cmds.c 16.4 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"
Andreas Schwab's avatar
Andreas Schwab committed
30
#include "dispextern.h"
Jim Blandy's avatar
Jim Blandy committed
31 32 33

Lisp_Object Qkill_forward_chars, Qkill_backward_chars, Vblink_paren_function;

34 35 36
/* A possible value for a buffer's overwrite-mode variable.  */
Lisp_Object Qoverwrite_mode_binary;

37 38 39 40 41 42 43
/* 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
44

Karl Heuer's avatar
Karl Heuer committed
45 46 47 48 49 50 51
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);

52
  return make_number (PT + XINT (n));
Karl Heuer's avatar
Karl Heuer committed
53 54
}

Jim Blandy's avatar
Jim Blandy committed
55
DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "p",
56
  "Move point right N characters (left if N is negative).\n\
Jim Blandy's avatar
Jim Blandy committed
57
On reaching end of buffer, stop and signal error.")
58 59
  (n)
     Lisp_Object n;
Jim Blandy's avatar
Jim Blandy committed
60
{
61 62
  if (NILP (n))
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
63
  else
64
    CHECK_NUMBER (n, 0);
Jim Blandy's avatar
Jim Blandy committed
65

66
  /* This used to just set point to point + XINT (n), and then check
67 68 69 70 71
     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.  */
  {
72
    int new_point = PT + XINT (n);
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87

    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
88 89 90 91
  return Qnil;
}

DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "p",
92
  "Move point left N characters (right if N is negative).\n\
Jim Blandy's avatar
Jim Blandy committed
93
On attempt to pass beginning or end of buffer, stop and signal error.")
94 95
  (n)
     Lisp_Object n;
Jim Blandy's avatar
Jim Blandy committed
96
{
97 98
  if (NILP (n))
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
99
  else
100
    CHECK_NUMBER (n, 0);
Jim Blandy's avatar
Jim Blandy committed
101

102 103
  XSETINT (n, - XINT (n));
  return Fforward_char (n);
Jim Blandy's avatar
Jim Blandy committed
104 105 106
}

DEFUN ("forward-line", Fforward_line, Sforward_line, 0, 1, "p",
107 108
  "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
109 110
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\
111 112
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
113 114 115 116
  successfully moved (for the return value).")
  (n)
     Lisp_Object n;
{
117 118 119 120
  int opoint = PT, opoint_byte = PT_BYTE;
  int pos, pos_byte;
  int count, shortage;
  int temp;
Jim Blandy's avatar
Jim Blandy committed
121

Jim Blandy's avatar
Jim Blandy committed
122
  if (NILP (n))
Jim Blandy's avatar
Jim Blandy committed
123 124 125 126 127 128 129
    count = 1;
  else
    {
      CHECK_NUMBER (n, 0);
      count = XINT (n);
    }

130 131 132 133 134 135 136 137 138 139 140 141 142
  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
143
  if (shortage > 0
144
      && (count <= 0
Jim Blandy's avatar
Jim Blandy committed
145
	  || (ZV > BEGV
146 147
	      && PT != opoint
	      && (FETCH_BYTE (PT_BYTE - 1) != '\n'))))
Jim Blandy's avatar
Jim Blandy committed
148
    shortage--;
149 150

  return make_number (count <= 0 ? - shortage : shortage);
Jim Blandy's avatar
Jim Blandy committed
151 152 153 154 155
}

DEFUN ("beginning-of-line", Fbeginning_of_line, Sbeginning_of_line,
  0, 1, "p",
  "Move point to beginning of current line.\n\
156
With argument N not nil or 1, move forward N - 1 lines first.\n\
Jim Blandy's avatar
Jim Blandy committed
157 158 159 160
If scan reaches end of buffer, stop there without error.")
  (n)
     Lisp_Object n;
{
Jim Blandy's avatar
Jim Blandy committed
161
  if (NILP (n))
162
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
163 164 165
  else
    CHECK_NUMBER (n, 0);

