Commit | Line | Data |
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cd645247 | 1 | /* Simple built-in editing commands. |
cac55749 | 2 | Copyright (C) 1985, 93, 94, 95, 96, 1997 Free Software Foundation, Inc. |
cd645247 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) |
cd645247 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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
cd645247 JB |
20 | |
21 | ||
18160b98 | 22 | #include <config.h> |
cd645247 JB |
23 | #include "lisp.h" |
24 | #include "commands.h" | |
25 | #include "buffer.h" | |
9e4fd67b | 26 | #include "charset.h" |
cd645247 | 27 | #include "syntax.h" |
f109dfa2 | 28 | #include "window.h" |
346e0c2d | 29 | #include "keyboard.h" |
cd645247 JB |
30 | |
31 | Lisp_Object Qkill_forward_chars, Qkill_backward_chars, Vblink_paren_function; | |
32 | ||
6bbb0d4a JB |
33 | /* A possible value for a buffer's overwrite-mode variable. */ |
34 | Lisp_Object Qoverwrite_mode_binary; | |
35 | ||
189fad68 RS |
36 | /* Non-nil means put this face on the next self-inserting character. */ |
37 | Lisp_Object Vself_insert_face; | |
38 | ||
39 | /* This is the command that set up Vself_insert_face. */ | |
40 | Lisp_Object Vself_insert_face_command; | |
41 | ||
a22ca1e0 RS |
42 | /* Offset to add to a non-ASCII value when inserting it. */ |
43 | int nonascii_insert_offset; | |
44 | ||
189fad68 | 45 | extern Lisp_Object Qface; |
cd645247 | 46 | \f |
9e4fd67b KH |
47 | /* Return buffer position which is N characters after `point'. */ |
48 | int | |
49 | forward_point (n) | |
50 | int n; | |
51 | { | |
52 | int pos = PT, c; | |
53 | ||
54 | if (!NILP (current_buffer->enable_multibyte_characters)) | |
55 | { | |
56 | /* Simply adding N to `point' doesn't work because of multi-byte | |
57 | form. We had better not use INC_POS and DEC_POS because they | |
58 | check the gap position every time. But, for the moment, we | |
59 | need working code. */ | |
60 | if (n > 0) | |
61 | { | |
62 | while (pos < ZV && n--) INC_POS (pos); | |
63 | if (pos < ZV) n++; | |
64 | } | |
65 | else | |
66 | { | |
67 | while (pos > BEGV && n++) DEC_POS (pos); | |
68 | if (pos > BEGV) n--; | |
69 | } | |
70 | } | |
71 | pos += n; | |
72 | ||
73 | return pos; | |
74 | } | |
75 | ||
76 | DEFUN ("forward-point", Fforward_point, Sforward_point, 1, 1, 0, | |
77 | "Return buffer position N characters after (before if N negative) point.") | |
78 | (n) | |
79 | Lisp_Object n; | |
80 | { | |
81 | CHECK_NUMBER (n, 0); | |
82 | ||
83 | return make_number (forward_point (XINT (n))); | |
84 | } | |
85 | ||
cd645247 | 86 | DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "p", |
72d5f589 | 87 | "Move point right N characters (left if N is negative).\n\ |
cd645247 | 88 | On reaching end of buffer, stop and signal error.") |
72d5f589 EN |
89 | (n) |
90 | Lisp_Object n; | |
cd645247 | 91 | { |
72d5f589 EN |
92 | if (NILP (n)) |
93 | XSETFASTINT (n, 1); | |
cd645247 | 94 | else |
72d5f589 | 95 | CHECK_NUMBER (n, 0); |
cd645247 | 96 | |
72d5f589 | 97 | /* This used to just set point to point + XINT (n), and then check |
7b502dc3 JB |
98 | to see if it was within boundaries. But now that SET_PT can |
99 | potentially do a lot of stuff (calling entering and exiting | |
100 | hooks, etcetera), that's not a good approach. So we validate the | |
