/* Minibuffer input and completion.
- Copyright (C) 1985, 1986, 1993, 1994, 1995, 1996, 1997
+ Copyright (C) 1985, 1986, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <config.h>
+#include <stdio.h>
#include "lisp.h"
#include "commands.h"
#include "buffer.h"
invocation, the next element is used for a recursive minibuffer
invocation, etc. The list is extended at the end as deeper
minibuffer recursions are encountered. */
+
Lisp_Object Vminibuffer_list;
/* Data to remember during recursive minibuffer invocations */
+
Lisp_Object minibuf_save_list;
/* Depth in minibuffer invocations. */
+
int minibuf_level;
/* Nonzero means display completion help for invalid input. */
+
int auto_help;
/* The maximum length of a minibuffer history. */
+
Lisp_Object Qhistory_length, Vhistory_length;
/* Fread_minibuffer leaves the input here as a string. */
+
Lisp_Object last_minibuf_string;
/* Nonzero means let functions called when within a minibuffer
invoke recursive minibuffers (to read arguments, or whatever) */
+
int enable_recursive_minibuffers;
/* Nonzero means don't ignore text properties
in Fread_from_minibuffer. */
+
int minibuffer_allow_text_properties;
/* help-form is bound to this while in the minibuffer. */
Lisp_Object Vminibuffer_history_position;
-Lisp_Object Qminibuffer_history;
+Lisp_Object Qminibuffer_history, Qbuffer_name_history;
Lisp_Object Qread_file_name_internal;
Lisp_Object Qminibuffer_setup_hook, Vminibuffer_setup_hook;
Lisp_Object Qminibuffer_exit_hook, Vminibuffer_exit_hook;
+/* Function to call to read a buffer name. */
+Lisp_Object Vread_buffer_function;
+
/* Nonzero means completion ignores case. */
int completion_ignore_case;
static Lisp_Object last_exact_completion;
-Lisp_Object Quser_variable_p;
-
-Lisp_Object Qminibuffer_default;
-
/* Non-nil means it is the window for C-M-v to scroll
when the minibuffer is selected. */
+
extern Lisp_Object Vminibuf_scroll_window;
extern Lisp_Object Voverriding_local_map;
+Lisp_Object Quser_variable_p;
+
+Lisp_Object Qminibuffer_default;
+
Lisp_Object Qcurrent_input_method, Qactivate_input_method;
+extern Lisp_Object Qmouse_face;
+
+extern Lisp_Object Qfield;
\f
/* Put minibuf on currently selected frame's minibuffer.
We do this whenever the user starts a new minibuffer
void
choose_minibuf_frame ()
{
- if (selected_frame != 0
- && !EQ (minibuf_window, selected_frame->minibuffer_window))
+ if (FRAMEP (selected_frame)
+ && FRAME_LIVE_P (XFRAME (selected_frame))
+ && !EQ (minibuf_window, XFRAME (selected_frame)->minibuffer_window))
{
+ struct frame *sf = XFRAME (selected_frame);
+ Lisp_Object buffer;
+
/* I don't think that any frames may validly have a null minibuffer
window anymore. */
- if (NILP (selected_frame->minibuffer_window))
+ if (NILP (sf->minibuffer_window))
abort ();
- Fset_window_buffer (selected_frame->minibuffer_window,
- XWINDOW (minibuf_window)->buffer);
- minibuf_window = selected_frame->minibuffer_window;
+ /* Under X, we come here with minibuf_window being the
+ minibuffer window of the unused termcap window created in
+ init_window_once. That window doesn't have a buffer. */
+ buffer = XWINDOW (minibuf_window)->buffer;
+ if (BUFFERP (buffer))
+ Fset_window_buffer (sf->minibuffer_window, buffer);
+ minibuf_window = sf->minibuffer_window;
}
/* Make sure no other frame has a minibuffer as its selected window,
FOR_EACH_FRAME (tail, frame)
if (MINI_WINDOW_P (XWINDOW (FRAME_SELECTED_WINDOW (XFRAME (frame))))
- && !(XFRAME (frame) == selected_frame
+ && !(EQ (frame, selected_frame)
&& minibuf_level > 0))
Fset_frame_selected_window (frame, Fframe_first_window (frame));
}
\f
/* Actual minibuffer invocation. */
-static void read_minibuf_unwind ();
-Lisp_Object get_minibuffer ();
-static Lisp_Object read_minibuf ();
+static Lisp_Object read_minibuf_unwind P_ ((Lisp_Object));
+static Lisp_Object read_minibuf P_ ((Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ int, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ int, int));
+static Lisp_Object read_minibuf_noninteractive P_ ((Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ int, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ int, int));
+static Lisp_Object string_to_object P_ ((Lisp_Object, Lisp_Object));
+
+
+/* Read a Lisp object from VAL and return it. If VAL is an empty
+ string, and DEFALT is a string, read from DEFALT instead of VAL. */
+
+static Lisp_Object
+string_to_object (val, defalt)
+ Lisp_Object val, defalt;
+{
+ struct gcpro gcpro1, gcpro2;
+ Lisp_Object expr_and_pos;
+ int pos;
+
+ GCPRO2 (val, defalt);
+
+ if (STRINGP (val) && XSTRING (val)->size == 0
+ && STRINGP (defalt))
+ val = defalt;
+
+ expr_and_pos = Fread_from_string (val, Qnil, Qnil);
+ pos = XINT (Fcdr (expr_and_pos));
+ if (pos != XSTRING (val)->size)
+ {
+ /* Ignore trailing whitespace; any other trailing junk
+ is an error. */
+ int i;
+ pos = string_char_to_byte (val, pos);
+ for (i = pos; i < STRING_BYTES (XSTRING (val)); i++)
+ {
+ int c = XSTRING (val)->data[i];
+ if (c != ' ' && c != '\t' && c != '\n')
+ error ("Trailing garbage following expression");
+ }
+ }
+
+ val = Fcar (expr_and_pos);
+ RETURN_UNGCPRO (val);
+}
+
+
+/* Like read_minibuf but reading from stdin. This function is called