166
  SET_PT (XINT (Fline_beginning_position (n)));
167
  
Jim Blandy's avatar
Jim Blandy committed
168 169 170 171 172 173
  return Qnil;
}

DEFUN ("end-of-line", Fend_of_line, Send_of_line,
  0, 1, "p",
  "Move point to end of current line.\n\
174
With argument N not nil or 1, move forward N - 1 lines first.\n\
Jim Blandy's avatar
Jim Blandy committed
175 176 177 178
If scan reaches end of buffer, stop there without error.")
  (n)
     Lisp_Object n;
{
Jim Blandy's avatar
Jim Blandy committed
179
  if (NILP (n))
180
    XSETFASTINT (n, 1);
Jim Blandy's avatar
Jim Blandy committed
181 182 183
  else
    CHECK_NUMBER (n, 0);

184
  SET_PT (XINT (Fline_end_position (n)));
Jim Blandy's avatar
Jim Blandy committed
185 186 187 188 189

  return Qnil;
}

DEFUN ("delete-char", Fdelete_char, Sdelete_char, 1, 2, "p\nP",
190
  "Delete the following N characters (previous if N is negative).\n\
Jim Blandy's avatar
Jim Blandy committed
191
Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\
192 193
Interactively, N is the prefix arg, and KILLFLAG is set if\n\
N was explicitly specified.")
Jim Blandy's avatar
Jim Blandy committed
194 195 196
  (n, killflag)
     Lisp_Object n, killflag;
{
Karl Heuer's avatar
Karl Heuer committed
197 198
  int pos;

Jim Blandy's avatar
Jim Blandy committed
199 200
  CHECK_NUMBER (n, 0);

201
  pos = PT + XINT (n);
Jim Blandy's avatar
Jim Blandy committed
202
  if (NILP (killflag))
Jim Blandy's avatar
Jim Blandy committed
203 204 205
    {
      if (XINT (n) < 0)
	{
Karl Heuer's avatar
Karl Heuer committed
206
	  if (pos < BEGV)
Jim Blandy's avatar
Jim Blandy committed
207 208
	    Fsignal (Qbeginning_of_buffer, Qnil);
	  else
Karl Heuer's avatar
Karl Heuer committed
209
	    del_range (pos, PT);
Jim Blandy's avatar
Jim Blandy committed
210 211 212
	}
      else
	{
Karl Heuer's avatar
Karl Heuer committed
213
	  if (pos > ZV)
Jim Blandy's avatar
Jim Blandy committed
214 215
	    Fsignal (Qend_of_buffer, Qnil);
	  else
Karl Heuer's avatar
Karl Heuer committed
216
	    del_range (PT, pos);
Jim Blandy's avatar
Jim Blandy committed
217 218 219 220 221 222 223 224 225 226 227
	}
    }
  else
    {
      call1 (Qkill_forward_chars, n);
    }
  return Qnil;
}

DEFUN ("delete-backward-char", Fdelete_backward_char, Sdelete_backward_char,
  1, 2, "p\nP",
228
  "Delete the previous N characters (following if N is negative).\n\
Jim Blandy's avatar
Jim Blandy committed
229
Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\
230 231
Interactively, N is the prefix arg, and KILLFLAG is set if\n\
N was explicitly specified.")
Jim Blandy's avatar
Jim Blandy committed
232 233 234
  (n, killflag)
     Lisp_Object n, killflag;
{
235
  Lisp_Object value;
236
  int deleted_special = 0;
237
  int pos, pos_byte, i;
238

Jim Blandy's avatar
Jim Blandy committed
239
  CHECK_NUMBER (n, 0);
240

241
  /* See if we are about to delete a tab or newline backwards.  */
242 243 244
  pos = PT;
  pos_byte = PT_BYTE;
  for (i = 0; i < XINT (n) && pos_byte > BEGV_BYTE; i++)
245
    {
Karl Heuer's avatar
Karl Heuer committed
246 247
      int c;

