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freebsd-dev/contrib/tcsh/tc.bind.c
Andrey A. Chernov 3b6eaa7b1e Initial import of slightly trimmed tcsh 6.10
2000-11-30 21:05:33 +00:00

1081 lines
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/* $Header: /src/pub/tcsh/tc.bind.c,v 3.35 2000/11/11 23:03:38 christos Exp $ */
/*
* tc.bind.c: Key binding functions
*/
/*-
* 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: tc.bind.c,v 3.35 2000/11/11 23:03:38 christos Exp $")
#include "ed.h"
#include "ed.defns.h"
#ifdef OBSOLETE
static int tocontrol __P((int));
static char *unparsekey __P((int));
static KEYCMD getkeycmd __P((Char **));
static int parsekey __P((Char **));
static void pkeys __P((int, int));
#endif /* OBSOLETE */
static void printkey __P((KEYCMD *, CStr *));
static KEYCMD parsecmd __P((Char *));
static void bad_spec __P((Char *));
static CStr *parsestring __P((Char *, CStr *));
static CStr *parsebind __P((Char *, CStr *));
static void print_all_keys __P((void));
static void printkeys __P((KEYCMD *, int, int));
static void bindkey_usage __P((void));
static void list_functions __P((void));
extern int MapsAreInited;
/*ARGSUSED*/
void
dobindkey(v, c)
Char **v;
struct command *c;
{
KEYCMD *map;
int ntype, no, remove, key, bind;
Char *par;
Char p;
KEYCMD cmd;
CStr in;
CStr out;
Char inbuf[200];
Char outbuf[200];
uChar ch;
in.buf = inbuf;
out.buf = outbuf;
in.len = 0;
out.len = 0;
USE(c);
if (!MapsAreInited)
ed_InitMaps();
map = CcKeyMap;
ntype = XK_CMD;
key = remove = bind = 0;
for (no = 1, par = v[no];
par != NULL && (*par++ & CHAR) == '-'; no++, par = v[no]) {
if ((p = (*par & CHAR)) == '-') {
no++;
break;
}
else
switch (p) {
case 'b':
bind = 1;
break;
case 'k':
key = 1;
break;
case 'a':
map = CcAltMap;
break;
case 's':
ntype = XK_STR;
break;
case 'c':
ntype = XK_EXE;
break;
case 'r':
remove = 1;
break;
case 'v':
ed_InitVIMaps();
return;
case 'e':
ed_InitEmacsMaps();
return;
case 'd':
#ifdef VIDEFAULT
ed_InitVIMaps();
#else /* EMACSDEFAULT */
ed_InitEmacsMaps();
#endif /* VIDEFAULT */
return;
case 'l':
list_functions();
return;
default:
bindkey_usage();
return;
}
}
if (!v[no]) {
print_all_keys();
return;
}
if (key) {
if (!IsArrowKey(v[no]))
xprintf(CGETS(20, 1, "Invalid key name `%S'\n"), v[no]);
in.buf = v[no++];
in.len = Strlen(in.buf);
}
else {
if (bind) {
if (parsebind(v[no++], &in) == NULL)
return;
}
else {
if (parsestring(v[no++], &in) == NULL)
return;
}
}
ch = (uChar) in.buf[0];
if (remove) {
if (key) {
(void) ClearArrowKeys(&in);
return;
}
if (in.len > 1) {
(void) DeleteXkey(&in);
}
else if (map[ch] == F_XKEY) {
(void) DeleteXkey(&in);
map[ch] = F_UNASSIGNED;
}
else {
map[ch] = F_UNASSIGNED;
}
return;
}
if (!v[no]) {
if (key)
PrintArrowKeys(&in);
else