101 | proposed position, then set point. */ | |
102 | { | |
9e4fd67b | 103 | int new_point = forward_point (XINT (n)); |
7b502dc3 JB |
104 | |
105 | if (new_point < BEGV) | |
106 | { | |
107 | SET_PT (BEGV); | |
108 | Fsignal (Qbeginning_of_buffer, Qnil); | |
109 | } | |
110 | if (new_point > ZV) | |
111 | { | |
112 | SET_PT (ZV); | |
113 | Fsignal (Qend_of_buffer, Qnil); | |
114 | } | |
115 | ||
116 | SET_PT (new_point); | |
117 | } | |
118 | ||
cd645247 JB |
119 | return Qnil; |
120 | } | |
121 | ||
122 | DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "p", | |
72d5f589 | 123 | "Move point left N characters (right if N is negative).\n\ |
cd645247 | 124 | On attempt to pass beginning or end of buffer, stop and signal error.") |
72d5f589 EN |
125 | (n) |
126 | Lisp_Object n; | |
cd645247 | 127 | { |
72d5f589 EN |
128 | if (NILP (n)) |
129 | XSETFASTINT (n, 1); | |
cd645247 | 130 | else |
72d5f589 | 131 | CHECK_NUMBER (n, 0); |
cd645247 | 132 | |
72d5f589 EN |
133 | XSETINT (n, - XINT (n)); |
134 | return Fforward_char (n); | |
cd645247 JB |
135 | } |
136 | ||
137 | DEFUN ("forward-line", Fforward_line, Sforward_line, 0, 1, "p", | |
72d5f589 EN |
138 | "Move N lines forward (backward if N is negative).\n\ |
139 | Precisely, if point is on line I, move to the start of line I + N.\n\ | |
cd645247 JB |
140 | If there isn't room, go as far as possible (no error).\n\ |
141 | Returns the count of lines left to move. If moving forward,\n\ | |
72d5f589 EN |
142 | that is N - number of lines moved; if backward, N + number moved.\n\ |
143 | With positive N, a non-empty line at the end counts as one line\n\ | |
cd645247 JB |
144 | successfully moved (for the return value).") |
145 | (n) | |
146 | Lisp_Object n; | |
147 | { | |
6ec8bbd2 | 148 | int pos2 = PT; |
cd645247 JB |
149 | int pos; |
150 | int count, shortage, negp; | |
151 | ||
265a9e55 | 152 | if (NILP (n)) |
cd645247 JB |
153 | count = 1; |
154 | else | |
155 | { | |
156 | CHECK_NUMBER (n, 0); | |
157 | count = XINT (n); | |
158 | } | |
159 | ||
160 | negp = count <= 0; | |
4f5d0c3c | 161 | pos = scan_buffer ('\n', pos2, 0, count - negp, &shortage, 1); |
cd645247 JB |
162 | if (shortage > 0 |
163 | && (negp | |
502ddf23 JB |
164 | || (ZV > BEGV |
165 | && pos != pos2 | |
9e4fd67b | 166 | && FETCH_BYTE (pos - 1) != '\n'))) |
cd645247 JB |
167 | shortage--; |
168 | SET_PT (pos); | |
169 | return make_number (negp ? - shortage : shortage); | |
170 | } | |
171 | ||
172 | DEFUN ("beginning-of-line", Fbeginning_of_line, Sbeginning_of_line, | |
173 | 0, 1, "p", | |
174 | "Move point to beginning of current line.\n\ | |
72d5f589 | 175 | With argument N not nil or 1, move forward N - 1 lines first.\n\ |
cd645247 JB |
176 | If scan reaches end of buffer, stop there without error.") |
177 | (n) | |
178 | Lisp_Object n; | |
179 | { | |
265a9e55 | 180 | if (NILP (n)) |
48c7cef2 | 181 | XSETFASTINT (n, 1); |
cd645247 JB |
182 | else |
183 | CHECK_NUMBER (n, 0); | |
184 | ||
38b294ca | 185 | SET_PT (XINT (Fline_beginning_position (n))); |
cd645247 JB |
186 | return Qnil; |
187 | } | |
188 | ||
189 | DEFUN ("end-of-line", Fend_of_line, Send_of_line, | |
190 | 0, 1, "p", | |
191 | "Move point to end of current line.\n\ | |
72d5f589 | 192 | With argument N not nil or 1, move forward N - 1 lines first.\n\ |
cd645247 JB |
