Commit | Line | Data |
---|---|---|
cd645247 | 1 | /* Simple built-in editing commands. |
4a2f9c6a | 2 | Copyright (C) 1985, 93, 94, 95, 96, 97, 1998 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 | ||
189fad68 | 42 | extern Lisp_Object Qface; |
cd645247 | 43 | \f |
9e4fd67b KH |
44 | DEFUN ("forward-point", Fforward_point, Sforward_point, 1, 1, 0, |
45 | "Return buffer position N characters after (before if N negative) point.") | |
46 | (n) | |
47 | Lisp_Object n; | |
48 | { | |
49 | CHECK_NUMBER (n, 0); | |
50 | ||
049749e6 | 51 | return make_number (PT + XINT (n)); |
9e4fd67b KH |
52 | } |
53 | ||
cd645247 | 54 | DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "p", |
72d5f589 | 55 | "Move point right N characters (left if N is negative).\n\ |
cd645247 | 56 | On reaching end of buffer, stop and signal error.") |
72d5f589 EN |
57 | (n) |
58 | Lisp_Object n; | |
cd645247 | 59 | { |
72d5f589 EN |
60 | if (NILP (n)) |
61 | XSETFASTINT (n, 1); | |
cd645247 | 62 | else |
72d5f589 | 63 | CHECK_NUMBER (n, 0); |
cd645247 | 64 | |
72d5f589 | 65 | /* This used to just set point to point + XINT (n), and then check |
7b502dc3 JB |
66 | to see if it was within boundaries. But now that SET_PT can |
67 | potentially do a lot of stuff (calling entering and exiting | |
68 | hooks, etcetera), that's not a good approach. So we validate the | |
69 | proposed position, then set point. */ | |
70 | { | |
049749e6 | 71 | int new_point = PT + XINT (n); |
7b502dc3 JB |
72 | |
73 | if (new_point < BEGV) | |
74 | { | |
75 | SET_PT (BEGV); | |
76 | Fsignal (Qbeginning_of_buffer, Qnil); | |
77 | } | |
78 | if (new_point > ZV) | |
79 | { | |
80 | SET_PT (ZV); | |
81 | Fsignal (Qend_of_buffer, Qnil); | |
82 | } | |
83 | ||
84 | SET_PT (new_point); | |
85 | } | |
86 | ||
cd645247 JB |
87 | return Qnil; |
88 | } | |
89 | ||
90 | DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "p", | |
72d5f589 | 91 | "Move point left N characters (right if N is negative).\n\ |
cd645247 | 92 | On attempt to pass beginning or end of buffer, stop and signal error.") |
72d5f589 EN |
93 | (n) |
94 | Lisp_Object n; | |
cd645247 | 95 | { |
72d5f589 EN |
96 | if (NILP (n)) |
97 | XSETFASTINT (n, 1); | |
cd645247 | 98 | else |
72d5f589 | 99 | CHECK_NUMBER (n, 0); |
cd645247 | 100 | |
72d5f589 EN |
101 | XSETINT (n, - XINT (n)); |
102 | return Fforward_char (n); | |
cd645247 JB |
103 | } |
104 | ||
105 | DEFUN ("forward-line", Fforward_line, Sforward_line, 0, 1, "p", | |
72d5f589 EN |
106 | "Move N lines forward (backward if N is negative).\n\ |
107 | Precisely, if point is on line I, move to the start of line I + N.\n\ | |
cd645247 JB |
108 | If there isn't room, go as far as possible (no error).\n\ |
109 | Returns the count of lines left to move. If moving forward,\n\ | |
72d5f589 EN |
110 | that is N - number of lines moved; if backward, N + number moved.\n\ |
111 | With positive N, a non-empty line at the end counts as one line\n\ | |
cd645247 JB |
112 | successfully moved (for the return value).") |
113 | (n) | |
114 | Lisp_Object n; | |