printkey(map, &in);
return;
}
if (v[no + 1]) {
bindkey_usage();
return;
}
switch (ntype) {
case XK_STR:
case XK_EXE:
if (parsestring(v[no], &out) == NULL)
return;
if (key) {
if (SetArrowKeys(&in, XmapStr(&out), ntype) == -1)
xprintf(CGETS(20, 2, "Bad key name: %S\n"), in);
}
else
AddXkey(&in, XmapStr(&out), ntype);
map[ch] = F_XKEY;
break;
case XK_CMD:
if ((cmd = parsecmd(v[no])) == 0)
return;
if (key)
(void) SetArrowKeys(&in, XmapCmd((int) cmd), ntype);
else {
if (in.len > 1) {
AddXkey(&in, XmapCmd((int) cmd), ntype);
map[ch] = F_XKEY;
}
else {
ClearXkey(map, &in);
map[ch] = cmd;
}
}
break;
default:
abort();
break;
}
if (key)
BindArrowKeys();
}
static void
printkey(map, in)
KEYCMD *map;
CStr *in;
{
unsigned char outbuf[100];
register struct KeyFuncs *fp;
if (in->len < 2) {
(void) unparsestring(in, outbuf, STRQQ);
for (fp = FuncNames; fp->name; fp++) {
if (fp->func == map[(uChar) *(in->buf)]) {
xprintf("%s\t->\t%s\n", outbuf, fp->name);
}
}
}
else
PrintXkey(in);
}
static KEYCMD
parsecmd(str)
Char *str;
{
register struct KeyFuncs *fp;
for (fp = FuncNames; fp->name; fp++) {
if (strcmp(short2str(str), fp->name) == 0) {
return (KEYCMD) fp->func;
}
}
xprintf(CGETS(20, 3, "Bad command name: %S\n"), str);
return 0;
}
static void
bad_spec(str)
Char *str;
{
xprintf(CGETS(20, 4, "Bad key spec %S\n"), str);
}
static CStr *
parsebind(s, str)
Char *s;
CStr *str;
{
#ifdef DSPMBYTE
extern bool NoNLSRebind;
#endif /* DSPMBYTE */
Char *b = str->buf;
if (Iscntrl(*s)) {
*b++ = *s;
*b = '\0';
str->len = (int) (b - str->buf);
return str;
}
switch (*s) {
case '^':
s++;
#ifdef IS_ASCII
*b++ = (*s == '?') ? '\177' : ((*s & CHAR) & 0237);
#else
*b++ = (*s == '?') ? CTL_ESC('\177') : _toebcdic[_toascii[*s & CHAR] & 0237];
#endif
*b = '\0';
break;
case 'F':
case 'M':
case 'X':
case 'C':
#ifdef WINNT_NATIVE
case 'N':
#endif /* WINNT_NATIVE */
if (s[1] != '-' || s[2] == '\0') {
bad_spec(s);
return NULL;
}
s += 2;
switch (s[-2]) {
case 'F': case 'f': /* Turn into ^[str */
*b++ = CTL_ESC('\033');
while ((*b++ = *s++) != '\0')
continue;
b--;
break;
case 'C': case 'c': /* Turn into ^c */
#ifdef IS_ASCII
*b++ = (*s == '?') ? '\177' : ((*s & CHAR) & 0237);
#else
*b++ = (*s == '?') ? CTL_ESC('\177') : _toebcdic[_toascii[*s & CHAR] & 0237];
#endif
*b = '\0';
break;
case 'X' : case 'x': /* Turn into ^Xc */
#ifdef IS_ASCII
*b++ = 'X' & 0237;
#else
*b++ = _toebcdic[_toascii['X'] & 0237];
#endif
*b++ = *s;
*b = '\0';
break;
case 'M' : case 'm': /* Turn into 0x80|c */
#ifdef DSPMBYTE
if (!NoNLSRebind) {
*b++ = CTL_ESC('\033');
*b++ = *s;
} else {
#endif /* DSPMBYTE */
#ifdef IS_ASCII
*b++ = *s | 0x80;
#else
*b++ = _toebcdic[_toascii[*s] | 0x80];
#endif
#ifdef DSPMBYTE
}
#endif /* DSPMBYTE */
*b = '\0';
break;
#ifdef WINNT_NATIVE
