Commit | Line | Data |
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2c6f1a39 | 1 | /* Manipulation of keymaps |
f0148b5e | 2 | Copyright (C) 1985, 86, 87, 88, 93, 94 Free Software Foundation, Inc. |
2c6f1a39 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
502ddf23 | 8 | the Free Software Foundation; either version 2, or (at your option) |
2c6f1a39 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | ||
18160b98 | 21 | #include <config.h> |
2c6f1a39 JB |
22 | #include <stdio.h> |
23 | #undef NULL | |
24 | #include "lisp.h" | |
25 | #include "commands.h" | |
26 | #include "buffer.h" | |
6bbbd9b0 | 27 | #include "keyboard.h" |
6ba6e250 | 28 | #include "termhooks.h" |
9ac0d9e0 | 29 | #include "blockinput.h" |
2c6f1a39 JB |
30 | |
31 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
32 | ||
f5b79c1c | 33 | /* The number of elements in keymap vectors. */ |
2c6f1a39 JB |
34 | #define DENSE_TABLE_SIZE (0200) |
35 | ||
36 | /* Actually allocate storage for these variables */ | |
37 | ||
38 | Lisp_Object current_global_map; /* Current global keymap */ | |
39 | ||
40 | Lisp_Object global_map; /* default global key bindings */ | |
41 | ||
42 | Lisp_Object meta_map; /* The keymap used for globally bound | |
43 | ESC-prefixed default commands */ | |
44 | ||
45 | Lisp_Object control_x_map; /* The keymap used for globally bound | |
46 | C-x-prefixed default commands */ | |
47 | ||
48 | /* was MinibufLocalMap */ | |
49 | Lisp_Object Vminibuffer_local_map; | |
50 | /* The keymap used by the minibuf for local | |
51 | bindings when spaces are allowed in the | |
52 | minibuf */ | |
53 | ||
54 | /* was MinibufLocalNSMap */ | |
55 | Lisp_Object Vminibuffer_local_ns_map; | |
56 | /* The keymap used by the minibuf for local | |
57 | bindings when spaces are not encouraged | |
58 | in the minibuf */ | |
59 | ||
60 | /* keymap used for minibuffers when doing completion */ | |
61 | /* was MinibufLocalCompletionMap */ | |
62 | Lisp_Object Vminibuffer_local_completion_map; | |
63 | ||
64 | /* keymap used for minibuffers when doing completion and require a match */ | |
65 | /* was MinibufLocalMustMatchMap */ | |
66 | Lisp_Object Vminibuffer_local_must_match_map; | |
67 | ||
cc0a8174 JB |
68 | /* Alist of minor mode variables and keymaps. */ |
69 | Lisp_Object Vminor_mode_map_alist; | |
70 | ||
6bbbd9b0 JB |
71 | /* Keymap mapping ASCII function key sequences onto their preferred forms. |
72 | Initialized by the terminal-specific lisp files. See DEFVAR for more | |
73 | documentation. */ | |
74 | Lisp_Object Vfunction_key_map; | |
75 | ||
2fc66973 | 76 | Lisp_Object Qkeymapp, Qkeymap, Qnon_ascii; |
2c6f1a39 | 77 | |
3d248688 JB |
78 | /* A char with the CHAR_META bit set in a vector or the 0200 bit set |
79 | in a string key sequence is equivalent to prefixing with this | |
80 | character. */ | |
2c6f1a39 JB |
81 | extern Lisp_Object meta_prefix_char; |
82 | ||
7d92e329 RS |
83 | extern Lisp_Object Voverriding_local_map; |
84 | ||
2c6f1a39 | 85 | void describe_map_tree (); |
c07aec97 | 86 | static Lisp_Object define_as_prefix (); |
2c6f1a39 JB |
87 | static Lisp_Object describe_buffer_bindings (); |
88 | static void describe_command (); | |
89 | static void describe_map (); | |
2c6f1a39 | 90 | \f |
cc0a8174 JB |
91 | /* Keymap object support - constructors and predicates. */ |
92 | ||
ce6e5d0b | 93 | DEFUN ("make-keymap", Fmake_keymap, Smake_keymap, 0, 1, 0, |
2c6f1a39 | 94 | "Construct and return a new keymap, of the form (keymap VECTOR . ALIST).\n\ |
926a64aa | 95 | VECTOR is a vector which holds the bindings for the ASCII\n\ |
2c6f1a39 JB |
96 | characters. ALIST is an assoc-list which holds bindings for function keys,\n\ |
97 | mouse events, and any other things that appear in the input stream.\n\ | |
ce6e5d0b RS |
98 | All entries in it are initially nil, meaning \"command undefined\".\n\n\ |
99 | The optional arg STRING supplies a menu name for the keymap\n\ | |
100 | in case you use it as a menu with `x-popup-menu'.") | |
101 | (string) | |
102 | Lisp_Object string; | |
2c6f1a39 | 103 | { |
ce6e5d0b RS |
104 | Lisp_Object tail; |
105 | if (!NILP (string)) | |
106 | tail = Fcons (string, Qnil); | |
107 | else | |
108 | tail = Qnil; | |
2c6f1a39 JB |
109 | return Fcons (Qkeymap, |
110 | Fcons (Fmake_vector (make_number (DENSE_TABLE_SIZE), Qnil), | |
ce6e5d0b | 111 | tail)); |
2c6f1a39 JB |
112 | } |
113 | ||
ce6e5d0b | 114 | DEFUN ("make-sparse-keymap", Fmake_sparse_keymap, Smake_sparse_keymap, 0, 1, 0, |
2c6f1a39 JB |
115 | "Construct and return a new sparse-keymap list.\n\ |
116 | Its car is `keymap' and its cdr is an alist of (CHAR . DEFINITION),\n\ | |
117 | which binds the character CHAR to DEFINITION, or (SYMBOL . DEFINITION),\n\ | |
118 | which binds the function key or mouse event SYMBOL to DEFINITION.\n\ | |
ce6e5d0b RS |
119 | Initially the alist is nil.\n\n\ |
120 | The optional arg STRING supplies a menu name for the keymap\n\ | |
121 | in case you use it as a menu with `x-popup-menu'.") | |
122 | (string) | |
123 | Lisp_Object string; | |
2c6f1a39 | 124 | { |
ce6e5d0b RS |
125 | if (!NILP (string)) |
126 | return Fcons (Qkeymap, Fcons (string, Qnil)); | |
2c6f1a39 JB |
127 | return Fcons (Qkeymap, Qnil); |
128 | } | |
129 | ||
130 | /* This function is used for installing the standard key bindings | |
131 | at initialization time. | |
132 | ||
133 | For example: | |
134 | ||
e25c4e44 | 135 | initial_define_key (control_x_map, Ctl('X'), "exchange-point-and-mark"); */ |
2c6f1a39 JB |
136 | |
137 | void | |
138 | initial_define_key (keymap, key, defname) | |
139 | Lisp_Object keymap; | |
140 | int key; | |
141 | char *defname; | |
142 | { | |
143 | store_in_keymap (keymap, make_number (key), intern (defname)); | |
144 | } | |
145 | ||
e25c4e44 JB |
146 | void |
147 | initial_define_lispy_key (keymap, keyname, defname) | |
148 | Lisp_Object keymap; | |
149 | char *keyname; | |
150 | char *defname; | |
151 | { | |
152 | store_in_keymap (keymap, intern (keyname), intern (defname)); | |
153 | } | |
154 | ||
2c6f1a39 JB |
155 | /* Define character fromchar in map frommap as an alias for character |
156 | tochar in map tomap. Subsequent redefinitions of the latter WILL | |
157 | affect the former. */ | |
158 | ||
159 | #if 0 | |
160 | void | |
161 | synkey (frommap, fromchar, tomap, tochar) | |
162 | struct Lisp_Vector *frommap, *tomap; | |
163 | int fromchar, tochar; | |
164 | { | |
165 | Lisp_Object v, c; | |
bff4ec1f | 166 | XSETVECTOR (v, tomap); |
6e344130 | 167 | XSETFASTINT (c, tochar); |
2c6f1a39 JB |
168 | frommap->contents[fromchar] = Fcons (v, c); |
169 | } | |
170 | #endif /* 0 */ | |
171 | ||
172 | DEFUN ("keymapp", Fkeymapp, Skeymapp, 1, 1, 0, | |
173 | "Return t if ARG is a keymap.\n\ | |
1d8d96fa | 174 | \n\ |
926a64aa | 175 | A keymap is a list (keymap . ALIST),\n\ |
90f80bcf | 176 | or a symbol whose function definition is itself a keymap.\n\ |
1d8d96fa | 177 | ALIST elements look like (CHAR . DEFN) or (SYMBOL . DEFN);\n\ |
926a64aa RS |
178 | a vector of densely packed bindings for small character codes\n\ |
179 | is also allowed as an element.") | |
2c6f1a39 JB |
180 | (object) |
181 | Lisp_Object object; | |
182 | { | |
d09b2024 | 183 | return (NILP (get_keymap_1 (object, 0, 0)) ? Qnil : Qt); |
2c6f1a39 JB |
184 | } |
185 | ||
186 | /* Check that OBJECT is a keymap (after dereferencing through any | |
d09b2024 JB |
187 | symbols). If it is, return it. |
188 | ||
189 | If AUTOLOAD is non-zero and OBJECT is a symbol whose function value | |
190 | is an autoload form, do the autoload and try again. | |
21a0d7a0 | 191 | If AUTOLOAD is nonzero, callers must assume GC is possible. |
d09b2024 JB |
192 | |
193 | ERROR controls how we respond if OBJECT isn't a keymap. | |
194 | If ERROR is non-zero, signal an error; otherwise, just return Qnil. | |
195 | ||
196 | Note that most of the time, we don't want to pursue autoloads. | |
197 | Functions like Faccessible_keymaps which scan entire keymap trees | |
198 | shouldn't load every autoloaded keymap. I'm not sure about this, | |
199 | but it seems to me that only read_key_sequence, Flookup_key, and | |
200 | Fdefine_key should cause keymaps to be autoloaded. */ | |
201 | ||
2c6f1a39 | 202 | Lisp_Object |
d09b2024 | 203 | get_keymap_1 (object, error, autoload) |
2c6f1a39 | 204 | Lisp_Object object; |
d09b2024 | 205 | int error, autoload; |
2c6f1a39 | 206 | { |
d09b2024 | 207 | Lisp_Object tem; |
2c6f1a39 | 208 | |
d09b2024 | 209 | autoload_retry: |
502ddf23 | 210 | tem = indirect_function (object); |
2c6f1a39 JB |
211 | if (CONSP (tem) && EQ (XCONS (tem)->car, Qkeymap)) |
212 | return tem; | |
f5b79c1c | 213 | |
8e4dfd54 JB |
214 | /* Should we do an autoload? Autoload forms for keymaps have |
215 | Qkeymap as their fifth element. */ | |
d09b2024 | 216 | if (autoload |
47684cd9 | 217 | && SYMBOLP (object) |
d09b2024 JB |
218 | && CONSP (tem) |
219 | && EQ (XCONS (tem)->car, Qautoload)) | |
220 | { | |
8e4dfd54 | 221 | Lisp_Object tail; |
d09b2024 | 222 | |
8e4dfd54 JB |
223 | tail = Fnth (make_number (4), tem); |
224 | if (EQ (tail, Qkeymap)) | |
225 | { | |
226 | struct gcpro gcpro1, gcpro2; | |
d09b2024 | 227 | |
81fa9e2f RS |
228 | GCPRO2 (tem, object); |
229 | do_autoload (tem, object); | |
8e4dfd54 JB |
230 | UNGCPRO; |
231 | ||
232 | goto autoload_retry; | |
233 | } | |
d09b2024 JB |
234 | } |
235 | ||
2c6f1a39 JB |
236 | if (error) |
237 | wrong_type_argument (Qkeymapp, object); | |
cc0a8174 JB |
238 | else |
239 | return Qnil; | |
2c6f1a39 JB |
240 | } |
241 | ||
d09b2024 JB |
242 | |
243 | /* Follow any symbol chaining, and return the keymap denoted by OBJECT. | |
244 | If OBJECT doesn't denote a keymap at all, signal an error. */ | |
2c6f1a39 JB |
245 | Lisp_Object |
246 | get_keymap (object) | |
247 | Lisp_Object object; | |
248 | { | |
224a16e8 | 249 | return get_keymap_1 (object, 1, 0); |
2c6f1a39 JB |
250 | } |
251 | ||
252 | ||
2c6f1a39 | 253 | /* Look up IDX in MAP. IDX may be any sort of event. |
f5b79c1c | 254 | Note that this does only one level of lookup; IDX must be a single |
e25c4e44 JB |
255 | event, not a sequence. |
256 | ||
257 | If T_OK is non-zero, bindings for Qt are treated as default | |
258 | bindings; any key left unmentioned by other tables and bindings is | |
259 | given the binding of Qt. | |
260 | ||
c07aec97 RS |
261 | If T_OK is zero, bindings for Qt are not treated specially. |
262 | ||
263 | If NOINHERIT, don't accept a subkeymap found in an inherited keymap. */ | |
2c6f1a39 JB |
264 | |
265 | Lisp_Object | |
c07aec97 | 266 | access_keymap (map, idx, t_ok, noinherit) |
2c6f1a39 JB |
267 | Lisp_Object map; |
268 | Lisp_Object idx; | |
e25c4e44 | 269 | int t_ok; |
c07aec97 | 270 | int noinherit; |
2c6f1a39 | 271 | { |
c07aec97 RS |
272 | int noprefix = 0; |
273 | Lisp_Object val; | |
274 | ||
2c6f1a39 JB |
275 | /* If idx is a list (some sort of mouse click, perhaps?), |
276 | the index we want to use is the car of the list, which | |
277 | ought to be a symbol. */ | |
cebd887d | 278 | idx = EVENT_HEAD (idx); |
2c6f1a39 | 279 | |
f5b79c1c JB |
280 | /* If idx is a symbol, it might have modifiers, which need to |
281 | be put in the canonical order. */ | |
47684cd9 | 282 | if (SYMBOLP (idx)) |
f5b79c1c | 283 | idx = reorder_modifiers (idx); |
2732bdbb RS |
284 | else if (INTEGERP (idx)) |
285 | /* Clobber the high bits that can be present on a machine | |
286 | with more than 24 bits of integer. */ | |
6e344130 | 287 | XSETFASTINT (idx, XINT (idx) & (CHAR_META | (CHAR_META - 1))); |
2c6f1a39 | 288 | |
f5b79c1c JB |
289 | { |
290 | Lisp_Object tail; | |
e9b6dfb0 | 291 | Lisp_Object t_binding; |
2c6f1a39 | 292 | |
e9b6dfb0 | 293 | t_binding = Qnil; |
f5b79c1c | 294 | for (tail = map; CONSP (tail); tail = XCONS (tail)->cdr) |
2c6f1a39 | 295 | { |
e9b6dfb0 | 296 | Lisp_Object binding; |
f5b79c1c | 297 | |
e9b6dfb0 | 298 | binding = XCONS (tail)->car; |
783a2838 | 299 | if (SYMBOLP (binding)) |
f5b79c1c | 300 | { |
c07aec97 RS |
301 | /* If NOINHERIT, stop finding prefix definitions |
302 | after we pass a second occurrence of the `keymap' symbol. */ | |
303 | if (noinherit && EQ (binding, Qkeymap) && ! EQ (tail, map)) | |
304 | noprefix = 1; | |
783a2838 KH |
305 | } |
