cmds.c 16.2 KB
Newer Older
Jim Blandy's avatar
Jim Blandy committed
1
/* Simple built-in editing commands.
Richard M. Stallman's avatar
Richard M. Stallman committed
2
   Copyright (C) 1985, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
Jim Blandy's avatar
Jim Blandy committed
3 4 5 6 7

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
Jim Blandy's avatar
Jim Blandy committed
8
the Free Software Foundation; either version 2, or (at your option)
Jim Blandy's avatar
Jim Blandy committed
9 10 11 12 13 14 15 16 17
any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
18 19
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */
Jim Blandy's avatar
Jim Blandy committed
20 21


22
#include <config.h>
Jim Blandy's avatar
Jim Blandy committed
23 24 25
#include "lisp.h"
#include "commands.h"
#include "buffer.h"
Karl Heuer's avatar
Karl Heuer committed
26
#include "charset.h"
Jim Blandy's avatar
Jim Blandy committed
27
#include "syntax.h"
Richard M. Stallman's avatar
Richard M. Stallman committed
28
#include "window.h"
29
#include "keyboard.h"
Jim Blandy's avatar
Jim Blandy committed
30 31 32

Lisp_Object Qkill_forward_chars, Qkill_backward_chars, Vblink_paren_function;

33 34 35
/* A possible value for a buffer's overwrite-mode variable.  */
Lisp_Object Qoverwrite_mode_binary;

36 37 38 39 40 41 42
/* Non-nil means put this face on the next self-inserting character.  */
Lisp_Object Vself_insert_face;

/* This is the command that set up Vself_insert_face.  */
Lisp_Object Vself_insert_face_command;

extern Lisp_Object Qface;
Jim Blandy's avatar
Jim Blandy committed
43

Karl Heuer's avatar
Karl Heuer committed
44 45 46 47 48 49 50
DEFUN ("forward-point", Fforward_point, Sforward_point, 1, 1, 0,
  "Return buffer position N characters after (before if N negative) point.")
  (n)
     Lisp_Object n;
{
  CHECK_NUMBER (n, 0);

51
  return make_number (PT + XINT (n));
Karl Heuer's avatar
Karl Heuer committed
52 53
}

Jim Blandy's avatar
Jim Blandy committed
54
DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "p",
55
  "Move point right N characters (left if N is negative).\n\
Jim Blandy's avatar
Jim Blandy committed
56
On reaching end of buffer, stop and signal error.")
57 58
  (n)
     Lisp_Object n;
Jim Blandy's avatar
Jim Blandy committed
59
{
60 61
  if (NILP (n))
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
62
  else
63
    CHECK_NUMBER (n, 0);
Jim Blandy's avatar
Jim Blandy committed
64

65
  /* This used to just set point to point + XINT (n), and then check
66 67 68 69 70
     to see if it was within boundaries.  But now that SET_PT can
     potentially do a lot of stuff (calling entering and exiting
     hooks, etcetera), that's not a good approach.  So we validate the
     proposed position, then set point.  */
  {
71
    int new_point = PT + XINT (n);
72 73 74 75 76 77 78 79 80 81 82 83 84 85 86

    if (new_point < BEGV)
      {
	SET_PT (BEGV);
	Fsignal (Qbeginning_of_buffer, Qnil);
      }
    if (new_point > ZV)
      {
	SET_PT (ZV);
	Fsignal (Qend_of_buffer, Qnil);
      }

    SET_PT (new_point);
  }

Jim Blandy's avatar
Jim Blandy committed
87 88 89 90
  return Qnil;
}

DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "p",
91
  "Move point left N characters (right if N is negative).\n\
Jim Blandy's avatar
Jim Blandy committed
92
On attempt to pass beginning or end of buffer, stop and signal error.")
93 94
  (n)
     Lisp_Object n;
Jim Blandy's avatar
Jim Blandy committed
95
{
96 97
  if (NILP (n))
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
98
  else
99
    CHECK_NUMBER (n, 0);
Jim Blandy's avatar
Jim Blandy committed
100

101 102
  XSETINT (n, - XINT (n));
  return Fforward_char (n);
Jim Blandy's avatar
Jim Blandy committed
103 104 105
}