+ from read_minibuf to do the job if noninteractive. */
+
+static Lisp_Object
+read_minibuf_noninteractive (map, initial, prompt, backup_n, expflag,
+ histvar, histpos, defalt, allow_props,
+ inherit_input_method)
+ Lisp_Object map;
+ Lisp_Object initial;
+ Lisp_Object prompt;
+ Lisp_Object backup_n;
+ int expflag;
+ Lisp_Object histvar;
+ Lisp_Object histpos;
+ Lisp_Object defalt;
+ int allow_props;
+ int inherit_input_method;
+{
+ int size, len;
+ char *line, *s;
+ struct gcpro gcpro1, gcpro2;
+ Lisp_Object val;
+
+ fprintf (stdout, "%s", XSTRING (prompt)->data);
+ fflush (stdout);
+
+ size = 100;
+ len = 0;
+ line = (char *) xmalloc (size * sizeof *line);
+ while ((s = fgets (line + len, size - len, stdin)) != NULL
+ && (len = strlen (line),
+ len == size - 1 && line[len - 1] != '\n'))
+ {
+ size *= 2;
+ line = (char *) xrealloc (line, size);
+ }
+
+ if (s)
+ {
+ len = strlen (line);
+
+ if (len > 0 && line[len - 1] == '\n')
+ line[--len] = '\0';
+
+ val = build_string (line);
+ xfree (line);
+ }
+ else
+ {
+ xfree (line);
+ error ("Error reading from stdin");
+ }
+
+ /* If Lisp form desired instead of string, parse it. */
+ if (expflag)
+ val = string_to_object (val, defalt);
+
+ return val;
+}
+
/* Read from the minibuffer using keymap MAP, initial contents INITIAL
- (a string), putting point minus BACKUP_N chars from the end of INITIAL,
+ (a string), putting point minus BACKUP_N bytes from the end of INITIAL,
prompting with PROMPT (a string), using history list HISTVAR
with initial position HISTPOS. (BACKUP_N should be <= 0.)
Lisp_Object histvar;
Lisp_Object histpos;
Lisp_Object defalt;
+ int allow_props;
int inherit_input_method;
{
Lisp_Object val;
Lisp_Object mini_frame, ambient_dir, minibuffer, input_method;
struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5;
Lisp_Object enable_multibyte;
+ extern Lisp_Object Qread_only, Qfront_sticky;
+ extern Lisp_Object Qrear_nonsticky;
specbind (Qminibuffer_default, defalt);
build_string ("Command attempted to use minibuffer while in minibuffer"));
}
+ if (noninteractive)
+ return read_minibuf_noninteractive (map, initial, prompt, backup_n,
+ expflag, histvar, histpos, defalt,
+ allow_props, inherit_input_method);
+
/* Choose the minibuffer window and frame, and take action on them. */
choose_minibuf_frame ();
/* If the minibuffer window is on a different frame, save that
frame's configuration too. */
mini_frame = WINDOW_FRAME (XWINDOW (minibuf_window));
- if (XFRAME (mini_frame) != selected_frame)
+ if (!EQ (mini_frame, selected_frame))
record_unwind_protect (Fset_window_configuration,
Fcurrent_window_configuration (mini_frame));
/* Now that we can restore all those variables, start changing them. */
- minibuf_prompt_width = 0; /* xdisp.c puts in the right value. */
+ minibuf_prompt_width = 0;
minibuf_prompt = Fcopy_sequence (prompt);
Vminibuffer_history_position = histpos;
Vminibuffer_history_variable = histvar;
for (buf_list = Vbuffer_alist;
CONSP (buf_list);
- buf_list = XCONS (buf_list)->cdr)
+ buf_list = XCDR (buf_list))
{
Lisp_Object other_buf;
- other_buf = XCONS (XCONS (buf_list)->car)->cdr;
+ other_buf = XCDR (XCAR (buf_list));
if (STRINGP (XBUFFER (other_buf)->directory))
{
current_buffer->directory = XBUFFER (other_buf)->directory;
}
}
- if (XFRAME (mini_frame) != selected_frame)
- Fredirect_frame_focus (Fselected_frame (), mini_frame);
+ if (!EQ (mini_frame, selected_frame))
+ Fredirect_frame_focus (selected_frame, mini_frame);
Vminibuf_scroll_window = selected_window;
Fset_window_buffer (minibuf_window, Fcurrent_buffer ());
unbind_to (count1, Qnil);
}
+ if (!NILP (current_buffer->enable_multibyte_characters)
+ && ! STRING_MULTIBYTE (minibuf_prompt))
+ minibuf_prompt = Fstring_make_multibyte (minibuf_prompt);
+
+ /* Insert the prompt, record where it ends. */
+ Finsert (1, &minibuf_prompt);
+ if (PT > BEG)
+ {
+ Fput_text_property (make_number (BEG), make_number (PT),
+ Qfront_sticky, Qt, Qnil);
+ Fput_text_property (make_number (BEG), make_number (PT),
+ Qrear_nonsticky, Qt, Qnil);
+ Fput_text_property (make_number (BEG), make_number (PT),
+ Qfield, Qt, Qnil);
+ Fput_text_property (make_number (BEG), make_number (PT),
+ Qread_only, Qt, Qnil);
+ }
+
+ minibuf_prompt_width = current_column ();
+
+ /* If appropriate, copy enable-multibyte-characters into the minibuffer. */
+ if (inherit_input_method)
+ current_buffer->enable_multibyte_characters = enable_multibyte;
+
/* Put in the initial input. */
if (!NILP (initial))
{
Finsert (1, &initial);
- if (!NILP (backup_n) && INTEGERP (backup_n))
- Fgoto_char (make_number (PT + XFASTINT (backup_n)));
+ if (INTEGERP (backup_n))
+ Fforward_char (backup_n);
}
- echo_area_glyphs = 0;
- /* This is in case the minibuffer-setup-hook calls Fsit_for. */
- previous_echo_glyphs = 0;
-
+ clear_message (1, 1);
current_buffer->keymap = map;
/* Turn on an input method stored in INPUT_METHOD if any. */
if (STRINGP (input_method) && !NILP (Ffboundp (Qactivate_input_method)))
call1 (Qactivate_input_method, input_method);
- /* If appropriate, copy enable-multibyte-characters into the minibuffer. */
- if (inherit_input_method)
- current_buffer->enable_multibyte_characters = enable_multibyte;
-
/* Run our hook, but not if it is empty.