306 | else if (CONSP (binding)) | |
307 | { | |
f5b79c1c | 308 | if (EQ (XCONS (binding)->car, idx)) |
c07aec97 RS |
309 | { |
310 | val = XCONS (binding)->cdr; | |
311 | if (noprefix && CONSP (val) && EQ (XCONS (val)->car, Qkeymap)) | |
312 | return Qnil; | |
313 | return val; | |
314 | } | |
e25c4e44 JB |
315 | if (t_ok && EQ (XCONS (binding)->car, Qt)) |
316 | t_binding = XCONS (binding)->cdr; | |
783a2838 KH |
317 | } |
318 | else if (VECTORP (binding)) | |
319 | { | |
be3bfff1 | 320 | if (NATNUMP (idx) && XFASTINT (idx) < XVECTOR (binding)->size) |
c07aec97 | 321 | { |
783a2838 | 322 | val = XVECTOR (binding)->contents[XFASTINT (idx)]; |
c07aec97 RS |
323 | if (noprefix && CONSP (val) && EQ (XCONS (val)->car, Qkeymap)) |
324 | return Qnil; | |
325 | return val; | |
326 | } | |
f5b79c1c | 327 | } |
20218e2f JB |
328 | |
329 | QUIT; | |
2c6f1a39 | 330 | } |
fde3a52f | 331 | |
e25c4e44 JB |
332 | return t_binding; |
333 | } | |
2c6f1a39 JB |
334 | } |
335 | ||
336 | /* Given OBJECT which was found in a slot in a keymap, | |
337 | trace indirect definitions to get the actual definition of that slot. | |
338 | An indirect definition is a list of the form | |
339 | (KEYMAP . INDEX), where KEYMAP is a keymap or a symbol defined as one | |
340 | and INDEX is the object to look up in KEYMAP to yield the definition. | |
341 | ||
342 | Also if OBJECT has a menu string as the first element, | |
224a16e8 RS |
343 | remove that. Also remove a menu help string as second element. |
344 | ||
345 | If AUTOLOAD is nonzero, load autoloadable keymaps | |
346 | that are referred to with indirection. */ | |
2c6f1a39 JB |
347 | |
348 | Lisp_Object | |
224a16e8 | 349 | get_keyelt (object, autoload) |
2c6f1a39 | 350 | register Lisp_Object object; |
224a16e8 | 351 | int autoload; |
2c6f1a39 JB |
352 | { |
353 | while (1) | |
354 | { | |
355 | register Lisp_Object map, tem; | |
356 | ||
fde3a52f | 357 | /* If the contents are (KEYMAP . ELEMENT), go indirect. */ |
224a16e8 | 358 | map = get_keymap_1 (Fcar_safe (object), 0, autoload); |
2c6f1a39 | 359 | tem = Fkeymapp (map); |
265a9e55 | 360 | if (!NILP (tem)) |
c07aec97 | 361 | object = access_keymap (map, Fcdr (object), 0, 0); |
2c6f1a39 JB |
362 | |
363 | /* If the keymap contents looks like (STRING . DEFN), | |
364 | use DEFN. | |
365 | Keymap alist elements like (CHAR MENUSTRING . DEFN) | |
366 | will be used by HierarKey menus. */ | |
47684cd9 RS |
367 | else if (CONSP (object) |
368 | && STRINGP (XCONS (object)->car)) | |
1a8c3f10 RS |
369 | { |
370 | object = XCONS (object)->cdr; | |
371 | /* Also remove a menu help string, if any, | |
372 | following the menu item name. */ | |
416349ec | 373 | if (CONSP (object) && STRINGP (XCONS (object)->car)) |
1a8c3f10 | 374 | object = XCONS (object)->cdr; |
c6ec9f6e RS |
375 | /* Also remove the sublist that caches key equivalences, if any. */ |
376 | if (CONSP (object) | |
377 | && CONSP (XCONS (object)->car)) | |
ffab2bd6 | 378 | { |
c6ec9f6e RS |
379 | Lisp_Object carcar; |
380 | carcar = XCONS (XCONS (object)->car)->car; | |
381 | if (NILP (carcar) || VECTORP (carcar)) | |
ffab2bd6 RS |
382 | object = XCONS (object)->cdr; |
383 | } | |
1a8c3f10 | 384 | } |
2c6f1a39 JB |
385 | |
386 | else | |
387 | /* Anything else is really the value. */ | |
388 | return object; | |
389 | } | |
390 | } | |
391 | ||
392 | Lisp_Object | |
393 | store_in_keymap (keymap, idx, def) | |
394 | Lisp_Object keymap; | |
395 | register Lisp_Object idx; | |
396 | register Lisp_Object def; | |
397 | { | |
416349ec | 398 | if (!CONSP (keymap) || ! EQ (XCONS (keymap)->car, Qkeymap)) |
f5b79c1c JB |
399 | error ("attempt to define a key in a non-keymap"); |
400 | ||
2c6f1a39 JB |
401 | /* If idx is a list (some sort of mouse click, perhaps?), |
402 | the index we want to use is the car of the list, which | |
403 | ought to be a symbol. */ | |
cebd887d | 404 | idx = EVENT_HEAD (idx); |
2c6f1a39 | 405 | |
f5b79c1c JB |
406 | /* If idx is a symbol, it might have modifiers, which need to |
407 | be put in the canonical order. */ | |
416349ec | 408 | if (SYMBOLP (idx)) |
f5b79c1c | 409 | idx = reorder_modifiers (idx); |
2732bdbb RS |
410 | else if (INTEGERP (idx)) |
411 | /* Clobber the high bits that can be present on a machine | |
412 | with more than 24 bits of integer. */ | |
6e344130 | 413 | XSETFASTINT (idx, XINT (idx) & (CHAR_META | (CHAR_META - 1))); |
f5b79c1c JB |
414 | |
415 | /* Scan the keymap for a binding of idx. */ | |
2c6f1a39 | 416 | { |
f5b79c1c | 417 | Lisp_Object tail; |
2c6f1a39 | 418 | |
f5b79c1c JB |
419 | /* The cons after which we should insert new bindings. If the |
420 | keymap has a table element, we record its position here, so new | |
421 | bindings will go after it; this way, the table will stay | |
422 | towards the front of the alist and character lookups in dense | |
423 | keymaps will remain fast. Otherwise, this just points at the | |
424 | front of the keymap. */ | |
e9b6dfb0 | 425 | Lisp_Object insertion_point; |
2c6f1a39 | 426 | |
e9b6dfb0 | 427 | insertion_point = keymap; |
f5b79c1c | 428 | for (tail = XCONS (keymap)->cdr; CONSP (tail); tail = XCONS (tail)->cdr) |
2c6f1a39 | 429 | { |
e9b6dfb0 | 430 | Lisp_Object elt; |
f5b79c1c | 431 | |
e9b6dfb0 | 432 | elt = XCONS (tail)->car; |
783a2838 | 433 | if (VECTORP (elt)) |
f5b79c1c | 434 | { |
be3bfff1 | 435 | if (NATNUMP (idx) && XFASTINT (idx) < XVECTOR (elt)->size) |
f5b79c1c JB |
436 | { |
437 | XVECTOR (elt)->contents[XFASTINT (idx)] = def; | |
438 | return def; | |
439 | } | |
440 | insertion_point = tail; | |
783a2838 KH |
441 | } |
442 | else if (CONSP (elt)) | |
443 | { | |
f5b79c1c JB |
444 | if (EQ (idx, XCONS (elt)->car)) |
445 | { | |
446 | XCONS (elt)->cdr = def; | |
447 | return def; | |
448 | } | |
783a2838 KH |
449 | } |
450 | else if (SYMBOLP (elt)) | |
451 | { | |
f5b79c1c JB |
452 | /* If we find a 'keymap' symbol in the spine of KEYMAP, |
453 | then we must have found the start of a second keymap | |
454 | being used as the tail of KEYMAP, and a binding for IDX | |
455 | should be inserted before it. */ | |
456 | if (EQ (elt, Qkeymap)) | |
457 | goto keymap_end; | |
f5b79c1c | 458 | } |
0188441d JB |
459 | |
460 | QUIT; | |
2c6f1a39 | 461 | } |
2c6f1a39 | 462 | |
f5b79c1c JB |
463 | keymap_end: |
464 | /* We have scanned the entire keymap, and not found a binding for | |
465 | IDX. Let's add one. */ | |
466 | XCONS (insertion_point)->cdr = | |
467 | Fcons (Fcons (idx, def), XCONS (insertion_point)->cdr); | |
468 | } | |
469 | ||
2c6f1a39 JB |
470 | return def; |
471 | } | |
472 | ||
f5b79c1c | 473 | |
2c6f1a39 JB |
474 | DEFUN ("copy-keymap", Fcopy_keymap, Scopy_keymap, 1, 1, 0, |
475 | "Return a copy of the keymap KEYMAP.\n\ | |
476 | The copy starts out with the same definitions of KEYMAP,\n\ | |
477 | but changing either the copy or KEYMAP does not affect the other.\n\ | |
1d8d96fa JB |
478 | Any key definitions that are subkeymaps are recursively copied.\n\ |
479 | However, a key definition which is a symbol whose definition is a keymap\n\ | |
480 | is not copied.") | |
2c6f1a39 JB |
481 | (keymap) |
482 | Lisp_Object keymap; | |
483 | { | |
484 | register Lisp_Object copy, tail; | |
485 | ||
486 | copy = Fcopy_alist (get_keymap (keymap)); | |
2c6f1a39 | 487 | |
f5b79c1c | 488 | for (tail = copy; CONSP (tail); tail = XCONS (tail)->cdr) |
2c6f1a39 | 489 | { |
e9b6dfb0 | 490 | Lisp_Object elt; |
2c6f1a39 | 491 | |
e9b6dfb0 | 492 | elt = XCONS (tail)->car; |
416349ec | 493 | if (VECTORP (elt)) |
2c6f1a39 | 494 | { |
f5b79c1c | 495 | int i; |
2c6f1a39 | 496 | |
f5b79c1c JB |
497 | elt = Fcopy_sequence (elt); |
498 | XCONS (tail)->car = elt; | |
2c6f1a39 | 499 | |
926a64aa | 500 | for (i = 0; i < XVECTOR (elt)->size; i++) |
416349ec | 501 | if (!SYMBOLP (XVECTOR (elt)->contents[i]) |
98006242 | 502 | && ! NILP (Fkeymapp (XVECTOR (elt)->contents[i]))) |
f5b79c1c JB |
503 | XVECTOR (elt)->contents[i] = |
504 | Fcopy_keymap (XVECTOR (elt)->contents[i]); | |
2c6f1a39 | 505 | } |
d65a13c5 KH |
506 | else if (CONSP (elt)) |
507 | { | |
508 | /* Skip the optional menu string. */ | |
509 | if (CONSP (XCONS (elt)->cdr) | |
510 | && STRINGP (XCONS (XCONS (elt)->cdr)->car)) | |
511 | { | |
512 | Lisp_Object tem; | |
513 | ||
514 | /* Copy the cell, since copy-alist didn't go this deep. */ | |
515 | XCONS (elt)->cdr = Fcons (XCONS (XCONS (elt)->cdr)->car, | |
516 | XCONS (XCONS (elt)->cdr)->cdr); | |
517 | elt = XCONS (elt)->cdr; | |
518 | ||
519 | /* Also skip the optional menu help string. */ | |
520 | if (CONSP (XCONS (elt)->cdr) | |
521 | && STRINGP (XCONS (XCONS (elt)->cdr)->car)) | |
522 | { | |
523 | XCONS (elt)->cdr = Fcons (XCONS (XCONS (elt)->cdr)->car, | |
524 | XCONS (XCONS (elt)->cdr)->cdr); | |
525 | elt = XCONS (elt)->cdr; | |
526 | } | |
527 | /* There may also be a list that caches key equivalences. | |
528 | Just delete it for the new keymap. */ | |
529 | if (CONSP (XCONS (elt)->cdr) | |
530 | && CONSP (XCONS (XCONS (elt)->cdr)->car) | |
531 | && (NILP (tem = XCONS (XCONS (XCONS (elt)->cdr)->car)->car) | |
532 | || VECTORP (tem))) | |
533 | XCONS (elt)->cdr = XCONS (XCONS (elt)->cdr)->cdr; | |
534 | } | |
535 | if (CONSP (elt) | |
536 | && ! SYMBOLP (XCONS (elt)->cdr) | |
537 | && ! NILP (Fkeymapp (XCONS (elt)->cdr))) | |
538 | XCONS (elt)->cdr = Fcopy_keymap (XCONS (elt)->cdr); | |
539 | } | |
2c6f1a39 JB |
540 | } |
541 | ||
542 | return copy; | |
543 | } | |
544 | \f | |
cc0a8174 JB |
545 | /* Simple Keymap mutators and accessors. */ |
546 | ||
21a0d7a0 RS |
547 | /* GC is possible in this function if it autoloads a keymap. */ |
548 | ||
2c6f1a39 JB |
549 | DEFUN ("define-key", Fdefine_key, Sdefine_key, 3, 3, 0, |
550 | "Args KEYMAP, KEY, DEF. Define key sequence KEY, in KEYMAP, as DEF.\n\ | |
551 | KEYMAP is a keymap. KEY is a string or a vector of symbols and characters\n\ | |
552 | meaning a sequence of keystrokes and events.\n\ | |
c818754b RS |
553 | Non-ASCII characters with codes above 127 (such as ISO Latin-1)\n\ |
554 | can be included if you use a vector.\n\ | |
2c6f1a39 JB |
555 | DEF is anything that can be a key's definition:\n\ |
556 | nil (means key is undefined in this keymap),\n\ | |
557 | a command (a Lisp function suitable for interactive calling)\n\ | |
558 | a string (treated as a keyboard macro),\n\ | |
559 | a keymap (to define a prefix key),\n\ | |
560 | a symbol. When the key is looked up, the symbol will stand for its\n\ | |
561 | function definition, which should at that time be one of the above,\n\ | |
562 | or another symbol whose function definition is used, etc.\n\ | |
563 | a cons (STRING . DEFN), meaning that DEFN is the definition\n\ | |
564 | (DEFN should be a valid definition in its own right),\n\ | |
6e8290aa JB |
565 | or a cons (KEYMAP . CHAR), meaning use definition of CHAR in map KEYMAP.\n\ |
566 | \n\ | |
567 | If KEYMAP is a sparse keymap, the pair binding KEY to DEF is added at\n\ | |
568 | the front of KEYMAP.") | |
2c6f1a39 | 569 | (keymap, key, def) |
d09b2024 | 570 | Lisp_Object keymap; |
2c6f1a39 JB |
571 | Lisp_Object key; |
572 | Lisp_Object def; | |
573 | { | |
574 | register int idx; | |
575 | register Lisp_Object c; | |
576 | register Lisp_Object tem; | |
577 | register Lisp_Object cmd; | |
578 | int metized = 0; | |
6ba6e250 | 579 | int meta_bit; |
2c6f1a39 | 580 | int length; |
d09b2024 | 581 | struct gcpro gcpro1, gcpro2, gcpro3; |
2c6f1a39 | 582 | |
224a16e8 | 583 | keymap = get_keymap_1 (keymap, 1, 1); |
2c6f1a39 | 584 | |
416349ec | 585 | if (!VECTORP (key) && !STRINGP (key)) |
2c6f1a39 JB |
586 | key = wrong_type_argument (Qarrayp, key); |
587 | ||
d09b2024 | 588 | length = XFASTINT (Flength (key)); |
2c6f1a39 JB |
589 | if (length == 0) |
590 | return Qnil; | |
591 | ||
d09b2024 JB |
592 | GCPRO3 (keymap, key, def); |
593 | ||
416349ec | 594 | if (VECTORP (key)) |
6ba6e250 RS |
595 | meta_bit = meta_modifier; |
596 | else | |
597 | meta_bit = 0x80; | |
598 | ||
2c6f1a39 JB |
599 | idx = 0; |
600 | while (1) | |
601 | { | |
602 | c = Faref (key, make_number (idx)); | |
603 | ||
416349ec | 604 | if (INTEGERP (c) |
6ba6e250 | 605 | && (XINT (c) & meta_bit) |
2c6f1a39 JB |
606 | && !metized) |
607 | { | |
608 | c = meta_prefix_char; | |
609 | metized = 1; | |
610 | } | |