DEFUN ("forward-line", Fforward_line, Sforward_line, 0, 1, "p",
106 107
  "Move N lines forward (backward if N is negative).\n\
Precisely, if point is on line I, move to the start of line I + N.\n\
Jim Blandy's avatar
Jim Blandy committed
108 109
If there isn't room, go as far as possible (no error).\n\
Returns the count of lines left to move.  If moving forward,\n\
110 111
that is N - number of lines moved; if backward, N + number moved.\n\
With positive N, a non-empty line at the end counts as one line\n\
Jim Blandy's avatar
Jim Blandy committed
112 113 114 115
  successfully moved (for the return value).")
  (n)
     Lisp_Object n;
{
116 117 118 119
  int opoint = PT, opoint_byte = PT_BYTE;
  int pos, pos_byte;
  int count, shortage;
  int temp;
Jim Blandy's avatar
Jim Blandy committed
120

Jim Blandy's avatar
Jim Blandy committed
121
  if (NILP (n))
Jim Blandy's avatar
Jim Blandy committed
122 123 124 125 126 127 128
    count = 1;
  else
    {
      CHECK_NUMBER (n, 0);
      count = XINT (n);
    }

129 130 131 132 133 134 135 136 137 138 139 140 141
  if (count <= 0)
    shortage = scan_newline (PT, PT_BYTE, BEGV, BEGV_BYTE, count - 1, 1);
  else
    shortage = scan_newline (PT, PT_BYTE, ZV, ZV_BYTE, count, 1);

  /* Since scan_newline does TEMP_SET_PT_BOTH,
     and we want to set PT "for real",
     go back to the old point and then come back here.  */
  pos = PT;
  pos_byte = PT_BYTE;
  TEMP_SET_PT_BOTH (opoint, opoint_byte);
  SET_PT_BOTH (pos, pos_byte);

Jim Blandy's avatar
Jim Blandy committed
142
  if (shortage > 0
143
      && (count <= 0
Jim Blandy's avatar
Jim Blandy committed
144
	  || (ZV > BEGV
145 146
	      && PT != opoint
	      && (FETCH_BYTE (PT_BYTE - 1) != '\n'))))
Jim Blandy's avatar
Jim Blandy committed
147
    shortage--;
148 149

  return make_number (count <= 0 ? - shortage : shortage);
Jim Blandy's avatar
Jim Blandy committed
150 151 152 153 154
}

DEFUN ("beginning-of-line", Fbeginning_of_line, Sbeginning_of_line,
  0, 1, "p",
  "Move point to beginning of current line.\n\
155
With argument N not nil or 1, move forward N - 1 lines first.\n\
Jim Blandy's avatar
Jim Blandy committed
156 157 158 159
If scan reaches end of buffer, stop there without error.")
  (n)
     Lisp_Object n;
{
Jim Blandy's avatar
Jim Blandy committed
160
  if (NILP (n))
161
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
162 163 164
  else
    CHECK_NUMBER (n, 0);

165
  SET_PT (XINT (Fline_beginning_position (n)));
Jim Blandy's avatar
Jim Blandy committed
166 167 168 169 170 171
  return Qnil;
}

DEFUN ("end-of-line", Fend_of_line, Send_of_line,
  0, 1, "p",
  "Move point to end of current line.\n\
172
With argument N not nil or 1, move forward N - 1 lines first.\n\
Jim Blandy's avatar
Jim Blandy committed
173 174 175 176 177 178 179
If scan reaches end of buffer, stop there without error.")
  (n)
     Lisp_Object n;
{
  register int pos;
  register int stop;

Jim Blandy's avatar
Jim Blandy committed
180
  if (NILP (n))
181
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
182 183 184
  else
    CHECK_NUMBER (n, 0);

185
  SET_PT (XINT (Fline_end_position (n)));
Jim Blandy's avatar
Jim Blandy committed
186 187 188 189 190

  return Qnil;
}

DEFUN ("delete-char", Fdelete_char, Sdelete_char, 1, 2, "p\nP",
191
  "Delete the following N characters (previous if N is negative).\n\
Jim Blandy's avatar
Jim Blandy committed
192
Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\
193 194
Interactively, N is the prefix arg, and KILLFLAG is set if\n\
N was explicitly specified.")
Jim Blandy's avatar
Jim Blandy committed
195 196 197
  (n, killflag)
     Lisp_Object n, killflag;
{
Karl Heuer's avatar
Karl Heuer committed
198 199
  int pos;

Jim Blandy's avatar
Jim Blandy committed
200 201
  CHECK_NUMBER (n, 0);

