstr[T_cl].name = "cl"; - tstr[T_cl].long_name = CSAVS(4, 6, "clear screen"); - - tstr[T_dc].name = "dc"; - tstr[T_dc].long_name = CSAVS(4, 7, "delete a character"); - - tstr[T_dl].name = "dl"; - tstr[T_dl].long_name = CSAVS(4, 8, "delete a line"); - - tstr[T_dm].name = "dm"; - tstr[T_dm].long_name = CSAVS(4, 9, "start delete mode"); - - tstr[T_ed].name = "ed"; - tstr[T_ed].long_name = CSAVS(4, 10, "end delete mode"); - - tstr[T_ei].name = "ei"; - tstr[T_ei].long_name = CSAVS(4, 11, "end insert mode"); - - tstr[T_fs].name = "fs"; - tstr[T_fs].long_name = CSAVS(4, 12, "cursor from status line"); - - tstr[T_ho].name = "ho"; - tstr[T_ho].long_name = CSAVS(4, 13, "home cursor"); - - tstr[T_ic].name = "ic"; - tstr[T_ic].long_name = CSAVS(4, 14, "insert character"); - - tstr[T_im].name = "im"; - tstr[T_im].long_name = CSAVS(4, 15, "start insert mode"); - - tstr[T_ip].name = "ip"; - tstr[T_ip].long_name = CSAVS(4, 16, "insert padding"); - - tstr[T_kd].name = "kd"; - tstr[T_kd].long_name = CSAVS(4, 17, "sends cursor down"); - - tstr[T_kl].name = "kl"; - tstr[T_kl].long_name = CSAVS(4, 18, "sends cursor left"); - - tstr[T_kr].name = "kr"; - tstr[T_kr].long_name = CSAVS(4, 19, "sends cursor right"); - - tstr[T_ku].name = "ku"; - tstr[T_ku].long_name = CSAVS(4, 20, "sends cursor up"); - - tstr[T_md].name = "md"; - tstr[T_md].long_name = CSAVS(4, 21, "begin bold"); - - tstr[T_me].name = "me"; - tstr[T_me].long_name = CSAVS(4, 22, "end attributes"); - - tstr[T_nd].name = "nd"; - tstr[T_nd].long_name = CSAVS(4, 23, "non destructive space"); - - tstr[T_se].name = "se"; - tstr[T_se].long_name = CSAVS(4, 24, "end standout"); - - tstr[T_so].name = "so"; - tstr[T_so].long_name = CSAVS(4, 25, "begin standout"); - - tstr[T_ts].name = "ts"; - tstr[T_ts].long_name = CSAVS(4, 26, "cursor to status line"); - - tstr[T_up].name = "up"; - tstr[T_up].long_name = CSAVS(4, 27, "cursor up one"); - - tstr[T_us].name = "us"; - tstr[T_us].long_name = CSAVS(4, 28, "begin underline"); - - tstr[T_ue].name = "ue"; - tstr[T_ue].long_name = CSAVS(4, 29, "end underline"); - - tstr[T_vb].name = "vb"; - tstr[T_vb].long_name = CSAVS(4, 30, "visible bell"); - - tstr[T_DC].name = "DC"; - tstr[T_DC].long_name = CSAVS(4, 31, "delete multiple chars"); - - tstr[T_DO].name = "DO"; - tstr[T_DO].long_name = CSAVS(4, 32, "cursor down multiple"); - - tstr[T_IC].name = "IC"; - tstr[T_IC].long_name = CSAVS(4, 33, "insert multiple chars"); - - tstr[T_LE].name = "LE"; - tstr[T_LE].long_name = CSAVS(4, 34, "cursor left multiple"); - - tstr[T_RI].name = "RI"; - tstr[T_RI].long_name = CSAVS(4, 35, "cursor right multiple"); - - tstr[T_UP].name = "UP"; - tstr[T_UP].long_name = CSAVS(4, 36, "cursor up multiple"); - - tstr[T_str].name = NULL; - tstr[T_str].long_name = NULL; - - - tval[T_am].name = "am"; - tval[T_am].long_name = CSAVS(4, 37, "Has automatic margins"); - - tval[T_pt].name = "pt"; - tval[T_pt].long_name = CSAVS(4, 38, "Can use physical tabs"); - - tval[T_li].name = "li"; - tval[T_li].long_name = CSAVS(4, 39, "Number of lines"); - - tval[T_co].name = "co"; - tval[T_co].long_name = CSAVS(4, 40, "Number of columns"); - - tval[T_km].name = "km"; - tval[T_km].long_name = CSAVS(4, 41, "Has meta key"); - - tval[T_xn].name = "xn"; - tval[T_xn].long_name = CSAVS(4, 42, "Newline ignored at right margin"); - - tval[T_val].name = NULL; - tval[T_val].long_name = NULL; -} - -/* - * A very useful table from justin@crim.ca (Justin Bur) :-) - * (Modified by per@erix.ericsson.se (Per Hedeland) - * - first (and second:-) case fixed) - * - * Description Termcap variables tcsh behavior - * am xn UseRightmost SendCRLF - * -------------- ------- ------- ------------ ------------ - * Automargins yes no yes no - * Magic Margins yes yes yes no - * No Wrap no -- yes yes - */ - -static bool me_all = 0; /* does two or more of the attributes use me */ - -static void ReBufferDisplay __P((void)); -static void TCalloc __P((struct termcapstr *, char *)); - - -static void -TCalloc(t, cap) - struct termcapstr *t; - char *cap; -{ - static char termcap_alloc[TC_BUFSIZE]; - char termbuf[TC_BUFSIZE]; - struct termcapstr *ts; - static int tloc = 0; - int tlen, clen; - - if (cap == NULL || *cap == '\0') { - t->str = NULL; - return; - } - else - clen = strlen(cap); - - if (t->str == NULL) - tlen = 0; - else - tlen = strlen(t->str); - - /* - * New string is shorter; no need to allocate space - */ - if (clen <= tlen) { - (void) strcpy(t->str, cap); - return; - } - - /* - * New string is longer; see if we have enough space to append - */ - if (tloc + 3 < TC_BUFSIZE) { - (void) strcpy(t->str = &termcap_alloc[tloc], cap); - tloc += clen + 1; /* one for \0 */ - return; - } - - /* - * Compact our buffer; no need to check compaction, cause we know it - * fits... - */ - tlen = 0; - for (ts = tstr; ts->name != NULL; ts++) - if (t != ts && ts->str != NULL && ts->str[0] != '\0') { - char *ptr; - - for (ptr = ts->str; *ptr != '\0'; termbuf[tlen++] = *ptr++) - continue; - termbuf[tlen++] = '\0'; - } - (void) memmove((ptr_t) termcap_alloc, (ptr_t) termbuf, (size_t) TC_BUFSIZE); - tloc = tlen; - if (tloc + 3 >= TC_BUFSIZE) { - stderror(ERR_NAME | ERR_TCNOSTR); - return; - } - (void) strcpy(t->str = &termcap_alloc[tloc], cap); - tloc += clen + 1; /* one for \0 */ - return; -} - - -/*ARGSUSED*/ -void -TellTC(what) - char *what; -{ - struct termcapstr *t; - - USE(what); - xprintf(CGETS(7, 1, "\n\tTcsh thinks your terminal has the\n")); - xprintf(CGETS(7, 2, "\tfollowing characteristics:\n\n")); - xprintf(CGETS(7, 3, "\tIt has %d columns and %d lines\n"), - Val(T_co), Val(T_li)); - xprintf(CGETS(7, 4, "\tIt has %s meta key\n"), T_HasMeta ? - CGETS(7, 5, "a") : CGETS(7, 6, "no")); - xprintf(CGETS(7, 7, "\tIt can%s use tabs\n"), T_Tabs ? - "" : CGETS(7, 8, " not")); - xprintf(CGETS(7, 9, "\tIt %s automatic margins\n"), - (T_Margin&MARGIN_AUTO)? - CGETS(7, 10, "has"): - CGETS(7, 11, "does not have")); - if (T_Margin & MARGIN_AUTO) - xprintf(CGETS(7, 12, "\tIt %s magic margins\n"), - (T_Margin & MARGIN_MAGIC) ? - CGETS(7, 10, "has"): - CGETS(7, 11, "does not have")); - - for (t = tstr; t->name != NULL; t++) - xprintf("\t%36s (%s) == %s\n", t->long_name, t->name, - t->str && *t->str ? t->str : CGETS(7, 13, "(empty)")); - xputchar('\n'); -} - - -static void -ReBufferDisplay() -{ - register int i; - Char **b; - Char **bufp; - - b = Display; - Display = NULL; - if (b != NULL) { - for (bufp = b; *bufp != NULL; bufp++) - xfree((ptr_t) * bufp); - xfree((ptr_t) b); - } - b = Vdisplay; - Vdisplay = NULL; - if (b != NULL) { - for (bufp = b; *bufp != NULL; bufp++) - xfree((ptr_t) * bufp); - xfree((ptr_t) b); - } - TermH = Val(T_co); - TermV = (INBUFSIZE * 4) / TermH + 1; - b = (Char **) xmalloc((size_t) (sizeof(Char *) * (TermV + 1))); - for (i = 0; i < TermV; i++) - b[i] = (Char *) xmalloc((size_t) (sizeof(Char) * (TermH + 1))); - b[TermV] = NULL; - Display = b; - b = (Char **) xmalloc((size_t) (sizeof(Char *) * (TermV + 1))); - for (i = 0; i < TermV; i++) - b[i] = (Char *) xmalloc((size_t) (sizeof(Char) * (TermH + 1))); - b[TermV] = NULL; - Vdisplay = b; -} - -void -SetTC(what, how) - char *what, *how; -{ - struct termcapstr *ts; - struct termcapval *tv; - - /* - * Do the strings first - */ - setname("settc"); - for (ts = tstr; ts->name != NULL; ts++) - if (strcmp(ts->name, what) == 0) - break; - if (ts->name != NULL) { - TCalloc(ts, how); - /* - * Reset variables - */ - if (GoodStr(T_me) && GoodStr(T_ue)) - me_all = (strcmp(Str(T_me), Str(T_ue)) == 0); - else - me_all = 0; - if (GoodStr(T_me) && GoodStr(T_se)) - me_all |= (strcmp(Str(T_me), Str(T_se)) == 0); - - T_CanCEOL = GoodStr(T_ce); - T_CanDel = GoodStr(T_dc) || GoodStr(T_DC); - T_CanIns = GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC); - T_CanUP = GoodStr(T_up) || GoodStr(T_UP); - return; - } - - /* - * Do the numeric ones second - */ - for (tv = tval; tv->name != NULL; tv++) - if (strcmp(tv->name, what) == 0) - break; - - if (tv->name != NULL) { - if (tv == &tval[T_pt] || tv == &tval[T_km] || - tv == &tval[T_am] || tv == &tval[T_xn]) { - if (strcmp(how, "yes") == 0) - tv->val = 1; - else if (strcmp(how, "no") == 0) - tv->val = 0; - else { - stderror(ERR_SETTCUS, tv->name); - return; - } - T_Tabs = (Char) Val(T_pt); - T_HasMeta = (Char) Val(T_km); - T_Margin = (Char) Val(T_am) ? MARGIN_AUTO : 0; - T_Margin |= (Char) Val(T_xn) ? MARGIN_MAGIC : 0; - if (tv == &tval[T_am] || tv == &tval[T_xn]) - ChangeSize(Val(T_li), Val(T_co)); - return; - } - else { - tv->val = atoi(how); - T_Cols = (Char) Val(T_co); - T_Lines = (Char) Val(T_li); - if (tv == &tval[T_co] || tv == &tval[T_li]) - ChangeSize(Val(T_li), Val(T_co)); - return; - } - } - stderror(ERR_NAME | ERR_TCCAP, what); - return; -} - - -/* - * Print the termcap string out with variable substitution - */ -void -EchoTC(v) - Char **v; -{ - char *cap, *scap, cv[BUFSIZE]; - int arg_need, arg_cols, arg_rows; - int verbose = 0, silent = 0; - char *area; - static char *fmts = "%s\n", *fmtd = "%d\n"; - struct termcapstr *t; - char buf[TC_BUFSIZE]; - - area = buf; - - setname("echotc"); - - tglob(v); - if (gflag) { - v = globall(v); - if (v == 0) - stderror(ERR_NAME | ERR_NOMATCH); - } - else - v = gargv = saveblk(v); - trim(v); - - if (!*v || *v[0] == '\0') - return; - if (v[0][0] == '-') { - switch (v[0][1]) { - case 'v': - verbose = 1; - break; - case 's': - silent = 1; - break; - default: - stderror(ERR_NAME | ERR_TCUSAGE); - break; - } - v++; - } - if (!*v || *v[0] == '\0') - return; - (void) strcpy(cv, short2str(*v)); - if (strcmp(cv, "tabs") == 0) { - xprintf(fmts, T_Tabs ? CGETS(7, 14, "yes") : - CGETS(7, 15, "no")); - flush(); - return; - } - else if (strcmp(cv, "meta") == 0) { - xprintf(fmts, Val(T_km) ? CGETS(7, 14, "yes") : - CGETS(7, 15, "no")); - flush(); - return; - } - else if (strcmp(cv, "xn") == 0) { - xprintf(fmts, T_Margin & MARGIN_MAGIC ? CGETS(7, 14, "yes") : - CGETS(7, 15, "no")); - flush(); - return; - } - else if (strcmp(cv, "am") == 0) { - xprintf(fmts, T_Margin & MARGIN_AUTO ? CGETS(7, 14, "yes") : - CGETS(7, 15, "no")); - flush(); - return; - } - else if (strcmp(cv, "baud") == 0) { - int i; - - for (i = 0; baud_rate[i].b_name != NULL; i++) - if (T_Speed == baud_rate[i].b_rate) { - xprintf(fmts, baud_rate[i].b_name); - flush(); - return; - } - xprintf(fmtd, 0); - flush(); - return; - } - else if (strcmp(cv, "rows") == 0 || strcmp(cv, "lines") == 0) { - xprintf(fmtd, Val(T_li)); - flush(); - return; - } - else if (strcmp(cv, "cols") == 0) { - xprintf(fmtd, Val(T_co)); - flush(); - return; - } - - /* - * Try to use our local definition first - */ - scap = NULL; - for (t = tstr; t->name != NULL; t++) - if (strcmp(t->name, cv) == 0) { - scap = t->str; - break; - } - if (t->name == NULL) - scap = tgetstr(cv, &area); - if (!scap || scap[0] == '\0') { - if (tgetflag(cv)) { - xprintf(CGETS(7, 14, "yes\n")); - return; - } - if (silent) - return; - else - stderror(ERR_NAME | ERR_TCCAP, cv); - } - - /* - * Count home many values we need for this capability. - */ - for (cap = scap, arg_need = 0; *cap; cap++) - if (*cap == '%') - switch (*++cap) { - case 'd': - case '2': - case '3': - case '.': - case '+': - arg_need++; - break; - case '%': - case '>': - case 'i': - case 'r': - case 'n': - case 'B': - case 'D': - break; - default: - /* - * hpux has lot's of them... - */ - if (verbose) - stderror(ERR_NAME | ERR_TCPARM, *cap); - /* This is bad, but I won't complain */ - break; - } - - switch (arg_need) { - case 0: - v++; - if (*v && *v[0]) { - if (silent) - return; - else - stderror(ERR_NAME | ERR_TCARGS, cv, arg_need); - } - (void) tputs(scap, 1, PUTRAW); - break; - case 1: - v++; - if (!*v || *v[0] == '\0') - stderror(ERR_NAME | ERR_TCNARGS, cv, 1); - arg_cols = 0; - arg_rows = atoi(short2str(*v)); - v++; - if (*v && *v[0]) { - if (silent) - return; - else - stderror(ERR_NAME | ERR_TCARGS, cv, arg_need); - } - (void) tputs(tgoto(scap, arg_cols, arg_rows), 1, PUTRAW); - break; - default: - /* This is wrong, but I will ignore it... */ - if (verbose) - stderror(ERR_NAME | ERR_TCARGS, cv, arg_need); - /*FALLTHROUGH*/ - case 2: - v++; - if (!*v || *v[0] == '\0') { - if (silent) - return; - else - stderror(ERR_NAME | ERR_TCNARGS, cv, 2); - } - arg_cols = atoi(short2str(*v)); - v++; - if (!