;;; Code:
-;; This is for lexical-let in apply-partially.
-(eval-when-compile (require 'cl))
+(eval-when-compile (require 'cl)) ;For define-minor-mode.
(declare-function widget-convert "wid-edit" (type &rest args))
(declare-function shell-mode "shell" ())
+;;; From compile.el
(defvar compilation-current-error)
+(defvar compilation-context-lines)
(defcustom idle-update-delay 0.5
"Idle time delay before updating various things on the screen.
(defgroup paren-matching nil
"Highlight (un)matching of parens and expressions."
:group 'matching)
-
-(defun get-next-valid-buffer (list &optional buffer visible-ok frame)
- "Search LIST for a valid buffer to display in FRAME.
-Return nil when all buffers in LIST are undesirable for display,
-otherwise return the first suitable buffer in LIST.
-
-Buffers not visible in windows are preferred to visible buffers,
-unless VISIBLE-OK is non-nil.
-If the optional argument FRAME is nil, it defaults to the selected frame.
-If BUFFER is non-nil, ignore occurrences of that buffer in LIST."
- ;; This logic is more or less copied from other-buffer.
- (setq frame (or frame (selected-frame)))
- (let ((pred (frame-parameter frame 'buffer-predicate))
- found buf)
- (while (and (not found) list)
- (setq buf (car list))
- (if (and (not (eq buffer buf))
- (buffer-live-p buf)
- (or (null pred) (funcall pred buf))
- (not (eq (aref (buffer-name buf) 0) ?\s))
- (or visible-ok (null (get-buffer-window buf 'visible))))
- (setq found buf)
- (setq list (cdr list))))
- (car list)))
-
-(defun last-buffer (&optional buffer visible-ok frame)
- "Return the last buffer in FRAME's buffer list.
-If BUFFER is the last buffer, return the preceding buffer instead.
-Buffers not visible in windows are preferred to visible buffers,
-unless optional argument VISIBLE-OK is non-nil.
-Optional third argument FRAME nil or omitted means use the
-selected frame's buffer list.
-If no such buffer exists, return the buffer `*scratch*', creating
-it if necessary."
- (setq frame (or frame (selected-frame)))
- (or (get-next-valid-buffer (nreverse (buffer-list frame))
- buffer visible-ok frame)
- (get-buffer "*scratch*")
- (let ((scratch (get-buffer-create "*scratch*")))
- (set-buffer-major-mode scratch)
- scratch)))
-
-(defun next-buffer ()
- "Switch to the next buffer in cyclic order."
- (interactive)
- (let ((buffer (current-buffer)))
- (switch-to-buffer (other-buffer buffer t))
- (bury-buffer buffer)))
-
-(defun previous-buffer ()
- "Switch to the previous buffer in cyclic order."
- (interactive)
- (switch-to-buffer (last-buffer (current-buffer) t)))
-
\f
;;; next-error support framework
If t, highlight the locus until the next command is executed, or until
some other locus replaces it.
If nil, don't highlight the locus in the source buffer.
-If `fringe-arrow', indicate the locus by the fringe arrow."
+If `fringe-arrow', indicate the locus by the fringe arrow
+indefinitely until some other locus replaces it."
:type '(choice (number :tag "Highlight for specified time")
(const :tag "Semipermanent highlighting" t)
(const :tag "No highlighting" nil)
If number, highlight the locus in `next-error' face for given time in seconds.
If t, highlight the locus indefinitely until some other locus replaces it.
If nil, don't highlight the locus in the source buffer.
-If `fringe-arrow', indicate the locus by the fringe arrow."
+If `fringe-arrow', indicate the locus by the fringe arrow
+indefinitely until some other locus replaces it."
:type '(choice (number :tag "Highlight for specified time")
(const :tag "Semipermanent highlighting" t)
(const :tag "No highlighting" nil)
(let ((map (make-sparse-keymap)))
(suppress-keymap map)
(define-key map "q" 'quit-window)
- (define-key map " " 'scroll-up)
- (define-key map "\C-?" 'scroll-down)
+ (define-key map " " 'scroll-up-command)
+ (define-key map "\C-?" 'scroll-down-command)
(define-key map "?" 'describe-mode)
(define-key map "h" 'describe-mode)
(define-key map ">" 'end-of-buffer)
All whitespace after the last non-whitespace character in a line is deleted.