202
  pos = PT + XINT (n);
Jim Blandy's avatar
Jim Blandy committed
203
  if (NILP (killflag))
Jim Blandy's avatar
Jim Blandy committed
204 205 206
    {
      if (XINT (n) < 0)
	{
Karl Heuer's avatar
Karl Heuer committed
207
	  if (pos < BEGV)
Jim Blandy's avatar
Jim Blandy committed
208 209
	    Fsignal (Qbeginning_of_buffer, Qnil);
	  else
Karl Heuer's avatar
Karl Heuer committed
210
	    del_range (pos, PT);
Jim Blandy's avatar
Jim Blandy committed
211 212 213
	}
      else
	{
Karl Heuer's avatar
Karl Heuer committed
214
	  if (pos > ZV)
Jim Blandy's avatar
Jim Blandy committed
215 216
	    Fsignal (Qend_of_buffer, Qnil);
	  else
Karl Heuer's avatar
Karl Heuer committed
217
	    del_range (PT, pos);
Jim Blandy's avatar
Jim Blandy committed
218 219 220 221 222 223 224 225 226 227 228
	}
    }
  else
    {
      call1 (Qkill_forward_chars, n);
    }
  return Qnil;
}

DEFUN ("delete-backward-char", Fdelete_backward_char, Sdelete_backward_char,
  1, 2, "p\nP",
229
  "Delete the previous N characters (following if N is negative).\n\
Jim Blandy's avatar
Jim Blandy committed
230
Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\
231 232
Interactively, N is the prefix arg, and KILLFLAG is set if\n\
N was explicitly specified.")
Jim Blandy's avatar
Jim Blandy committed
233 234 235
  (n, killflag)
     Lisp_Object n, killflag;
{
236
  Lisp_Object value;
237
  int deleted_special = 0;
238
  int pos, pos_byte, i;
239

Jim Blandy's avatar
Jim Blandy committed
240
  CHECK_NUMBER (n, 0);
241

242
  /* See if we are about to delete a tab or newline backwards.  */
243 244 245
  pos = PT;
  pos_byte = PT_BYTE;
  for (i = 0; i < XINT (n) && pos_byte > BEGV_BYTE; i++)
246
    {
Karl Heuer's avatar
Karl Heuer committed
247 248
      int c;

249 250
      DEC_BOTH (pos, pos_byte);
      c = FETCH_BYTE (pos_byte);
Karl Heuer's avatar
Karl Heuer committed
251
      if (c == '\t' || c == '\n')
252
	{
253
	  deleted_special = 1;
254 255 256 257 258 259 260 261
	  break;
	}
    }

  /* In overwrite mode, back over columns while clearing them out,
     unless at end of line.  */
  if (XINT (n) > 0
      && ! NILP (current_buffer->overwrite_mode)
262
      && ! deleted_special
263
      && ! (PT == ZV || FETCH_BYTE (PT_BYTE) == '\n'))
264
    {
Karl Heuer's avatar
Karl Heuer committed
265 266 267 268
      int column = current_column ();

      value = Fdelete_char (make_number (-XINT (n)), killflag);
      i = column - current_column ();
269
      Finsert_char (make_number (' '), make_number (i), Qnil);
270 271
      /* Whitespace chars are ASCII chars, so we can simply subtract.  */
      SET_PT_BOTH (PT - i, PT_BYTE - i);
272
    }
Karl Heuer's avatar
Karl Heuer committed
273 274
  else
    value = Fdelete_char (make_number (-XINT (n)), killflag);
275 276

  return value;
Jim Blandy's avatar
Jim Blandy committed
277 278 279 280 281
}

DEFUN ("self-insert-command", Fself_insert_command, Sself_insert_command, 1, 1, "p",
  "Insert the character you type.\n\
Whichever character you type to run this command is inserted.")
282 283
  (n)
     Lisp_Object n;
Jim Blandy's avatar
Jim Blandy committed
284
{
285 286
  int character = XINT (last_command_char);

287
  CHECK_NUMBER (n, 0);
Jim Blandy's avatar
Jim Blandy committed
288 289

  /* Barf if the key that invoked this was not a character.  */
290
  if (!INTEGERP (last_command_char))
Jim Blandy's avatar
Jim Blandy committed
291
    bitch_at_user ();
292
  else if (XINT (n) >= 2 && NILP (current_buffer->overwrite_mode))
293
    {
294 295 296 297
      int modified_char = character;
      /* Add the offset to the character, for Finsert_char.
	 We pass internal_self_insert the unmodified character
	 because it itself does this offsetting.  */
298 299
      if (! NILP (current_buffer->enable_multibyte_characters))
	modified_char = unibyte_char_to_multibyte (modified_char);
300