248 249
      DEC_BOTH (pos, pos_byte);
      c = FETCH_BYTE (pos_byte);
Karl Heuer's avatar
Karl Heuer committed
250
      if (c == '\t' || c == '\n')
251
	{
252
	  deleted_special = 1;
253 254 255 256 257 258 259 260
	  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)
261
      && ! deleted_special
262
      && ! (PT == ZV || FETCH_BYTE (PT_BYTE) == '\n'))
263
    {
Karl Heuer's avatar
Karl Heuer committed
264 265 266 267
      int column = current_column ();

      value = Fdelete_char (make_number (-XINT (n)), killflag);
      i = column - current_column ();
268
      Finsert_char (make_number (' '), make_number (i), Qnil);
269 270
      /* Whitespace chars are ASCII chars, so we can simply subtract.  */
      SET_PT_BOTH (PT - i, PT_BYTE - i);
271
    }
Karl Heuer's avatar
Karl Heuer committed
272 273
  else
    value = Fdelete_char (make_number (-XINT (n)), killflag);
274 275

  return value;
Jim Blandy's avatar
Jim Blandy committed
276 277 278 279 280
}

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.")
281 282
  (n)
     Lisp_Object n;
Jim Blandy's avatar
Jim Blandy committed
283
{
284 285
  int character = XINT (last_command_char);

286
  CHECK_NUMBER (n, 0);
Jim Blandy's avatar
Jim Blandy committed
287 288

  /* Barf if the key that invoked this was not a character.  */
289
  if (!INTEGERP (last_command_char))
Jim Blandy's avatar
Jim Blandy committed
290
    bitch_at_user ();
291
  else if (XINT (n) >= 2 && NILP (current_buffer->overwrite_mode))
292
    {
293 294 295 296
      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.  */
297 298
      if (! NILP (current_buffer->enable_multibyte_characters))
	modified_char = unibyte_char_to_multibyte (modified_char);
299

300
      XSETFASTINT (n, XFASTINT (n) - 2);
301
      /* The first one might want to expand an abbrev.  */
302
      internal_self_insert (character, 1);
303 304 305
      /* 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.  */
306
      Finsert_char (make_number (modified_char), n, Qt);
307
      /* The last one might want to auto-fill.  */
308
      internal_self_insert (character, 0);
309
    }
Jim Blandy's avatar
Jim Blandy committed
310
  else
311
    while (XINT (n) > 0)
Jim Blandy's avatar
Jim Blandy committed
312
      {
313
	/* Ok since old and new vals both nonneg */
314
	XSETFASTINT (n, XFASTINT (n) - 1);
315
	internal_self_insert (character, XFASTINT (n) != 0);
Jim Blandy's avatar
Jim Blandy committed
316 317 318 319 320
      }

  return Qnil;
}

Karl Heuer's avatar
Karl Heuer committed
321
/* Insert character C.  If NOAUTOFILL is nonzero, don't do autofill
322 323 324
   even if it is enabled.

   If this insertion is suitable for direct output (completely simple),
325 326
   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.  */
327

Andreas Schwab's avatar
Andreas Schwab committed
328
int
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
  overwrite = current_buffer->overwrite_mode;
346 347
  if (!NILP (Vbefore_change_function) || !NILP (Vafter_change_function)
      || !NILP (Vbefore_change_functions) || !NILP (Vafter_change_functions))
Jim Blandy's avatar
Jim Blandy committed
348 349
    hairy = 1;

