/* Simple built-in editing commands.
- Copyright (C) 1985, 1993, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1985, 1993, 1994, 1995 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include "buffer.h"
#include "syntax.h"
#include "window.h"
+#include "keyboard.h"
Lisp_Object Qkill_forward_chars, Qkill_backward_chars, Vblink_paren_function;
-Lisp_Object Vuse_hard_newlines;
/* A possible value for a buffer's overwrite-mode variable. */
Lisp_Object Qoverwrite_mode_binary;
/* This is the command that set up Vself_insert_face. */
Lisp_Object Vself_insert_face_command;
-#ifdef USE_TEXT_PROPERTIES
-Lisp_Object Qhard;
-#endif
-
extern Lisp_Object Qface;
\f
DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "p",
- "Move point right ARG characters (left if ARG negative).\n\
+ "Move point right N characters (left if N is negative).\n\
On reaching end of buffer, stop and signal error.")
(n)
Lisp_Object n;
}
DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "p",
- "Move point left ARG characters (right if ARG negative).\n\
+ "Move point left N characters (right if N is negative).\n\
On attempt to pass beginning or end of buffer, stop and signal error.")
(n)
Lisp_Object n;
}
DEFUN ("forward-line", Fforward_line, Sforward_line, 0, 1, "p",
- "Move ARG lines forward (backward if ARG is negative).\n\
-Precisely, if point is on line I, move to the start of line I + ARG.\n\
+ "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\
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\
-that is ARG - number of lines moved; if backward, ARG + number moved.\n\
-With positive ARG, a non-empty line at the end counts as one line\n\
+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\
successfully moved (for the return value).")
(n)
Lisp_Object n;
DEFUN ("beginning-of-line", Fbeginning_of_line, Sbeginning_of_line,
0, 1, "p",
"Move point to beginning of current line.\n\
-With argument ARG not nil or 1, move forward ARG - 1 lines first.\n\
+With argument N not nil or 1, move forward N - 1 lines first.\n\
If scan reaches end of buffer, stop there without error.")
(n)
Lisp_Object n;
DEFUN ("end-of-line", Fend_of_line, Send_of_line,
0, 1, "p",
"Move point to end of current line.\n\
-With argument ARG not nil or 1, move forward ARG - 1 lines first.\n\
+With argument N not nil or 1, move forward N - 1 lines first.\n\
If scan reaches end of buffer, stop there without error.")
(n)
Lisp_Object n;
}
DEFUN ("delete-char", Fdelete_char, Sdelete_char, 1, 2, "p\nP",
- "Delete the following ARG characters (previous, with negative arg).\n\
+ "Delete the following N characters (previous if N is negative).\n\
Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\
-Interactively, ARG is the prefix arg, and KILLFLAG is set if\n\
-ARG was explicitly specified.")
+Interactively, N is the prefix arg, and KILLFLAG is set if\n\
+N was explicitly specified.")
(n, killflag)
Lisp_Object n, killflag;
{
DEFUN ("delete-backward-char", Fdelete_backward_char, Sdelete_backward_char,
1, 2, "p\nP",
- "Delete the previous ARG characters (following, with negative ARG).\n\
+ "Delete the previous N characters (following if N is negative).\n\
Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\
-Interactively, ARG is the prefix arg, and KILLFLAG is set if\n\
-ARG was explicitly specified.")
+Interactively, N is the prefix arg, and KILLFLAG is set if\n\
+N was explicitly specified.")
(n, killflag)
Lisp_Object n, killflag;
{
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.")
- (arg)
- Lisp_Object arg;
+ (n)
+ Lisp_Object n;
{
- CHECK_NUMBER (arg, 0);
+ CHECK_NUMBER (n, 0);
/* Barf if the key that invoked this was not a character. */
if (!INTEGERP (last_command_char))
bitch_at_user ();
+ else if (XINT (n) >= 2 && NILP (current_buffer->overwrite_mode))
+ {
+ XSETFASTINT (n, XFASTINT (n) - 2);
+ /* The first one might want to expand an abbrev. */
+ internal_self_insert (XINT (last_command_char), 1);
+ /* 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. */
+ Finsert_char (last_command_char, n, Qt);
+ /* The last one might want to auto-fill. */
+ internal_self_insert (XINT (last_command_char), 0);
+ }
else
- while (XINT (arg) > 0)
+ while (XINT (n) > 0)
{
/* Ok since old and new vals both nonneg */
- XSETFASTINT (arg, XFASTINT (arg) - 1);
- internal_self_insert (XINT (last_command_char), XFASTINT (arg) != 0);
+ XSETFASTINT (n, XFASTINT (n) - 1);
+ internal_self_insert (XINT (last_command_char), XFASTINT (n) != 0);
}
return Qnil;
}
-DEFUN ("newline", Fnewline, Snewline, 0, 1, "P",
- "Insert a newline. With arg, insert that many newlines.\n\
-In Auto Fill mode, if no numeric arg, break the preceding line if it's long.")