(run-hooks would do nothing if it is empty,
but it's important to save time here in the usual case). */
&& !NILP (Vrun_hooks))
call1 (Vrun_hooks, Qminibuffer_setup_hook);
-/* ??? MCC did redraw_screen here if switching screens. */
recursive_edit_1 ();
/* If cursor is on the minibuffer line,
show the user we have exited by putting it in column 0. */
- if ((FRAME_CURSOR_Y (selected_frame)
- >= XFASTINT (XWINDOW (minibuf_window)->top))
+ if (XWINDOW (minibuf_window)->cursor.vpos >= 0
&& !noninteractive)
{
- FRAME_CURSOR_X (selected_frame)
- = FRAME_LEFT_SCROLL_BAR_WIDTH (selected_frame);
- update_frame (selected_frame, 1, 1);
+ XWINDOW (minibuf_window)->cursor.hpos = 0;
+ XWINDOW (minibuf_window)->cursor.x = 0;
+ XWINDOW (minibuf_window)->must_be_updated_p = 1;
+ update_frame (XFRAME (selected_frame), 1, 1);
+ if (rif && rif->flush_display)
+ rif->flush_display (XFRAME (XWINDOW (minibuf_window)->frame));
}
/* Make minibuffer contents into a string. */
Fset_buffer (minibuffer);
- val = make_buffer_string (1, Z, allow_props);
-#if 0 /* make_buffer_string should handle the gap. */
- bcopy (GAP_END_ADDR, XSTRING (val)->data + GPT - BEG, Z - GPT);
-#endif
+ val = Ffield_string (make_number (ZV), allow_props ? Qt : Qnil);
/* VAL is the string of minibuffer text. */
+
last_minibuf_string = val;
/* Add the value to the appropriate history list unless it is empty. */
if (XSTRING (val)->size != 0
- && SYMBOLP (Vminibuffer_history_variable)
- && ! EQ (XSYMBOL (Vminibuffer_history_variable)->value, Qunbound))
+ && SYMBOLP (Vminibuffer_history_variable))
{
/* If the caller wanted to save the value read on a history list,
then do so if the value is not already the front of the list. */
Lisp_Object histval;
+
+ /* If variable is unbound, make it nil. */
+ if (EQ (XSYMBOL (Vminibuffer_history_variable)->value, Qunbound))
+ Fset (Vminibuffer_history_variable, Qnil);
+
histval = Fsymbol_value (Vminibuffer_history_variable);
/* The value of the history variable must be a cons or nil. Other
/* If Lisp form desired instead of string, parse it. */
if (expflag)
- {
- Lisp_Object expr_and_pos;
- unsigned char *p;
-
- expr_and_pos = Fread_from_string (val, Qnil, Qnil);
- /* Ignore trailing whitespace; any other trailing junk is an error. */
- for (p = XSTRING (val)->data + XINT (Fcdr (expr_and_pos)); *p; p++)
- if (*p != ' ' && *p != '\t' && *p != '\n')
- error ("Trailing garbage following expression");
- val = Fcar (expr_and_pos);
- }
+ val = string_to_object (val, defalt);
/* The appropriate frame will get selected
in set-window-configuration. */
enabled in it. */
Fbuffer_enable_undo (buf);
- XCONS (tail)->car = buf;
+ XCAR (tail) = buf;
}
else
{
return buf;
}
-/* This function is called on exiting minibuffer, whether normally or not,
- and it restores the current window, buffer, etc. */
+/* This function is called on exiting minibuffer, whether normally or
+ not, and it restores the current window, buffer, etc. */
-static void
+static Lisp_Object
read_minibuf_unwind (data)
Lisp_Object data;
{
minibuf_level--;
window = minibuf_window;
- /* To keep things predictable, in case it matters, let's be in the minibuffer
- when we reset the relevant variables. */
+ /* To keep things predictable, in case it matters, let's be in the
+ minibuffer when we reset the relevant variables. */
Fset_buffer (XWINDOW (window)->buffer);
/* Restore prompt, etc, from outer minibuffer level. */
unbind_to (count, Qnil);
}
+ /* When we get to the outmost level, make sure we resize the
+ mini-window back to its normal size. */
+ if (minibuf_level == 0)
+ resize_mini_window (XWINDOW (window), 0);
+
/* Make sure minibuffer window is erased, not ignored. */
windows_or_buffers_changed++;
XSETFASTINT (XWINDOW (window)->last_modified, 0);
XSETFASTINT (XWINDOW (window)->last_overlay_modified, 0);
+ return Qnil;
}
\f
and HISTPOS is the initial position (the position in the list\n\
which INITIAL-CONTENTS corresponds to).\n\
Positions are counted starting from 1 at the beginning of the list.\n\
-Sixth arg DEFAULT-VALUE is the default value. If non-nil, it is used\n\
- for history commands, and as the value to return if the user enters\n\
- the empty string.\n\
+Sixth arg DEFAULT-VALUE is the default value. If non-nil, it is available\n\
+ for history commands; but `read-from-minibuffer' does NOT return DEFAULT-VALUE\n\
+ if the user enters empty input! It returns the empty string.\n\
Seventh arg INHERIT-INPUT-METHOD, if non-nil, means the minibuffer inherits\n\
the current input method and the setting of enable-multibyte-characters.\n\
-If the variable `minibuffer-allow-text-properties is non-nil,\n\
+If the variable `minibuffer-allow-text-properties' is non-nil,\n\
then the string which is returned includes whatever text properties\n\
were present in the minibuffer. Otherwise the value has no text properties.")