115 | { | |
049749e6 RS |
116 | int opoint = PT, opoint_byte = PT_BYTE; |
117 | int pos, pos_byte; | |
118 | int count, shortage; | |
119 | int temp; | |
cd645247 | 120 | |
265a9e55 | 121 | if (NILP (n)) |
cd645247 JB |
122 | count = 1; |
123 | else | |
124 | { | |
125 | CHECK_NUMBER (n, 0); | |
126 | count = XINT (n); | |
127 | } | |
128 | ||
049749e6 RS |
129 | if (count <= 0) |
130 | shortage = scan_newline (PT, PT_BYTE, BEGV, BEGV_BYTE, count - 1, 1); | |
131 | else | |
132 | shortage = scan_newline (PT, PT_BYTE, ZV, ZV_BYTE, count, 1); | |
133 | ||
134 | /* Since scan_newline does TEMP_SET_PT_BOTH, | |
135 | and we want to set PT "for real", | |
136 | go back to the old point and then come back here. */ | |
137 | pos = PT; | |
138 | pos_byte = PT_BYTE; | |
139 | TEMP_SET_PT_BOTH (opoint, opoint_byte); | |
140 | SET_PT_BOTH (pos, pos_byte); | |
141 | ||
cd645247 | 142 | if (shortage > 0 |
049749e6 | 143 | && (count <= 0 |
502ddf23 | 144 | || (ZV > BEGV |
049749e6 RS |
145 | && PT != opoint |
146 | && (FETCH_BYTE (PT_BYTE - 1) != '\n')))) | |
cd645247 | 147 | shortage--; |
049749e6 RS |
148 | |
149 | return make_number (count <= 0 ? - shortage : shortage); | |
cd645247 JB |
150 | } |
151 | ||
152 | DEFUN ("beginning-of-line", Fbeginning_of_line, Sbeginning_of_line, | |
153 | 0, 1, "p", | |
154 | "Move point to beginning of current line.\n\ | |
72d5f589 | 155 | With argument N not nil or 1, move forward N - 1 lines first.\n\ |
cd645247 JB |
156 | If scan reaches end of buffer, stop there without error.") |
157 | (n) | |
158 | Lisp_Object n; | |
159 | { | |
265a9e55 | 160 | if (NILP (n)) |
48c7cef2 | 161 | XSETFASTINT (n, 1); |
cd645247 JB |
162 | else |
163 | CHECK_NUMBER (n, 0); | |
164 | ||
38b294ca | 165 | SET_PT (XINT (Fline_beginning_position (n))); |
cd645247 JB |
166 | return Qnil; |
167 | } | |
168 | ||
169 | DEFUN ("end-of-line", Fend_of_line, Send_of_line, | |
170 | 0, 1, "p", | |
171 | "Move point to end of current line.\n\ | |
72d5f589 | 172 | With argument N not nil or 1, move forward N - 1 lines first.\n\ |
cd645247 JB |
173 | If scan reaches end of buffer, stop there without error.") |
174 | (n) | |
175 | Lisp_Object n; | |
176 | { | |
177 | register int pos; | |
178 | register int stop; | |
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_end_position (n))); |
cd645247 JB |
186 | |
187 | return Qnil; | |
188 | } | |
189 | ||
190 | DEFUN ("delete-char", Fdelete_char, Sdelete_char, 1, 2, "p\nP", | |
72d5f589 | 191 | "Delete the following N characters (previous if N is negative).\n\ |
cd645247 | 192 | Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\ |
72d5f589 EN |
193 | Interactively, N is the prefix arg, and KILLFLAG is set if\n\ |
194 | N was explicitly specified.") | |
cd645247 JB |
195 | (n, killflag) |
196 | Lisp_Object n, killflag; | |
197 | { | |
9e4fd67b KH |
198 | int pos; |
199 | ||
cd645247 JB |
200 | CHECK_NUMBER (n, 0); |
201 | ||
049749e6 | 202 | pos = PT + XINT (n); |
265a9e55 | 203 | if (NILP (killflag)) |
cd645247 JB |
204 | { |
205 | if (XINT (n) < 0) | |