- (arg1)
- Lisp_Object arg1;
-{
- int flag, i;
- Lisp_Object arg;
- char c1 = '\n';
-
- arg = Fprefix_numeric_value (arg1);
-
- if (!NILP (current_buffer->read_only))
- Fbarf_if_buffer_read_only ();
-
- /* Inserting a newline at the end of a line produces better
- redisplay in try_window_id than inserting at the beginning of a
- line, and the textual result is the same. So, if we're at
- beginning of line, pretend to be at the end of the previous line.
-
- We can't use internal_self_insert in that case since it won't do
- the insertion correctly. Luckily, internal_self_insert's special
- features all do nothing in that case. */
-
- flag = point > BEGV && FETCH_CHAR (point - 1) == '\n';
- /* Don't do this if at the beginning of the window. */
- if (XBUFFER (XWINDOW (selected_window)->buffer) == current_buffer
- && marker_position (XWINDOW (selected_window)->start) == PT)
- flag = 0;
-
-#ifdef USE_TEXT_PROPERTIES
- /* We cannot use this optimization if properties change
- in the vicinity.
- ??? We need to check for change hook properties, etc. */
- if (flag)
- if (! (point - 1 > BEGV && ! property_change_between_p (point - 2, point)))
- flag = 0;
-#endif
-
- if (flag)
- SET_PT (point - 1);
-
- for (i = XINT (arg); i > 0; i--)
- {
- if (flag)
- insert_and_inherit (&c1, 1);
- else
- internal_self_insert ('\n', !NILP (arg1));
- }
-
-#ifdef USE_TEXT_PROPERTIES
- if (Vuse_hard_newlines)
- {
- Lisp_Object from, to, sticky;
- XSETFASTINT (from, PT - arg);
- XSETFASTINT (to, PT);
- Fput_text_property (from, to, Qhard, Qt, Qnil);
- /* If rear_nonsticky is not "t", locally add Qhard to the list. */
- sticky = Fget_text_property (from, Qrear_nonsticky, Qnil);
- if (NILP (sticky)
- || (CONSP (sticky) && NILP (Fmemq (Qhard, sticky))))
- {
- sticky = Fcons (Qhard, sticky);
- Fput_text_property (from, to, Qrear_nonsticky, sticky, Qnil);
- }
- }
-#endif
-
-
- if (flag)
- SET_PT (point + 1);
-
- return Qnil;
-}
-
/* Insert character C1. If NOAUTOFILL is nonzero, don't do autofill
even if it is enabled.
A value of 2 means this did things that call for an undo boundary. */
internal_self_insert (c1, noautofill)
- char c1;
+ /* This has to be unsigned char; when it is char,
+ some compilers sign-extend it in SYNTAX_ENTRY, despite
+ the casts to unsigned char there. */
+ unsigned char c1;
int noautofill;
{
extern Lisp_Object Fexpand_abbrev ();
&& !noautofill
&& !NILP (current_buffer->auto_fill_function))
{
- if (c1 != '\n')
- insert_and_inherit (&c1, 1);
+ insert_and_inherit (&c1, 1);
+ if (c1 == '\n')
+ /* 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 (point - 1);
call0 (current_buffer->auto_fill_function);
if (c1 == '\n')
- insert_and_inherit (&c1, 1);
+ SET_PT (point + 1);
hairy = 2;
}
else
insert_and_inherit (&c1, 1);
+#ifdef HAVE_FACES
/* If previous command specified a face to use, use it. */
if (!NILP (Vself_insert_face)
- && EQ (last_command, Vself_insert_face_command))
+ && EQ (current_kboard->Vlast_command, Vself_insert_face_command))
{
Lisp_Object before, after;
XSETINT (before, PT - 1);
Fput_text_property (before, after, Qface, Vself_insert_face, Qnil);
Vself_insert_face = Qnil;
}
+#endif
synt = SYNTAX (c);
if ((synt == Sclose || synt == Smath)
- && !NILP (Vblink_paren_function) && INTERACTIVE)
+ && !NILP (Vblink_paren_function) && INTERACTIVE
+ && !noautofill)
{
call0 (Vblink_paren_function);
hairy = 2;
Qoverwrite_mode_binary = intern ("overwrite-mode-binary");
staticpro (&Qoverwrite_mode_binary);
- Qhard = intern ("hard");
- staticpro (&Qhard);
-
- DEFVAR_BOOL ("use-hard-newlines", &Vuse_hard_newlines,
- "Non-nil means to distinguish hard and soft newlines.\n\
-When this is non-nil, the functions `newline' and `open-line' add the\n\
-text-property `hard' to newlines that they insert. Also, a line is\n\
-only considered as a candidate to match `paragraph-start' or\n\
-`paragraph-separate' if it follows a hard newline. Newlines not\n\
-marked hard are called \"soft\", and are always internal to\n\
-paragraphs. The fill functions always insert soft newlines.");
- Vuse_hard_newlines = 0;
-
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'.");
defsubr (&Sdelete_backward_char);
defsubr (&Sself_insert_command);
- defsubr (&Snewline);
}
keys_of_cmds ()
{
int n;
- initial_define_key (global_map, Ctl ('M'), "newline");
initial_define_key (global_map, Ctl ('I'), "self-insert-command");
for (n = 040; n < 0177; n++)
initial_define_key (global_map, n, "self-insert-command");