Karl Heuer's avatar
Karl Heuer committed
350 351
  /* At first, get multi-byte form of C in STR.  */
  if (!NILP (current_buffer->enable_multibyte_characters))
352 353 354
    {
      c = unibyte_char_to_multibyte (c);
      len = CHAR_STRING (c, workbuf, str);
355 356 357 358
      if (len == 1)
	/* If C has modifier bits, this makes C an appropriate
           one-byte char.  */
	c = *str;
359
    }
Karl Heuer's avatar
Karl Heuer committed
360
  else
361 362 363 364 365 366 367
    {
      workbuf[0] = (SINGLE_BYTE_CHAR_P (c)
		    ? c
		    : multibyte_char_to_unibyte (c, Qnil));
      str = workbuf;
      len = 1;
    }
368
  if (!NILP (overwrite)
Karl Heuer's avatar
Karl Heuer committed
369
      && PT < ZV)
Jim Blandy's avatar
Jim Blandy committed
370
    {
Karl Heuer's avatar
Karl Heuer committed
371 372 373 374 375 376 377 378 379
      /* 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.  */

380 381 382 383
      /* 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
384 385 386
         The correct value should be calculated only when necessary.  */
      int target_clm = 0;

387 388 389 390 391
      /* 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
392 393 394
      if (EQ (overwrite, Qoverwrite_mode_binary)
	  || (c != '\n'
	      && c2 != '\n'
395 396 397
	      && ! (c2 == '\t'
		    && XINT (current_buffer->tab_width) > 0
		    && XFASTINT (current_buffer->tab_width) < 20
398
		    && (target_clm = (current_column () 
399
				      + XINT (Fchar_width (make_number (c)))),
400
			target_clm % XFASTINT (current_buffer->tab_width)))))
Karl Heuer's avatar
Karl Heuer committed
401
	{
402
	  int pos = PT;
403
	  int pos_byte = PT_BYTE;
404

Karl Heuer's avatar
Karl Heuer committed
405
	  if (target_clm == 0)
406
	    chars_to_delete = 1;
Karl Heuer's avatar
Karl Heuer committed
407 408 409 410 411 412 413
	  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.  */
414 415
	      int actual_clm
		= XFASTINT (Fmove_to_column (make_number (target_clm), Qnil));
Karl Heuer's avatar
Karl Heuer committed
416

417
	      chars_to_delete = PT - pos;
418

Karl Heuer's avatar
Karl Heuer committed
419 420
	      if (actual_clm > target_clm)
		{
421
		  /* We will delete too many columns.  Let's fill columns
Karl Heuer's avatar
Karl Heuer committed
422
		     by spaces so that the remaining text won't move.  */
423
		  spaces_to_insert = actual_clm - target_clm;
Karl Heuer's avatar
Karl Heuer committed
424 425
		}
	    }
426
	  SET_PT_BOTH (pos, pos_byte);
Karl Heuer's avatar
Karl Heuer committed
427 428
	  hairy = 2;
	}
429
      hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
430
    }
Jim Blandy's avatar
Jim Blandy committed
431
  if (!NILP (current_buffer->abbrev_mode)
Jim Blandy's avatar
Jim Blandy committed
432
      && SYNTAX (c) != Sword
Jim Blandy's avatar
Jim Blandy committed
433
      && NILP (current_buffer->read_only)
Karl Heuer's avatar
Karl Heuer committed
434
      && PT > BEGV && SYNTAX (XFASTINT (Fprevious_char ())) == Sword)
Jim Blandy's avatar
Jim Blandy committed
435
    {
436
      int modiff = MODIFF;
437 438 439 440 441
      Lisp_Object sym;

      sym = Fexpand_abbrev ();

      /* If we expanded an abbrev which has only a hook,
442
	 and the hook has a non-nil `no-self-insert' property,
443
	 return right away--don't really self-insert.  */
444 445
      if (! NILP (sym) && ! NILP (XSYMBOL (sym)->function)
	  && SYMBOLP (XSYMBOL (sym)->function))
446 447
	{
	  Lisp_Object prop;
448
	  prop = Fget (XSYMBOL (sym)->function, intern ("no-self-insert"));
449
	  if (! NILP (prop))
450
	    return 1;
451 452
	}