This respects narrowing, created by \\[narrow-to-region] and friends.
A formfeed is not considered whitespace by this function.
+If END is nil, also delete all trailing lines at the end of the buffer.
If the region is active, only delete whitespace within the region."
(interactive (progn
(barf-if-buffer-read-only)
(start (or start (point-min))))
(goto-char start)
(while (re-search-forward "\\s-$" end-marker t)
- (skip-syntax-backward "-" (save-excursion (forward-line 0) (point)))
+ (skip-syntax-backward "-" (line-beginning-position))
;; Don't delete formfeeds, even if they are considered whitespace.
- (save-match-data
- (if (looking-at ".*\f")
- (goto-char (match-end 0))))
+ (if (looking-at-p ".*\f")
+ (goto-char (match-end 0)))
(delete-region (point) (match-end 0)))
+ ;; Delete trailing empty lines.
+ (goto-char end-marker)
+ (when (and (not end)
+ ;; Really the end of buffer.
+ (save-restriction (widen) (eobp))
+ (<= (skip-chars-backward "\n") -2))
+ (delete-region (1+ (point)) end-marker))
(set-marker end-marker nil))))
;; Return nil for the benefit of `write-file-functions'.
nil)
(memq (char-before) '(?\t ?\n))
(eobp)
(eq (char-after) ?\n)))
- (let* ((ocol (current-column))
- (val (delete-char (- n) killflag)))
+ (let ((ocol (current-column)))
+ (delete-char (- n) killflag)
(save-excursion
(insert-char ?\s (- ocol (current-column)) nil))))
;; Otherwise, do simple deletion.
(save-excursion
(skip-chars-backward "0-9")
(if (looking-at "[0-9]")
- (buffer-substring-no-properties
- (point)
- (progn (skip-chars-forward "0-9")
- (point))))))
+ (string-to-number
+ (buffer-substring-no-properties
+ (point)
+ (progn (skip-chars-forward "0-9")
+ (point)))))))
;; Decide if we're switching buffers.
(buffer
(if (consp current-prefix-arg)
(concat " in " (buffer-name buffer))
"")))
;; Read the argument, offering that number (if any) as default.
- (list (read-from-minibuffer (format (if default "Goto line%s (%s): "
- "Goto line%s: ")
- buffer-prompt
- default)
- nil nil t
- 'minibuffer-history
- default)
+ (list (read-number (format (if default "Goto line%s (%s): "
+ "Goto line%s: ")
+ buffer-prompt
+ default)
+ default)
buffer))))
;; Switch to the desired buffer, one way or another.
(if buffer
(forward-line (1- line)))))
(defun count-words-region (start end)
- "Print the number of words in the region.
-When called interactively, the word count is printed in echo area."
+ "Return the number of words between START and END.
+If called interactively, print a message reporting the number of
+lines, words, and characters in the region."
(interactive "r")
- (let ((count 0))
+ (let ((words 0))
(save-excursion
(save-restriction
(narrow-to-region start end)
(goto-char (point-min))
(while (forward-word 1)
- (setq count (1+ count)))))
- (if (interactive-p)
- (message "Region has %d words" count))
- count))
-
-(defun count-lines-region (start end)
- "Print number of lines and characters in the region."
- (interactive "r")
- (message "Region has %d lines, %d characters"
- (count-lines start end) (- end start)))
+ (setq words (1+ words)))))
+ (when (called-interactively-p 'interactive)
+ (count-words--message "Region"
+ (count-lines start end)
+ words
+ (- end start)))
+ words))
+
+(defun count-words ()
+ "Display the number of lines, words, and characters in the buffer.
+In Transient Mark mode when the mark is active, display the
+number of lines, words, and characters in the region."
+ (interactive)
+ (if (use-region-p)
+ (call-interactively 'count-words-region)
+ (let* ((beg (point-min))
+ (end (point-max))
+ (lines (count-lines beg end))
+ (words (count-words-region beg end))
+ (chars (- end beg)))
+ (count-words--message "Buffer" lines words chars))))
+
+(defun count-words--message (str lines words chars)
+ (message "%s has %d line%s, %d word%s, and %d character%s."