case 'N' : case 'n': /* NT */
{
Char bnt;
bnt = nt_translate_bindkey(s);
if (bnt != 0)
*b++ = bnt;
else
bad_spec(s);
}
break;
#endif /* WINNT_NATIVE */
default:
abort();
/*NOTREACHED*/
return NULL;
}
break;
default:
bad_spec(s);
return NULL;
}
str->len = (int) (b - str->buf);
return str;
}
static CStr *
parsestring(str, buf)
Char *str;
CStr *buf;
{
Char *b;
const Char *p;
int es;
b = buf->buf;
if (*str == 0) {
xprintf(CGETS(20, 5, "Null string specification\n"));
return NULL;
}
for (p = str; *p != 0; p++) {
if ((*p & CHAR) == '\\' || (*p & CHAR) == '^') {
if ((es = parseescape(&p)) == -1)
return 0;
else
*b++ = (Char) es;
}
else
*b++ = *p & CHAR;
}
*b = 0;
buf->len = (int) (b - buf->buf);
return buf;
}
static void
print_all_keys()
{
int prev, i;
CStr nilstr;
nilstr.buf = NULL;
nilstr.len = 0;
xprintf(CGETS(20, 6, "Standard key bindings\n"));
prev = 0;
for (i = 0; i < 256; i++) {
if (CcKeyMap[prev] == CcKeyMap[i])
continue;
printkeys(CcKeyMap, prev, i - 1);
prev = i;
}
printkeys(CcKeyMap, prev, i - 1);
xprintf(CGETS(20, 7, "Alternative key bindings\n"));
prev = 0;
for (i = 0; i < 256; i++) {
if (CcAltMap[prev] == CcAltMap[i])
continue;
printkeys(CcAltMap, prev, i - 1);
prev = i;
}
printkeys(CcAltMap, prev, i - 1);
xprintf(CGETS(20, 8, "Multi-character bindings\n"));
PrintXkey(NULL); /* print all Xkey bindings */
xprintf(CGETS(20, 9, "Arrow key bindings\n"));
PrintArrowKeys(&nilstr);
}
static void
printkeys(map, first, last)
KEYCMD *map;
int first, last;
{
register struct KeyFuncs *fp;
Char firstbuf[2], lastbuf[2];
CStr fb, lb;
unsigned char unparsbuf[10], extrabuf[10];
fb.buf = firstbuf;
lb.buf = lastbuf;
firstbuf[0] = (Char) first;
firstbuf[1] = 0;
lastbuf[0] = (Char) last;
lastbuf[1] = 0;
fb.len = 1;
lb.len = 1;
if (map[first] == F_UNASSIGNED) {
if (first == last)
xprintf(CGETS(20, 10, "%-15s-> is undefined\n"),
unparsestring(&fb, unparsbuf, STRQQ));
return;
}
for (fp = FuncNames; fp->name; fp++) {
if (fp->func == map[first]) {
if (first == last) {
xprintf("%-15s-> %s\n",
unparsestring(&fb, unparsbuf, STRQQ), fp->name);
}
else {
xprintf("%-4s to %-7s-> %s\n",
unparsestring(&fb, unparsbuf, STRQQ),
unparsestring(&lb, extrabuf, STRQQ), fp->name);
}
return;
}
}
if (map == CcKeyMap) {
xprintf(CGETS(20, 11, "BUG!!! %s isn't bound to anything.\n"),
unparsestring(&fb, unparsbuf, STRQQ));
xprintf("CcKeyMap[%d] == %d\n", first, CcKeyMap[first]);
}
else {
xprintf(CGETS(20, 11, "BUG!!! %s isn't bound to anything.\n"),
unparsestring(&fb, unparsbuf, STRQQ));
xprintf("CcAltMap[%d] == %d\n", first, CcAltMap[first]);
}
}
static void
bindkey_usage()
{
xprintf(CGETS(20, 12,
"Usage: bindkey [options] [--] [KEY [COMMAND]]\n"));
xprintf(CGETS(20, 13,
" -a list or bind KEY in alternative key map\n"));
xprintf(CGETS(20, 14,