(prompt, initial_contents, keymap, read, hist, default_value, inherit_input_method)
histvar, histpos, default_value,
minibuffer_allow_text_properties,
!NILP (inherit_input_method));
- if (STRINGP (val) && XSTRING (val)->size == 0 && ! NILP (default_value))
- val = default_value;
UNGCPRO;
return val;
}
The third arg HISTORY, if non-nil, specifies a history list\n\
and optionally the initial position in the list.\n\
See `read-from-minibuffer' for details of HISTORY argument.\n\
-Fourth arg INHERIT-INPUT-METHOD, if non-nil, means the minibuffer inherits\n\
+Fourth arg DEFAULT-VALUE is the default value. If non-nil, it is used\n\
+ for history commands, and as the value to return if the user enters\n\
+ the empty string.\n\
+Fifth arg INHERIT-INPUT-METHOD, if non-nil, means the minibuffer inherits\n\
the current input method and the setting of enable-multibyte-characters.")
(prompt, initial_input, history, default_value, inherit_input_method)
Lisp_Object prompt, initial_input, history, default_value;
Lisp_Object inherit_input_method;
{
- return Fread_from_minibuffer (prompt, initial_input, Qnil,
- Qnil, history, default_value,
- inherit_input_method);
+ Lisp_Object val;
+ val = Fread_from_minibuffer (prompt, initial_input, Qnil,
+ Qnil, history, default_value,
+ inherit_input_method);
+ if (STRINGP (val) && XSTRING (val)->size == 0 && ! NILP (default_value))
+ val = default_value;
+ return val;
}
DEFUN ("read-no-blanks-input", Fread_no_blanks_input, Sread_no_blanks_input, 1, 3, 0,
- "Args PROMPT and INIT, strings. Read a string from the terminal, not allowing blanks.\n\
-Prompt with PROMPT, and provide INIT as an initial value of the input string.\n\
+ "Read a string from the terminal, not allowing blanks.\n\
+Prompt with PROMPT, and provide INITIAL as an initial value of the input string.\n\
Third arg INHERIT-INPUT-METHOD, if non-nil, means the minibuffer inherits\n\
the current input method and the setting of enable-multibyte-characters.")
- (prompt, init, inherit_input_method)
- Lisp_Object prompt, init, inherit_input_method;
+ (prompt, initial, inherit_input_method)
+ Lisp_Object prompt, initial, inherit_input_method;
{
CHECK_STRING (prompt, 0);
- if (! NILP (init))
- CHECK_STRING (init, 1);
+ if (! NILP (initial))
+ CHECK_STRING (initial, 1);
- return read_minibuf (Vminibuffer_local_ns_map, init, prompt, Qnil,
+ return read_minibuf (Vminibuffer_local_ns_map, initial, prompt, Qnil,
0, Qminibuffer_history, make_number (0), Qnil, 0,
!NILP (inherit_input_method));
}
(prompt, default_value)
Lisp_Object prompt, default_value;
{
- return Fintern (Fcompleting_read (prompt, Vobarray, Qcommandp, Qt,
- Qnil, Qnil, default_value, Qnil),
- Qnil);
+ Lisp_Object name, default_string;
+
+ if (NILP (default_value))
+ default_string = Qnil;
+ else if (SYMBOLP (default_value))
+ XSETSTRING (default_string, XSYMBOL (default_value)->name);
+ else
+ default_string = default_value;
+
+ name = Fcompleting_read (prompt, Vobarray, Qcommandp, Qt,
+ Qnil, Qnil, default_string, Qnil);
+ if (NILP (name))
+ return name;
+ return Fintern (name, Qnil);
}
#ifdef NOTDEF
(prompt, default_value)
Lisp_Object prompt, default_value;
{
- return Fintern (Fcompleting_read (prompt, Vobarray,
- Quser_variable_p, Qt,
- Qnil, Qnil, default_value, Qnil),
- Qnil);
+ Lisp_Object name, default_string;
+
+ if (NILP (default_value))
+ default_string = Qnil;
+ else if (SYMBOLP (default_value))
+ XSETSTRING (default_string, XSYMBOL (default_value)->name);
+ else
+ default_string = default_value;
+
+ name = Fcompleting_read (prompt, Vobarray,
+ Quser_variable_p, Qt,
+ Qnil, Qnil, default_string, Qnil);
+ if (NILP (name))
+ return name;
+ return Fintern (name, Qnil);
}
DEFUN ("read-buffer", Fread_buffer, Sread_buffer, 1, 3, 0,
(prompt, def, require_match)
Lisp_Object prompt, def, require_match;
{
- Lisp_Object tem;
- Lisp_Object args[3];
-
+ Lisp_Object args[4];
+
if (BUFFERP (def))
def = XBUFFER (def)->name;
- if (!NILP (def))
+
+ if (NILP (Vread_buffer_function))
{
- args[0] = build_string ("%s(default %s) ");
+ if (!NILP (def))
+ {
+ args[0] = build_string ("%s(default %s) ");
+ args[1] = prompt;
+ args[2] = def;
+ prompt = Fformat (3, args);
+ }
+
+ return Fcompleting_read (prompt, Vbuffer_alist, Qnil,
+ require_match, Qnil, Qbuffer_name_history,
+ def, Qnil);
+ }
+ else
+ {
+ args[0] = Vread_buffer_function;
args[1] = prompt;
args[2] = def;
- prompt = Fformat (3, args);
+ args[3] = require_match;
+ return Ffuncall(4, args);
}
- return Fcompleting_read (prompt, Vbuffer_alist, Qnil,
- require_match, Qnil, Qnil, def, Qnil);
}
\f
+static Lisp_Object
+minibuf_conform_representation (string, basis)
+ Lisp_Object string, basis;
+{
+ if (STRING_MULTIBYTE (string) == STRING_MULTIBYTE (basis))