611 | else | |
612 | { | |
416349ec | 613 | if (INTEGERP (c)) |
0b8fc2d4 | 614 | XSETINT (c, XINT (c) & ~meta_bit); |
2c6f1a39 JB |
615 | |
616 | metized = 0; | |
617 | idx++; | |
618 | } | |
619 | ||
5907b863 | 620 | if (! INTEGERP (c) && ! SYMBOLP (c) && ! CONSP (c)) |
4b04c52e | 621 | error ("Key sequence contains invalid events"); |
5907b863 | 622 | |
2c6f1a39 | 623 | if (idx == length) |
d09b2024 | 624 | RETURN_UNGCPRO (store_in_keymap (keymap, c, def)); |
2c6f1a39 | 625 | |
224a16e8 | 626 | cmd = get_keyelt (access_keymap (keymap, c, 0, 1), 1); |
2c6f1a39 | 627 | |
c07aec97 | 628 | /* If this key is undefined, make it a prefix. */ |
265a9e55 | 629 | if (NILP (cmd)) |
c07aec97 | 630 | cmd = define_as_prefix (keymap, c); |
2c6f1a39 | 631 | |
d09b2024 JB |
632 | keymap = get_keymap_1 (cmd, 0, 1); |
633 | if (NILP (keymap)) | |
e9b6dfb0 KH |
634 | /* We must use Fkey_description rather than just passing key to |
635 | error; key might be a vector, not a string. */ | |
636 | error ("Key sequence %s uses invalid prefix characters", | |
637 | XSTRING (Fkey_description (key))->data); | |
2c6f1a39 JB |
638 | } |
639 | } | |
640 | ||
641 | /* Value is number if KEY is too long; NIL if valid but has no definition. */ | |
21a0d7a0 | 642 | /* GC is possible in this function if it autoloads a keymap. */ |
2c6f1a39 | 643 | |
7c140252 | 644 | DEFUN ("lookup-key", Flookup_key, Slookup_key, 2, 3, 0, |
2c6f1a39 JB |
645 | "In keymap KEYMAP, look up key sequence KEY. Return the definition.\n\ |
646 | nil means undefined. See doc of `define-key' for kinds of definitions.\n\ | |
7c140252 | 647 | \n\ |
2c6f1a39 JB |
648 | A number as value means KEY is \"too long\";\n\ |
649 | that is, characters or symbols in it except for the last one\n\ | |
650 | fail to be a valid sequence of prefix characters in KEYMAP.\n\ | |
651 | The number is how many characters at the front of KEY\n\ | |
7c140252 JB |
652 | it takes to reach a non-prefix command.\n\ |
653 | \n\ | |
654 | Normally, `lookup-key' ignores bindings for t, which act as default\n\ | |
655 | bindings, used when nothing else in the keymap applies; this makes it\n\ | |
656 | useable as a general function for probing keymaps. However, if the\n\ | |
657 | third optional argument ACCEPT-DEFAULT is non-nil, `lookup-key' will\n\ | |
658 | recognize the default bindings, just as `read-key-sequence' does.") | |
659 | (keymap, key, accept_default) | |
2c6f1a39 JB |
660 | register Lisp_Object keymap; |
661 | Lisp_Object key; | |
7c140252 | 662 | Lisp_Object accept_default; |
2c6f1a39 JB |
663 | { |
664 | register int idx; | |
665 | register Lisp_Object tem; | |
666 | register Lisp_Object cmd; | |
667 | register Lisp_Object c; | |
668 | int metized = 0; | |
669 | int length; | |
7c140252 | 670 | int t_ok = ! NILP (accept_default); |
6ba6e250 | 671 | int meta_bit; |
21a0d7a0 | 672 | struct gcpro gcpro1; |
2c6f1a39 | 673 | |
224a16e8 | 674 | keymap = get_keymap_1 (keymap, 1, 1); |
2c6f1a39 | 675 | |
416349ec | 676 | if (!VECTORP (key) && !STRINGP (key)) |
2c6f1a39 JB |
677 | key = wrong_type_argument (Qarrayp, key); |
678 | ||
d09b2024 | 679 | length = XFASTINT (Flength (key)); |
2c6f1a39 JB |
680 | if (length == 0) |
681 | return keymap; | |
682 | ||
416349ec | 683 | if (VECTORP (key)) |
6ba6e250 RS |
684 | meta_bit = meta_modifier; |
685 | else | |
686 | meta_bit = 0x80; | |
687 | ||
21a0d7a0 RS |
688 | GCPRO1 (key); |
689 | ||
2c6f1a39 JB |
690 | idx = 0; |
691 | while (1) | |
692 | { | |
693 | c = Faref (key, make_number (idx)); | |
694 | ||
416349ec | 695 | if (INTEGERP (c) |
6ba6e250 | 696 | && (XINT (c) & meta_bit) |
2c6f1a39 JB |
697 | && !metized) |
698 | { | |
699 | c = meta_prefix_char; | |
700 | metized = 1; | |
701 | } | |
702 | else | |
703 | { | |
416349ec | 704 | if (INTEGERP (c)) |
6ba6e250 | 705 | XSETINT (c, XINT (c) & ~meta_bit); |
2c6f1a39 JB |
706 | |
707 | metized = 0; | |
708 | idx++; | |
709 | } | |
710 | ||
224a16e8 | 711 | cmd = get_keyelt (access_keymap (keymap, c, t_ok, 0), 1); |
2c6f1a39 | 712 | if (idx == length) |
21a0d7a0 | 713 | RETURN_UNGCPRO (cmd); |
2c6f1a39 | 714 | |
224a16e8 | 715 | keymap = get_keymap_1 (cmd, 0, 1); |
d09b2024 | 716 | if (NILP (keymap)) |
21a0d7a0 | 717 | RETURN_UNGCPRO (make_number (idx)); |
2c6f1a39 | 718 | |
2c6f1a39 JB |
719 | QUIT; |
720 | } | |
721 | } | |
722 | ||
c07aec97 RS |
723 | /* Make KEYMAP define event C as a keymap (i.e., as a prefix). |
724 | Assume that currently it does not define C at all. | |
725 | Return the keymap. */ | |
726 | ||
727 | static Lisp_Object | |
728 | define_as_prefix (keymap, c) | |
729 | Lisp_Object keymap, c; | |
730 | { | |
731 | Lisp_Object inherit, cmd; | |
732 | ||
733 | cmd = Fmake_sparse_keymap (Qnil); | |
734 | /* If this key is defined as a prefix in an inherited keymap, | |
735 | make it a prefix in this map, and make its definition | |
736 | inherit the other prefix definition. */ | |
737 | inherit = access_keymap (keymap, c, 0, 0); | |
738 | if (NILP (inherit)) | |
739 | { | |
740 | /* If there's an inherited keymap | |
741 | and it doesn't define this key, | |
742 | make it define this key. */ | |
743 | Lisp_Object tail; | |
744 | ||
745 | for (tail = Fcdr (keymap); CONSP (tail); tail = XCONS (tail)->cdr) | |
746 | if (EQ (XCONS (tail)->car, Qkeymap)) | |
747 | break; | |
748 | ||
749 | if (!NILP (tail)) | |
750 | inherit = define_as_prefix (tail, c); | |
751 | } | |
752 | ||
753 | cmd = nconc2 (cmd, inherit); | |
754 | store_in_keymap (keymap, c, cmd); | |
755 | ||
756 | return cmd; | |
757 | } | |
758 | ||
0b8fc2d4 RS |
759 | /* Append a key to the end of a key sequence. We always make a vector. */ |
760 | ||
2c6f1a39 JB |
761 | Lisp_Object |
762 | append_key (key_sequence, key) | |
763 | Lisp_Object key_sequence, key; | |
764 | { | |
765 | Lisp_Object args[2]; | |
766 | ||
767 | args[0] = key_sequence; | |
768 | ||
0b8fc2d4 RS |
769 | args[1] = Fcons (key, Qnil); |
770 | return Fvconcat (2, args); | |
2c6f1a39 JB |
771 | } |
772 | ||
773 | \f | |
cc0a8174 JB |
774 | /* Global, local, and minor mode keymap stuff. */ |
775 | ||
265a9e55 | 776 | /* We can't put these variables inside current_minor_maps, since under |
6bbbd9b0 JB |
777 | some systems, static gets macro-defined to be the empty string. |
778 | Ickypoo. */ | |
265a9e55 JB |
779 | static Lisp_Object *cmm_modes, *cmm_maps; |
780 | static int cmm_size; | |
781 | ||
cc0a8174 JB |
782 | /* Store a pointer to an array of the keymaps of the currently active |
783 | minor modes in *buf, and return the number of maps it contains. | |
784 | ||
785 | This function always returns a pointer to the same buffer, and may | |
786 | free or reallocate it, so if you want to keep it for a long time or | |
787 | hand it out to lisp code, copy it. This procedure will be called | |
788 | for every key sequence read, so the nice lispy approach (return a | |
789 | new assoclist, list, what have you) for each invocation would | |
790 | result in a lot of consing over time. | |
791 | ||
792 | If we used xrealloc/xmalloc and ran out of memory, they would throw | |
793 | back to the command loop, which would try to read a key sequence, | |
794 | which would call this function again, resulting in an infinite | |
795 | loop. Instead, we'll use realloc/malloc and silently truncate the | |
796 | list, let the key sequence be read, and hope some other piece of | |
797 | code signals the error. */ | |
798 | int | |
799 | current_minor_maps (modeptr, mapptr) | |
800 | Lisp_Object **modeptr, **mapptr; | |
801 | { | |
cc0a8174 | 802 | int i = 0; |
6bbbd9b0 | 803 | Lisp_Object alist, assoc, var, val; |
cc0a8174 JB |
804 | |
805 | for (alist = Vminor_mode_map_alist; | |
806 | CONSP (alist); | |
807 | alist = XCONS (alist)->cdr) | |
9f56ecfc KH |
808 | if ((assoc = XCONS (alist)->car, CONSP (assoc)) |
809 | && (var = XCONS (assoc)->car, SYMBOLP (var)) | |
810 | && (val = find_symbol_value (var), ! EQ (val, Qunbound)) | |
6bbbd9b0 | 811 | && ! NILP (val)) |
cc0a8174 | 812 | { |
265a9e55 | 813 | if (i >= cmm_size) |
cc0a8174 JB |
814 | { |
815 | Lisp_Object *newmodes, *newmaps; | |
816 | ||
265a9e55 | 817 | if (cmm_maps) |
cc0a8174 | 818 | { |
9ac0d9e0 | 819 | BLOCK_INPUT; |
e58077c8 | 820 | cmm_size *= 2; |
64116ad5 RS |
821 | newmodes |
822 | = (Lisp_Object *) realloc (cmm_modes, | |
823 | cmm_size * sizeof (Lisp_Object)); | |
824 | newmaps | |
825 | = (Lisp_Object *) realloc (cmm_maps, | |
826 | cmm_size * sizeof (Lisp_Object)); | |
9ac0d9e0 | 827 | UNBLOCK_INPUT; |
cc0a8174 JB |
828 | } |
829 | else | |
830 | { | |
9ac0d9e0 | 831 | BLOCK_INPUT; |
e58077c8 | 832 | cmm_size = 30; |
64116ad5 RS |
833 | newmodes |
834 | = (Lisp_Object *) malloc (cmm_size * sizeof (Lisp_Object)); | |
835 | newmaps | |
836 | = (Lisp_Object *) malloc (cmm_size * sizeof (Lisp_Object)); | |
9ac0d9e0 | 837 | UNBLOCK_INPUT; |
cc0a8174 JB |
838 | } |
839 | ||
840 | if (newmaps && newmodes) | |
841 | { | |
265a9e55 JB |
842 | cmm_modes = newmodes; |
843 | cmm_maps = newmaps; | |
cc0a8174 JB |
844 | } |
845 | else | |
846 | break; | |
847 | } | |
265a9e55 | 848 | cmm_modes[i] = var; |
992984b2 | 849 | cmm_maps [i] = Findirect_function (XCONS (assoc)->cdr); |
cc0a8174 JB |
850 | i++; |
851 | } | |
852 | ||
265a9e55 JB |
853 | if (modeptr) *modeptr = cmm_modes; |
854 | if (mapptr) *mapptr = cmm_maps; | |
cc0a8174 JB |
855 | return i; |
856 | } | |
857 | ||
21a0d7a0 RS |
858 | /* GC is possible in this function if it autoloads a keymap. */ |
859 | ||
7c140252 | 860 | DEFUN ("key-binding", Fkey_binding, Skey_binding, 1, 2, 0, |
2c6f1a39 | 861 | "Return the binding for command KEY in current keymaps.\n\ |
7c140252 JB |
862 | KEY is a string or vector, a sequence of keystrokes.\n\ |
863 | The binding is probably a symbol with a function definition.\n\ | |
864 | \n\ | |
865 | Normally, `key-binding' ignores bindings for t, which act as default\n\ | |
866 | bindings, used when nothing else in the keymap applies; this makes it\n\ | |
d831234b RS |
867 | usable as a general function for probing keymaps. However, if the\n\ |
868 | optional second argument ACCEPT-DEFAULT is non-nil, `key-binding' does\n\ | |
7c140252 JB |
869 | recognize the default bindings, just as `read-key-sequence' does.") |
870 | (key, accept_default) | |
c2a2858a | 871 | Lisp_Object key, accept_default; |
2c6f1a39 | 872 | { |
cc0a8174 JB |
873 | Lisp_Object *maps, value; |
874 | int nmaps, i; | |
21a0d7a0 RS |
875 | struct gcpro gcpro1; |
876 | ||
877 | GCPRO1 (key); | |
cc0a8174 | 878 | |
7d92e329 | 879 | if (!NILP (Voverriding_local_map)) |
2c6f1a39 | 880 | { |
7d92e329 | 881 | value = Flookup_key (Voverriding_local_map, key, accept_default); |
416349ec | 882 | if (! NILP (value) && !INTEGERP (value)) |
21a0d7a0 | 883 | RETURN_UNGCPRO (value); |
2c6f1a39 | 884 | } |
7d92e329 RS |
885 | else |
886 | { | |
887 | nmaps = current_minor_maps (0, &maps); | |
21a0d7a0 RS |
888 | /* Note that all these maps are GCPRO'd |
889 | in the places where we found them. */ | |
890 | ||
7d92e329 RS |
891 | for (i = 0; i < nmaps; i++) |
892 | if (! NILP (maps[i])) | |
893 | { | |
894 | value = Flookup_key (maps[i], key, accept_default); | |
416349ec | 895 | if (! NILP (value) && !INTEGERP (value)) |
21a0d7a0 | 896 | RETURN_UNGCPRO (value); |
7d92e329 RS |
897 | } |
898 | ||
899 | if (! NILP (current_buffer->keymap)) | |
900 | { | |
901 | value = Flookup_key (current_buffer->keymap, key, accept_default); | |
416349ec | 902 | if (! NILP (value) && !INTEGERP (value)) |
21a0d7a0 | 903 | RETURN_UNGCPRO (value); |
7d92e329 RS |
904 | } |
905 | } | |
cc0a8174 | 906 | |
7c140252 | 907 | value = Flookup_key (current_global_map, key, accept_default); |
21a0d7a0 | 908 | UNGCPRO; |
416349ec | 909 | if (! NILP (value) && !INTEGERP (value)) |
cc0a8174 JB |
910 | return value; |
911 | ||
912 | return Qnil; | |
2c6f1a39 JB |
913 | } |
914 | ||
21a0d7a0 RS |
915 | /* GC is possible in this function if it autoloads a keymap. */ |
916 | ||
7c140252 | 917 | DEFUN ("local-key-binding", Flocal_key_binding, Slocal_key_binding, 1, 2, 0, |
2c6f1a39 JB |
918 | "Return the binding for command KEYS in current local keymap only.\n\ |
919 | KEYS is a string, a sequence of keystrokes.\n\ | |
7c140252 JB |
920 | The binding is probably a symbol with a function definition.\n\ |