206 | { | |
9e4fd67b | 207 | if (pos < BEGV) |
cd645247 JB |
208 | Fsignal (Qbeginning_of_buffer, Qnil); |
209 | else | |
9e4fd67b | 210 | del_range (pos, PT); |
cd645247 JB |
211 | } |
212 | else | |
213 | { | |
9e4fd67b | 214 | if (pos > ZV) |
cd645247 JB |
215 | Fsignal (Qend_of_buffer, Qnil); |
216 | else | |
9e4fd67b | 217 | del_range (PT, pos); |
cd645247 JB |
218 | } |
219 | } | |
220 | else | |
221 | { | |
222 | call1 (Qkill_forward_chars, n); | |
223 | } | |
224 | return Qnil; | |
225 | } | |
226 | ||
227 | DEFUN ("delete-backward-char", Fdelete_backward_char, Sdelete_backward_char, | |
228 | 1, 2, "p\nP", | |
72d5f589 | 229 | "Delete the previous N characters (following if N is negative).\n\ |
cd645247 | 230 | Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\ |
72d5f589 EN |
231 | Interactively, N is the prefix arg, and KILLFLAG is set if\n\ |
232 | N was explicitly specified.") | |
cd645247 JB |
233 | (n, killflag) |
234 | Lisp_Object n, killflag; | |
235 | { | |
aa970069 | 236 | Lisp_Object value; |
7c983171 | 237 | int deleted_special = 0; |
ceb7e4f8 | 238 | int pos, pos_byte, i; |
aa970069 | 239 | |
cd645247 | 240 | CHECK_NUMBER (n, 0); |
aa970069 | 241 | |
7c983171 | 242 | /* See if we are about to delete a tab or newline backwards. */ |
ceb7e4f8 KH |
243 | pos = PT; |
244 | pos_byte = PT_BYTE; | |
245 | for (i = 0; i < XINT (n) && pos_byte > BEGV_BYTE; i++) | |
aa970069 | 246 | { |
9e4fd67b KH |
247 | int c; |
248 | ||
ceb7e4f8 KH |
249 | DEC_BOTH (pos, pos_byte); |
250 | c = FETCH_BYTE (pos_byte); | |
9e4fd67b | 251 | if (c == '\t' || c == '\n') |
aa970069 | 252 | { |
7c983171 | 253 | deleted_special = 1; |
aa970069 RS |
254 | break; |
255 | } | |
256 | } | |
257 | ||
aa970069 RS |
258 | /* In overwrite mode, back over columns while clearing them out, |
259 | unless at end of line. */ | |
260 | if (XINT (n) > 0 | |
261 | && ! NILP (current_buffer->overwrite_mode) | |
7c983171 | 262 | && ! deleted_special |
049749e6 | 263 | && ! (PT == ZV || FETCH_BYTE (PT_BYTE) == '\n')) |
aa970069 | 264 | { |
9e4fd67b KH |
265 | int column = current_column (); |
266 | ||
267 | value = Fdelete_char (make_number (-XINT (n)), killflag); | |
268 | i = column - current_column (); | |
cac55749 | 269 | Finsert_char (make_number (' '), make_number (i), Qnil); |
049749e6 RS |
270 | /* Whitespace chars are ASCII chars, so we can simply subtract. */ |
271 | SET_PT_BOTH (PT - i, PT_BYTE - i); | |
aa970069 | 272 | } |
9e4fd67b KH |
273 | else |
274 | value = Fdelete_char (make_number (-XINT (n)), killflag); | |
aa970069 RS |
275 | |
276 | return value; | |
cd645247 JB |
277 | } |
278 | ||
279 | DEFUN ("self-insert-command", Fself_insert_command, Sself_insert_command, 1, 1, "p", | |
280 | "Insert the character you type.\n\ | |
281 | Whichever character you type to run this command is inserted.") | |
72d5f589 EN |
282 | (n) |
283 | Lisp_Object n; | |
cd645247 | 284 | { |
a22ca1e0 RS |
285 | int character = XINT (last_command_char); |
286 | ||
72d5f589 | 287 | CHECK_NUMBER (n, 0); |
cd645247 JB |
288 | |