+ return string;
+
+ if (STRING_MULTIBYTE (string))
+ return Fstring_make_unibyte (string);
+ else
+ return Fstring_make_multibyte (string);
+}
+
DEFUN ("try-completion", Ftry_completion, Stry_completion, 2, 3, 0,
"Return common substring of all completions of STRING in ALIST.\n\
Each car of each element of ALIST is tested to see if it begins with STRING.\n\
Lisp_Object string, alist, predicate;
{
Lisp_Object bestmatch, tail, elt, eltstring;
+ /* Size in bytes of BESTMATCH. */
int bestmatchsize;
+ /* These are in bytes, too. */
int compare, matchsize;
int list = CONSP (alist) || NILP (alist);
int index, obsize;
if (STRINGP (eltstring)
&& XSTRING (string)->size <= XSTRING (eltstring)->size
- && 0 > scmp (XSTRING (eltstring)->data, XSTRING (string)->data,
- XSTRING (string)->size))
+ && (tem = Fcompare_strings (eltstring, make_number (0),
+ make_number (XSTRING (string)->size),
+ string, make_number (0), Qnil,
+ completion_ignore_case ?Qt : Qnil),
+ EQ (Qt, tem)))
{
/* Yes. */
Lisp_Object regexps;
/* Ignore this element if it fails to match all the regexps. */
for (regexps = Vcompletion_regexp_list; CONSP (regexps);
- regexps = XCONS (regexps)->cdr)
+ regexps = XCDR (regexps))
{
- tem = Fstring_match (XCONS (regexps)->car, eltstring, zero);
+ tem = Fstring_match (XCAR (regexps), eltstring, zero);
if (NILP (tem))
break;
}
matchcount++;
if (NILP (bestmatch))
- bestmatch = eltstring, bestmatchsize = XSTRING (eltstring)->size;
+ {
+ bestmatch = eltstring;
+ bestmatchsize = XSTRING (eltstring)->size;
+ }
else
{
compare = min (bestmatchsize, XSTRING (eltstring)->size);
- matchsize = scmp (XSTRING (bestmatch)->data,
- XSTRING (eltstring)->data,
- compare);
+ tem = Fcompare_strings (bestmatch, make_number (0),
+ make_number (compare),
+ eltstring, make_number (0),
+ make_number (compare),
+ completion_ignore_case ? Qt : Qnil);
+ if (EQ (tem, Qt))
+ matchsize = compare;
+ else if (XINT (tem) < 0)
+ matchsize = - XINT (tem) - 1;
+ else
+ matchsize = XINT (tem) - 1;
+
if (matchsize < 0)
matchsize = compare;
if (completion_ignore_case)
((matchsize == XSTRING (eltstring)->size)
==
(matchsize == XSTRING (bestmatch)->size)
- && !bcmp (XSTRING (eltstring)->data,
- XSTRING (string)->data, XSTRING (string)->size)
- && bcmp (XSTRING (bestmatch)->data,
- XSTRING (string)->data, XSTRING (string)->size)))
+ && (tem = Fcompare_strings (eltstring, make_number (0),
+ make_number (XSTRING (string)->size),
+ string, make_number (0),
+ Qnil,
+ Qnil),
+ EQ (Qt, tem))
+ && (tem = Fcompare_strings (bestmatch, make_number (0),
+ make_number (XSTRING (string)->size),
+ string, make_number (0),
+ Qnil,
+ Qnil),
+ ! EQ (Qt, tem))))
bestmatch = eltstring;
}
bestmatchsize = matchsize;
don't change the case of what the user typed. */
if (completion_ignore_case && bestmatchsize == XSTRING (string)->size
&& XSTRING (bestmatch)->size > bestmatchsize)
- return string;
+ return minibuf_conform_representation (string, bestmatch);
/* Return t if the supplied string is an exact match (counting case);
it does not require any change to be made. */
if (matchcount == 1 && bestmatchsize == XSTRING (string)->size
- && !bcmp (XSTRING (bestmatch)->data, XSTRING (string)->data,
- bestmatchsize))
+ && (tem = Fcompare_strings (bestmatch, make_number (0),
+ make_number (bestmatchsize),
+ string, make_number (0),
+ make_number (bestmatchsize),
+ Qnil),
+ EQ (Qt, tem)))
return Qt;
XSETFASTINT (zero, 0); /* Else extract the part in which */
int len;
{
register int l = len;
- register unsigned char *start = s1;
if (completion_ignore_case)
{
&& XSTRING (string)->size <= XSTRING (eltstring)->size
/* If HIDE_SPACES, reject alternatives that start with space
unless the input starts with space. */
- && ((XSTRING (string)->size > 0 && XSTRING (string)->data[0] == ' ')
+ && ((STRING_BYTES (XSTRING (string)) > 0
+ && XSTRING (string)->data[0] == ' ')
|| XSTRING (eltstring)->data[0] != ' '
|| NILP (hide_spaces))
- && 0 > scmp (XSTRING (eltstring)->data, XSTRING (string)->data,
- XSTRING (string)->size))
+ && (tem = Fcompare_strings (eltstring, make_number (0),
+ make_number (XSTRING (string)->size),
+ string, make_number (0),
+ make_number (XSTRING (string)->size),
+ completion_ignore_case ? Qt : Qnil),
+ EQ (Qt, tem)))
{
/* Yes. */
Lisp_Object regexps;
/* Ignore this element if it fails to match all the regexps. */
for (regexps = Vcompletion_regexp_list; CONSP (regexps);
- regexps = XCONS (regexps)->cdr)
+ regexps = XCDR (regexps))
{
- tem = Fstring_match (XCONS (regexps)->car, eltstring, zero);
+ tem = Fstring_match (XCAR (regexps), eltstring, zero);
if (NILP (tem))
break;
}
Lisp_Object Vminibuffer_completion_table, Qminibuffer_completion_table;