921 | \n\ | |
922 | If optional argument ACCEPT-DEFAULT is non-nil, recognize default\n\ | |
923 | bindings; see the description of `lookup-key' for more details about this.") | |
924 | (keys, accept_default) | |
925 | Lisp_Object keys, accept_default; | |
2c6f1a39 JB |
926 | { |
927 | register Lisp_Object map; | |
928 | map = current_buffer->keymap; | |
265a9e55 | 929 | if (NILP (map)) |
2c6f1a39 | 930 | return Qnil; |
7c140252 | 931 | return Flookup_key (map, keys, accept_default); |
2c6f1a39 JB |
932 | } |
933 | ||
21a0d7a0 RS |
934 | /* GC is possible in this function if it autoloads a keymap. */ |
935 | ||
7c140252 | 936 | DEFUN ("global-key-binding", Fglobal_key_binding, Sglobal_key_binding, 1, 2, 0, |
2c6f1a39 JB |
937 | "Return the binding for command KEYS in current global keymap only.\n\ |
938 | KEYS is a string, a sequence of keystrokes.\n\ | |
6bbbd9b0 JB |
939 | The binding is probably a symbol with a function definition.\n\ |
940 | This function's return values are the same as those of lookup-key\n\ | |
21a0d7a0 | 941 | \(which see).\n\ |
7c140252 JB |
942 | \n\ |
943 | If optional argument ACCEPT-DEFAULT is non-nil, recognize default\n\ | |
944 | bindings; see the description of `lookup-key' for more details about this.") | |
945 | (keys, accept_default) | |
946 | Lisp_Object keys, accept_default; | |
2c6f1a39 | 947 | { |
7c140252 | 948 | return Flookup_key (current_global_map, keys, accept_default); |
2c6f1a39 JB |
949 | } |
950 | ||
21a0d7a0 RS |
951 | /* GC is possible in this function if it autoloads a keymap. */ |
952 | ||
7c140252 | 953 | DEFUN ("minor-mode-key-binding", Fminor_mode_key_binding, Sminor_mode_key_binding, 1, 2, 0, |
cc0a8174 JB |
954 | "Find the visible minor mode bindings of KEY.\n\ |
955 | Return an alist of pairs (MODENAME . BINDING), where MODENAME is the\n\ | |
956 | the symbol which names the minor mode binding KEY, and BINDING is\n\ | |
957 | KEY's definition in that mode. In particular, if KEY has no\n\ | |
958 | minor-mode bindings, return nil. If the first binding is a\n\ | |
959 | non-prefix, all subsequent bindings will be omitted, since they would\n\ | |
960 | be ignored. Similarly, the list doesn't include non-prefix bindings\n\ | |
7c140252 JB |
961 | that come after prefix bindings.\n\ |
962 | \n\ | |
963 | If optional argument ACCEPT-DEFAULT is non-nil, recognize default\n\ | |
964 | bindings; see the description of `lookup-key' for more details about this.") | |
965 | (key, accept_default) | |
966 | Lisp_Object key, accept_default; | |
cc0a8174 JB |
967 | { |
968 | Lisp_Object *modes, *maps; | |
969 | int nmaps; | |
970 | Lisp_Object binding; | |
971 | int i, j; | |
21a0d7a0 | 972 | struct gcpro gcpro1, gcpro2; |
cc0a8174 JB |
973 | |
974 | nmaps = current_minor_maps (&modes, &maps); | |
21a0d7a0 RS |
975 | /* Note that all these maps are GCPRO'd |
976 | in the places where we found them. */ | |
977 | ||
978 | binding = Qnil; | |
979 | GCPRO2 (key, binding); | |
cc0a8174 JB |
980 | |
981 | for (i = j = 0; i < nmaps; i++) | |
265a9e55 | 982 | if (! NILP (maps[i]) |
7c140252 | 983 | && ! NILP (binding = Flookup_key (maps[i], key, accept_default)) |
416349ec | 984 | && !INTEGERP (binding)) |
cc0a8174 | 985 | { |
d09b2024 | 986 | if (! NILP (get_keymap (binding))) |
cc0a8174 JB |
987 | maps[j++] = Fcons (modes[i], binding); |
988 | else if (j == 0) | |
21a0d7a0 | 989 | RETURN_UNGCPRO (Fcons (Fcons (modes[i], binding), Qnil)); |
cc0a8174 JB |
990 | } |
991 | ||
21a0d7a0 | 992 | UNGCPRO; |
cc0a8174 JB |
993 | return Flist (j, maps); |
994 | } | |
995 | ||
2c6f1a39 JB |
996 | DEFUN ("global-set-key", Fglobal_set_key, Sglobal_set_key, 2, 2, |
997 | "kSet key globally: \nCSet key %s to command: ", | |
998 | "Give KEY a global binding as COMMAND.\n\ | |
999 | COMMAND is a symbol naming an interactively-callable function.\n\ | |
2fa8c0b5 | 1000 | KEY is a key sequence (a string or vector of characters or event types).\n\ |
c818754b RS |
1001 | Non-ASCII characters with codes above 127 (such as ISO Latin-1)\n\ |
1002 | can be included if you use a vector.\n\ | |
2c6f1a39 JB |
1003 | Note that if KEY has a local binding in the current buffer\n\ |
1004 | that local binding will continue to shadow any global binding.") | |
1005 | (keys, function) | |
1006 | Lisp_Object keys, function; | |
1007 | { | |
416349ec | 1008 | if (!VECTORP (keys) && !STRINGP (keys)) |
2c6f1a39 JB |
1009 | keys = wrong_type_argument (Qarrayp, keys); |
1010 | ||
1011 | Fdefine_key (current_global_map, keys, function); | |
1012 | return Qnil; | |
1013 | } | |
1014 | ||
1015 | DEFUN ("local-set-key", Flocal_set_key, Slocal_set_key, 2, 2, | |
1016 | "kSet key locally: \nCSet key %s locally to command: ", | |
1017 | "Give KEY a local binding as COMMAND.\n\ | |
1018 | COMMAND is a symbol naming an interactively-callable function.\n\ | |
2fa8c0b5 | 1019 | KEY is a key sequence (a string or vector of characters or event types).\n\ |
c818754b RS |
1020 | Non-ASCII characters with codes above 127 (such as ISO Latin-1)\n\ |
1021 | can be included if you use a vector.\n\ | |
2c6f1a39 | 1022 | The binding goes in the current buffer's local map,\n\ |
af1d6f09 | 1023 | which in most cases is shared with all other buffers in the same major mode.") |
2c6f1a39 JB |
1024 | (keys, function) |
1025 | Lisp_Object keys, function; | |
1026 | { | |
1027 | register Lisp_Object map; | |
1028 | map = current_buffer->keymap; | |
265a9e55 | 1029 | if (NILP (map)) |
2c6f1a39 | 1030 | { |
ce6e5d0b | 1031 | map = Fmake_sparse_keymap (Qnil); |
2c6f1a39 JB |
1032 | current_buffer->keymap = map; |
1033 | } | |
1034 | ||
416349ec | 1035 | if (!VECTORP (keys) && !STRINGP (keys)) |
2c6f1a39 JB |
1036 | keys = wrong_type_argument (Qarrayp, keys); |
1037 | ||
1038 | Fdefine_key (map, keys, function); | |
1039 | return Qnil; | |
1040 | } | |
1041 | ||
1042 | DEFUN ("global-unset-key", Fglobal_unset_key, Sglobal_unset_key, | |
1043 | 1, 1, "kUnset key globally: ", | |
1044 | "Remove global binding of KEY.\n\ | |
1045 | KEY is a string representing a sequence of keystrokes.") | |
1046 | (keys) | |
1047 | Lisp_Object keys; | |
1048 | { | |
1049 | return Fglobal_set_key (keys, Qnil); | |
1050 | } | |
1051 | ||
1052 | DEFUN ("local-unset-key", Flocal_unset_key, Slocal_unset_key, 1, 1, | |
1053 | "kUnset key locally: ", | |
1054 | "Remove local binding of KEY.\n\ | |
1055 | KEY is a string representing a sequence of keystrokes.") | |
1056 | (keys) | |
1057 | Lisp_Object keys; | |
1058 | { | |
265a9e55 | 1059 | if (!NILP (current_buffer->keymap)) |
2c6f1a39 JB |
1060 | Flocal_set_key (keys, Qnil); |
1061 | return Qnil; | |
1062 | } | |
1063 | ||
1064 | DEFUN ("define-prefix-command", Fdefine_prefix_command, Sdefine_prefix_command, 1, 2, 0, | |
cd8520b9 | 1065 | "Define COMMAND as a prefix command. COMMAND should be a symbol.\n\ |
2c6f1a39 | 1066 | A new sparse keymap is stored as COMMAND's function definition and its value.\n\ |
1d8d96fa JB |
1067 | If a second optional argument MAPVAR is given, the map is stored as\n\ |
1068 | its value instead of as COMMAND's value; but COMMAND is still defined\n\ | |
1069 | as a function.") | |
2c6f1a39 JB |
1070 | (name, mapvar) |
1071 | Lisp_Object name, mapvar; | |
1072 | { | |
1073 | Lisp_Object map; | |
ce6e5d0b | 1074 | map = Fmake_sparse_keymap (Qnil); |
2c6f1a39 | 1075 | Ffset (name, map); |
265a9e55 | 1076 | if (!NILP (mapvar)) |
2c6f1a39 JB |
1077 | Fset (mapvar, map); |
1078 | else | |
1079 | Fset (name, map); | |
1080 | return name; | |
1081 | } | |
1082 | ||
1083 | DEFUN ("use-global-map", Fuse_global_map, Suse_global_map, 1, 1, 0, | |
1084 | "Select KEYMAP as the global keymap.") | |
1085 | (keymap) | |
1086 | Lisp_Object keymap; | |
1087 | { | |
1088 | keymap = get_keymap (keymap); | |
1089 | current_global_map = keymap; | |
6f27e7a2 RS |
1090 | record_asynch_buffer_change (); |
1091 | ||
2c6f1a39 JB |
1092 | return Qnil; |
1093 | } | |
1094 | ||
1095 | DEFUN ("use-local-map", Fuse_local_map, Suse_local_map, 1, 1, 0, | |
1096 | "Select KEYMAP as the local keymap.\n\ | |
1097 | If KEYMAP is nil, that means no local keymap.") | |
1098 | (keymap) | |
1099 | Lisp_Object keymap; | |
1100 | { | |
265a9e55 | 1101 | if (!NILP (keymap)) |
2c6f1a39 JB |
1102 | keymap = get_keymap (keymap); |
1103 | ||
1104 | current_buffer->keymap = keymap; | |
6f27e7a2 | 1105 | record_asynch_buffer_change (); |
2c6f1a39 JB |
1106 | |
1107 | return Qnil; | |
1108 | } | |
1109 | ||
1110 | DEFUN ("current-local-map", Fcurrent_local_map, Scurrent_local_map, 0, 0, 0, | |
1111 | "Return current buffer's local keymap, or nil if it has none.") | |
1112 | () | |
1113 | { | |
1114 | return current_buffer->keymap; | |
1115 | } | |
1116 | ||
1117 | DEFUN ("current-global-map", Fcurrent_global_map, Scurrent_global_map, 0, 0, 0, | |
1118 | "Return the current global keymap.") | |
1119 | () | |
1120 | { | |
1121 | return current_global_map; | |
1122 | } | |
cc0a8174 JB |
1123 | |
1124 | DEFUN ("current-minor-mode-maps", Fcurrent_minor_mode_maps, Scurrent_minor_mode_maps, 0, 0, 0, | |
1125 | "Return a list of keymaps for the minor modes of the current buffer.") | |
1126 | () | |
1127 | { | |
1128 | Lisp_Object *maps; | |
1129 | int nmaps = current_minor_maps (0, &maps); | |
1130 | ||
1131 | return Flist (nmaps, maps); | |
1132 | } | |
2c6f1a39 | 1133 | \f |
cc0a8174 JB |
1134 | /* Help functions for describing and documenting keymaps. */ |
1135 | ||
21a0d7a0 RS |
1136 | /* This function cannot GC. */ |
1137 | ||
2c6f1a39 | 1138 | DEFUN ("accessible-keymaps", Faccessible_keymaps, Saccessible_keymaps, |
53c8f9fa | 1139 | 1, 2, 0, |
2c6f1a39 JB |
1140 | "Find all keymaps accessible via prefix characters from KEYMAP.\n\ |
1141 | Returns a list of elements of the form (KEYS . MAP), where the sequence\n\ | |
1142 | KEYS starting from KEYMAP gets you to MAP. These elements are ordered\n\ | |
f66ef185 RS |
1143 | so that the KEYS increase in length. The first element is (\"\" . KEYMAP).\n\ |
1144 | An optional argument PREFIX, if non-nil, should be a key sequence;\n\ | |
1145 | then the value includes only maps for prefixes that start with PREFIX.") | |
53c8f9fa RS |
1146 | (startmap, prefix) |
1147 | Lisp_Object startmap, prefix; | |
2c6f1a39 | 1148 | { |
53c8f9fa RS |
1149 | Lisp_Object maps, good_maps, tail; |
1150 | int prefixlen = 0; | |
1151 | ||
21a0d7a0 RS |
1152 | /* no need for gcpro because we don't autoload any keymaps. */ |
1153 | ||
53c8f9fa RS |
1154 | if (!NILP (prefix)) |
1155 | prefixlen = XINT (Flength (prefix)); | |
2c6f1a39 | 1156 | |
44a4a59b RS |
1157 | if (!NILP (prefix)) |
1158 | { | |
1159 | /* If a prefix was specified, start with the keymap (if any) for | |
1160 | that prefix, so we don't waste time considering other prefixes. */ | |
1161 | Lisp_Object tem; | |
1162 | tem = Flookup_key (startmap, prefix, Qt); | |
1ae2097f RS |
1163 | /* Flookup_key may give us nil, or a number, |
1164 | if the prefix is not defined in this particular map. | |
1165 | It might even give us a list that isn't a keymap. */ | |
1166 | tem = get_keymap_1 (tem, 0, 0); | |
44a4a59b | 1167 | if (!NILP (tem)) |
1ae2097f | 1168 | maps = Fcons (Fcons (prefix, tem), Qnil); |
44a4a59b RS |
1169 | else |
1170 | return Qnil; | |
1171 | } | |
1172 | else | |
1173 | maps = Fcons (Fcons (Fmake_vector (make_number (0), Qnil), | |
1174 | get_keymap (startmap)), | |
1175 | Qnil); | |
2c6f1a39 JB |
1176 | |
1177 | /* For each map in the list maps, | |
1178 | look at any other maps it points to, | |
1179 | and stick them at the end if they are not already in the list. | |
1180 | ||
1181 | This is a breadth-first traversal, where tail is the queue of | |
1182 | nodes, and maps accumulates a list of all nodes visited. */ | |
1183 | ||
f5b79c1c | 1184 | for (tail = maps; CONSP (tail); tail = XCONS (tail)->cdr) |
2c6f1a39 | 1185 | { |
e9b6dfb0 KH |
1186 | register Lisp_Object thisseq, thismap; |
1187 | Lisp_Object last; | |
2c6f1a39 | 1188 | /* Does the current sequence end in the meta-prefix-char? */ |
e9b6dfb0 KH |
1189 | int is_metized; |
1190 | ||
1191 | thisseq = Fcar (Fcar (tail)); | |
1192 | thismap = Fcdr (Fcar (tail)); | |
1193 | last = make_number (XINT (Flength (thisseq)) - 1); | |