289 | /* Barf if the key that invoked this was not a character. */ | |
ed76f667 | 290 | if (!INTEGERP (last_command_char)) |
cd645247 | 291 | bitch_at_user (); |
72d5f589 | 292 | else if (XINT (n) >= 2 && NILP (current_buffer->overwrite_mode)) |
2718dfa4 | 293 | { |
a22ca1e0 RS |
294 | int modified_char = character; |
295 | /* Add the offset to the character, for Finsert_char. | |
296 | We pass internal_self_insert the unmodified character | |
297 | because it itself does this offsetting. */ | |
49bc32b0 RS |
298 | if (! NILP (current_buffer->enable_multibyte_characters)) |
299 | modified_char = unibyte_char_to_multibyte (modified_char); | |
a22ca1e0 | 300 | |
72d5f589 | 301 | XSETFASTINT (n, XFASTINT (n) - 2); |
2718dfa4 | 302 | /* The first one might want to expand an abbrev. */ |
a22ca1e0 | 303 | internal_self_insert (character, 1); |
2718dfa4 RS |
304 | /* The bulk of the copies of this char can be inserted simply. |
305 | We don't have to handle a user-specified face specially | |
306 | because it will get inherited from the first char inserted. */ | |
a22ca1e0 | 307 | Finsert_char (make_number (modified_char), n, Qt); |
2718dfa4 | 308 | /* The last one might want to auto-fill. */ |
a22ca1e0 | 309 | internal_self_insert (character, 0); |
2718dfa4 | 310 | } |
cd645247 | 311 | else |
72d5f589 | 312 | while (XINT (n) > 0) |
cd645247 | 313 | { |
f58dd69b | 314 | /* Ok since old and new vals both nonneg */ |
72d5f589 | 315 | XSETFASTINT (n, XFASTINT (n) - 1); |
a22ca1e0 | 316 | internal_self_insert (character, XFASTINT (n) != 0); |
cd645247 JB |
317 | } |
318 | ||
319 | return Qnil; | |
320 | } | |
321 | ||
9e4fd67b | 322 | /* Insert character C. If NOAUTOFILL is nonzero, don't do autofill |
4c6e656f RS |
323 | even if it is enabled. |
324 | ||
325 | If this insertion is suitable for direct output (completely simple), | |
aa52fef9 RS |
326 | return 0. A value of 1 indicates this *might* not have been simple. |
327 | A value of 2 means this did things that call for an undo boundary. */ | |
4c6e656f | 328 | |
9e4fd67b KH |
329 | internal_self_insert (c, noautofill) |
330 | int c; | |
cd645247 JB |
331 | int noautofill; |
332 | { | |
333 | extern Lisp_Object Fexpand_abbrev (); | |
334 | int hairy = 0; | |
335 | Lisp_Object tem; | |
336 | register enum syntaxcode synt; | |
e744155a | 337 | Lisp_Object overwrite, string; |
9e4fd67b KH |
338 | /* Length of multi-byte form of C. */ |
339 | int len; | |
340 | /* Working buffer and pointer for multi-byte form of C. */ | |
341 | unsigned char workbuf[4], *str; | |
049749e6 | 342 | int chars_to_delete = 0; |
e744155a | 343 | int spaces_to_insert = 0; |
cd645247 | 344 | |
49bc32b0 RS |
345 | if (! NILP (current_buffer->enable_multibyte_characters)) |
346 | c = unibyte_char_to_multibyte (c); | |
a22ca1e0 | 347 | |
e7aacab7 | 348 | overwrite = current_buffer->overwrite_mode; |
166a4263 RS |
349 | if (!NILP (Vbefore_change_function) || !NILP (Vafter_change_function) |
350 | || !NILP (Vbefore_change_functions) || !NILP (Vafter_change_functions)) | |
cd645247 JB |
351 | hairy = 1; |