" -b interpret KEY as a C-, M-, F- or X- key name\n"));
xprintf(CGETS(20, 15,
" -s interpret COMMAND as a literal string to be output\n"));
xprintf(CGETS(20, 16,
" -c interpret COMMAND as a builtin or external command\n"));
xprintf(CGETS(20, 17,
" -v bind all keys to vi bindings\n"));
xprintf(CGETS(20, 18,
" -e bind all keys to emacs bindings\n"));
xprintf(CGETS(20, 19,
" -d bind all keys to default editor's bindings\n"));
xprintf(CGETS(20, 20,
" -l list editor commands with descriptions\n"));
xprintf(CGETS(20, 21,
" -r remove KEY's binding\n"));
xprintf(CGETS(20, 22,
" -k interpret KEY as a symbolic arrow-key name\n"));
xprintf(CGETS(20, 23,
" -- force a break from option processing\n"));
xprintf(CGETS(20, 24,
" -u (or any invalid option) this message\n"));
xprintf("\n");
xprintf(CGETS(20, 25,
"Without KEY or COMMAND, prints all bindings\n"));
xprintf(CGETS(20, 26,
"Without COMMAND, prints the binding for KEY.\n"));
}
static void
list_functions()
{
register struct KeyFuncs *fp;
for (fp = FuncNames; fp->name; fp++) {
xprintf("%s\n %s\n", fp->name, fp->desc);
}
}
#ifdef OBSOLETE
/*
* Unfortunately the apollo optimizer does not like & operations
* with 0377, and produces illegal instructions. So we make it
* an unsigned char, and hope for the best.
* Of-course the compiler is smart enough to produce bad assembly
* language instructions, but dumb when it comes to fold the constant :-)
*/
#ifdef apollo
static unsigned char APOLLO_0377 = 0377;
#else /* sane */
# define APOLLO_0377 0377
#endif /* apollo */
static int
tocontrol(c)
int c;
{
c &= CHAR;
if (Islower(c))
c = Toupper(c);
else if (c == ' ')
c = '@';
if (c == '?')
c = CTL_ESC('\177');
else
#ifdef IS_ASCII
c &= 037;
#else
/* EBCDIC: simulate ASCII-behavior by transforming to ASCII and back */
c = _toebcdic[_toascii[c] & 037];
#endif
return (c);
}
static char *
unparsekey(c) /* 'c' -> "c", '^C' -> "^" + "C" */
register int c;
{
register char *cp;
static char tmp[10];
cp = tmp;
if (c & 0400) {
*cp++ = 'A';
*cp++ = '-';
c &= APOLLO_0377;
}
if ((c & META) && !(Isprint(c) || (Iscntrl(c) && Isprint(c | 0100)))) {
*cp++ = 'M';
*cp++ = '-';
c &= ASCII;
}
if (Isprint(c)) {
*cp++ = (char) c;
*cp = '\0';
return (tmp);
}
switch (c) {
case ' ':
(void) strcpy(cp, "Spc");
return (tmp);
case '\n':
(void) strcpy(cp, "Lfd");
return (tmp);
case '\r':
(void) strcpy(cp, "Ret");
return (tmp);
case '\t':
(void) strcpy(cp, "Tab");
return (tmp);
#ifdef IS_ASCII
case '\033':
(void) strcpy(cp, "Esc");
return (tmp);
case '\177':
(void) strcpy(cp, "Del");
return (tmp);
default:
*cp++ = '^';
if (c == '\177') {
*cp++ = '?';
}
else {
*cp++ = c | 0100;
}
*cp = '\0';
return (tmp);
#else /* IS_ASCII */
default:
if (*cp == CTL_ESC('\033')) {
(void) strcpy(cp, "Esc");