1194 | is_metized = (XINT (last) >= 0 | |
1195 | && EQ (Faref (thisseq, last), meta_prefix_char)); | |
2c6f1a39 | 1196 | |
f5b79c1c | 1197 | for (; CONSP (thismap); thismap = XCONS (thismap)->cdr) |
2c6f1a39 | 1198 | { |
e9b6dfb0 KH |
1199 | Lisp_Object elt; |
1200 | ||
1201 | elt = XCONS (thismap)->car; | |
2c6f1a39 | 1202 | |
f5b79c1c JB |
1203 | QUIT; |
1204 | ||
416349ec | 1205 | if (VECTORP (elt)) |
2c6f1a39 JB |
1206 | { |
1207 | register int i; | |
1208 | ||
1209 | /* Vector keymap. Scan all the elements. */ | |
db6f9d95 | 1210 | for (i = 0; i < XVECTOR (elt)->size; i++) |
2c6f1a39 JB |
1211 | { |
1212 | register Lisp_Object tem; | |
1213 | register Lisp_Object cmd; | |
1214 | ||
224a16e8 | 1215 | cmd = get_keyelt (XVECTOR (elt)->contents[i], 0); |
265a9e55 | 1216 | if (NILP (cmd)) continue; |
2c6f1a39 | 1217 | tem = Fkeymapp (cmd); |
265a9e55 | 1218 | if (!NILP (tem)) |
2c6f1a39 JB |
1219 | { |
1220 | cmd = get_keymap (cmd); | |
1221 | /* Ignore keymaps that are already added to maps. */ | |
1222 | tem = Frassq (cmd, maps); | |
265a9e55 | 1223 | if (NILP (tem)) |
2c6f1a39 JB |
1224 | { |
1225 | /* If the last key in thisseq is meta-prefix-char, | |
1226 | turn it into a meta-ized keystroke. We know | |
1227 | that the event we're about to append is an | |
f5b79c1c JB |
1228 | ascii keystroke since we're processing a |
1229 | keymap table. */ | |
2c6f1a39 JB |
1230 | if (is_metized) |
1231 | { | |
0b8fc2d4 | 1232 | int meta_bit = meta_modifier; |
2c6f1a39 | 1233 | tem = Fcopy_sequence (thisseq); |
0b8fc2d4 RS |
1234 | |
1235 | Faset (tem, last, make_number (i | meta_bit)); | |
2c6f1a39 JB |
1236 | |
1237 | /* This new sequence is the same length as | |
1238 | thisseq, so stick it in the list right | |
1239 | after this one. */ | |
0b8fc2d4 RS |
1240 | XCONS (tail)->cdr |
1241 | = Fcons (Fcons (tem, cmd), XCONS (tail)->cdr); | |
2c6f1a39 JB |
1242 | } |
1243 | else | |
1244 | { | |
1245 | tem = append_key (thisseq, make_number (i)); | |
1246 | nconc2 (tail, Fcons (Fcons (tem, cmd), Qnil)); | |
1247 | } | |
1248 | } | |
1249 | } | |
1250 | } | |
f5b79c1c JB |
1251 | } |
1252 | else if (CONSP (elt)) | |
2c6f1a39 | 1253 | { |
e9b6dfb0 | 1254 | register Lisp_Object cmd, tem, filter; |
2c6f1a39 | 1255 | |
224a16e8 | 1256 | cmd = get_keyelt (XCONS (elt)->cdr, 0); |
2c6f1a39 JB |
1257 | /* Ignore definitions that aren't keymaps themselves. */ |
1258 | tem = Fkeymapp (cmd); | |
265a9e55 | 1259 | if (!NILP (tem)) |
2c6f1a39 JB |
1260 | { |
1261 | /* Ignore keymaps that have been seen already. */ | |
1262 | cmd = get_keymap (cmd); | |
1263 | tem = Frassq (cmd, maps); | |
265a9e55 | 1264 | if (NILP (tem)) |
2c6f1a39 | 1265 | { |
53c8f9fa | 1266 | /* Let elt be the event defined by this map entry. */ |
2c6f1a39 JB |
1267 | elt = XCONS (elt)->car; |
1268 | ||
1269 | /* If the last key in thisseq is meta-prefix-char, and | |
1270 | this entry is a binding for an ascii keystroke, | |
1271 | turn it into a meta-ized keystroke. */ | |
416349ec | 1272 | if (is_metized && INTEGERP (elt)) |
2c6f1a39 JB |
1273 | { |
1274 | tem = Fcopy_sequence (thisseq); | |
0b8fc2d4 RS |
1275 | Faset (tem, last, |
1276 | make_number (XINT (elt) | meta_modifier)); | |
2c6f1a39 JB |
1277 | |
1278 | /* This new sequence is the same length as | |
1279 | thisseq, so stick it in the list right | |
1280 | after this one. */ | |
53c8f9fa RS |
1281 | XCONS (tail)->cdr |
1282 | = Fcons (Fcons (tem, cmd), XCONS (tail)->cdr); | |
2c6f1a39 JB |
1283 | } |
1284 | else | |
1285 | nconc2 (tail, | |
1286 | Fcons (Fcons (append_key (thisseq, elt), cmd), | |
1287 | Qnil)); | |
1288 | } | |
1289 | } | |
1290 | } | |
2c6f1a39 | 1291 | } |
2c6f1a39 JB |
1292 | } |
1293 | ||
53c8f9fa RS |
1294 | if (NILP (prefix)) |
1295 | return maps; | |
1296 | ||
1297 | /* Now find just the maps whose access prefixes start with PREFIX. */ | |
1298 | ||
1299 | good_maps = Qnil; | |
1300 | for (; CONSP (maps); maps = XCONS (maps)->cdr) | |
1301 | { | |
1302 | Lisp_Object elt, thisseq; | |
1303 | elt = XCONS (maps)->car; | |
1304 | thisseq = XCONS (elt)->car; | |
1305 | /* The access prefix must be at least as long as PREFIX, | |
1306 | and the first elements must match those of PREFIX. */ | |
1307 | if (XINT (Flength (thisseq)) >= prefixlen) | |
1308 | { | |
1309 | int i; | |
1310 | for (i = 0; i < prefixlen; i++) | |
1311 | { | |
1312 | Lisp_Object i1; | |
6e344130 | 1313 | XSETFASTINT (i1, i); |
53c8f9fa RS |
1314 | if (!EQ (Faref (thisseq, i1), Faref (prefix, i1))) |
1315 | break; | |
1316 | } | |
1317 | if (i == prefixlen) | |
1318 | good_maps = Fcons (elt, good_maps); | |
1319 | } | |
1320 | } | |
1321 | ||
1322 | return Fnreverse (good_maps); | |
2c6f1a39 JB |
1323 | } |
1324 | ||
1325 | Lisp_Object Qsingle_key_description, Qkey_description; | |
1326 | ||
21a0d7a0 RS |
1327 | /* This function cannot GC. */ |
1328 | ||
2c6f1a39 JB |
1329 | DEFUN ("key-description", Fkey_description, Skey_description, 1, 1, 0, |
1330 | "Return a pretty description of key-sequence KEYS.\n\ | |
1331 | Control characters turn into \"C-foo\" sequences, meta into \"M-foo\"\n\ | |
1332 | spaces are put between sequence elements, etc.") | |
1333 | (keys) | |
1334 | Lisp_Object keys; | |
1335 | { | |
4c7d5f13 RS |
1336 | int len; |
1337 | int i; | |
1338 | Lisp_Object sep; | |
1339 | Lisp_Object *args; | |
1340 | ||
47684cd9 | 1341 | if (STRINGP (keys)) |
6ba6e250 RS |
1342 | { |
1343 | Lisp_Object vector; | |
6ba6e250 RS |
1344 | vector = Fmake_vector (Flength (keys), Qnil); |
1345 | for (i = 0; i < XSTRING (keys)->size; i++) | |
1346 | { | |
1347 | if (XSTRING (keys)->data[i] & 0x80) | |
6e344130 KH |
1348 | XSETFASTINT (XVECTOR (vector)->contents[i], |
1349 | meta_modifier | (XSTRING (keys)->data[i] & ~0x80)); | |
6ba6e250 | 1350 | else |
6e344130 KH |
1351 | XSETFASTINT (XVECTOR (vector)->contents[i], |
1352 | XSTRING (keys)->data[i]); | |
6ba6e250 RS |
1353 | } |
1354 | keys = vector; | |
1355 | } | |
e283121b | 1356 | else if (!VECTORP (keys)) |
47684cd9 | 1357 | keys = wrong_type_argument (Qarrayp, keys); |
4c7d5f13 RS |
1358 | |
1359 | /* In effect, this computes | |
1360 | (mapconcat 'single-key-description keys " ") | |
1361 | but we shouldn't use mapconcat because it can do GC. */ | |
1362 | ||
1363 | len = XVECTOR (keys)->size; | |
1364 | sep = build_string (" "); | |
1365 | /* This has one extra element at the end that we don't pass to Fconcat. */ | |
1366 | args = (Lisp_Object *) alloca (len * 2 * sizeof (Lisp_Object)); | |
1367 | ||
1368 | for (i = 0; i < len; i++) | |
1369 | { | |
1370 | args[i * 2] = Fsingle_key_description (XVECTOR (keys)->contents[i]); | |
1371 | args[i * 2 + 1] = sep; | |
1372 | } | |
1373 | ||
1374 | return Fconcat (len * 2 - 1, args); | |
2c6f1a39 JB |
1375 | } |
1376 | ||
1377 | char * | |
1378 | push_key_description (c, p) | |
1379 | register unsigned int c; | |
1380 | register char *p; | |
1381 | { | |
71ac885b RS |
1382 | /* Clear all the meaningless bits above the meta bit. */ |
1383 | c &= meta_modifier | ~ - meta_modifier; | |
1384 | ||
6ba6e250 RS |
1385 | if (c & alt_modifier) |
1386 | { | |
1387 | *p++ = 'A'; | |
1388 | *p++ = '-'; | |
1389 | c -= alt_modifier; | |
1390 | } | |
1391 | if (c & ctrl_modifier) | |
1392 | { | |
1393 | *p++ = 'C'; | |
1394 | *p++ = '-'; | |
1395 | c -= ctrl_modifier; | |
1396 | } | |
1397 | if (c & hyper_modifier) | |
1398 | { | |
1399 | *p++ = 'H'; | |
1400 | *p++ = '-'; | |
1401 | c -= hyper_modifier; | |
1402 | } | |
1403 | if (c & meta_modifier) | |
2c6f1a39 JB |
1404 | { |
1405 | *p++ = 'M'; | |
1406 | *p++ = '-'; | |
6ba6e250 RS |
1407 | c -= meta_modifier; |
1408 | } | |
1409 | if (c & shift_modifier) | |
1410 | { | |
1411 | *p++ = 'S'; | |
1412 | *p++ = '-'; | |
1413 | c -= shift_modifier; | |
1414 | } | |
1415 | if (c & super_modifier) | |
1416 | { | |
1417 | *p++ = 's'; | |
1418 | *p++ = '-'; | |
1419 | c -= super_modifier; | |
2c6f1a39 JB |
1420 | } |
1421 | if (c < 040) | |
1422 | { | |
1423 | if (c == 033) | |
1424 | { | |
1425 | *p++ = 'E'; | |
1426 | *p++ = 'S'; | |
1427 | *p++ = 'C'; | |
1428 | } | |
6ba6e250 | 1429 | else if (c == '\t') |
2c6f1a39 JB |
1430 | { |
1431 | *p++ = 'T'; | |
1432 | *p++ = 'A'; | |
1433 | *p++ = 'B'; | |
1434 | } | |
1435 | else if (c == Ctl('J')) | |
1436 | { | |
1437 | *p++ = 'L'; | |
1438 | *p++ = 'F'; | |
1439 | *p++ = 'D'; | |
1440 | } | |
1441 | else if (c == Ctl('M')) | |
1442 | { | |
1443 | *p++ = 'R'; | |
1444 | *p++ = 'E'; | |
1445 | *p++ = 'T'; | |
1446 | } | |
1447 | else | |
1448 | { | |
1449 | *p++ = 'C'; | |
1450 | *p++ = '-'; | |
1451 | if (c > 0 && c <= Ctl ('Z')) | |
1452 | *p++ = c + 0140; | |
1453 | else | |
1454 | *p++ = c + 0100; | |
1455 | } | |
1456 | } | |
1457 | else if (c == 0177) | |
1458 | { | |
1459 | *p++ = 'D'; | |
1460 | *p++ = 'E'; | |
1461 | *p++ = 'L'; | |
1462 | } | |
1463 | else if (c == ' ') | |
1464 | { | |
1465 | *p++ = 'S'; | |
1466 | *p++ = 'P'; | |
1467 | *p++ = 'C'; | |
1468 | } | |
6ba6e250 | 1469 | else if (c < 256) |
2c6f1a39 | 1470 | *p++ = c; |
6ba6e250 RS |
1471 | else |
1472 | { | |
1473 | *p++ = '\\'; | |
1474 | *p++ = (7 & (c >> 15)) + '0'; | |
1475 | *p++ = (7 & (c >> 12)) + '0'; | |
1476 | *p++ = (7 & (c >> 9)) + '0'; | |
1477 | *p++ = (7 & (c >> 6)) + '0'; | |
1478 | *p++ = (7 & (c >> 3)) + '0'; | |
1479 | *p++ = (7 & (c >> 0)) + '0'; | |
1480 | } | |
2c6f1a39 JB |
1481 | |
1482 | return p; | |
1483 | } | |
1484 | ||
21a0d7a0 RS |
1485 | /* This function cannot GC. */ |
1486 | ||
2c6f1a39 JB |
1487 | DEFUN ("single-key-description", Fsingle_key_description, Ssingle_key_description, 1, 1, 0, |
1488 | "Return a pretty description of command character KEY.\n\ | |
1489 | Control characters turn into C-whatever, etc.") | |
1490 | (key) | |
1491 | Lisp_Object key; | |
1492 | { | |
6ba6e250 | 1493 | char tem[20]; |
2c6f1a39 | 1494 | |
cebd887d | 1495 | key = EVENT_HEAD (key); |
6bbbd9b0 | 1496 | |
e958fd9a | 1497 | if (INTEGERP (key)) /* Normal character */ |
2c6f1a39 | 1498 | { |
6ba6e250 | 1499 | *push_key_description (XUINT (key), tem) = 0; |
2c6f1a39 | 1500 | return build_string (tem); |
2c6f1a39 | 1501 | } |
e958fd9a KH |
1502 | else if (SYMBOLP (key)) /* Function key or event-symbol */ |
1503 | return Fsymbol_name (key); | |
1504 | else if (STRINGP (key)) /* Buffer names in the menubar. */ | |
1505 | return Fcopy_sequence (key); | |
1506 | else | |
1507 | error ("KEY must be an integer, cons, symbol, or string"); | |
2c6f1a39 JB |
1508 | } |
1509 | ||
1510 | char * | |
1511 | push_text_char_description (c, p) | |
1512 | register unsigned int c; | |
1513 | register char *p; | |
1514 | { | |
1515 | if (c >= 0200) | |
1516 | { | |
1517 | *p++ = 'M'; | |
1518 | *p++ = '-'; | |
1519 | c -= 0200; | |
1520 | } | |
1521 | if (c < 040) | |
1522 | { | |
1523 | *p++ = '^'; | |
1524 | *p++ = c + 64; /* 'A' - 1 */ | |
1525 | } | |
1526 | else if (c == 0177) | |
1527 | { | |
1528 | *p++ = '^'; | |
1529 | *p++ = '?'; | |
1530 | } | |
1531 | else | |
1532 | *p++ = c; | |
1533 | return p; | |
1534 | } | |
1535 | ||
21a0d7a0 RS |
1536 | /* This function cannot GC. */ |
1537 | ||
2c6f1a39 JB |
1538 | DEFUN ("text-char-description", Ftext_char_description, Stext_char_description, 1, 1, 0, |
1539 | "Return a pretty description of file-character CHAR.\n\ | |
1540 | Control characters turn into \"^char\", etc.") | |
1541 | (chr) | |
1542 | Lisp_Object chr; | |
1543 | { | |
1544 | char tem[6]; | |
1545 | ||
1546 | CHECK_NUMBER (chr, 0); | |
1547 | ||
1548 | *push_text_char_description (XINT (chr) & 0377, tem) = 0; | |
1549 | ||
1550 | return build_string (tem); | |
1551 | } | |
2fc66973 JB |
1552 | |
1553 | /* Return non-zero if SEQ contains only ASCII characters, perhaps with | |
1554 | a meta bit. */ | |
1555 | static int | |
1556 | ascii_sequence_p (seq) | |
1557 | Lisp_Object seq; | |
1558 | { | |
6e344130 | 1559 | int i; |
2fc66973 | 1560 | int len = XINT (Flength (seq)); |
ffab2bd6 | 1561 | |
6e344130 | 1562 | for (i = 0; i < len; i++) |
2fc66973 | 1563 | { |
6e344130 | 1564 | Lisp_Object ii, elt; |
ffab2bd6 | 1565 | |
6e344130 KH |
1566 | XSETFASTINT (ii, i); |
1567 | elt = Faref (seq, ii); | |
2fc66973 | 1568 | |
416349ec | 1569 | if (!INTEGERP (elt) |
2fc66973 JB |
1570 | || (XUINT (elt) & ~CHAR_META) >= 0x80) |