301
      XSETFASTINT (n, XFASTINT (n) - 2);
302
      /* The first one might want to expand an abbrev.  */
303
      internal_self_insert (character, 1);
304 305 306
      /* The bulk of the copies of this char can be inserted simply.
	 We don't have to handle a user-specified face specially
	 because it will get inherited from the first char inserted.  */
307
      Finsert_char (make_number (modified_char), n, Qt);
308
      /* The last one might want to auto-fill.  */
309
      internal_self_insert (character, 0);
310
    }
Jim Blandy's avatar
Jim Blandy committed
311
  else
312
    while (XINT (n) > 0)
Jim Blandy's avatar
Jim Blandy committed
313
      {
314
	/* Ok since old and new vals both nonneg */
315
	XSETFASTINT (n, XFASTINT (n) - 1);
316
	internal_self_insert (character, XFASTINT (n) != 0);
Jim Blandy's avatar
Jim Blandy committed
317 318 319 320 321
      }

  return Qnil;
}

Karl Heuer's avatar
Karl Heuer committed
322
/* Insert character C.  If NOAUTOFILL is nonzero, don't do autofill
323 324 325
   even if it is enabled.

   If this insertion is suitable for direct output (completely simple),
326 327
   return 0.  A value of 1 indicates this *might* not have been simple.
   A value of 2 means this did things that call for an undo boundary.  */
328

Karl Heuer's avatar
Karl Heuer committed
329 330
internal_self_insert (c, noautofill)
     int c;
Jim Blandy's avatar
Jim Blandy committed
331 332 333 334 335 336
     int noautofill;
{
  extern Lisp_Object Fexpand_abbrev ();
  int hairy = 0;
  Lisp_Object tem;
  register enum syntaxcode synt;
337
  Lisp_Object overwrite, string;
Karl Heuer's avatar
Karl Heuer committed
338 339 340 341
  /* Length of multi-byte form of C.  */
  int len;
  /* Working buffer and pointer for multi-byte form of C.  */
  unsigned char workbuf[4], *str;
342
  int chars_to_delete = 0;
343
  int spaces_to_insert = 0;
Jim Blandy's avatar
Jim Blandy committed
344

345 346
  if (! NILP (current_buffer->enable_multibyte_characters))
    c = unibyte_char_to_multibyte (c);
347

348
  overwrite = current_buffer->overwrite_mode;
349 350
  if (!NILP (Vbefore_change_function) || !NILP (Vafter_change_function)
      || !NILP (Vbefore_change_functions) || !NILP (Vafter_change_functions))
Jim Blandy's avatar
Jim Blandy committed
351 352
    hairy = 1;

Karl Heuer's avatar
Karl Heuer committed
353 354 355 356 357 358
  /* At first, get multi-byte form of C in STR.  */
  if (!NILP (current_buffer->enable_multibyte_characters))
    len = CHAR_STRING (c, workbuf, str);
  else
    workbuf[0] = c, str = workbuf, len = 1;

359
  if (!NILP (overwrite)
Karl Heuer's avatar
Karl Heuer committed
360
      && PT < ZV)
Jim Blandy's avatar
Jim Blandy committed
361
    {
Karl Heuer's avatar
Karl Heuer committed
362 363 364 365 366 367 368 369 370
      /* In overwrite-mode, we substitute a character at point (C2,
	 hereafter) by C.  For that, we delete C2 in advance.  But,
	 just substituting C2 by C may move a remaining text in the
	 line to the right or to the left, which is not preferable.
	 So we insert more spaces or delete more characters in the
	 following cases: if C is narrower than C2, after deleting C2,
	 we fill columns with spaces, if C is wider than C2, we delete
	 C2 and several characters following C2.  */

371 372 373 374
      /* This is the character after point.  */
      int c2 = FETCH_CHAR (PT_BYTE);

      /* Column the cursor should be placed at after this insertion.
Karl Heuer's avatar
Karl Heuer committed
375 376 377
         The correct value should be calculated only when necessary.  */
      int target_clm = 0;