352 | ||
9e4fd67b KH |
353 | /* At first, get multi-byte form of C in STR. */ |
354 | if (!NILP (current_buffer->enable_multibyte_characters)) | |
355 | len = CHAR_STRING (c, workbuf, str); | |
356 | else | |
357 | workbuf[0] = c, str = workbuf, len = 1; | |
358 | ||
6bbb0d4a | 359 | if (!NILP (overwrite) |
9e4fd67b | 360 | && PT < ZV) |
cd645247 | 361 | { |
9e4fd67b KH |
362 | /* In overwrite-mode, we substitute a character at point (C2, |
363 | hereafter) by C. For that, we delete C2 in advance. But, | |
364 | just substituting C2 by C may move a remaining text in the | |
365 | line to the right or to the left, which is not preferable. | |
366 | So we insert more spaces or delete more characters in the | |
367 | following cases: if C is narrower than C2, after deleting C2, | |
368 | we fill columns with spaces, if C is wider than C2, we delete | |
369 | C2 and several characters following C2. */ | |
370 | ||
216b9443 RS |
371 | /* This is the character after point. */ |
372 | int c2 = FETCH_CHAR (PT_BYTE); | |
373 | ||
374 | /* Column the cursor should be placed at after this insertion. | |
9e4fd67b KH |
375 | The correct value should be calculated only when necessary. */ |
376 | int target_clm = 0; | |
377 | ||
37c0ed09 RS |
378 | /* Overwriting in binary-mode always replaces C2 by C. |
379 | Overwriting in textual-mode doesn't always do that. | |
380 | It inserts newlines in the usual way, | |
381 | and inserts any character at end of line | |
382 | or before a tab if it doesn't use the whole width of the tab. */ | |
9e4fd67b KH |
383 | if (EQ (overwrite, Qoverwrite_mode_binary) |
384 | || (c != '\n' | |
385 | && c2 != '\n' | |
37c0ed09 RS |
386 | && ! (c2 == '\t' |
387 | && XINT (current_buffer->tab_width) > 0 | |
388 | && XFASTINT (current_buffer->tab_width) < 20 | |
216b9443 RS |
389 | && (target_clm = (current_column () |
390 | + XINT (Fchar_width (make_number (c2)))), | |
37c0ed09 | 391 | target_clm % XFASTINT (current_buffer->tab_width))))) |
9e4fd67b | 392 | { |
e744155a | 393 | int pos = PT; |
049749e6 | 394 | int pos_byte = PT_BYTE; |
e744155a | 395 | |
9e4fd67b | 396 | if (target_clm == 0) |
049749e6 | 397 | chars_to_delete = 1; |
9e4fd67b KH |
398 | else |
399 | { | |
9e4fd67b KH |
400 | /* The actual cursor position after the trial of moving |
401 | to column TARGET_CLM. It is greater than TARGET_CLM | |
402 | if the TARGET_CLM is middle of multi-column | |
403 | character. In that case, the new point is set after | |
404 | that character. */ | |
cac55749 RS |
405 | int actual_clm |
406 | = XFASTINT (Fmove_to_column (make_number (target_clm), Qnil)); | |
9e4fd67b | 407 | |
049749e6 | 408 | chars_to_delete = PT - pos; |
e744155a | 409 | |
9e4fd67b KH |
410 | if (actual_clm > target_clm) |
411 | { | |
e744155a | 412 | /* We will delete too many columns. Let's fill columns |
9e4fd67b | 413 | by spaces so that the remaining text won't move. */ |
e744155a | 414 | spaces_to_insert = actual_clm - target_clm; |
9e4fd67b KH |
415 | } |
416 | } | |
049749e6 | 417 | SET_PT_BOTH (pos, pos_byte); |