1571 | return 0; | |
1572 | } | |
1573 | ||
1574 | return 1; | |
1575 | } | |
1576 | ||
2c6f1a39 | 1577 | \f |
cc0a8174 JB |
1578 | /* where-is - finding a command in a set of keymaps. */ |
1579 | ||
21a0d7a0 RS |
1580 | /* This function can GC if Flookup_key autoloads any keymaps. */ |
1581 | ||
f0148b5e RS |
1582 | DEFUN ("where-is-internal", Fwhere_is_internal, Swhere_is_internal, 1, 4, 0, |
1583 | "Return list of keys that invoke DEFINITION.\n\ | |
1584 | If KEYMAP is non-nil, search only KEYMAP and the global keymap.\n\ | |
1585 | If KEYMAP is nil, search all the currently active keymaps.\n\ | |
2c6f1a39 | 1586 | \n\ |
f0148b5e | 1587 | If optional 3rd arg FIRSTONLY is non-nil, return the first key sequence found,\n\ |
b8d584f6 RS |
1588 | rather than a list of all possible key sequences.\n\ |
1589 | If FIRSTONLY is t, avoid key sequences which use non-ASCII\n\ | |
2fc66973 JB |
1590 | keys and therefore may not be usable on ASCII terminals. If FIRSTONLY\n\ |
1591 | is the symbol `non-ascii', return the first binding found, no matter\n\ | |
1592 | what its components.\n\ | |
2c6f1a39 | 1593 | \n\ |
f0148b5e | 1594 | If optional 4th arg NOINDIRECT is non-nil, don't follow indirections\n\ |
2c6f1a39 JB |
1595 | to other keymaps or slots. This makes it possible to search for an\n\ |
1596 | indirect definition itself.") | |
f0148b5e RS |
1597 | (definition, keymap, firstonly, noindirect) |
1598 | Lisp_Object definition, keymap; | |
2c6f1a39 JB |
1599 | Lisp_Object firstonly, noindirect; |
1600 | { | |
21a0d7a0 RS |
1601 | Lisp_Object maps; |
1602 | Lisp_Object found, sequence; | |
f0148b5e | 1603 | int keymap_specified = !NILP (keymap); |
21a0d7a0 | 1604 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
2c6f1a39 | 1605 | |
f0148b5e RS |
1606 | if (! keymap_specified) |
1607 | { | |
1608 | #ifdef USE_TEXT_PROPERTIES | |
1609 | keymap = get_local_map (PT, current_buffer); | |
1610 | #else | |
1611 | keymap = current_buffer->keymap; | |
1612 | #endif | |
1613 | } | |
2c6f1a39 | 1614 | |
f0148b5e RS |
1615 | if (!NILP (keymap)) |
1616 | maps = nconc2 (Faccessible_keymaps (get_keymap (keymap), Qnil), | |
1617 | Faccessible_keymaps (get_keymap (current_global_map), | |
1618 | Qnil)); | |
2c6f1a39 | 1619 | else |
f0148b5e RS |
1620 | maps = Faccessible_keymaps (get_keymap (current_global_map), Qnil); |
1621 | ||
1622 | /* Put the minor mode keymaps on the front. */ | |
1623 | if (! keymap_specified) | |
1624 | { | |
1625 | Lisp_Object minors; | |
1626 | minors = Fnreverse (Fcurrent_minor_mode_maps ()); | |
1627 | while (!NILP (minors)) | |
1628 | { | |
1629 | maps = nconc2 (Faccessible_keymaps (get_keymap (XCONS (minors)->car), | |
1630 | Qnil), | |
1631 | maps); | |
1632 | minors = XCONS (minors)->cdr; | |
1633 | } | |
1634 | } | |
2c6f1a39 | 1635 | |
21a0d7a0 | 1636 | GCPRO5 (definition, keymap, maps, found, sequence); |
2c6f1a39 | 1637 | found = Qnil; |
21a0d7a0 | 1638 | sequence = Qnil; |
2c6f1a39 | 1639 | |
265a9e55 | 1640 | for (; !NILP (maps); maps = Fcdr (maps)) |
2c6f1a39 | 1641 | { |
e9b6dfb0 KH |
1642 | /* Key sequence to reach map, and the map that it reaches */ |
1643 | register Lisp_Object this, map; | |
f5b79c1c JB |
1644 | |
1645 | /* If Fcar (map) is a VECTOR, the current element within that vector. */ | |
1646 | int i = 0; | |
2c6f1a39 JB |
1647 | |
1648 | /* In order to fold [META-PREFIX-CHAR CHAR] sequences into | |
1649 | [M-CHAR] sequences, check if last character of the sequence | |
1650 | is the meta-prefix char. */ | |
e9b6dfb0 KH |
1651 | Lisp_Object last; |
1652 | int last_is_meta; | |
1653 | ||
1654 | this = Fcar (Fcar (maps)); | |
1655 | map = Fcdr (Fcar (maps)); | |
1656 | last = make_number (XINT (Flength (this)) - 1); | |
1657 | last_is_meta = (XINT (last) >= 0 | |
1658 | && EQ (Faref (this, last), meta_prefix_char)); | |
2c6f1a39 | 1659 | |
fde3a52f JB |
1660 | QUIT; |
1661 | ||
f5b79c1c | 1662 | while (CONSP (map)) |
2c6f1a39 | 1663 | { |
f5b79c1c JB |
1664 | /* Because the code we want to run on each binding is rather |
1665 | large, we don't want to have two separate loop bodies for | |
1666 | sparse keymap bindings and tables; we want to iterate one | |
1667 | loop body over both keymap and vector bindings. | |
1668 | ||
1669 | For this reason, if Fcar (map) is a vector, we don't | |
1670 | advance map to the next element until i indicates that we | |
1671 | have finished off the vector. */ | |
2c6f1a39 | 1672 | |
21a0d7a0 | 1673 | Lisp_Object elt, key, binding; |
e9b6dfb0 | 1674 | elt = XCONS (map)->car; |
f5b79c1c | 1675 | |
fde3a52f JB |
1676 | QUIT; |
1677 | ||
f5b79c1c JB |
1678 | /* Set key and binding to the current key and binding, and |
1679 | advance map and i to the next binding. */ | |
416349ec | 1680 | if (VECTORP (elt)) |
2c6f1a39 JB |
1681 | { |
1682 | /* In a vector, look at each element. */ | |
f5b79c1c | 1683 | binding = XVECTOR (elt)->contents[i]; |
6e344130 | 1684 | XSETFASTINT (key, i); |
2c6f1a39 JB |
1685 | i++; |
1686 | ||
f5b79c1c JB |
1687 | /* If we've just finished scanning a vector, advance map |
1688 | to the next element, and reset i in anticipation of the | |
1689 | next vector we may find. */ | |
db6f9d95 | 1690 | if (i >= XVECTOR (elt)->size) |
2c6f1a39 | 1691 | { |
f5b79c1c JB |
1692 | map = XCONS (map)->cdr; |
1693 | i = 0; | |
2c6f1a39 | 1694 | } |
f5b79c1c JB |
1695 | } |
1696 | else if (CONSP (elt)) | |
1697 | { | |
2c6f1a39 | 1698 | key = Fcar (Fcar (map)); |
f5b79c1c JB |
1699 | binding = Fcdr (Fcar (map)); |
1700 | ||
1701 | map = XCONS (map)->cdr; | |
2c6f1a39 JB |
1702 | } |
1703 | else | |
f5b79c1c JB |
1704 | /* We want to ignore keymap elements that are neither |
1705 | vectors nor conses. */ | |
fde3a52f JB |
1706 | { |
1707 | map = XCONS (map)->cdr; | |
1708 | continue; | |
1709 | } | |
2c6f1a39 JB |
1710 | |
1711 | /* Search through indirections unless that's not wanted. */ | |
265a9e55 | 1712 | if (NILP (noindirect)) |
224a16e8 | 1713 | binding = get_keyelt (binding, 0); |
2c6f1a39 JB |
1714 | |
1715 | /* End this iteration if this element does not match | |
1716 | the target. */ | |
1717 | ||
416349ec | 1718 | if (CONSP (definition)) |
2c6f1a39 JB |
1719 | { |
1720 | Lisp_Object tem; | |
1721 | tem = Fequal (binding, definition); | |
265a9e55 | 1722 | if (NILP (tem)) |
2c6f1a39 JB |
1723 | continue; |
1724 | } | |
1725 | else | |
1726 | if (!EQ (binding, definition)) | |
1727 | continue; | |
1728 | ||
1729 | /* We have found a match. | |
1730 | Construct the key sequence where we found it. */ | |
416349ec | 1731 | if (INTEGERP (key) && last_is_meta) |
2c6f1a39 JB |
1732 | { |
1733 | sequence = Fcopy_sequence (this); | |
0b8fc2d4 | 1734 | Faset (sequence, last, make_number (XINT (key) | meta_modifier)); |
2c6f1a39 JB |
1735 | } |
1736 | else | |
1737 | sequence = append_key (this, key); | |
1738 | ||
1739 | /* Verify that this key binding is not shadowed by another | |
1740 | binding for the same key, before we say it exists. | |
1741 | ||
1742 | Mechanism: look for local definition of this key and if | |
1743 | it is defined and does not match what we found then | |
1744 | ignore this key. | |
1745 | ||
1746 | Either nil or number as value from Flookup_key | |
1747 | means undefined. */ | |
f0148b5e | 1748 | if (keymap_specified) |
2c6f1a39 | 1749 | { |
f0148b5e | 1750 | binding = Flookup_key (keymap, sequence, Qnil); |
416349ec | 1751 | if (!NILP (binding) && !INTEGERP (binding)) |
2c6f1a39 | 1752 | { |
416349ec | 1753 | if (CONSP (definition)) |
2c6f1a39 JB |
1754 | { |
1755 | Lisp_Object tem; | |
1756 | tem = Fequal (binding, definition); | |
265a9e55 | 1757 | if (NILP (tem)) |
2c6f1a39 JB |
1758 | continue; |
1759 | } | |
1760 | else | |
1761 | if (!EQ (binding, definition)) | |
1762 | continue; | |
1763 | } | |
1764 | } | |
f0148b5e RS |
1765 | else |
1766 | { | |
1767 | binding = Fkey_binding (sequence, Qnil); | |
1768 | if (!EQ (binding, definition)) | |
1769 | continue; | |
1770 | } | |
2c6f1a39 | 1771 | |
9fc722de KH |
1772 | /* It is a true unshadowed match. Record it, unless it's already |
1773 | been seen (as could happen when inheriting keymaps). */ | |
1774 | if (NILP (Fmember (sequence, found))) | |
1775 | found = Fcons (sequence, found); | |
2c6f1a39 | 1776 | |
2fc66973 JB |
1777 | /* If firstonly is Qnon_ascii, then we can return the first |
1778 | binding we find. If firstonly is not Qnon_ascii but not | |
1779 | nil, then we should return the first ascii-only binding | |
1780 | we find. */ | |
1781 | if (EQ (firstonly, Qnon_ascii)) | |
21a0d7a0 | 1782 | RETURN_UNGCPRO (sequence); |
2fc66973 | 1783 | else if (! NILP (firstonly) && ascii_sequence_p (sequence)) |
21a0d7a0 | 1784 | RETURN_UNGCPRO (sequence); |
2c6f1a39 JB |
1785 | } |
1786 | } | |
2fc66973 | 1787 | |
21a0d7a0 RS |
1788 | UNGCPRO; |
1789 | ||
2fc66973 JB |
1790 | found = Fnreverse (found); |
1791 | ||
1792 | /* firstonly may have been t, but we may have gone all the way through | |
1793 | the keymaps without finding an all-ASCII key sequence. So just | |
1794 | return the best we could find. */ | |
1795 | if (! NILP (firstonly)) | |
1796 | return Fcar (found); | |
1797 | ||
1798 | return found; | |
2c6f1a39 | 1799 | } |
2c6f1a39 | 1800 | \f |
cc0a8174 JB |
1801 | /* describe-bindings - summarizing all the bindings in a set of keymaps. */ |
1802 | ||
53c8f9fa | 1803 | DEFUN ("describe-bindings", Fdescribe_bindings, Sdescribe_bindings, 0, 1, "", |
2c6f1a39 | 1804 | "Show a list of all defined keys, and their definitions.\n\ |
53c8f9fa RS |
1805 | The list is put in a buffer, which is displayed.\n\ |
1806 | An optional argument PREFIX, if non-nil, should be a key sequence;\n\ | |
1807 | then we display only bindings that start with that prefix.") | |
1808 | (prefix) | |
1809 | Lisp_Object prefix; | |
2c6f1a39 JB |
1810 | { |
1811 | register Lisp_Object thisbuf; | |
bff4ec1f | 1812 | XSETBUFFER (thisbuf, current_buffer); |
2c6f1a39 JB |
1813 | internal_with_output_to_temp_buffer ("*Help*", |
1814 | describe_buffer_bindings, | |
53c8f9fa | 1815 | Fcons (thisbuf, prefix)); |
2c6f1a39 JB |
1816 | return Qnil; |
1817 | } | |
1818 | ||
53c8f9fa RS |
1819 | /* ARG is (BUFFER . PREFIX). */ |
1820 | ||
2c6f1a39 | 1821 | static Lisp_Object |
53c8f9fa RS |
1822 | describe_buffer_bindings (arg) |
1823 | Lisp_Object arg; | |
2c6f1a39 | 1824 | { |
53c8f9fa | 1825 | Lisp_Object descbuf, prefix, shadow; |
d7ab90a9 KH |
1826 | register Lisp_Object start1; |
1827 | struct gcpro gcpro1; | |
2c6f1a39 | 1828 | |
4726a9f1 JB |
1829 | char *alternate_heading |
1830 | = "\ | |
1831 | Alternate Characters (use anywhere the nominal character is listed):\n\ | |
1832 | nominal alternate\n\ | |
1833 | ------- ---------\n"; | |
2c6f1a39 | 1834 | |
53c8f9fa RS |
1835 | descbuf = XCONS (arg)->car; |
1836 | prefix = XCONS (arg)->cdr; | |
a588e041 | 1837 | shadow = Qnil; |
d7ab90a9 | 1838 | GCPRO1 (shadow); |
53c8f9fa | 1839 | |
2c6f1a39 JB |
1840 | Fset_buffer (Vstandard_output); |
1841 | ||
4726a9f1 | 1842 | /* Report on alternates for keys. */ |
416349ec | 1843 | if (STRINGP (Vkeyboard_translate_table)) |
4726a9f1 JB |
1844 | { |
1845 | int c; | |
1846 | unsigned char *translate = XSTRING (Vkeyboard_translate_table)->data; | |
1847 | int translate_len = XSTRING (Vkeyboard_translate_table)->size; | |
1848 | ||
1849 | for (c = 0; c < translate_len; c++) | |
1850 | if (translate[c] != c) | |
1851 | { | |
1852 | char buf[20]; | |
1853 | char *bufend; | |
1854 | ||
1855 | if (alternate_heading) | |
1856 | { | |
1857 | insert_string (alternate_heading); | |
1858 | alternate_heading = 0; | |
1859 | } | |
1860 | ||
1861 | bufend = push_key_description (translate[c], buf); | |
1862 | insert (buf, bufend - buf); | |
1863 | Findent_to (make_number (16), make_number (1)); | |
1864 | bufend = push_key_description (c, buf); | |
1865 | insert (buf, bufend - buf); | |
1866 | ||
1867 | insert ("\n", 1); | |
1868 | } | |
1869 | ||
1870 | insert ("\n", 1); | |
1871 | } | |
1872 | ||
cc0a8174 JB |
1873 | { |
1874 | int i, nmaps; | |
1875 | Lisp_Object *modes, *maps; | |
1876 | ||
4726a9f1 JB |
1877 | /* Temporarily switch to descbuf, so that we can get that buffer's |
1878 | minor modes correctly. */ | |
1879 | Fset_buffer (descbuf); | |
7d92e329 RS |