193 | If scan reaches end of buffer, stop there without error.") |
194 | (n) | |
195 | Lisp_Object n; | |
196 | { | |
197 | register int pos; | |
198 | register int stop; | |
199 | ||
265a9e55 | 200 | if (NILP (n)) |
48c7cef2 | 201 | XSETFASTINT (n, 1); |
cd645247 JB |
202 | else |
203 | CHECK_NUMBER (n, 0); | |
204 | ||
38b294ca | 205 | SET_PT (XINT (Fline_end_position (n))); |
cd645247 JB |
206 | |
207 | return Qnil; | |
208 | } | |
209 | ||
210 | DEFUN ("delete-char", Fdelete_char, Sdelete_char, 1, 2, "p\nP", | |
72d5f589 | 211 | "Delete the following N characters (previous if N is negative).\n\ |
cd645247 | 212 | Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\ |
72d5f589 EN |
213 | Interactively, N is the prefix arg, and KILLFLAG is set if\n\ |
214 | N was explicitly specified.") | |
cd645247 JB |
215 | (n, killflag) |
216 | Lisp_Object n, killflag; | |
217 | { | |
9e4fd67b KH |
218 | int pos; |
219 | ||
cd645247 JB |
220 | CHECK_NUMBER (n, 0); |
221 | ||
9e4fd67b | 222 | pos = forward_point (XINT (n)); |
265a9e55 | 223 | if (NILP (killflag)) |
cd645247 JB |
224 | { |
225 | if (XINT (n) < 0) | |
226 | { | |
9e4fd67b | 227 | if (pos < BEGV) |
cd645247 JB |
228 | Fsignal (Qbeginning_of_buffer, Qnil); |
229 | else | |
9e4fd67b | 230 | del_range (pos, PT); |
cd645247 JB |
231 | } |
232 | else | |
233 | { | |
9e4fd67b | 234 | if (pos > ZV) |
cd645247 JB |
235 | Fsignal (Qend_of_buffer, Qnil); |
236 | else | |
9e4fd67b | 237 | del_range (PT, pos); |
cd645247 JB |
238 | } |
239 | } | |
240 | else | |
241 | { | |
242 | call1 (Qkill_forward_chars, n); | |
243 | } | |
244 | return Qnil; | |
245 | } | |
246 | ||
247 | DEFUN ("delete-backward-char", Fdelete_backward_char, Sdelete_backward_char, | |
248 | 1, 2, "p\nP", | |
72d5f589 | 249 | "Delete the previous N characters (following if N is negative).\n\ |
cd645247 | 250 | Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\ |
72d5f589 EN |
251 | Interactively, N is the prefix arg, and KILLFLAG is set if\n\ |
252 | N was explicitly specified.") | |
cd645247 JB |
253 | (n, killflag) |
254 | Lisp_Object n, killflag; | |
255 | { | |
aa970069 | 256 | Lisp_Object value; |
7c983171 | 257 | int deleted_special = 0; |
9e4fd67b | 258 | int pos, i; |
aa970069 | 259 | |
cd645247 | 260 | CHECK_NUMBER (n, 0); |
aa970069 | 261 | |
7c983171 | 262 | /* See if we are about to delete a tab or newline backwards. */ |
9e4fd67b KH |
263 | pos = PT; |
264 | for (i = 0; i < XINT (n) && pos > BEGV; i++) | |
aa970069 | 265 | { |
9e4fd67b KH |
266 | int c; |
267 | ||
268 | DEC_POS (pos); | |
269 | c = FETCH_BYTE (pos); | |
270 | if (c == '\t' || c == '\n') | |
aa970069 | 271 | { |
7c983171 | 272 | deleted_special = 1; |
aa970069 RS |
273 | break; |
274 | } | |
275 | } | |
276 | ||
aa970069 RS |
277 | /* In overwrite mode, back over columns while clearing them out, |
278 | unless at end of line. */ | |
279 | if (XINT (n) > 0 | |
280 | && ! NILP (current_buffer->overwrite_mode) | |
7c983171 | 281 | && ! deleted_special |
9e4fd67b | 282 | && ! (PT == ZV || FETCH_BYTE (PT) == '\n')) |
aa970069 | 283 | { |
9e4fd67b KH |
284 | int column = current_column (); |
285 | ||
286 | value = Fdelete_char (make_number (-XINT (n)), killflag); | |
287 | i = column - current_column (); | |
cac55749 | 288 | Finsert_char (make_number (' '), make_number (i), Qnil); |
9e4fd67b | 289 | SET_PT (PT - i); |