*v || *v[0] == '\0') { - if (silent) - return; - else - stderror(ERR_NAME | ERR_TCNARGS, cv, 2); - } - arg_rows = atoi(short2str(*v)); - v++; - if (*v && *v[0]) { - if (silent) - return; - else - stderror(ERR_NAME | ERR_TCARGS, cv, arg_need); - } - (void) tputs(tgoto(scap, arg_cols, arg_rows), arg_rows, PUTRAW); - break; - } - flush(); - if (gargv) { - blkfree(gargv); - gargv = 0; - } -} - -bool GotTermCaps = 0; - -static struct { - Char *name; - int key; - XmapVal fun; - int type; -} arrow[] = { -#define A_K_DN 0 - { STRdown, T_kd }, -#define A_K_UP 1 - { STRup, T_ku }, -#define A_K_LT 2 - { STRleft, T_kl }, -#define A_K_RT 3 - { STRright, T_kr } -}; - - -void -ResetArrowKeys() -{ - arrow[A_K_DN].fun.cmd = F_DOWN_HIST; - arrow[A_K_DN].type = XK_CMD; - - arrow[A_K_UP].fun.cmd = F_UP_HIST; - arrow[A_K_UP].type = XK_CMD; - - arrow[A_K_LT].fun.cmd = F_CHARBACK; - arrow[A_K_LT].type = XK_CMD; - - arrow[A_K_RT].fun.cmd = F_CHARFWD; - arrow[A_K_RT].type = XK_CMD; - -} - -void -DefaultArrowKeys() -{ - static Char strA[] = {033, '[', 'A', '\0'}; - static Char strB[] = {033, '[', 'B', '\0'}; - static Char strC[] = {033, '[', 'C', '\0'}; - static Char strD[] = {033, '[', 'D', '\0'}; - static Char stOA[] = {033, 'O', 'A', '\0'}; - static Char stOB[] = {033, 'O', 'B', '\0'}; - static Char stOC[] = {033, 'O', 'C', '\0'}; - static Char stOD[] = {033, 'O', 'D', '\0'}; - - CStr cs; -#ifdef _OSD_POSIX - if (strA[0] == 033) - { - strA[0] = CTL_ESC('\033'); - strB[0] = CTL_ESC('\033'); - strC[0] = CTL_ESC('\033'); - strD[0] = CTL_ESC('\033'); - stOA[0] = CTL_ESC('\033'); - stOB[0] = CTL_ESC('\033'); - stOC[0] = CTL_ESC('\033'); - stOD[0] = CTL_ESC('\033'); - } -#endif - - cs.len = 3; - - cs.buf = strA; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type); - cs.buf = strB; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type); - cs.buf = strC; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type); - cs.buf = strD; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type); - cs.buf = stOA; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type); - cs.buf = stOB; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type); - cs.buf = stOC; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type); - cs.buf = stOD; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type); - - if (VImode) { - cs.len = 2; - cs.buf = &strA[1]; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type); - cs.buf = &strB[1]; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type); - cs.buf = &strC[1]; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type); - cs.buf = &strD[1]; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type); - cs.buf = &stOA[1]; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type); - cs.buf = &stOB[1]; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type); - cs.buf = &stOC[1]; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type); - cs.buf = &stOD[1]; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type); - } -} - - -int -SetArrowKeys(name, fun, type) - CStr *name; - XmapVal *fun; - int type; -{ - int i; - for (i = 0; i < 4; i++) - if (Strcmp(name->buf, arrow[i].name) == 0) { - arrow[i].fun = *fun; - arrow[i].type = type; - return 0; - } - return -1; -} - -int -IsArrowKey(name) - Char *name; -{ - int i; - for (i = 0; i < 4; i++) - if (Strcmp(name, arrow[i].name) == 0) - return 1; - return 0; -} - -int -ClearArrowKeys(name) - CStr *name; -{ - int i; - for (i = 0; i < 4; i++) - if (Strcmp(name->buf, arrow[i].name) == 0) { - arrow[i].type = XK_NOD; - return 0; - } - return -1; -} - -void -PrintArrowKeys(name) - CStr *name; -{ - int i; - - for (i = 0; i < 4; i++) - if (name->len == 0 || Strcmp(name->buf, arrow[i].name) == 0) - if (arrow[i].type != XK_NOD) { - CStr cs; - cs.buf = arrow[i].name; - cs.len = Strlen(cs.buf); - (void) printOne(&cs, &arrow[i].fun, arrow[i].type); - } -} - - -void -BindArrowKeys() -{ - KEYCMD *map, *dmap; - int i, j; - char *p; - CStr cs; - - if (!GotTermCaps) - return; - map = VImode ? CcAltMap : CcKeyMap; - dmap = VImode ? CcViCmdMap : CcEmacsMap; - - DefaultArrowKeys(); - - for (i = 0; i < 4; i++) { - p = tstr[arrow[i].key].str; - if (p && *p) { - j = (unsigned char) *p; - cs.buf = str2short(p); - cs.len = Strlen(cs.buf); - /* - * Assign the arrow keys only if: - * - * 1. They are multi-character arrow keys and the user - * has not re-assigned the leading character, or - * has re-assigned the leading character to be F_XKEY - * 2. They are single arrow keys pointing to an unassigned key. - */ - if (arrow[i].type == XK_NOD) { - ClearXkey(map, &cs); - } - else { - if (p[1] && (dmap[j] == map[j] || map[j] == F_XKEY)) { - AddXkey(&cs, &arrow[i].fun, arrow[i].type); - map[j] = F_XKEY; - } - else if (map[j] == F_UNASSIGNED) { - ClearXkey(map, &cs); - if (arrow[i].type == XK_CMD) - map[j] = arrow[i].fun.cmd; - else - AddXkey(&cs, &arrow[i].fun, arrow[i].type); - } - } - } - } -} - -static Char cur_atr = 0; /* current attributes */ - -void -SetAttributes(atr) - int atr; -{ - atr &= ATTRIBUTES; - if (atr != cur_atr) { - if (me_all && GoodStr(T_me)) { - if (((cur_atr & BOLD) && !