1880 | if (!NILP (Voverriding_local_map)) |
1881 | nmaps = 0; | |
1882 | else | |
1883 | nmaps = current_minor_maps (&modes, &maps); | |
4726a9f1 JB |
1884 | Fset_buffer (Vstandard_output); |
1885 | ||
53c8f9fa | 1886 | /* Print the minor mode maps. */ |
cc0a8174 JB |
1887 | for (i = 0; i < nmaps; i++) |
1888 | { | |
c9b7c53a | 1889 | /* The title for a minor mode keymap |
07f15dfd RS |
1890 | is constructed at run time. |
1891 | We let describe_map_tree do the actual insertion | |
1892 | because it takes care of other features when doing so. */ | |
c9b7c53a | 1893 | char *title, *p; |
07f15dfd | 1894 | |
416349ec | 1895 | if (!SYMBOLP (modes[i])) |
d7ab90a9 KH |
1896 | abort(); |
1897 | ||
1898 | p = title = (char *) alloca (40 + XSYMBOL (modes[i])->name->size); | |
1899 | *p++ = '`'; | |
1900 | bcopy (XSYMBOL (modes[i])->name->data, p, | |
1901 | XSYMBOL (modes[i])->name->size); | |
1902 | p += XSYMBOL (modes[i])->name->size; | |
1903 | *p++ = '\''; | |
c9b7c53a KH |
1904 | bcopy (" Minor Mode Bindings", p, sizeof (" Minor Mode Bindings") - 1); |
1905 | p += sizeof (" Minor Mode Bindings") - 1; | |
07f15dfd RS |
1906 | *p = 0; |
1907 | ||
af1d6f09 | 1908 | describe_map_tree (maps[i], 0, shadow, prefix, title, 0); |
53c8f9fa | 1909 | shadow = Fcons (maps[i], shadow); |
cc0a8174 JB |
1910 | } |
1911 | } | |
1912 | ||
53c8f9fa | 1913 | /* Print the (major mode) local map. */ |
7d92e329 RS |
1914 | if (!NILP (Voverriding_local_map)) |
1915 | start1 = Voverriding_local_map; | |
1916 | else | |
1917 | start1 = XBUFFER (descbuf)->keymap; | |
1918 | ||
265a9e55 | 1919 | if (!NILP (start1)) |
2c6f1a39 | 1920 | { |
53c8f9fa | 1921 | describe_map_tree (start1, 0, shadow, prefix, |
af1d6f09 | 1922 | "Major Mode Bindings", 0); |
53c8f9fa | 1923 | shadow = Fcons (start1, shadow); |
2c6f1a39 JB |
1924 | } |
1925 | ||
53c8f9fa | 1926 | describe_map_tree (current_global_map, 0, shadow, prefix, |
af1d6f09 | 1927 | "Global Bindings", 0); |
2c6f1a39 | 1928 | |
04befa07 | 1929 | call0 (intern ("help-mode")); |
2c6f1a39 | 1930 | Fset_buffer (descbuf); |
d7ab90a9 | 1931 | UNGCPRO; |
2c6f1a39 JB |
1932 | return Qnil; |
1933 | } | |
1934 | ||
1935 | /* Insert a desription of the key bindings in STARTMAP, | |
1936 | followed by those of all maps reachable through STARTMAP. | |
1937 | If PARTIAL is nonzero, omit certain "uninteresting" commands | |
1938 | (such as `undefined'). | |
53c8f9fa RS |
1939 | If SHADOW is non-nil, it is a list of maps; |
1940 | don't mention keys which would be shadowed by any of them. | |
1941 | PREFIX, if non-nil, says mention only keys that start with PREFIX. | |
07f15dfd | 1942 | TITLE, if not 0, is a string to insert at the beginning. |
af1d6f09 RS |
1943 | TITLE should not end with a colon or a newline; we supply that. |
1944 | If NOMENU is not 0, then omit menu-bar commands. */ | |
2c6f1a39 JB |
1945 | |
1946 | void | |
af1d6f09 | 1947 | describe_map_tree (startmap, partial, shadow, prefix, title, nomenu) |
53c8f9fa | 1948 | Lisp_Object startmap, shadow, prefix; |
2c6f1a39 | 1949 | int partial; |
53c8f9fa | 1950 | char *title; |
af1d6f09 | 1951 | int nomenu; |
2c6f1a39 | 1952 | { |
e3dfcd4e KH |
1953 | Lisp_Object maps, seen, sub_shadows; |
1954 | struct gcpro gcpro1, gcpro2, gcpro3; | |
07f15dfd | 1955 | int something = 0; |
53c8f9fa RS |
1956 | char *key_heading |
1957 | = "\ | |
1958 | key binding\n\ | |
1959 | --- -------\n"; | |
2c6f1a39 | 1960 | |
53c8f9fa | 1961 | maps = Faccessible_keymaps (startmap, prefix); |
925083d1 | 1962 | seen = Qnil; |
e3dfcd4e KH |
1963 | sub_shadows = Qnil; |
1964 | GCPRO3 (maps, seen, sub_shadows); | |
2c6f1a39 | 1965 | |
af1d6f09 RS |
1966 | if (nomenu) |
1967 | { | |
1968 | Lisp_Object list; | |
1969 | ||
1970 | /* Delete from MAPS each element that is for the menu bar. */ | |
1971 | for (list = maps; !NILP (list); list = XCONS (list)->cdr) | |
1972 | { | |
1973 | Lisp_Object elt, prefix, tem; | |
1974 | ||
1975 | elt = Fcar (list); | |
1976 | prefix = Fcar (elt); | |
1977 | if (XVECTOR (prefix)->size >= 1) | |
1978 | { | |
1979 | tem = Faref (prefix, make_number (0)); | |
1980 | if (EQ (tem, Qmenu_bar)) | |
1981 | maps = Fdelq (elt, maps); | |
1982 | } | |
1983 | } | |
1984 | } | |
1985 | ||
53c8f9fa RS |
1986 | if (!NILP (maps)) |
1987 | { | |
1988 | if (title) | |
07f15dfd RS |
1989 | { |
1990 | insert_string (title); | |
1991 | if (!NILP (prefix)) | |
1992 | { | |
1993 | insert_string (" Starting With "); | |
1994 | insert1 (Fkey_description (prefix)); | |
1995 | } | |
1996 | insert_string (":\n"); | |
1997 | } | |
53c8f9fa | 1998 | insert_string (key_heading); |
07f15dfd | 1999 | something = 1; |
53c8f9fa RS |
2000 | } |
2001 | ||
265a9e55 | 2002 | for (; !NILP (maps); maps = Fcdr (maps)) |
2c6f1a39 | 2003 | { |
e3dfcd4e | 2004 | register Lisp_Object elt, prefix, tail; |
53c8f9fa | 2005 | |
2c6f1a39 | 2006 | elt = Fcar (maps); |
53c8f9fa RS |
2007 | prefix = Fcar (elt); |
2008 | ||
2009 | sub_shadows = Qnil; | |
2010 | ||
2011 | for (tail = shadow; CONSP (tail); tail = XCONS (tail)->cdr) | |
2c6f1a39 | 2012 | { |
53c8f9fa RS |
2013 | Lisp_Object shmap; |
2014 | ||
2015 | shmap = XCONS (tail)->car; | |
2016 | ||
2017 | /* If the sequence by which we reach this keymap is zero-length, | |
2018 | then the shadow map for this keymap is just SHADOW. */ | |
416349ec KH |
2019 | if ((STRINGP (prefix) && XSTRING (prefix)->size == 0) |
2020 | || (VECTORP (prefix) && XVECTOR (prefix)->size == 0)) | |
53c8f9fa RS |
2021 | ; |
2022 | /* If the sequence by which we reach this keymap actually has | |
2023 | some elements, then the sequence's definition in SHADOW is | |
2024 | what we should use. */ | |
2025 | else | |
2026 | { | |
98234407 | 2027 | shmap = Flookup_key (shmap, Fcar (elt), Qt); |
416349ec | 2028 | if (INTEGERP (shmap)) |
53c8f9fa RS |
2029 | shmap = Qnil; |
2030 | } | |
2031 | ||
2032 | /* If shmap is not nil and not a keymap, | |
2033 | it completely shadows this map, so don't | |
2034 | describe this map at all. */ | |
2035 | if (!NILP (shmap) && NILP (Fkeymapp (shmap))) | |
2036 | goto skip; | |
2037 | ||
2038 | if (!NILP (shmap)) | |
2039 | sub_shadows = Fcons (shmap, sub_shadows); | |
2c6f1a39 JB |
2040 | } |
2041 | ||
925083d1 KH |
2042 | describe_map (Fcdr (elt), Fcar (elt), describe_command, |
2043 | partial, sub_shadows, &seen); | |
53c8f9fa RS |
2044 | |
2045 | skip: ; | |
2c6f1a39 JB |
2046 | } |
2047 | ||
07f15dfd RS |
2048 | if (something) |
2049 | insert_string ("\n"); | |
2050 | ||
2c6f1a39 JB |
2051 | UNGCPRO; |
2052 | } | |
2053 | ||
2054 | static void | |
2055 | describe_command (definition) | |
2056 | Lisp_Object definition; | |
2057 | { | |
2058 | register Lisp_Object tem1; | |
2059 | ||
2060 | Findent_to (make_number (16), make_number (1)); | |
2061 | ||
416349ec | 2062 | if (SYMBOLP (definition)) |
2c6f1a39 | 2063 | { |
bff4ec1f | 2064 | XSETSTRING (tem1, XSYMBOL (definition)->name); |
2c6f1a39 JB |
2065 | insert1 (tem1); |
2066 | insert_string ("\n"); | |
2067 | } | |
24065b9c RS |
2068 | else if (STRINGP (definition)) |
2069 | insert_string ("Keyboard Macro\n"); | |
2c6f1a39 JB |
2070 | else |
2071 | { | |
2072 | tem1 = Fkeymapp (definition); | |
265a9e55 | 2073 | if (!NILP (tem1)) |
2c6f1a39 JB |
2074 | insert_string ("Prefix Command\n"); |
2075 | else | |
2076 | insert_string ("??\n"); | |
2077 | } | |
2078 | } | |
2079 | ||
53c8f9fa RS |
2080 | /* Like Flookup_key, but uses a list of keymaps SHADOW instead of a single map. |
2081 | Returns the first non-nil binding found in any of those maps. */ | |
2082 | ||
2083 | static Lisp_Object | |
2084 | shadow_lookup (shadow, key, flag) | |
2085 | Lisp_Object shadow, key, flag; | |
2086 | { | |
2087 | Lisp_Object tail, value; | |
2088 | ||
2089 | for (tail = shadow; CONSP (tail); tail = XCONS (tail)->cdr) | |
2090 | { | |
2091 | value = Flookup_key (XCONS (tail)->car, key, flag); | |
2092 | if (!NILP (value)) | |
2093 | return value; | |
2094 | } | |
2095 | return Qnil; | |
2096 | } | |
2097 | ||
c3c0ee93 KH |
2098 | /* Describe the contents of map MAP, assuming that this map itself is |
2099 | reached by the sequence of prefix keys KEYS (a string or vector). | |
925083d1 | 2100 | PARTIAL, SHADOW are as in `describe_map_tree' above. */ |
2c6f1a39 JB |
2101 | |
2102 | static void | |
925083d1 | 2103 | describe_map (map, keys, elt_describer, partial, shadow, seen) |
c3c0ee93 KH |
2104 | register Lisp_Object map; |
2105 | Lisp_Object keys; | |
2c6f1a39 JB |
2106 | int (*elt_describer) (); |
2107 | int partial; | |
2108 | Lisp_Object shadow; | |
925083d1 | 2109 | Lisp_Object *seen; |
2c6f1a39 | 2110 | { |
c3c0ee93 | 2111 | Lisp_Object elt_prefix; |
53c8f9fa | 2112 | Lisp_Object tail, definition, event; |
99a225a9 | 2113 | Lisp_Object tem; |
2c6f1a39 JB |
2114 | Lisp_Object suppress; |
2115 | Lisp_Object kludge; | |
2116 | int first = 1; | |
2117 | struct gcpro gcpro1, gcpro2, gcpro3; | |
2118 | ||
c3c0ee93 KH |
2119 | if (!NILP (keys) && XFASTINT (Flength (keys)) > 0) |
2120 | { | |
c3c0ee93 KH |
2121 | /* Call Fkey_description first, to avoid GC bug for the other string. */ |
2122 | tem = Fkey_description (keys); | |
2123 | elt_prefix = concat2 (tem, build_string (" ")); | |
2124 | } | |
2125 | else | |
2126 | elt_prefix = Qnil; | |
2127 | ||
2c6f1a39 JB |
2128 | if (partial) |
2129 | suppress = intern ("suppress-keymap"); | |
2130 | ||
2131 | /* This vector gets used to present single keys to Flookup_key. Since | |
f5b79c1c | 2132 | that is done once per keymap element, we don't want to cons up a |
2c6f1a39 JB |
2133 | fresh vector every time. */ |
2134 | kludge = Fmake_vector (make_number (1), Qnil); | |
99a225a9 | 2135 | definition = Qnil; |
2c6f1a39 | 2136 | |
99a225a9 | 2137 | GCPRO3 (elt_prefix, definition, kludge); |
2c6f1a39 | 2138 | |
925083d1 | 2139 | for (tail = map; CONSP (tail); tail = XCONS (tail)->cdr) |
2c6f1a39 JB |
2140 | { |
2141 | QUIT; | |
2c6f1a39 | 2142 | |
416349ec | 2143 | if (VECTORP (XCONS (tail)->car)) |
53c8f9fa | 2144 | describe_vector (XCONS (tail)->car, |
f5b79c1c | 2145 | elt_prefix, elt_describer, partial, shadow); |
925083d1 | 2146 | else if (CONSP (XCONS (tail)->car)) |
2c6f1a39 | 2147 | { |
925083d1 | 2148 | event = XCONS (XCONS (tail)->car)->car; |
2c3b35b0 RS |
2149 | |
2150 | /* Ignore bindings whose "keys" are not really valid events. | |
2151 | (We get these in the frames and buffers menu.) */ | |
2152 | if (! (SYMBOLP (event) || INTEGERP (event))) | |
c96dcc01 | 2153 | continue; |
2c3b35b0 | 2154 | |
925083d1 | 2155 | definition = get_keyelt (XCONS (XCONS (tail)->car)->cdr, 0); |
2c6f1a39 | 2156 | |
f5b79c1c | 2157 | /* Don't show undefined commands or suppressed commands. */ |
99a225a9 | 2158 | if (NILP (definition)) continue; |
416349ec | 2159 | if (SYMBOLP (definition) && partial) |
f5b79c1c | 2160 | { |
99a225a9 RS |
2161 | tem = Fget (definition, suppress); |
2162 | if (!NILP (tem)) | |
f5b79c1c JB |
2163 | continue; |
2164 | } | |
2c6f1a39 | 2165 | |
f5b79c1c JB |
2166 | /* Don't show a command that isn't really visible |
2167 | because a local definition of the same key shadows it. */ | |
2c6f1a39 | 2168 | |
99a225a9 | 2169 | XVECTOR (kludge)->contents[0] = event; |
f5b79c1c JB |
2170 | if (!NILP (shadow)) |
2171 | { | |
53c8f9fa | 2172 | tem = shadow_lookup (shadow, kludge, Qt); |
f5b79c1c JB |
2173 | if (!NILP (tem)) continue; |
2174 | } | |
2175 | ||
c3c0ee93 | 2176 | tem = Flookup_key (map, kludge, Qt); |
99a225a9 RS |
2177 | if (! EQ (tem, definition)) continue; |
2178 | ||
f5b79c1c JB |
2179 | if (first) |
2180 | { | |
2181 | insert ("\n", 1); | |
2182 | first = 0; | |
2183 | } | |
2c6f1a39 | 2184 | |
f5b79c1c JB |
2185 | if (!NILP (elt_prefix)) |
2186 | insert1 (elt_prefix); | |
2c6f1a39 | 2187 | |
99a225a9 RS |
2188 | /* THIS gets the string to describe the character EVENT. */ |
2189 | insert1 (Fsingle_key_description (event)); | |
2c6f1a39 | 2190 | |
f5b79c1c JB |
2191 | /* Print a description of the definition of this character. |
2192 | elt_describer will take care of spacing out far enough | |
2193 | for alignment purposes. */ | |
99a225a9 | 2194 | (*elt_describer) (definition); |
f5b79c1c | 2195 | } |
925083d1 KH |
2196 | else if (EQ (XCONS (tail)->car, Qkeymap)) |
2197 | { | |