aa970069 | 290 | } |
9e4fd67b KH |
291 | else |
292 | value = Fdelete_char (make_number (-XINT (n)), killflag); | |
aa970069 RS |
293 | |
294 | return value; | |
cd645247 JB |
295 | } |
296 | ||
297 | DEFUN ("self-insert-command", Fself_insert_command, Sself_insert_command, 1, 1, "p", | |
298 | "Insert the character you type.\n\ | |
299 | Whichever character you type to run this command is inserted.") | |
72d5f589 EN |
300 | (n) |
301 | Lisp_Object n; | |
cd645247 | 302 | { |
a22ca1e0 RS |
303 | int character = XINT (last_command_char); |
304 | ||
72d5f589 | 305 | CHECK_NUMBER (n, 0); |
cd645247 JB |
306 | |
307 | /* Barf if the key that invoked this was not a character. */ | |
ed76f667 | 308 | if (!INTEGERP (last_command_char)) |
cd645247 | 309 | bitch_at_user (); |
72d5f589 | 310 | else if (XINT (n) >= 2 && NILP (current_buffer->overwrite_mode)) |
2718dfa4 | 311 | { |
a22ca1e0 RS |
312 | int modified_char = character; |
313 | /* Add the offset to the character, for Finsert_char. | |
314 | We pass internal_self_insert the unmodified character | |
315 | because it itself does this offsetting. */ | |
316 | if (modified_char >= 0200 && modified_char <= 0377 | |
317 | && ! NILP (current_buffer->enable_multibyte_characters)) | |
318 | modified_char += nonascii_insert_offset; | |
319 | ||
72d5f589 | 320 | XSETFASTINT (n, XFASTINT (n) - 2); |
2718dfa4 | 321 | /* The first one might want to expand an abbrev. */ |
a22ca1e0 | 322 | internal_self_insert (character, 1); |
2718dfa4 RS |
323 | /* The bulk of the copies of this char can be inserted simply. |
324 | We don't have to handle a user-specified face specially | |
325 | because it will get inherited from the first char inserted. */ | |
a22ca1e0 | 326 | Finsert_char (make_number (modified_char), n, Qt); |
2718dfa4 | 327 | /* The last one might want to auto-fill. */ |
a22ca1e0 | 328 | internal_self_insert (character, 0); |
2718dfa4 | 329 | } |
cd645247 | 330 | else |
72d5f589 | 331 | while (XINT (n) > 0) |
cd645247 | 332 | { |
f58dd69b | 333 | /* Ok since old and new vals both nonneg */ |
72d5f589 | 334 | XSETFASTINT (n, XFASTINT (n) - 1); |
a22ca1e0 | 335 | internal_self_insert (character, XFASTINT (n) != 0); |
cd645247 JB |
336 | } |
337 | ||
338 | return Qnil; | |
339 | } | |
340 | ||
9e4fd67b | 341 | /* Insert character C. If NOAUTOFILL is nonzero, don't do autofill |
4c6e656f RS |
342 | even if it is enabled. |
343 | ||
344 | If this insertion is suitable for direct output (completely simple), | |
aa52fef9 RS |
345 | return 0. A value of 1 indicates this *might* not have been simple. |
346 | A value of 2 means this did things that call for an undo boundary. */ | |
4c6e656f | 347 | |
9e4fd67b KH |
348 | internal_self_insert (c, noautofill) |
349 | int c; | |
cd645247 JB |
350 | int noautofill; |
351 | { | |
352 | extern Lisp_Object Fexpand_abbrev (); | |
353 | int hairy = 0; | |
354 | Lisp_Object tem; | |
355 | register enum syntaxcode synt; | |
e744155a | 356 | Lisp_Object overwrite, string; |
9e4fd67b KH |
357 | /* Length of multi-byte form of C. */ |
358 | int len; | |
359 | /* Working buffer and pointer for multi-byte form of C. */ | |
360 | unsigned char workbuf[4], *str; | |
e744155a RS |
361 | int number_to_delete = 0; |
362 | int spaces_to_insert = 0; | |
cd645247 | 363 | |
a22ca1e0 RS |