378 379 380 381 382
      /* Overwriting in binary-mode always replaces C2 by C.
	 Overwriting in textual-mode doesn't always do that.
	 It inserts newlines in the usual way,
	 and inserts any character at end of line
	 or before a tab if it doesn't use the whole width of the tab.  */
Karl Heuer's avatar
Karl Heuer committed
383 384 385
      if (EQ (overwrite, Qoverwrite_mode_binary)
	  || (c != '\n'
	      && c2 != '\n'
386 387 388
	      && ! (c2 == '\t'
		    && XINT (current_buffer->tab_width) > 0
		    && XFASTINT (current_buffer->tab_width) < 20
389 390
		    && (target_clm = (current_column () 
				      + XINT (Fchar_width (make_number (c2)))),
391
			target_clm % XFASTINT (current_buffer->tab_width)))))
Karl Heuer's avatar
Karl Heuer committed
392
	{
393
	  int pos = PT;
394
	  int pos_byte = PT_BYTE;
395

Karl Heuer's avatar
Karl Heuer committed
396
	  if (target_clm == 0)
397
	    chars_to_delete = 1;
Karl Heuer's avatar
Karl Heuer committed
398 399 400 401 402 403 404
	  else
	    {
	      /* The actual cursor position after the trial of moving
		 to column TARGET_CLM.  It is greater than TARGET_CLM
		 if the TARGET_CLM is middle of multi-column
		 character.  In that case, the new point is set after
		 that character.  */
405 406
	      int actual_clm
		= XFASTINT (Fmove_to_column (make_number (target_clm), Qnil));
Karl Heuer's avatar
Karl Heuer committed
407

408
	      chars_to_delete = PT - pos;
409

Karl Heuer's avatar
Karl Heuer committed
410 411
	      if (actual_clm > target_clm)
		{
412
		  /* We will delete too many columns.  Let's fill columns
Karl Heuer's avatar
Karl Heuer committed
413
		     by spaces so that the remaining text won't move.  */
414
		  spaces_to_insert = actual_clm - target_clm;
Karl Heuer's avatar
Karl Heuer committed
415 416
		}
	    }
417
	  SET_PT_BOTH (pos, pos_byte);
Karl Heuer's avatar
Karl Heuer committed
418 419
	  hairy = 2;
	}
420
      hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
421
    }
Jim Blandy's avatar
Jim Blandy committed
422
  if (!NILP (current_buffer->abbrev_mode)
Jim Blandy's avatar
Jim Blandy committed
423
      && SYNTAX (c) != Sword
Jim Blandy's avatar
Jim Blandy committed
424
      && NILP (current_buffer->read_only)
Karl Heuer's avatar
Karl Heuer committed
425
      && PT > BEGV && SYNTAX (XFASTINT (Fprevious_char ())) == Sword)
Jim Blandy's avatar
Jim Blandy committed
426
    {
427
      int modiff = MODIFF;
428 429 430 431 432
      Lisp_Object sym;

      sym = Fexpand_abbrev ();

      /* If we expanded an abbrev which has only a hook,
433
	 and the hook has a non-nil `no-self-insert' property,
434
	 return right away--don't really self-insert.  */
435 436
      if (! NILP (sym) && ! NILP (XSYMBOL (sym)->function)
	  && SYMBOLP (XSYMBOL (sym)->function))
437 438
	{
	  Lisp_Object prop;
439
	  prop = Fget (XSYMBOL (sym)->function, intern ("no-self-insert"));
440
	  if (! NILP (prop))
441
	    return 1;
442 443
	}

444
      if (MODIFF != modiff)
445
	hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
446
    }
447

448
  if (chars_to_delete)
449
    {
450
      string = make_multibyte_string (str, 1, len);
451 452 453 454 455 456 457
      if (spaces_to_insert)
	{
	  tem = Fmake_string (make_number (spaces_to_insert),
			      make_number (' '));
	  string = concat2 (tem, string);
	}

458 459 460
      replace_range (PT, PT + chars_to_delete, string, 1, 1);
      SET_PT_BOTH (PT + 1 + spaces_to_insert,
		   PT_BYTE + XSTRING (string)->size);
461 462 463 464
    }
  else
    insert_and_inherit (str, len);

Jim Blandy's avatar
Jim Blandy committed
465 466
  if ((c == ' ' || c == '\n')
      && !noautofill
467
      && !NILP (current_buffer->auto_fill_function))
Jim Blandy's avatar
Jim Blandy committed
468
    {
469 470
      Lisp_Object tem;