453
      if (MODIFF != modiff)
454
	hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
455
    }
456

457
  if (chars_to_delete)
458
    {
459
      string = make_string_from_bytes (str, 1, len);
460 461 462 463 464 465 466
      if (spaces_to_insert)
	{
	  tem = Fmake_string (make_number (spaces_to_insert),
			      make_number (' '));
	  string = concat2 (tem, string);
	}

467
      replace_range (PT, PT + chars_to_delete, string, 1, 1, 1);
468
      Fforward_char (make_number (1 + spaces_to_insert));
469 470 471 472
    }
  else
    insert_and_inherit (str, len);

473 474 475
  if ((CHAR_TABLE_P (Vauto_fill_chars)
       ? !NILP (CHAR_TABLE_REF (Vauto_fill_chars, c))
       : (c == ' ' || c == '\n'))
Jim Blandy's avatar
Jim Blandy committed
476
      && !noautofill
477
      && !NILP (current_buffer->auto_fill_function))
Jim Blandy's avatar
Jim Blandy committed
478
    {
479 480
      Lisp_Object tem;

Karl Heuer's avatar
Karl Heuer committed
481
      if (c == '\n')
482 483 484 485
	/* 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);
486
      tem = call0 (current_buffer->auto_fill_function);
Karl Heuer's avatar
Karl Heuer committed
487
      if (c == '\n')
488
	SET_PT_BOTH (PT + 1, PT_BYTE + 1);
489 490
      if (!NILP (tem))
	hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
491
    }
492

493
#ifdef HAVE_FACES
494 495
  /* If previous command specified a face to use, use it.  */
  if (!NILP (Vself_insert_face)
496
      && EQ (current_kboard->Vlast_command, Vself_insert_face_command))
497
    {
498 499
      Fput_text_property (make_number (PT - 1), make_number (PT),
			  Qface, Vself_insert_face, Qnil);
500 501
      Vself_insert_face = Qnil;
    }
502
#endif
503

Jim Blandy's avatar
Jim Blandy committed
504 505
  synt = SYNTAX (c);
  if ((synt == Sclose || synt == Smath)
506 507
      && !NILP (Vblink_paren_function) && INTERACTIVE
      && !noautofill)
Jim Blandy's avatar
Jim Blandy committed
508 509
    {
      call0 (Vblink_paren_function);
510
      hairy = 2;
Jim Blandy's avatar
Jim Blandy committed
511 512 513 514 515 516
    }
  return hairy;
}

/* module initialization */

Andreas Schwab's avatar
Andreas Schwab committed
517
void
Jim Blandy's avatar
Jim Blandy committed
518 519 520 521 522 523 524 525
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);

526 527
  Qoverwrite_mode_binary = intern ("overwrite-mode-binary");
  staticpro (&Qoverwrite_mode_binary);
528

529 530 531 532 533 534 535 536 537 538
  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
539 540 541 542 543
  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
544
  defsubr (&Sforward_point);
Jim Blandy's avatar
Jim Blandy committed
545 546 547 548 549 550 551 552 553 554 555 556
  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);
}

Andreas Schwab's avatar
Andreas Schwab committed
557
void
Jim Blandy's avatar
Jim Blandy committed
558 559 560 561
keys_of_cmds ()
{
  int n;

562
  initial_define_key (global_map, Ctl ('I'), "self-insert-command");
Jim Blandy's avatar
Jim Blandy committed
563 564
  for (n = 040; n < 0177; n++)
    initial_define_key (global_map, n, "self-insert-command");
565 566 567 568
#ifdef MSDOS
  for (n = 0200; n < 0240; n++)
    initial_define_key (global_map, n, "self-insert-command");
#endif
569
  for (n = 0240; n < 0400; n++)
570
    initial_define_key (global_map, n, "self-insert-command");
Jim Blandy's avatar
Jim Blandy committed
571 572 573 574 575 576 577 578

  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");
}