Lisp_Object Vminibuffer_completion_predicate, Qminibuffer_completion_predicate;
Lisp_Object Vminibuffer_completion_confirm, Qminibuffer_completion_confirm;
+Lisp_Object Vminibuffer_completing_file_name;
/* This comment supplies the doc string for completing-read,
for make-docfile to see. We cannot put this in the real DEFUN
PROMPT is a string to prompt with; normally it ends in a colon and a space.\n\
TABLE is an alist whose elements' cars are strings, or an obarray.\n\
PREDICATE limits completion to a subset of TABLE.\n\
-See `try-completion' and `all-completions' for more details
+See `try-completion' and `all-completions' for more details\n\
on completion, TABLE, and PREDICATE.\n\
\n\
If REQUIRE-MATCH is non-nil, the user is not allowed to exit unless\n\
or it can be a cons cell (HISTVAR . HISTPOS).\n\
In that case, HISTVAR is the history list variable to use,\n\
and HISTPOS is the initial position (the position in the list\n\
- which INITIAL-CONTENTS corresponds to).\n\
+ which INITIAL-INPUT corresponds to).\n\
Positions are counted starting from 1 at the beginning of the list.\n\
DEF, if non-nil, is the default value.\n\
\n\
int pos = 0;
int count = specpdl_ptr - specpdl;
struct gcpro gcpro1;
- int disable_multibyte = EQ (table, Qread_file_name_internal);
GCPRO1 (def);
init, prompt, make_number (pos), 0,
histvar, histpos, def, 0,
!NILP (inherit_input_method));
+
if (STRINGP (val) && XSTRING (val)->size == 0 && ! NILP (def))
val = def;
+
RETURN_UNGCPRO (unbind_to (count, val));
}
\f
Lisp_Object Fminibuffer_completion_help ();
Lisp_Object assoc_for_completion ();
-/* A subroutine of Fintern_soft. */
-extern Lisp_Object oblookup ();
-
/* Test whether TXT is an exact completion. */
Lisp_Object
{
/* Bypass intern-soft as that loses for nil */
tem = oblookup (Vminibuffer_completion_table,
- XSTRING (txt)->data, XSTRING (txt)->size);
+ XSTRING (txt)->data,
+ XSTRING (txt)->size,
+ STRING_BYTES (XSTRING (txt)));
if (!SYMBOLP (tem))
- return Qnil;
- else if (!NILP (Vminibuffer_completion_predicate))
+ {
+ if (STRING_MULTIBYTE (txt))
+ txt = Fstring_make_unibyte (txt);
+ else
+ txt = Fstring_make_multibyte (txt);
+
+ tem = oblookup (Vminibuffer_completion_table,
+ XSTRING (txt)->data,
+ XSTRING (txt)->size,
+ STRING_BYTES (XSTRING (txt)));
+ if (!SYMBOLP (tem))
+ return Qnil;
+ }
+ if (!NILP (Vminibuffer_completion_predicate))
return call1 (Vminibuffer_completion_predicate, tem);
else
return Qt;
Lisp_Object last;
struct gcpro gcpro1, gcpro2;
- completion = Ftry_completion (Fbuffer_string (), Vminibuffer_completion_table,
+ completion = Ftry_completion (Ffield_string (ZV),
+ Vminibuffer_completion_table,
Vminibuffer_completion_predicate);
last = last_exact_completion;
last_exact_completion = Qnil;
}
/* compiler bug */
- tem = Fstring_equal (completion, Fbuffer_string());
- if (completedp = NILP (tem))
+ tem = Fstring_equal (completion, Ffield_string(ZV));
+ completedp = NILP (tem);
+ if (completedp)
{
- Ferase_buffer (); /* Some completion happened */
+ Fdelete_field (make_number (ZV)); /* Some completion happened */
Finsert (1, &completion);
}
/* It did find a match. Do we match some possibility exactly now? */
- tem = test_completion (Fbuffer_string ());
+ tem = test_completion (Ffield_string(ZV));
if (NILP (tem))
{
/* not an exact match */
last_exact_completion = completion;
if (!NILP (last))
{
- tem = Fbuffer_string ();
+ tem = Ffield_string (ZV);
if (!NILP (Fequal (tem, last)))
Fminibuffer_completion_help ();
}
{
register Lisp_Object tail;
- if (completion_ignore_case)
- key = Fupcase (key);
-
for (tail = list; !NILP (tail); tail = Fcdr (tail))
{
register Lisp_Object elt, tem, thiscar;
thiscar = Fcar (elt);
if (!STRINGP (thiscar))
continue;
- if (completion_ignore_case)
- thiscar = Fupcase (thiscar);
- tem = Fequal (thiscar, key);
- if (!NILP (tem)) return elt;
+ tem = Fcompare_strings (thiscar, make_number (0), Qnil,
+ key, make_number (0), Qnil,
+ completion_ignore_case ? Qt : Qnil);
+ if (EQ (tem, Qt))
+ return elt;
QUIT;
}
return Qnil;
register int i;
Lisp_Object window, tem;
- /* If the previous command was not this, then mark the completion
- buffer obsolete. */
- if (! EQ (current_kboard->Vlast_command, this_command))
+ /* If the previous command was not this,
+ mark the completion buffer obsolete. */
+ if (! EQ (current_kboard->Vlast_command, Vthis_command))
Vminibuf_scroll_window = Qnil;
window = Vminibuf_scroll_window;
Lisp_Object val;
/* Allow user to specify null string */
- if (BEGV == ZV)
+ if (Ffield_beginning (ZV, Qnil) == ZV)
goto exit;
- if (!NILP (test_completion (Fbuffer_string ())))
+ if (!NILP (test_completion (Ffield_string (ZV))))
goto exit;
/* Call do_completion, but ignore errors. */
Return nil if there is no valid completion, else t.")