return (tmp);
}
else if (*cp == CTL_ESC('\177')) {
(void) strcpy(cp, "Del");
return (tmp);
}
else if (Isupper(_toebcdic[_toascii[c]|0100])
|| strchr("@[\\]^_", _toebcdic[_toascii[c]|0100]) != NULL) {
*cp++ = '^';
*cp++ = _toebcdic[_toascii[c]|0100]
}
else {
xsnprintf(cp, 3, "\\%3.3o", c);
cp += 4;
}
#endif /* IS_ASCII */
}
}
static KEYCMD
getkeycmd(sp)
Char **sp;
{
register Char *s = *sp;
register char c;
register KEYCMD keycmd = F_UNASSIGNED;
KEYCMD *map;
int meta = 0;
Char *ret_sp = s;
map = CcKeyMap;
while (*s) {
if (*s == '^' && s[1]) {
s++;
c = tocontrol(*s++);
}
else
c = *s++;
if (*s == '\0')
break;
switch (map[c | meta]) {
case F_METANEXT:
meta = META;
keycmd = F_METANEXT;
ret_sp = s;
break;
case F_XKEY:
keycmd = F_XKEY;
ret_sp = s;
/* FALLTHROUGH */
default:
*sp = ret_sp;
return (keycmd);
}
}
*sp = ret_sp;
return (keycmd);
}
static int
parsekey(sp)
Char **sp; /* Return position of first unparsed character
* for return value -2 (xkeynext) */
{
register int c, meta = 0, control = 0, ctrlx = 0;
Char *s = *sp;
KEYCMD keycmd;
if (s == NULL) {
xprintf(CGETS(20, 27, "bad key specification -- null string\n"));
return -1;
}
if (*s == 0) {
xprintf(CGETS(20, 28, "bad key specification -- empty string\n"));
return -1;
}
(void) strip(s); /* trim to 7 bits. */
if (s[1] == 0) /* single char */
return (s[0] & APOLLO_0377);
if ((s[0] == 'F' || s[0] == 'f') && s[1] == '-') {
if (s[2] == 0) {
xprintf(CGETS(20, 29,
"Bad function-key specification. Null key not allowed\n"));
return (-1);
}
*sp = s + 2;
return (-2);
}
if (s[0] == '0' && s[1] == 'x') { /* if 0xn, then assume number */
c = 0;
for (s += 2; *s; s++) { /* convert to hex; skip the first 0 */
c *= 16;
if (!Isxdigit(*s)) {
xprintf(CGETS(20, 30,
"bad key specification -- malformed hex number\n"));
return -1; /* error */
}
if (Isdigit(*s))
c += *s - '0';
else if (*s >= 'a' && *s <= 'f')
c += *s - 'a' + 0xA;
else if (*s >= 'F' && *s <= 'F')
c += *s - 'A' + 0xA;
}
}
else if (s[0] == '0' && Isdigit(s[1])) { /* if 0n, then assume number */
c = 0;
for (s++; *s; s++) { /* convert to octal; skip the first 0 */
if (!Isdigit(*s) || *s == '8' || *s == '9') {
xprintf(CGETS(20, 31,
"bad key specification -- malformed octal number\n"));
return -1; /* error */
}
c = (c * 8) + *s - '0';
}
}
else if (Isdigit(s[0]) && Isdigit(s[1])) { /* decimal number */
c = 0;
for (; *s; s++) { /* convert to octal; skip the first 0 */
if (!Isdigit(*s)) {
xprintf(CGETS(20, 32,
"bad key specification -- malformed decimal number\n"));
return -1; /* error */
}
c = (c * 10) + *s - '0';
}
}
else {
keycmd = getkeycmd(&s);
if ((s[0] == 'X' || s[0] == 'x') && s[1] == '-') { /* X- */
ctrlx++;
s += 2;
keycmd = getkeycmd(&s);
}
if ((*s == 'm' || *s == 'M') && s[1] == '-') { /* meta */
meta++;