364 | if (c >= 0200 && c <= 0377 |
365 | && ! NILP (current_buffer->enable_multibyte_characters)) | |
366 | c += nonascii_insert_offset; | |
367 | ||
e7aacab7 | 368 | overwrite = current_buffer->overwrite_mode; |
166a4263 RS |
369 | if (!NILP (Vbefore_change_function) || !NILP (Vafter_change_function) |
370 | || !NILP (Vbefore_change_functions) || !NILP (Vafter_change_functions)) | |
cd645247 JB |
371 | hairy = 1; |
372 | ||
9e4fd67b KH |
373 | /* At first, get multi-byte form of C in STR. */ |
374 | if (!NILP (current_buffer->enable_multibyte_characters)) | |
375 | len = CHAR_STRING (c, workbuf, str); | |
376 | else | |
377 | workbuf[0] = c, str = workbuf, len = 1; | |
378 | ||
6bbb0d4a | 379 | if (!NILP (overwrite) |
9e4fd67b | 380 | && PT < ZV) |
cd645247 | 381 | { |
9e4fd67b KH |
382 | /* In overwrite-mode, we substitute a character at point (C2, |
383 | hereafter) by C. For that, we delete C2 in advance. But, | |
384 | just substituting C2 by C may move a remaining text in the | |
385 | line to the right or to the left, which is not preferable. | |
386 | So we insert more spaces or delete more characters in the | |
387 | following cases: if C is narrower than C2, after deleting C2, | |
388 | we fill columns with spaces, if C is wider than C2, we delete | |
389 | C2 and several characters following C2. */ | |
390 | ||
391 | /* A code at `point'. Since this is checked only against | |
392 | NEWLINE and TAB, we don't need a character code but only the | |
393 | first byte of multi-byte form. */ | |
394 | unsigned char c2 = FETCH_BYTE (PT); | |
395 | /* A column the cursor should be placed at after this insertion. | |
396 | The correct value should be calculated only when necessary. */ | |
397 | int target_clm = 0; | |
398 | ||
399 | /* Overwriting in binary-mode always substitute C2 by C. But, | |
400 | overwriting in textual-mode does this substitution in the | |
401 | case that C is not NEWLINE and C2 is not NEWLINE nor TAB. If | |
402 | C2 is TAB, the substitution is done only when C2 is currently | |
403 | expanded to 0 column, or more than 20 columns, or more than | |
404 | the width of C. */ | |
405 | if (EQ (overwrite, Qoverwrite_mode_binary) | |
406 | || (c != '\n' | |
407 | && c2 != '\n' | |
408 | && (target_clm = current_column() + WIDTH_BY_CHAR_HEAD (str[0]), | |
409 | (c2 != '\t' | |
410 | || XINT (current_buffer->tab_width) <= 0 | |
411 | || XFASTINT (current_buffer->tab_width) > 20 | |
412 | || !(target_clm % XFASTINT (current_buffer->tab_width)))))) | |
413 | { | |
e744155a RS |
414 | int pos = PT; |
415 | ||
9e4fd67b | 416 | if (target_clm == 0) |
e744155a | 417 | number_to_delete = forward_point (1) - PT; |
9e4fd67b KH |
418 | else |
419 | { | |
9e4fd67b KH |
420 | /* The actual cursor position after the trial of moving |
421 | to column TARGET_CLM. It is greater than TARGET_CLM | |
422 | if the TARGET_CLM is middle of multi-column | |
423 | character. In that case, the new point is set after | |
424 | that character. */ | |
cac55749 RS |
425 | int actual_clm |
426 | = XFASTINT (Fmove_to_column (make_number (target_clm), Qnil)); | |
9e4fd67b | 427 | |
e744155a RS |
428 | number_to_delete = PT - pos; |
429 | ||
9e4fd67b KH |
430 | if (actual_clm > target_clm) |
431 | { | |
e744155a | 432 | /* We will delete too many columns. Let's fill columns |