(atr & BOLD)) || - ((cur_atr & UNDER) && !(atr & UNDER)) || - ((cur_atr & STANDOUT) && !(atr & STANDOUT))) { - (void) tputs(Str(T_me), 1, PUTPURE); - cur_atr = 0; - } - } - if ((atr & BOLD) != (cur_atr & BOLD)) { - if (atr & BOLD) { - if (GoodStr(T_md) && GoodStr(T_me)) { - (void) tputs(Str(T_md), 1, PUTPURE); - cur_atr |= BOLD; - } - } - else { - if (GoodStr(T_md) && GoodStr(T_me)) { - (void) tputs(Str(T_me), 1, PUTPURE); - if ((cur_atr & STANDOUT) && GoodStr(T_se)) { - (void) tputs(Str(T_se), 1, PUTPURE); - cur_atr &= ~STANDOUT; - } - if ((cur_atr & UNDER) && GoodStr(T_ue)) { - (void) tputs(Str(T_ue), 1, PUTPURE); - cur_atr &= ~UNDER; - } - cur_atr &= ~BOLD; - } - } - } - if ((atr & STANDOUT) != (cur_atr & STANDOUT)) { - if (atr & STANDOUT) { - if (GoodStr(T_so) && GoodStr(T_se)) { - (void) tputs(Str(T_so), 1, PUTPURE); - cur_atr |= STANDOUT; - } - } - else { - if (GoodStr(T_se)) { - (void) tputs(Str(T_se), 1, PUTPURE); - cur_atr &= ~STANDOUT; - } - } - } - if ((atr & UNDER) != (cur_atr & UNDER)) { - if (atr & UNDER) { - if (GoodStr(T_us) && GoodStr(T_ue)) { - (void) tputs(Str(T_us), 1, PUTPURE); - cur_atr |= UNDER; - } - } - else { - if (GoodStr(T_ue)) { - (void) tputs(Str(T_ue), 1, PUTPURE); - cur_atr &= ~UNDER; - } - } - } - } -} - -/* PWP 6-27-88 -- if the tty driver thinks that we can tab, we ask termcap */ -int -CanWeTab() -{ - return (Val(T_pt)); -} - -void -MoveToLine(where) /* move to line <where> (first line == 0) */ - int where; /* as efficiently as possible; */ -{ - int del; - - if (where == CursorV) - return; - - if (where > TermV) { -#ifdef DEBUG_SCREEN - xprintf("MoveToLine: where is ridiculous: %d\r\n", where); - flush(); -#endif /* DEBUG_SCREEN */ - return; - } - - del = where - CursorV; - -#ifndef WINNT - if (del > 0) { - while (del > 0) { - if ((T_Margin & MARGIN_AUTO) && Display[CursorV][0] != '\0') { - /* move without newline */ - MoveToChar(TermH - 1); - so_write(&Display[CursorV][CursorH], 1); /* updates CursorH/V*/ - del--; - } - else { - if ((del > 1) && GoodStr(T_DO)) { - (void) tputs(tgoto(Str(T_DO), del, del), del, PUTPURE); - del = 0; - } - else { - for ( ; del > 0; del--) - (void) putraw('\n'); - CursorH = 0; /* because the \n will become \r\n */ - } - } - } - } - else { /* del < 0 */ - if (GoodStr(T_UP) && (-del > 1 || !GoodStr(T_up))) - (void) tputs(tgoto(Str(T_UP), -del, -del), -del, PUTPURE); - else { - int i; - if (GoodStr(T_up)) - for (i = 0; i < -del; i++) - (void) tputs(Str(T_up), 1, PUTPURE); - } - } -#else /* WINNT */ - NT_MoveToLineOrChar(del, 1); -#endif /* !WINNT */ - CursorV = where; /* now where is here */ -} - -void -MoveToChar(where) /* move to character position (where) */ - int where; -{ /* as efficiently as possible */ -#ifndef WINNT - int del; - -mc_again: -#endif /* WINNT */ - if (where == CursorH) - return; - - if (where >= TermH) { -#ifdef DEBUG_SCREEN - xprintf("MoveToChar: where is riduculous: %d\r\n", where); - flush(); -#endif /* DEBUG_SCREEN */ - return; - } - - if (!where) { /* if where is first column */ - (void) putraw('\r'); /* do a CR */ - CursorH = 0; - return; - } - -#ifndef WINNT - del = where - CursorH; - - if ((del < -4 || del > 4) && GoodStr(T_ch)) - /* go there directly */ - (void) tputs(tgoto(Str(T_ch), where, where), where, PUTPURE); - else { - int i; - if (del > 0) { /* moving forward */ - if ((del > 4) && GoodStr(T_RI)) - (void) tputs(tgoto(Str(T_RI), del, del), del, PUTPURE); - else { - if (T_Tabs) { /* if I can do tabs, use them */ - if ((CursorH & 0370) != (where & 0370)) { - /* if not within tab stop */ - for (i = (CursorH & 0370); i < (where & 0370); i += 8) - (void) putraw('\t'); /* then tab over */ - CursorH = where & 0370; - /* Note: considering that we often want to go to - TermH - 1 for the wrapping, it would be nice