()
{
- Lisp_Object completion, tem;
- register int i;
+ Lisp_Object completion, tem, tem1;
+ register int i, i_byte;
register unsigned char *completion_string;
struct gcpro gcpro1, gcpro2;
+ int prompt_end_charpos;
/* We keep calling Fbuffer_string rather than arrange for GC to
hold onto a pointer to one of the strings thus made. */
- completion = Ftry_completion (Fbuffer_string (),
+ completion = Ftry_completion (Ffield_string (ZV),
Vminibuffer_completion_table,
Vminibuffer_completion_predicate);
if (NILP (completion))
return Qnil;
#if 0 /* How the below code used to look, for reference. */
- tem = Fbuffer_string ();
+ tem = Ffield_string (ZV);
b = XSTRING (tem)->data;
i = ZV - 1 - XSTRING (completion)->size;
p = XSTRING (completion)->data;
}
#else /* Rewritten code */
{
- register unsigned char *buffer_string;
- int buffer_length, completion_length;
+ int buffer_nchars, completion_nchars;
CHECK_STRING (completion, 0);
- tem = Fbuffer_string ();
+ tem = Ffield_string (ZV);
GCPRO2 (completion, tem);
/* If reading a file name,
expand any $ENVVAR refs in the buffer and in TEM. */
- if (EQ (Vminibuffer_completion_table, Qread_file_name_internal))
+ if (! NILP (Vminibuffer_completing_file_name))
{
Lisp_Object substituted;
substituted = Fsubstitute_in_file_name (tem);
if (! EQ (substituted, tem))
{
tem = substituted;
- Ferase_buffer ();
- insert_from_string (tem, 0, XSTRING (tem)->size, 0);
+ Fdelete_field (make_number (ZV));
+ insert_from_string (tem, 0, 0, XSTRING (tem)->size,
+ STRING_BYTES (XSTRING (tem)), 0);
}
}
- buffer_string = XSTRING (tem)->data;
- completion_string = XSTRING (completion)->data;
- buffer_length = XSTRING (tem)->size; /* ie ZV - BEGV */
- completion_length = XSTRING (completion)->size;
- i = buffer_length - completion_length;
- /* Mly: I don't understand what this is supposed to do AT ALL */
- if (i > 0 ||
- 0 <= scmp (buffer_string, completion_string, buffer_length))
+ buffer_nchars = XSTRING (tem)->size; /* ie ZV - BEGV */
+ completion_nchars = XSTRING (completion)->size;
+ i = buffer_nchars - completion_nchars;
+ if (i > 0
+ ||
+ (tem1 = Fcompare_strings (tem, make_number (0),
+ make_number (buffer_nchars),
+ completion, make_number (0),
+ make_number (buffer_nchars),
+ completion_ignore_case ? Qt : Qnil),
+ ! EQ (tem1, Qt)))
{
- /* Set buffer to longest match of buffer tail and completion head. */
+ int start_pos;
+
+ /* Set buffer to longest match of buffer tail and completion head. */
if (i <= 0) i = 1;
- buffer_string += i;
- buffer_length -= i;
- while (0 <= scmp (buffer_string++, completion_string, buffer_length--))
- i++;
+ start_pos= i;
+ buffer_nchars -= i;
+ while (i > 0)
+ {
+ tem1 = Fcompare_strings (tem, make_number (start_pos), Qnil,
+ completion, make_number (0),
+ make_number (buffer_nchars),
+ completion_ignore_case ? Qt : Qnil);
+ start_pos++;
+ if (EQ (tem1, Qt))
+ break;
+ i++;
+ buffer_nchars--;
+ }
del_range (1, i + 1);
- SET_PT (ZV);
+ SET_PT_BOTH (ZV, ZV_BYTE);
}
UNGCPRO;
}
#endif /* Rewritten code */
- i = ZV - BEGV;
+
+ prompt_end_charpos = Ffield_beginning (make_number (ZV), Qnil);
+
+ {
+ int prompt_end_bytepos;
+ prompt_end_bytepos = CHAR_TO_BYTE (prompt_end_charpos);
+ i = ZV - prompt_end_charpos;
+ i_byte = ZV_BYTE - prompt_end_bytepos;
+ }
/* If completion finds next char not unique,
consider adding a space or a hyphen. */
if (i == XSTRING (completion)->size)
{
GCPRO1 (completion);
- tem = Ftry_completion (concat2 (Fbuffer_string (), build_string (" ")),
+ tem = Ftry_completion (concat2 (Ffield_string (ZV), build_string (" ")),
Vminibuffer_completion_table,
Vminibuffer_completion_predicate);
UNGCPRO;
{
GCPRO1 (completion);
tem =
- Ftry_completion (concat2 (Fbuffer_string (), build_string ("-")),
+ Ftry_completion (concat2 (Ffield_string (ZV), build_string ("-")),
Vminibuffer_completion_table,
Vminibuffer_completion_predicate);
UNGCPRO;
i gets index in string of where to stop completing. */
{
int len, c;
-
+ int bytes = STRING_BYTES (XSTRING (completion));
completion_string = XSTRING (completion)->data;
- for (; i < XSTRING (completion)->size; i += len)
+ for (; i_byte < STRING_BYTES (XSTRING (completion)); i_byte += len, i++)
{
- c = STRING_CHAR_AND_LENGTH (completion_string + i,
- XSTRING (completion)->size - i,
+ c = STRING_CHAR_AND_LENGTH (completion_string + i_byte,
+ bytes - i_byte,
len);
if (SYNTAX (c) != Sword)
{
- i += len;
+ i_byte += len;
+ i++;
break;
}
}
/* If got no characters, print help for user. */
- if (i == ZV - BEGV)
+ if (i == ZV - prompt_end_charpos)
{
if (auto_help)
Fminibuffer_completion_help ();
/* Otherwise insert in minibuffer the chars we got */
- Ferase_buffer ();
- insert_from_string (completion, 0, i, 1);
+ Fdelete_field (make_number (ZV));
+ insert_from_string (completion, 0, 0, i, i_byte, 1);
return Qt;
}
\f
Each element may be just a symbol or string\n\
or may be a list of two strings to be printed as if concatenated.\n\
`standard-output' must be a buffer.\n\
-At the end, run the normal hook `completion-setup-hook'.\n\
+The actual completion alternatives, as inserted, are given `mouse-face'\n\
+properties of `highlight'.\n\
+At the end, this runs the normal hook `completion-setup-hook'.\n\
It can find the completion buffer in `standard-output'.")
(completions)
Lisp_Object completions;
write_string ("Possible completions are:", -1);
for (tail = completions, i = 0; !NILP (tail); tail = Fcdr (tail), i++)
{
- Lisp_Object tem;
+ Lisp_Object tem, string;
int length;
Lisp_Object startpos, endpos;
don't put another on the same line. */
if (column > 33 || first
/* If this is really wide, don't put it second on a line. */
- || column > 0 && length > 45)
+ || (column > 0 && length > 45))
{
Fterpri (Qnil);
column = 0;
Qnil, Vstandard_output);
}
- /* Output this element and update COLUMN. */
+ /* Output this element.