9e4fd67b | 433 | by spaces so that the remaining text won't move. */ |
e744155a | 434 | spaces_to_insert = actual_clm - target_clm; |
9e4fd67b KH |
435 | } |
436 | } | |
e744155a | 437 | SET_PT (pos); |
9e4fd67b KH |
438 | hairy = 2; |
439 | } | |
aa52fef9 | 440 | hairy = 2; |
cd645247 | 441 | } |
265a9e55 | 442 | if (!NILP (current_buffer->abbrev_mode) |
cd645247 | 443 | && SYNTAX (c) != Sword |
265a9e55 | 444 | && NILP (current_buffer->read_only) |
9e4fd67b | 445 | && PT > BEGV && SYNTAX (XFASTINT (Fprevious_char ())) == Sword) |
cd645247 | 446 | { |
ee8caabb | 447 | int modiff = MODIFF; |
e57640c0 RS |
448 | Lisp_Object sym; |
449 | ||
450 | sym = Fexpand_abbrev (); | |
451 | ||
452 | /* If we expanded an abbrev which has only a hook, | |
9317a902 | 453 | and the hook has a non-nil `no-self-insert' property, |
e57640c0 | 454 | return right away--don't really self-insert. */ |
9317a902 RS |
455 | if (! NILP (sym) && ! NILP (XSYMBOL (sym)->function) |
456 | && SYMBOLP (XSYMBOL (sym)->function)) | |
e57640c0 RS |
457 | { |
458 | Lisp_Object prop; | |
9317a902 | 459 | prop = Fget (XSYMBOL (sym)->function, intern ("no-self-insert")); |
e57640c0 | 460 | if (! NILP (prop)) |
6787d111 | 461 | return 1; |
e57640c0 RS |
462 | } |
463 | ||
ee8caabb | 464 | if (MODIFF != modiff) |
aa52fef9 | 465 | hairy = 2; |
cd645247 | 466 | } |
e744155a RS |
467 | |
468 | if (number_to_delete) | |
469 | { | |
470 | string = make_string (str, len); | |
471 | if (spaces_to_insert) | |
472 | { | |
473 | tem = Fmake_string (make_number (spaces_to_insert), | |
474 | make_number (' ')); | |
475 | string = concat2 (tem, string); | |
476 | } | |
477 | ||
478 | replace_range (PT, PT + number_to_delete, string, 1, 1); | |
479 | SET_PT (PT + XSTRING (string)->size); | |
480 | } | |
481 | else | |
482 | insert_and_inherit (str, len); | |
483 | ||
cd645247 JB |
484 | if ((c == ' ' || c == '\n') |
485 | && !noautofill | |
3de15b7a | 486 | && !NILP (current_buffer->auto_fill_function)) |
cd645247 | 487 | { |
76bb6dbb KH |
488 | Lisp_Object tem; |
489 | ||
9e4fd67b | 490 | if (c == '\n') |
2e16553c BG |
491 | /* After inserting a newline, move to previous line and fill */ |
492 | /* that. Must have the newline in place already so filling and */ | |
493 | /* justification, if any, know where the end is going to be. */ | |
6ec8bbd2 | 494 | SET_PT (PT - 1); |
76bb6dbb | 495 | tem = call0 (current_buffer->auto_fill_function); |
9e4fd67b | 496 | if (c == '\n') |
6ec8bbd2 | 497 | SET_PT (PT + 1); |
76bb6dbb KH |
498 | if (!NILP (tem)) |
499 | hairy = 2; | |
cd645247 | 500 | } |
189fad68 | 501 | |
38d404db | 502 | #ifdef HAVE_FACES |
189fad68 RS |
503 | /* If previous command specified a face to use, use it. */ |
504 | if (!NILP (Vself_insert_face) | |
346e0c2d | 505 | && EQ (current_kboard->Vlast_command, Vself_insert_face_command)) |
189fad68 RS |
506 | { |
507 | Lisp_Object before, after; | |
9e4fd67b | 508 | XSETINT (before, PT - len); |
189fad68 RS |
509 | XSETINT (after, PT); |
510 | Fput_text_property (before, after, Qface, Vself_insert_face, Qnil); | |
511 | Vself_insert_face = Qnil; | |
512 | } | |
38d404db | 513 | #endif |
e744155a | 514 | |
cd645247 JB |
515 | synt = SYNTAX (c); |
516 | if ((synt == Sclose || synt == Smath) | |
2718dfa4 RS |
517 | && !NILP (Vblink_paren_function) && INTERACTIVE |
518 | && !noautofill) | |