to - optimize this case by tabbing to the last column - - but this doesn't work for all terminals! */ - } - } - /* it's usually cheaper to just write the chars, so we do. */ - - /* NOTE THAT so_write() WILL CHANGE CursorH!!! */ - so_write(&Display[CursorV][CursorH], where - CursorH); - - } - } - else { /* del < 0 := moving backward */ - if ((-del > 4) && GoodStr(T_LE)) - (void) tputs(tgoto(Str(T_LE), -del, -del), -del, PUTPURE); - else { /* can't go directly there */ - /* if the "cost" is greater than the "cost" from col 0 */ - if (T_Tabs ? (-del > ((where >> 3) + (where & 07))) - : (-del > where)) { - (void) putraw('\r'); /* do a CR */ - CursorH = 0; - goto mc_again; /* and try again */ - } - for (i = 0; i < -del; i++) - (void) putraw('\b'); - } - } - } -#else /* WINNT */ - NT_MoveToLineOrChar(where, 0); -#endif /* !WINNT */ - CursorH = where; /* now where is here */ -} - -void -so_write(cp, n) - register Char *cp; - register int n; -{ - if (n <= 0) - return; /* catch bugs */ - - if (n > TermH) { -#ifdef DEBUG_SCREEN - xprintf("so_write: n is riduculous: %d\r\n", n); - flush(); -#endif /* DEBUG_SCREEN */ - return; - } - - do { - if (*cp & LITERAL) { - extern Char *litptr[]; - Char *d; - -#ifdef DEBUG_LITERAL - xprintf("so: litnum %d, litptr %x\r\n", - *cp & CHAR, litptr[*cp & CHAR]); -#endif /* DEBUG_LITERAL */ -#if defined(WINNT) && !defined(COLOR_LS_F) - { - char buf[256], *ptr = &buf[0]; - for (d = litptr[*cp++ & CHAR]; *d & LITERAL; d++) - *ptr++ = (*d & CHAR); - flush(); - set_cons_attr(buf); - } -#else /* !WINNT || COLOR_LS_F */ - for (d = litptr[*cp++ & CHAR]; *d & LITERAL; d++) - (void) putraw(*d & CHAR); -#endif /* WINNT && !COLOR_LS_F */ - (void) putraw(*d); - - } - else - (void) putraw(*cp++); - CursorH++; - } while (--n); - - if (CursorH >= TermH) { /* wrap? */ - if (T_Margin & MARGIN_AUTO) { /* yes */ - CursorH = 0; - CursorV++; - if (T_Margin & MARGIN_MAGIC) { - /* force the wrap to avoid the "magic" situation */ - Char c; - if ((c = Display[CursorV][CursorH]) != '\0') - so_write(&c, 1); - else - (void) putraw(' '); - CursorH = 1; - } - } - else /* no wrap, but cursor stays on screen */ - CursorH = TermH - 1; - } -} - - -void -DeleteChars(num) /* deletes <num> characters */ - int num; -{ - if (num <= 0) - return; - - if (!T_CanDel) { -#ifdef DEBUG_EDIT - xprintf(CGETS(7, 16, "ERROR: cannot delete\r\n")); -#endif /* DEBUG_EDIT */ - flush(); - return; - } - - if (num > TermH) { -#ifdef DEBUG_SCREEN - xprintf(CGETS(7, 17, "DeleteChars: num is riduculous: %d\r\n"), num); - flush(); -#endif /* DEBUG_SCREEN */ - return; - } - - if (GoodStr(T_DC)) /* if I have multiple delete */ - if ((num > 1) || !GoodStr(T_dc)) { /* if dc would be more expen. */ - (void) tputs(tgoto(Str(T_DC), num, num), num, PUTPURE); - return; - } - - if (GoodStr(T_dm)) /* if I have delete mode */ - (void) tputs(Str(T_dm), 1, PUTPURE); - - if (GoodStr(T_dc)) /* else do one at a time */ - while (num--) - (void) tputs(Str(T_dc), 1, PUTPURE); - - if (GoodStr(T_ed)) /* if I have delete mode */ - (void) tputs(Str(T_ed), 1, PUTPURE); -} - -void -Insert_write(cp, num) /* Puts terminal in insert character mode, */ - register Char *cp; - register int num; /* or inserts num characters in the line */ -{ - if (num <= 0) - return; - if (!T_CanIns) { -#ifdef DEBUG_EDIT - xprintf(CGETS(7, 18, "ERROR: cannot insert\r\n")); -#endif /* DEBUG_EDIT */ - flush(); - return; - } - - if (num > TermH) { -#ifdef DEBUG_SCREEN - xprintf(CGETS(7, 19, "StartInsert: num is riduculous: %d\r\n"), num); - flush(); -#endif /* DEBUG_SCREEN */ - return; - } - - if (GoodStr(T_IC)) /* if I have multiple insert */ - if ((num > 1) || !GoodStr(T_ic)) { /* if ic would be more expen. */ - (void) tputs(tgoto(Str(T_IC), num, num), num, PUTPURE); - so_write(cp, num); /* this updates CursorH/V */ - return; - } - - if (GoodStr(T_im) && GoodStr(T_ei)) { /* if I have insert mode */ - (void) tputs(Str(T_im), 1, PUTPURE); - - CursorH += num; - do - (void) putraw(*cp++); - while (--num); - - if (GoodStr(T_ip)) /* have to make num chars insert */ - (void) tputs(Str(T_ip), 1, PUTPURE); - - (void) tputs(Str(T_ei), 1, PUTPURE); - return; - } - - do { - if (GoodStr(T_ic)) /* have to make num chars insert */ - (void) tputs(Str(T_ic), 1, PUTPURE); /* insert a char */ - - (void) putraw(*cp++); - - CursorH++; - - if (GoodStr(T_ip)) /* have to make num chars insert */ - (void) tputs(Str(T_ip), 1, PUTPURE);/* pad the inserted char */ - - } while (--num); - -} - -void -ClearEOL(num) /* clear to end of line. There are num */ - int num; /* characters to clear */ -{ - register int i; - - if (num <= 0) - return; - - if (T_CanCEOL && GoodStr(T_ce)) - (void) tputs(Str(T_ce), 1, PUTPURE); - else { - for (i = 0; i < num; i++) - (void) putraw(' '); - CursorH += num; /* have written num spaces */ - } -} - -void -ClearScreen() -{ /* clear the whole screen and home */ - if (GoodStr(T_cl)) - /* send the clear screen code */ - (void) tputs(Str(T_cl), Val(T_li), PUTPURE); - else if (GoodStr(T_ho) && GoodStr(T_cd)) { - (void) tputs(Str(T_ho), Val(T_li), PUTPURE); /* home */ - /* clear to bottom of screen */ - (void) tputs(Str(T_cd), Val(T_li), PUTPURE); - } - else { - (void) putraw('\r'); - (void) putraw('\n'); - } -} - -void -SoundBeep() -{ /* produce a sound */ - beep_cmd (); - if (adrof(STRnobeep)) - return; - - if (GoodStr(T_vb) && adrof(STRvisiblebell)) - (void) tputs(Str(T_vb), 1, PUTPURE); /* visible bell */ - else if (GoodStr(T_bl)) - /* what termcap says we should use */ - (void) tputs(Str(T_bl), 1, PUTPURE); - else -#ifndef WINNT - (void) putraw(CTL_ESC('\007')); /* an ASCII bell; ^G */ -#else /* WINNT */ - MessageBeep(MB_ICONQUESTION); -#endif /* !WINNT */ -} - -void -ClearToBottom() -{ /* clear to the bottom of the screen */ - if (GoodStr(T_cd)) - (void) tputs(Str(T_cd), Val(T_li), PUTPURE); - else if (GoodStr(T_ce)) - (void) tputs(Str(T_ce), Val(T_li), PUTPURE); -} - -void -GetTermCaps() -{ /* read in the needed terminal capabilites */ - register int i; - char *ptr; - char buf[TC_BUFSIZE]; - static char bp[TC_BUFSIZE]; - char *area; - struct termcapstr *t; - - -#ifdef SIG_WINDOW -# ifdef BSDSIGS - sigmask_t omask; -# endif /* BSDSIGS */ - int lins, cols; - - /* don't want to confuse things here */ -# ifdef BSDSIGS - omask = sigblock(sigmask(SIG_WINDOW)) & ~sigmask(SIG_WINDOW); -# else /* BSDSIGS */ - (void) sighold(SIG_WINDOW); -# endif /* BSDSIGS */ -#endif /* SIG_WINDOW */ - area = buf; - - GotTermCaps = 1; - - setname("gettermcaps"); - ptr = getenv("TERM"); - -#ifdef apollo - /* - * If we are on a pad, we pretend that we are dumb. Otherwise the termcap - * library will put us in a weird screen mode, thinking that we are going - * to use curses - */ - if (isapad()) - ptr = "dumb"; -#endif /* apollo */ - - if (!ptr || !ptr[0] || !strcmp(ptr, "wm") || !strcmp(ptr,"dmx")) - ptr = "dumb"; - - setzero(bp, TC_BUFSIZE); - - i = tgetent(bp, ptr); - if (i <= 0) { - if (i == -1) { -#if (SYSVREL == 0) || defined(IRIS3D) - xprintf(CGETS(7, 20, "%s: Cannot open /etc/termcap.\n"), progname); - } - else if (i == 0) { -#endif /* SYSVREL */ - xprintf(CGETS(7, 21, - "%s: No entry for terminal type \"%s\"\n"), progname, - getenv("TERM")); - } - xprintf(CGETS(7, 22, "%s: using dumb terminal settings.\n"), progname); - Val(T_co) = 80; /* do a dumb terminal */ - Val(T_pt) = Val(T_km) = Val(T_li) = 0; - for (t = tstr; t->name != NULL; t++) - TCalloc(t, NULL); - } - else { - /* Can we tab */ - Val(T_pt) = tgetflag("pt") && !tgetflag("xt"); - /* do we have a meta? */ - Val(T_km) = (tgetflag("km") || tgetflag("MT")); - Val(T_am) = tgetflag("am"); - Val(T_xn) = tgetflag("xn"); - Val(T_co) = tgetnum("co"); - Val(T_li) = tgetnum("li"); - for (t = tstr; t->name != NULL; t++) - TCalloc(t, tgetstr(t->name, &area)); - } - if (Val(T_co) < 2) - Val(T_co) = 80; /* just in case */ - if (Val(T_li) < 1) - Val(T_li) = 24; - - T_Cols = (Char) Val(T_co); - T_Lines = (Char) Val(T_li); - if (T_Tabs) - T_Tabs = (Char) Val(T_pt); - T_HasMeta = (Char) Val(T_km); - T_Margin = (Char) Val(T_am) ? MARGIN_AUTO : 0; - T_Margin |= (Char) Val(T_xn) ? MARGIN_MAGIC : 0; - T_CanCEOL = GoodStr(T_ce); - T_CanDel = GoodStr(T_dc) || GoodStr(T_DC); - T_CanIns = GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC); - T_CanUP = GoodStr(T_up) || GoodStr(T_UP); - if (GoodStr(T_me) && GoodStr(T_ue)) - me_all = (strcmp(Str(T_me), Str(T_ue)) == 0); - else - me_all = 0; - if (GoodStr(T_me) && GoodStr(T_se)) - me_all |= (strcmp(Str(T_me), Str(T_se)) == 0); - - -#ifdef DEBUG_SCREEN - if (!T_CanUP) { - xprintf(CGETS(7, 23, "%s: WARNING: Your terminal cannot move up.