9e4fd67b KH |
418 | hairy = 2; |
419 | } | |
aa52fef9 | 420 | hairy = 2; |
cd645247 | 421 | } |
265a9e55 | 422 | if (!NILP (current_buffer->abbrev_mode) |
cd645247 | 423 | && SYNTAX (c) != Sword |
265a9e55 | 424 | && NILP (current_buffer->read_only) |
9e4fd67b | 425 | && PT > BEGV && SYNTAX (XFASTINT (Fprevious_char ())) == Sword) |
cd645247 | 426 | { |
ee8caabb | 427 | int modiff = MODIFF; |
e57640c0 RS |
428 | Lisp_Object sym; |
429 | ||
430 | sym = Fexpand_abbrev (); | |
431 | ||
432 | /* If we expanded an abbrev which has only a hook, | |
9317a902 | 433 | and the hook has a non-nil `no-self-insert' property, |
e57640c0 | 434 | return right away--don't really self-insert. */ |
9317a902 RS |
435 | if (! NILP (sym) && ! NILP (XSYMBOL (sym)->function) |
436 | && SYMBOLP (XSYMBOL (sym)->function)) | |
e57640c0 RS |
437 | { |
438 | Lisp_Object prop; | |
9317a902 | 439 | prop = Fget (XSYMBOL (sym)->function, intern ("no-self-insert")); |
e57640c0 | 440 | if (! NILP (prop)) |
6787d111 | 441 | return 1; |
e57640c0 RS |
442 | } |
443 | ||
ee8caabb | 444 | if (MODIFF != modiff) |
aa52fef9 | 445 | hairy = 2; |
cd645247 | 446 | } |
e744155a | 447 | |
049749e6 | 448 | if (chars_to_delete) |
e744155a | 449 | { |
216b9443 | 450 | string = make_multibyte_string (str, 1, len); |
e744155a RS |
451 | if (spaces_to_insert) |
452 | { | |
453 | tem = Fmake_string (make_number (spaces_to_insert), | |
454 | make_number (' ')); | |
455 | string = concat2 (tem, string); | |
456 | } | |
457 | ||
049749e6 RS |
458 | replace_range (PT, PT + chars_to_delete, string, 1, 1); |
459 | SET_PT_BOTH (PT + 1 + spaces_to_insert, | |
460 | PT_BYTE + XSTRING (string)->size); | |
e744155a RS |
461 | } |
462 | else | |
463 | insert_and_inherit (str, len); | |
464 | ||
cd645247 JB |
465 | if ((c == ' ' || c == '\n') |
466 | && !noautofill | |
3de15b7a | 467 | && !NILP (current_buffer->auto_fill_function)) |
cd645247 | 468 | { |
76bb6dbb KH |
469 | Lisp_Object tem; |
470 | ||
9e4fd67b | 471 | if (c == '\n') |
049749e6 RS |
472 | /* After inserting a newline, move to previous line and fill |
473 | that. Must have the newline in place already so filling and | |
474 | justification, if any, know where the end is going to be. */ | |
475 | SET_PT_BOTH (PT - 1, PT_BYTE - 1); | |
76bb6dbb | 476 | tem = call0 (current_buffer->auto_fill_function); |
9e4fd67b | 477 | if (c == '\n') |
049749e6 | 478 | SET_PT_BOTH (PT + 1, PT_BYTE + 1); |
76bb6dbb KH |
479 | if (!NILP (tem)) |
480 | hairy = 2; | |
cd645247 | 481 | } |
189fad68 | 482 | |
38d404db | 483 | #ifdef HAVE_FACES |
189fad68 RS |
484 | /* If previous command specified a face to use, use it. */ |
485 | if (!NILP (Vself_insert_face) | |
346e0c2d | 486 | && EQ (current_kboard->Vlast_command, Vself_insert_face_command)) |
189fad68 | 487 | { |
049749e6 RS |
488 | Fput_text_property (make_number (PT - 1), make_number (PT), |
489 | Qface, Vself_insert_face, Qnil); | |
189fad68 RS |
490 | Vself_insert_face = Qnil; |
491 | } | |
38d404db | 492 | #endif |
e744155a | 493 | |
cd645247 JB |
494 | synt = SYNTAX (c); |