cd645247 JB |
519 | { |
520 | call0 (Vblink_paren_function); | |
aa52fef9 | 521 | hairy = 2; |
cd645247 JB |
522 | } |
523 | return hairy; | |
524 | } | |
525 | \f | |
526 | /* module initialization */ | |
527 | ||
528 | syms_of_cmds () | |
529 | { | |
530 | Qkill_backward_chars = intern ("kill-backward-chars"); | |
531 | staticpro (&Qkill_backward_chars); | |
532 | ||
533 | Qkill_forward_chars = intern ("kill-forward-chars"); | |
534 | staticpro (&Qkill_forward_chars); | |
535 | ||
6bbb0d4a JB |
536 | Qoverwrite_mode_binary = intern ("overwrite-mode-binary"); |
537 | staticpro (&Qoverwrite_mode_binary); | |
e686c647 | 538 | |
189fad68 RS |
539 | DEFVAR_LISP ("self-insert-face", &Vself_insert_face, |
540 | "If non-nil, set the face of the next self-inserting character to this.\n\ | |
541 | See also `self-insert-face-command'."); | |
542 | Vself_insert_face = Qnil; | |
543 | ||
544 | DEFVAR_LISP ("self-insert-face-command", &Vself_insert_face_command, | |
545 | "This is the command that set up `self-insert-face'.\n\ | |
546 | If `last-command' does not equal this value, we ignore `self-insert-face'."); | |
547 | Vself_insert_face_command = Qnil; | |
548 | ||
cd645247 JB |
549 | DEFVAR_LISP ("blink-paren-function", &Vblink_paren_function, |
550 | "Function called, if non-nil, whenever a close parenthesis is inserted.\n\ | |
551 | More precisely, a char with closeparen syntax is self-inserted."); | |
552 | Vblink_paren_function = Qnil; | |
553 | ||
a22ca1e0 RS |
554 | DEFVAR_INT ("nonascii-insert-offset", &nonascii_insert_offset, |
555 | "Offset to add to a non-ascii code 0200...0377 when inserting it.\n\ | |
556 | This applies only when multibyte characters are enabled, and it serves\n\ | |
557 | to convert a Latin-1 or similar 8-bit character code to the corresponding\n\ | |
558 | Emacs character code."); | |
559 | nonascii_insert_offset = 0; | |
560 | ||
9e4fd67b | 561 | defsubr (&Sforward_point); |
cd645247 JB |
562 | defsubr (&Sforward_char); |
563 | defsubr (&Sbackward_char); | |
564 | defsubr (&Sforward_line); | |
565 | defsubr (&Sbeginning_of_line); | |
566 | defsubr (&Send_of_line); | |
567 | ||
568 | defsubr (&Sdelete_char); | |
569 | defsubr (&Sdelete_backward_char); | |
570 | ||
571 | defsubr (&Sself_insert_command); | |
cd645247 JB |
572 | } |
573 | ||
574 | keys_of_cmds () | |
575 | { | |
576 | int n; | |
577 | ||
cbf65115 | 578 | initial_define_key (global_map, Ctl ('I'), "self-insert-command"); |
cd645247 JB |
579 | for (n = 040; n < 0177; n++) |
580 | initial_define_key (global_map, n, "self-insert-command"); | |
cf9cdc11 RS |
581 | #ifdef MSDOS |
582 | for (n = 0200; n < 0240; n++) | |
583 | initial_define_key (global_map, n, "self-insert-command"); | |
584 | #endif | |
94748cb9 | 585 | for (n = 0240; n < 0400; n++) |
eb46da6a | 586 | initial_define_key (global_map, n, "self-insert-command"); |
cd645247 JB |
587 | |
588 | initial_define_key (global_map, Ctl ('A'), "beginning-of-line"); | |
589 | initial_define_key (global_map, Ctl ('B'), "backward-char"); | |
590 | initial_define_key (global_map, Ctl ('D'), "delete-char"); | |
591 | initial_define_key (global_map, Ctl ('E'), "end-of-line"); | |
592 | initial_define_key (global_map, Ctl ('F'), "forward-char"); | |
593 | initial_define_key (global_map, 0177, "delete-backward-char"); | |
594 | } |