Karl Heuer's avatar
Karl Heuer committed
471
      if (c == '\n')
472 473 474 475
	/* After inserting a newline, move to previous line and fill
	   that.  Must have the newline in place already so filling and
	   justification, if any, know where the end is going to be.  */
	SET_PT_BOTH (PT - 1, PT_BYTE - 1);
476
      tem = call0 (current_buffer->auto_fill_function);
Karl Heuer's avatar
Karl Heuer committed
477
      if (c == '\n')
478
	SET_PT_BOTH (PT + 1, PT_BYTE + 1);
479 480
      if (!NILP (tem))
	hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
481
    }
482

483
#ifdef HAVE_FACES
484 485
  /* If previous command specified a face to use, use it.  */
  if (!NILP (Vself_insert_face)
486
      && EQ (current_kboard->Vlast_command, Vself_insert_face_command))
487
    {
488 489
      Fput_text_property (make_number (PT - 1), make_number (PT),
			  Qface, Vself_insert_face, Qnil);
490 491
      Vself_insert_face = Qnil;
    }
492
#endif
493

Jim Blandy's avatar
Jim Blandy committed
494 495
  synt = SYNTAX (c);
  if ((synt == Sclose || synt == Smath)
496 497
      && !NILP (Vblink_paren_function) && INTERACTIVE
      && !noautofill)
Jim Blandy's avatar
Jim Blandy committed
498 499
    {
      call0 (Vblink_paren_function);
500
      hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
501 502 503 504 505 506 507 508 509 510 511 512 513 514
    }
  return hairy;
}

/* module initialization */

syms_of_cmds ()
{
  Qkill_backward_chars = intern ("kill-backward-chars");
  staticpro (&Qkill_backward_chars);

  Qkill_forward_chars = intern ("kill-forward-chars");
  staticpro (&Qkill_forward_chars);

515 516
  Qoverwrite_mode_binary = intern ("overwrite-mode-binary");
  staticpro (&Qoverwrite_mode_binary);
517

518 519 520 521 522 523 524 525 526 527
  DEFVAR_LISP ("self-insert-face", &Vself_insert_face,
    "If non-nil, set the face of the next self-inserting character to this.\n\
See also `self-insert-face-command'.");
  Vself_insert_face = Qnil;

  DEFVAR_LISP ("self-insert-face-command", &Vself_insert_face_command,
    "This is the command that set up `self-insert-face'.\n\
If `last-command' does not equal this value, we ignore `self-insert-face'.");
  Vself_insert_face_command = Qnil;

Jim Blandy's avatar
Jim Blandy committed
528 529 530 531 532
  DEFVAR_LISP ("blink-paren-function", &Vblink_paren_function,
    "Function called, if non-nil, whenever a close parenthesis is inserted.\n\
More precisely, a char with closeparen syntax is self-inserted.");
  Vblink_paren_function = Qnil;

Karl Heuer's avatar
Karl Heuer committed
533
  defsubr (&Sforward_point);
Jim Blandy's avatar
Jim Blandy committed
534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549
  defsubr (&Sforward_char);
  defsubr (&Sbackward_char);
  defsubr (&Sforward_line);
  defsubr (&Sbeginning_of_line);
  defsubr (&Send_of_line);

  defsubr (&Sdelete_char);
  defsubr (&Sdelete_backward_char);

  defsubr (&Sself_insert_command);
}

keys_of_cmds ()
{
  int n;

550
  initial_define_key (global_map, Ctl ('I'), "self-insert-command");
Jim Blandy's avatar
Jim Blandy committed
551 552
  for (n = 040; n < 0177; n++)
    initial_define_key (global_map, n, "self-insert-command");
553 554 555 556
#ifdef MSDOS
  for (n = 0200; n < 0240; n++)
    initial_define_key (global_map, n, "self-insert-command");
#endif
557
  for (n = 0240; n < 0400; n++)
558
    initial_define_key (global_map, n, "self-insert-command");
Jim Blandy's avatar
Jim Blandy committed
559 560 561 562 563 564 565 566

  initial_define_key (global_map, Ctl ('A'), "beginning-of-line");
  initial_define_key (global_map, Ctl ('B'), "backward-char");
  initial_define_key (global_map, Ctl ('D'), "delete-char");
  initial_define_key (global_map, Ctl ('E'), "end-of-line");
  initial_define_key (global_map, Ctl ('F'), "forward-char");
  initial_define_key (global_map, 0177, "delete-backward-char");
}