s += 2;
keycmd = getkeycmd(&s);
}
else if (keycmd == F_METANEXT && *s) { /* meta */
meta++;
keycmd = getkeycmd(&s);
}
if (*s == '^' && s[1]) {
control++;
s++;
keycmd = getkeycmd(&s);
}
else if ((*s == 'c' || *s == 'C') && s[1] == '-') { /* control */
control++;
s += 2;
keycmd = getkeycmd(&s);
}
if (keycmd == F_XKEY) {
if (*s == 0) {
xprintf(CGETS(20, 33,
"Bad function-key specification.\n"));
xprintf(CGETS(20, 34, "Null key not allowed\n"));
return (-1);
}
*sp = s;
return (-2);
}
if (s[1] != 0) { /* if symbolic name */
char *ts;
ts = short2str(s);
if (!strcmp(ts, "space") || !strcmp(ts, "Spc"))
c = ' ';
else if (!strcmp(ts, "return") || !strcmp(ts, "Ret"))
c = '\r';
else if (!strcmp(ts, "newline") || !strcmp(ts, "Lfd"))
c = '\n';
else if (!strcmp(ts, "linefeed"))
c = '\n';
else if (!strcmp(ts, "tab"))
c = '\t';
else if (!strcmp(ts, "escape") || !strcmp(ts, "Esc"))
c = CTL_ESC('\033');
else if (!strcmp(ts, "backspace"))
c = '\b';
else if (!strcmp(ts, "delete"))
c = CTL_ESC('\177');
else {
xprintf(CGETS(20, 35,
"bad key specification -- unknown name \"%S\"\n"), s);
return -1; /* error */
}
}
else
c = *s; /* just a single char */
if (control)
c = tocontrol(c);
if (meta)
c |= META;
if (ctrlx)
c |= 0400;
}
return (c & 0777);
}
/*ARGSUSED*/
void
dobind(v, dummy)
register Char **v;
struct command *dummy;
{
register int c;
register struct KeyFuncs *fp;
register int i, prev;
Char *p, *l;
CStr cstr;
Char buf[1000];
USE(dummy);
/*
* Assume at this point that i'm given 2 or 3 args - 'bind', the f-name,
* and the key; or 'bind' key to print the func for that key.
*/
if (!MapsAreInited)
ed_InitMaps();
if (v[1] && v[2] && v[3]) {
xprintf(CGETS(20, 36,
"usage: bind [KEY | COMMAND KEY | \"emacs\" | \"vi\" | \"-a\"]\n"));
return;
}
if (v[1] && v[2]) { /* if bind FUNCTION KEY */
for (fp = FuncNames; fp->name; fp++) {
if (strcmp(short2str(v[1]), fp->name) == 0) {
Char *s = v[2];
if ((c = parsekey(&s)) == -1)
return;
if (c == -2) { /* extended key */
for (i = 0; i < 256; i++) {
if (i != CTL_ESC('\033') && (CcKeyMap[i] == F_XKEY ||
CcAltMap[i] == F_XKEY)) {
p = buf;
#ifdef IS_ASCII
if (i > 0177) {
*p++ = 033;
*p++ = i & ASCII;
}
else {
*p++ = (Char) i;
}
#else
*p++ = (Char) i;
#endif
for (l = s; *l != 0; l++) {
*p++ = *l;
}
*p = 0;
cstr.buf = buf;
cstr.len = Strlen(buf);
AddXkey(&cstr, XmapCmd(fp->func), XK_CMD);
}
}
return;
}
if (c & 0400) {
if (VImode) {
CcAltMap[c & APOLLO_0377] = fp->func;
/* bind the vi cmd mode key */
if (c & META) {
buf[0] = CTL_ESC('\033');
buf[1] = c & ASCII;
buf[2] = 0;
cstr.buf = buf;
cstr.len = Strlen(buf);
AddXkey(&cstr, XmapCmd(fp->func), XK_CMD);
}
}
else {
buf[0] = CTL_ESC('\030'); /* ^X */
buf[1] = c & APOLLO_0377;
buf[2] = 0;
cstr.buf = buf;
cstr.len = Strlen(buf);