495 | if ((synt == Sclose || synt == Smath) | |
2718dfa4 RS |
496 | && !NILP (Vblink_paren_function) && INTERACTIVE |
497 | && !noautofill) | |
cd645247 JB |
498 | { |
499 | call0 (Vblink_paren_function); | |
aa52fef9 | 500 | hairy = 2; |
cd645247 JB |
501 | } |
502 | return hairy; | |
503 | } | |
504 | \f | |
505 | /* module initialization */ | |
506 | ||
507 | syms_of_cmds () | |
508 | { | |
509 | Qkill_backward_chars = intern ("kill-backward-chars"); | |
510 | staticpro (&Qkill_backward_chars); | |
511 | ||
512 | Qkill_forward_chars = intern ("kill-forward-chars"); | |
513 | staticpro (&Qkill_forward_chars); | |
514 | ||
6bbb0d4a JB |
515 | Qoverwrite_mode_binary = intern ("overwrite-mode-binary"); |
516 | staticpro (&Qoverwrite_mode_binary); | |
e686c647 | 517 | |
189fad68 RS |
518 | DEFVAR_LISP ("self-insert-face", &Vself_insert_face, |
519 | "If non-nil, set the face of the next self-inserting character to this.\n\ | |
520 | See also `self-insert-face-command'."); | |
521 | Vself_insert_face = Qnil; | |
522 | ||
523 | DEFVAR_LISP ("self-insert-face-command", &Vself_insert_face_command, | |
524 | "This is the command that set up `self-insert-face'.\n\ | |
525 | If `last-command' does not equal this value, we ignore `self-insert-face'."); | |
526 | Vself_insert_face_command = Qnil; | |
527 | ||
cd645247 JB |
528 | DEFVAR_LISP ("blink-paren-function", &Vblink_paren_function, |
529 | "Function called, if non-nil, whenever a close parenthesis is inserted.\n\ | |
530 | More precisely, a char with closeparen syntax is self-inserted."); | |
531 | Vblink_paren_function = Qnil; | |
532 | ||
9e4fd67b | 533 | defsubr (&Sforward_point); |
cd645247 JB |
534 | defsubr (&Sforward_char); |
535 | defsubr (&Sbackward_char); | |
536 | defsubr (&Sforward_line); | |
537 | defsubr (&Sbeginning_of_line); | |
538 | defsubr (&Send_of_line); | |
539 | ||
540 | defsubr (&Sdelete_char); | |
541 | defsubr (&Sdelete_backward_char); | |
542 | ||
543 | defsubr (&Sself_insert_command); | |
cd645247 JB |
544 | } |
545 | ||
546 | keys_of_cmds () | |
547 | { | |
548 | int n; | |
549 | ||
cbf65115 | 550 | initial_define_key (global_map, Ctl ('I'), "self-insert-command"); |
cd645247 JB |
551 | for (n = 040; n < 0177; n++) |
552 | initial_define_key (global_map, n, "self-insert-command"); | |
cf9cdc11 RS |
553 | #ifdef MSDOS |
554 | for (n = 0200; n < 0240; n++) | |
555 | initial_define_key (global_map, n, "self-insert-command"); | |
556 | #endif | |
94748cb9 | 557 | for (n = 0240; n < 0400; n++) |
eb46da6a | 558 | initial_define_key (global_map, n, "self-insert-command"); |
cd645247 JB |
559 | |
560 | initial_define_key (global_map, Ctl ('A'), "beginning-of-line"); | |
561 | initial_define_key (global_map, Ctl ('B'), "backward-char"); | |
562 | initial_define_key (global_map, Ctl ('D'), "delete-char"); | |
563 | initial_define_key (global_map, Ctl ('E'), "end-of-line"); | |
564 | initial_define_key (global_map, Ctl ('F'), "forward-char"); | |
565 | initial_define_key (global_map, 0177, "delete-backward-char"); | |
566 | } |