2198 | /* The same keymap might be in the structure twice, if we're | |
2199 | using an inherited keymap. So skip anything we've already | |
2200 | encountered. */ | |
2201 | tem = Fassq (tail, *seen); | |
b5b90d18 | 2202 | if (CONSP (tem) && !NILP (Fequal (XCONS (tem)->car, keys))) |
925083d1 KH |
2203 | break; |
2204 | *seen = Fcons (Fcons (tail, keys), *seen); | |
2205 | } | |
2c6f1a39 JB |
2206 | } |
2207 | ||
2208 | UNGCPRO; | |
2209 | } | |
2210 | ||
2211 | static int | |
2212 | describe_vector_princ (elt) | |
2213 | Lisp_Object elt; | |
2214 | { | |
81fa9e2f | 2215 | Findent_to (make_number (16), make_number (1)); |
2c6f1a39 | 2216 | Fprinc (elt, Qnil); |
ad4ec84a | 2217 | Fterpri (Qnil); |
2c6f1a39 JB |
2218 | } |
2219 | ||
2220 | DEFUN ("describe-vector", Fdescribe_vector, Sdescribe_vector, 1, 1, 0, | |
ad4ec84a | 2221 | "Insert a description of contents of VECTOR.\n\ |
2c6f1a39 JB |
2222 | This is text showing the elements of vector matched against indices.") |
2223 | (vector) | |
2224 | Lisp_Object vector; | |
2225 | { | |
ad4ec84a RS |
2226 | int count = specpdl_ptr - specpdl; |
2227 | ||
2228 | specbind (Qstandard_output, Fcurrent_buffer ()); | |
2c6f1a39 | 2229 | CHECK_VECTOR (vector, 0); |
92cc37e8 | 2230 | describe_vector (vector, Qnil, describe_vector_princ, 0, Qnil); |
ad4ec84a RS |
2231 | |
2232 | return unbind_to (count, Qnil); | |
2c6f1a39 JB |
2233 | } |
2234 | ||
2235 | describe_vector (vector, elt_prefix, elt_describer, partial, shadow) | |
2236 | register Lisp_Object vector; | |
2237 | Lisp_Object elt_prefix; | |
2238 | int (*elt_describer) (); | |
2239 | int partial; | |
2240 | Lisp_Object shadow; | |
2241 | { | |
2242 | Lisp_Object this; | |
2243 | Lisp_Object dummy; | |
2244 | Lisp_Object tem1, tem2; | |
2245 | register int i; | |
2246 | Lisp_Object suppress; | |
2247 | Lisp_Object kludge; | |
2248 | int first = 1; | |
2249 | struct gcpro gcpro1, gcpro2, gcpro3; | |
2250 | ||
2251 | tem1 = Qnil; | |
2252 | ||
2253 | /* This vector gets used to present single keys to Flookup_key. Since | |
2254 | that is done once per vector element, we don't want to cons up a | |
2255 | fresh vector every time. */ | |
2256 | kludge = Fmake_vector (make_number (1), Qnil); | |
2257 | GCPRO3 (elt_prefix, tem1, kludge); | |
2258 | ||
2259 | if (partial) | |
2260 | suppress = intern ("suppress-keymap"); | |
2261 | ||
db6f9d95 | 2262 | for (i = 0; i < XVECTOR (vector)->size; i++) |
2c6f1a39 JB |
2263 | { |
2264 | QUIT; | |
224a16e8 | 2265 | tem1 = get_keyelt (XVECTOR (vector)->contents[i], 0); |
2c6f1a39 | 2266 | |
265a9e55 | 2267 | if (NILP (tem1)) continue; |
2c6f1a39 JB |
2268 | |
2269 | /* Don't mention suppressed commands. */ | |
416349ec | 2270 | if (SYMBOLP (tem1) && partial) |
2c6f1a39 JB |
2271 | { |
2272 | this = Fget (tem1, suppress); | |
265a9e55 | 2273 | if (!NILP (this)) |
2c6f1a39 JB |
2274 | continue; |
2275 | } | |
2276 | ||
2277 | /* If this command in this map is shadowed by some other map, | |
2278 | ignore it. */ | |
265a9e55 | 2279 | if (!NILP (shadow)) |
2c6f1a39 JB |
2280 | { |
2281 | Lisp_Object tem; | |
2282 | ||
2283 | XVECTOR (kludge)->contents[0] = make_number (i); | |
53c8f9fa | 2284 | tem = shadow_lookup (shadow, kludge, Qt); |
2c6f1a39 | 2285 | |
265a9e55 | 2286 | if (!NILP (tem)) continue; |
2c6f1a39 JB |
2287 | } |
2288 | ||
2289 | if (first) | |
2290 | { | |
2291 | insert ("\n", 1); | |
2292 | first = 0; | |
2293 | } | |
2294 | ||
2295 | /* Output the prefix that applies to every entry in this map. */ | |
265a9e55 | 2296 | if (!NILP (elt_prefix)) |
2c6f1a39 JB |
2297 | insert1 (elt_prefix); |
2298 | ||
2299 | /* Get the string to describe the character I, and print it. */ | |
6e344130 | 2300 | XSETFASTINT (dummy, i); |
2c6f1a39 JB |
2301 | |
2302 | /* THIS gets the string to describe the character DUMMY. */ | |
2303 | this = Fsingle_key_description (dummy); | |
2304 | insert1 (this); | |
2305 | ||
2306 | /* Find all consecutive characters that have the same definition. */ | |
db6f9d95 | 2307 | while (i + 1 < XVECTOR (vector)->size |
224a16e8 | 2308 | && (tem2 = get_keyelt (XVECTOR (vector)->contents[i+1], 0), |
2c6f1a39 JB |
2309 | EQ (tem2, tem1))) |
2310 | i++; | |
2311 | ||
2312 | /* If we have a range of more than one character, | |
2313 | print where the range reaches to. */ | |
2314 | ||
2315 | if (i != XINT (dummy)) | |
2316 | { | |
2317 | insert (" .. ", 4); | |
265a9e55 | 2318 | if (!NILP (elt_prefix)) |
2c6f1a39 JB |
2319 | insert1 (elt_prefix); |
2320 | ||
6e344130 | 2321 | XSETFASTINT (dummy, i); |
2c6f1a39 JB |
2322 | insert1 (Fsingle_key_description (dummy)); |
2323 | } | |
2324 | ||
2325 | /* Print a description of the definition of this character. | |
2326 | elt_describer will take care of spacing out far enough | |
2327 | for alignment purposes. */ | |
2328 | (*elt_describer) (tem1); | |
2329 | } | |
2330 | ||
2331 | UNGCPRO; | |
2332 | } | |
2333 | \f | |
cc0a8174 | 2334 | /* Apropos - finding all symbols whose names match a regexp. */ |
2c6f1a39 JB |
2335 | Lisp_Object apropos_predicate; |
2336 | Lisp_Object apropos_accumulate; | |
2337 | ||
2338 | static void | |
2339 | apropos_accum (symbol, string) | |
2340 | Lisp_Object symbol, string; | |
2341 | { | |
2342 | register Lisp_Object tem; | |
2343 | ||
2344 | tem = Fstring_match (string, Fsymbol_name (symbol), Qnil); | |
265a9e55 | 2345 | if (!NILP (tem) && !NILP (apropos_predicate)) |
2c6f1a39 | 2346 | tem = call1 (apropos_predicate, symbol); |
265a9e55 | 2347 | if (!NILP (tem)) |
2c6f1a39 JB |
2348 | apropos_accumulate = Fcons (symbol, apropos_accumulate); |
2349 | } | |
2350 | ||
2351 | DEFUN ("apropos-internal", Fapropos_internal, Sapropos_internal, 1, 2, 0, | |
2352 | "Show all symbols whose names contain match for REGEXP.\n\ | |
2353 | If optional 2nd arg PRED is non-nil, (funcall PRED SYM) is done\n\ | |
2354 | for each symbol and a symbol is mentioned only if that returns non-nil.\n\ | |
2355 | Return list of symbols found.") | |
2356 | (string, pred) | |
2357 | Lisp_Object string, pred; | |
2358 | { | |
2359 | struct gcpro gcpro1, gcpro2; | |
2360 | CHECK_STRING (string, 0); | |
2361 | apropos_predicate = pred; | |
2362 | GCPRO2 (apropos_predicate, apropos_accumulate); | |
2363 | apropos_accumulate = Qnil; | |
2364 | map_obarray (Vobarray, apropos_accum, string); | |
2365 | apropos_accumulate = Fsort (apropos_accumulate, Qstring_lessp); | |
2366 | UNGCPRO; | |
2367 | return apropos_accumulate; | |
2368 | } | |
2369 | \f | |
2370 | syms_of_keymap () | |
2371 | { | |
2372 | Lisp_Object tem; | |
2373 | ||
2374 | Qkeymap = intern ("keymap"); | |
2375 | staticpro (&Qkeymap); | |
2376 | ||
2377 | /* Initialize the keymaps standardly used. | |
2378 | Each one is the value of a Lisp variable, and is also | |
2379 | pointed to by a C variable */ | |
2380 | ||
19eaeb86 | 2381 | global_map = Fcons (Qkeymap, |
1447c534 | 2382 | Fcons (Fmake_vector (make_number (0400), Qnil), Qnil)); |
2c6f1a39 JB |
2383 | Fset (intern ("global-map"), global_map); |
2384 | ||
ce6e5d0b | 2385 | meta_map = Fmake_keymap (Qnil); |
2c6f1a39 JB |
2386 | Fset (intern ("esc-map"), meta_map); |
2387 | Ffset (intern ("ESC-prefix"), meta_map); | |
2388 | ||
ce6e5d0b | 2389 | control_x_map = Fmake_keymap (Qnil); |
2c6f1a39 JB |
2390 | Fset (intern ("ctl-x-map"), control_x_map); |
2391 | Ffset (intern ("Control-X-prefix"), control_x_map); | |
2392 | ||
2393 | DEFVAR_LISP ("minibuffer-local-map", &Vminibuffer_local_map, | |
2394 | "Default keymap to use when reading from the minibuffer."); | |
ce6e5d0b | 2395 | Vminibuffer_local_map = Fmake_sparse_keymap (Qnil); |
2c6f1a39 JB |
2396 | |
2397 | DEFVAR_LISP ("minibuffer-local-ns-map", &Vminibuffer_local_ns_map, | |
2398 | "Local keymap for the minibuffer when spaces are not allowed."); | |
ce6e5d0b | 2399 | Vminibuffer_local_ns_map = Fmake_sparse_keymap (Qnil); |
2c6f1a39 JB |
2400 | |
2401 | DEFVAR_LISP ("minibuffer-local-completion-map", &Vminibuffer_local_completion_map, | |
2402 | "Local keymap for minibuffer input with completion."); | |
ce6e5d0b | 2403 | Vminibuffer_local_completion_map = Fmake_sparse_keymap (Qnil); |
2c6f1a39 JB |
2404 | |
2405 | DEFVAR_LISP ("minibuffer-local-must-match-map", &Vminibuffer_local_must_match_map, | |
2406 | "Local keymap for minibuffer input with completion, for exact match."); | |
ce6e5d0b | 2407 | Vminibuffer_local_must_match_map = Fmake_sparse_keymap (Qnil); |
2c6f1a39 JB |
2408 | |
2409 | current_global_map = global_map; | |
2410 | ||
cc0a8174 JB |
2411 | DEFVAR_LISP ("minor-mode-map-alist", &Vminor_mode_map_alist, |
2412 | "Alist of keymaps to use for minor modes.\n\ | |
2413 | Each element looks like (VARIABLE . KEYMAP); KEYMAP is used to read\n\ | |
2414 | key sequences and look up bindings iff VARIABLE's value is non-nil.\n\ | |
2415 | If two active keymaps bind the same key, the keymap appearing earlier\n\ | |
2416 | in the list takes precedence."); | |
2417 | Vminor_mode_map_alist = Qnil; | |
2418 | ||
6bbbd9b0 JB |
2419 | DEFVAR_LISP ("function-key-map", &Vfunction_key_map, |
2420 | "Keymap mapping ASCII function key sequences onto their preferred forms.\n\ | |
2421 | This allows Emacs to recognize function keys sent from ASCII\n\ | |
2422 | terminals at any point in a key sequence.\n\ | |
2423 | \n\ | |
1981e886 RS |
2424 | The `read-key-sequence' function replaces any subsequence bound by\n\ |
2425 | `function-key-map' with its binding. More precisely, when the active\n\ | |
6bbbd9b0 | 2426 | keymaps have no binding for the current key sequence but\n\ |
1981e886 RS |
2427 | `function-key-map' binds a suffix of the sequence to a vector or string,\n\ |
2428 | `read-key-sequence' replaces the matching suffix with its binding, and\n\ | |
6bbbd9b0 JB |
2429 | continues with the new sequence.\n\ |
2430 | \n\ | |
1981e886 RS |
2431 | The events that come from bindings in `function-key-map' are not\n\ |
2432 | themselves looked up in `function-key-map'.\n\ | |
2433 | \n\ | |
2434 | For example, suppose `function-key-map' binds `ESC O P' to [f1].\n\ | |
2435 | Typing `ESC O P' to `read-key-sequence' would return [f1]. Typing\n\ | |
718ca51e JB |
2436 | `C-x ESC O P' would return [?\\C-x f1]. If [f1] were a prefix\n\ |
2437 | key, typing `ESC O P x' would return [f1 x]."); | |
ce6e5d0b | 2438 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); |
6bbbd9b0 | 2439 | |
2c6f1a39 JB |
2440 | Qsingle_key_description = intern ("single-key-description"); |
2441 | staticpro (&Qsingle_key_description); | |
2442 | ||
2443 | Qkey_description = intern ("key-description"); | |
2444 | staticpro (&Qkey_description); | |
2445 | ||
2446 | Qkeymapp = intern ("keymapp"); | |
2447 | staticpro (&Qkeymapp); | |
2448 | ||
2fc66973 JB |
2449 | Qnon_ascii = intern ("non-ascii"); |
2450 | staticpro (&Qnon_ascii); | |
2451 | ||
2c6f1a39 JB |
2452 | defsubr (&Skeymapp); |
2453 | defsubr (&Smake_keymap); | |
2454 | defsubr (&Smake_sparse_keymap); | |
2455 | defsubr (&Scopy_keymap); | |
2456 | defsubr (&Skey_binding); | |
2457 | defsubr (&Slocal_key_binding); | |
2458 | defsubr (&Sglobal_key_binding); | |
cc0a8174 | 2459 | defsubr (&Sminor_mode_key_binding); |
2c6f1a39 JB |
2460 | defsubr (&Sglobal_set_key); |
2461 | defsubr (&Slocal_set_key); | |
2462 | defsubr (&Sdefine_key); | |
2463 | defsubr (&Slookup_key); | |
2464 | defsubr (&Sglobal_unset_key); | |
2465 | defsubr (&Slocal_unset_key); | |
2466 | defsubr (&Sdefine_prefix_command); | |
2467 | defsubr (&Suse_global_map); | |
2468 | defsubr (&Suse_local_map); | |
2469 | defsubr (&Scurrent_local_map); | |
2470 | defsubr (&Scurrent_global_map); | |
cc0a8174 | 2471 | defsubr (&Scurrent_minor_mode_maps); |
2c6f1a39 JB |
2472 | defsubr (&Saccessible_keymaps); |
2473 | defsubr (&Skey_description); | |
2474 | defsubr (&Sdescribe_vector); | |
2475 | defsubr (&Ssingle_key_description); | |
2476 | defsubr (&Stext_char_description); | |
2477 | defsubr (&Swhere_is_internal); | |
2c6f1a39 JB |
2478 | defsubr (&Sdescribe_bindings); |
2479 | defsubr (&Sapropos_internal); | |
2480 | } | |
2481 | ||
2482 | keys_of_keymap () | |
2483 | { | |
2484 | Lisp_Object tem; | |
2485 | ||
2486 | initial_define_key (global_map, 033, "ESC-prefix"); | |
2487 | initial_define_key (global_map, Ctl('X'), "Control-X-prefix"); | |
2488 | } |