AddXkey(&cstr, XmapCmd(fp->func), XK_CMD);
CcKeyMap[CTL_ESC('\030')] = F_XKEY;
}
}
else {
CcKeyMap[c] = fp->func; /* bind the key */
if (c & META) {
buf[0] = CTL_ESC('\033');
buf[1] = c & ASCII;
buf[2] = 0;
cstr.buf = buf;
cstr.len = Strlen(buf);
AddXkey(&cstr, XmapCmd(fp->func), XK_CMD);
}
}
return;
}
}
stderror(ERR_NAME | ERR_STRING, CGETS(20, 37, "Invalid function"));
}
else if (v[1]) {
char *cv = short2str(v[1]);
if (strcmp(cv, "list") == 0) {
for (fp = FuncNames; fp->name; fp++) {
xprintf("%s\n", fp->name);
}
return;
}
if ((strcmp(cv, "emacs") == 0) ||
#ifndef VIDEFAULT
(strcmp(cv, "defaults") == 0) ||
(strcmp(cv, "default") == 0) ||
#endif
(strcmp(cv, "mg") == 0) ||
(strcmp(cv, "gnumacs") == 0)) {
/* reset keys to default */
ed_InitEmacsMaps();
#ifdef VIDEFAULT
}
else if ((strcmp(cv, "vi") == 0)
|| (strcmp(cv, "default") == 0)
|| (strcmp(cv, "defaults") == 0)) {
#else
}
else if (strcmp(cv, "vi") == 0) {
#endif
ed_InitVIMaps();
}
else { /* want to know what this key does */
Char *s = v[1];
if ((c = parsekey(&s)) == -1)
return;
if (c == -2) { /* extended key */
cstr.buf = s;
cstr.len = Strlen(s);
PrintXkey(&cstr);
return;
}
pkeys(c, c); /* must be regular key */
}
}
else { /* list all the bindings */
prev = 0;
for (i = 0; i < 256; i++) {
if (CcKeyMap[prev] == CcKeyMap[i])
continue;
pkeys(prev, i - 1);
prev = i;
}
pkeys(prev, i - 1);
prev = 0;
for (i = 256; i < 512; i++) {
if (CcAltMap[prev & APOLLO_0377] == CcAltMap[i & APOLLO_0377])
continue;
pkeys(prev, i - 1);
prev = i;
}
pkeys(prev, i - 1);
cstr.buf = NULL;
cstr.len = 0;
PrintXkey(&cstr); /* print all Xkey bindings */
}
return;
}
static void
pkeys(first, last)
register int first, last;
{
register struct KeyFuncs *fp;
register KEYCMD *map;
int mask;
char buf[8];
if (last & 0400) {
map = CcAltMap;
first &= APOLLO_0377;
last &= APOLLO_0377;
mask = 0400;
}
else {
map = CcKeyMap;
mask = 0;
}
if (map[first] == F_UNASSIGNED) {
if (first == last)
xprintf(CGETS(20, 38, " %s\t\tis undefined\n"),
unparsekey(first | mask));
return;
}
for (fp = FuncNames; fp->name; fp++) {
if (fp->func == map[first]) {
if (first == last)
xprintf(" %s\t\t%s\n",
unparsekey((first & APOLLO_0377) | mask), fp->name);
else {
(void) strcpy(buf, unparsekey((first & APOLLO_0377) | mask));
xprintf(" %s..%s\t\t%s\n", buf,
unparsekey((last & APOLLO_0377) | mask), fp->name);
}
return;
}
}
if (map == CcKeyMap) {
xprintf(CGETS(20, 11, "BUG!!! %s isn't bound to anything.\n"),
unparsekey(first));
xprintf("CcKeyMap[%d] == %d\n", first, CcKeyMap[first]);
}
else {
xprintf(CGETS(20, 11, "BUG!!! %s isn't bound to anything.\n"),
unparsekey(first & 0400));
xprintf("CcAltMap[%d] == %d\n", first, CcAltMap[first]);
}
}
#endif /* OBSOLETE */
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