+ If necessary, convert it to unibyte or to multibyte first. */
if (CONSP (elt))
+ string = Fcar (elt);
+ else
+ string = elt;
+ if (NILP (current_buffer->enable_multibyte_characters)
+ && STRING_MULTIBYTE (string))
+ string = Fstring_make_unibyte (string);
+ else if (!NILP (current_buffer->enable_multibyte_characters)
+ && !STRING_MULTIBYTE (string))
+ string = Fstring_make_multibyte (string);
+
+ if (BUFFERP (Vstandard_output))
{
- Fprinc (Fcar (elt), Qnil);
- Fprinc (Fcar (Fcdr (elt)), Qnil);
+ XSETINT (startpos, BUF_PT (XBUFFER (Vstandard_output)));
+
+ Fprinc (string, Qnil);
+
+ XSETINT (endpos, BUF_PT (XBUFFER (Vstandard_output)));
+
+ Fput_text_property (startpos, endpos,
+ Qmouse_face, intern ("highlight"),
+ Vstandard_output);
}
else
- Fprinc (elt, Qnil);
+ {
+ Fprinc (string, Qnil);
+ }
+ /* Output the annotation for this element. */
+ if (CONSP (elt))
+ {
+ if (BUFFERP (Vstandard_output))
+ {
+ XSETINT (startpos, BUF_PT (XBUFFER (Vstandard_output)));
+
+ Fprinc (Fcar (Fcdr (elt)), Qnil);
+
+ XSETINT (endpos, BUF_PT (XBUFFER (Vstandard_output)));
+
+ Fset_text_properties (startpos, endpos, Qnil,
+ Vstandard_output);
+ }
+ else
+ {
+ Fprinc (Fcar (Fcdr (elt)), Qnil);
+ }
+ }
+
+
+ /* Update COLUMN for what we have output. */
column += length;
/* If output is to a buffer, recompute COLUMN in a way
Lisp_Object completions;
message ("Making completion list...");
- completions = Fall_completions (Fbuffer_string (),
+ completions = Fall_completions (Ffield_string (ZV),
Vminibuffer_completion_table,
Vminibuffer_completion_predicate,
Qt);
- echo_area_glyphs = 0;
+ clear_message (1, 0);
if (NILP (completions))
{
()
{
if (INTEGERP (last_command_char))
- internal_self_insert (last_command_char, 0);
+ internal_self_insert (XINT (last_command_char), 0);
else
bitch_at_user ();
return Fcopy_sequence (minibuf_prompt);
}
-DEFUN ("minibuffer-prompt-width", Fminibuffer_prompt_width,
- Sminibuffer_prompt_width, 0, 0, 0,
- "Return the display width of the minibuffer prompt.")
- ()
-{
- Lisp_Object width;
- XSETFASTINT (width, minibuf_prompt_width);
- return width;
-}
\f
/* Temporarily display the string M at the end of the current
minibuffer contents. This is used to display things like
that has no possible completions, and other quick, unobtrusive
messages. */
+void
temp_echo_area_glyphs (m)
char *m;
{
int osize = ZV;
+ int osize_byte = ZV_BYTE;
int opoint = PT;
+ int opoint_byte = PT_BYTE;
Lisp_Object oinhibit;
oinhibit = Vinhibit_quit;
/* Clear out any old echo-area message to make way for our new thing. */
message (0);
- SET_PT (osize);
+ SET_PT_BOTH (osize, osize_byte);
insert_string (m);
- SET_PT (opoint);
+ SET_PT_BOTH (opoint, opoint_byte);
Vinhibit_quit = Qt;
Fsit_for (make_number (2), Qnil, Qnil);
- del_range (osize, ZV);
- SET_PT (opoint);
+ del_range_both (osize, osize_byte, ZV, ZV_BYTE, 1);
+ SET_PT_BOTH (opoint, opoint_byte);
if (!NILP (Vquit_flag))
{
Vquit_flag = Qnil;
return Qnil;
}
\f
+void
init_minibuf_once ()
{
Vminibuffer_list = Qnil;
staticpro (&Vminibuffer_list);
}
+void
syms_of_minibuf ()
{
minibuf_level = 0;
Qminibuffer_history = intern ("minibuffer-history");
staticpro (&Qminibuffer_history);
+ Qbuffer_name_history = intern ("buffer-name-history");
+ staticpro (&Qbuffer_name_history);
+ Fset (Qbuffer_name_history, Qnil);
+
Qminibuffer_setup_hook = intern ("minibuffer-setup-hook");
staticpro (&Qminibuffer_setup_hook);
Qactivate_input_method = intern ("activate-input-method");
staticpro (&Qactivate_input_method);
+ DEFVAR_LISP ("read-buffer-function", &Vread_buffer_function,
+ "If this is non-nil, `read-buffer' does its work by calling this function.");
+ Vread_buffer_function = Qnil;
+
DEFVAR_LISP ("minibuffer-setup-hook", &Vminibuffer_setup_hook,
"Normal hook run just after entry to minibuffer.");
Vminibuffer_setup_hook = Qnil;
"Non-nil => demand confirmation of completion before exiting minibuffer.");
Vminibuffer_completion_confirm = Qnil;
+ DEFVAR_LISP ("minibuffer-completing-file-name",
+ &Vminibuffer_completing_file_name,
+ "Non-nil means completing file names.");
+ Vminibuffer_completing_file_name = Qnil;
+
DEFVAR_LISP ("minibuffer-help-form", &Vminibuffer_help_form,
"Value that `help-form' takes on inside the minibuffer.");
Vminibuffer_help_form = Qnil;
DEFVAR_BOOL ("minibuffer-allow-text-properties",
&minibuffer_allow_text_properties,
- "Non-nil means `read-from-miniffer' should not discard text properties.\n\
+ "Non-nil means `read-from-minibuffer' should not discard text properties.\n\
This also affects `read-string', but it does not affect `read-minibuffer',\n\
`read-no-blanks-input', or any of the functions that do minibuffer input\n\
with completion; they always discard text properties.");
defsubr (&Sread_no_blanks_input);
defsubr (&Sminibuffer_depth);
defsubr (&Sminibuffer_prompt);
- defsubr (&Sminibuffer_prompt_width);
defsubr (&Stry_completion);
defsubr (&Sall_completions);
defsubr (&Sminibuffer_message);
}
+void
keys_of_minibuf ()
{
initial_define_key (Vminibuffer_local_map, Ctl ('g'),