\n", - progname)); - xprintf(CGETS(7, 24, "Editing may be odd for long lines.\n")); - } - if (!T_CanCEOL) - xprintf(CGETS(7, 25, "no clear EOL capability.\n")); - if (!T_CanDel) - xprintf(CGETS(7, 26, "no delete char capability.\n")); - if (!T_CanIns) - xprintf(CGETS(7, 27, "no insert char capability.\n")); -#endif /* DEBUG_SCREEN */ - - - -#ifdef SIG_WINDOW - (void) GetSize(&lins, &cols); /* get the correct window size */ - ChangeSize(lins, cols); - -# ifdef BSDSIGS - (void) sigsetmask(omask); /* can change it again */ -# else /* BSDSIGS */ - (void) sigrelse(SIG_WINDOW); -# endif /* BSDSIGS */ -#else /* SIG_WINDOW */ - ChangeSize(Val(T_li), Val(T_co)); -#endif /* SIG_WINDOW */ - - BindArrowKeys(); -} - -#ifdef SIG_WINDOW -/* GetSize(): - * Return the new window size in lines and cols, and - * true if the size was changed. This can fail if SHIN - * is not a tty, but it will work in most cases. - */ -int -GetSize(lins, cols) - int *lins, *cols; -{ - *cols = Val(T_co); - *lins = Val(T_li); - -#ifdef TIOCGWINSZ -# define KNOWsize -# ifndef lint - { - struct winsize ws; /* from 4.3 */ - - if (ioctl(SHIN, TIOCGWINSZ, (ioctl_t) &ws) != -1) { - if (ws.ws_col) - *cols = ws.ws_col; - if (ws.ws_row) - *lins = ws.ws_row; - } - } -# endif /* !lint */ -#else /* TIOCGWINSZ */ -# ifdef TIOCGSIZE -# define KNOWsize - { - struct ttysize ts; /* from Sun */ - - if (ioctl(SHIN, TIOCGSIZE, (ioctl_t) &ts) != -1) { - if (ts.ts_cols) - *cols = ts.ts_cols; - if (ts.ts_lines) - *lins = ts.ts_lines; - } - } -# endif /* TIOCGSIZE */ -#endif /* TIOCGWINSZ */ - - return (Val(T_co) != *cols || Val(T_li) != *lins); -} - -#endif /* SIGWINDOW */ - -void -ChangeSize(lins, cols) - int lins, cols; -{ - /* - * Just in case - */ - Val(T_co) = (cols < 2) ? 80 : cols; - Val(T_li) = (lins < 1) ? 24 : lins; - -#ifdef WINNT - nt_set_size(lins,cols); -#endif /* WINNT */ -#ifdef KNOWsize - /* - * We want to affect the environment only when we have a valid - * setup, not when we get bad settings. Consider the following scenario: - * We just logged in, and we have not initialized the editor yet. - * We reset termcap with tset, and not $TERMCAP has the right - * terminal size. But since the editor is not initialized yet, and - * the kernel's notion of the terminal size might be wrong we arrive - * here with lines = columns = 0. If we reset the environment we lose - * our only chance to get the window size right. - */ - if (Val(T_co) == cols && Val(T_li) == lins) { - Char buf[10]; - char *tptr; - - if (getenv("COLUMNS")) { - (void) Itoa(Val(T_co), buf, 0, 0); - tsetenv(STRCOLUMNS, buf); - } - - if (getenv("LINES")) { - (void) Itoa(Val(T_li), buf, 0, 0); - tsetenv(STRLINES, buf); - } - - if ((tptr = getenv("TERMCAP")) != NULL) { - /* Leave 64 characters slop in case we enlarge the termcap string */ - Char termcap[1024+64], backup[1024+64], *ptr; - int i; - - ptr = str2short(tptr); - (void) Strncpy(termcap, ptr, 1024); - termcap[1023] = '\0'; - - /* update termcap string; first do columns */ - buf[0] = 'c'; - buf[1] = 'o'; - buf[2] = '#'; - buf[3] = '\0'; - if ((ptr = Strstr(termcap, buf)) == NULL) { - (void) Strcpy(backup, termcap); - } - else { - i = (int) (ptr - termcap + Strlen(buf)); - (void) Strncpy(backup, termcap, (size_t) i); - backup[i] = '\0'; - (void) Itoa(Val(T_co), buf, 0, 0); - (void) Strcat(backup + i, buf); - ptr = Strchr(ptr, ':'); - (void) Strcat(backup, ptr); - } - - /* now do lines */ - buf[0] = 'l'; - buf[1] = 'i'; - buf[2] = '#'; - buf[3] = '\0'; - if ((ptr = Strstr(backup, buf)) == NULL) { - (void) Strcpy(termcap, backup); - } - else { - i = (int) (ptr - backup + Strlen(buf)); - (void) Strncpy(termcap, backup, (size_t) i); - termcap[i] = '\0'; - (void) Itoa(Val(T_li), buf, 0, 0); - (void) Strcat(termcap, buf); - ptr = Strchr(ptr, ':'); - (void) Strcat(termcap, ptr); - } - /* - * Chop the termcap string at 1024 characters to avoid core-dumps - * in the termcap routines - */ - termcap[1023] = '\0'; - tsetenv(STRTERMCAP, termcap); - } - } -#endif /* KNOWsize */ - - ReBufferDisplay(); /* re-make display buffers */ - ClearDisp(); -} |