+ str
+ lines (if (= lines 1) "" "s")
+ words (if (= words 1) "" "s")
+ chars (if (= chars 1) "" "s")))
+
+(defalias 'count-lines-region 'count-words-region)
(defun what-line ()
"Print the current buffer line number and narrowed line number of point."
(if (eq selective-display t)
(save-match-data
(let ((done 0))
- (while (re-search-forward "[\n\C-m]" nil t 40)
- (setq done (+ 40 done)))
- (while (re-search-forward "[\n\C-m]" nil t 1)
- (setq done (+ 1 done)))
- (goto-char (point-max))
- (if (and (/= start end)
+ (while (re-search-forward "[\n\C-m]" nil t 40)
+ (setq done (+ 40 done)))
+ (while (re-search-forward "[\n\C-m]" nil t 1)
+ (setq done (+ 1 done)))
+ (goto-char (point-max))
+ (if (and (/= start end)
(not (bolp)))
(1+ done)
done)))
;; Check if the character is displayed with some `display'
;; text property. In that case, set under-display to the
;; buffer substring covered by that property.
- (setq display-prop (get-text-property pos 'display))
+ (setq display-prop (get-char-property pos 'display))
(if display-prop
- (let ((to (or (next-single-property-change pos 'display)
+ (let ((to (or (next-single-char-property-change pos 'display)
(point-max))))
(if (< to (+ pos 4))
(setq under-display "")
;; Initialize read-expression-map. It is defined at C level.
(let ((m (make-sparse-keymap)))
(define-key m "\M-\t" 'lisp-complete-symbol)
+ ;; Might as well bind TAB to completion, since inserting a TAB char is much
+ ;; too rarely useful.
+ (define-key m "\t" 'lisp-complete-symbol)
(set-keymap-parent m minibuffer-local-map)
(setq read-expression-map m))
(defvar minibuffer-completing-symbol nil
"Non-nil means completing a Lisp symbol in the minibuffer.")
+(make-obsolete-variable 'minibuffer-completing-symbol nil "24.1" 'get)
(defvar minibuffer-default nil
"The current default value or list of default values in the minibuffer.
(defun eval-expression (eval-expression-arg
&optional eval-expression-insert-value)
"Evaluate EVAL-EXPRESSION-ARG and print value in the echo area.
+When called interactively, read an Emacs Lisp expression and
+evaluate it.
Value is also consed on to front of the variable `values'.
Optional argument EVAL-EXPRESSION-INSERT-VALUE non-nil (interactively,
with prefix argument) means insert the result into the current buffer
current-prefix-arg))
(if (null eval-expression-debug-on-error)
- (setq values (cons (eval eval-expression-arg) values))
+ (push (eval eval-expression-arg lexical-binding) values)
(let ((old-value (make-symbol "t")) new-value)
;; Bind debug-on-error to something unique so that we can
;; detect when evaled code changes it.
(let ((debug-on-error old-value))
- (setq values (cons (eval eval-expression-arg) values))
+ (push (eval eval-expression-arg lexical-binding) values)
(setq new-value debug-on-error))
;; If evaled code has changed the value of debug-on-error,
;; propagate that change to the global binding.
(defun minibuffer-history-initialize ()
(setq minibuffer-text-before-history nil))
-(defun minibuffer-avoid-prompt (new old)
+(defun minibuffer-avoid-prompt (_new _old)
"A point-motion hook for the minibuffer, that moves point out of the prompt."
(constrain-to-field nil (point-max)))
`(lambda (cmd)
(minibuffer-history-isearch-pop-state cmd ,minibuffer-history-position)))
-(defun minibuffer-history-isearch-pop-state (cmd hist-pos)
+(defun minibuffer-history-isearch-pop-state (_cmd hist-pos)
"Restore the minibuffer history search state.
Go to the history element by the absolute history position HIST-POS."
(goto-history-element hist-pos))
(undo-list (list nil))
undo-adjusted-markers
some-rejected
- undo-elt undo-elt temp-undo-list delta)
+ undo-elt temp-undo-list delta)
(while undo-list-copy
(setq undo-elt (car undo-list-copy))
(let ((keep-this
(append minibuffer-default commands)
(cons minibuffer-default commands))))
-(defvar shell-delimiter-argument-list)
-(defvar shell-file-name-chars)
-(defvar shell-file-name-quote-list)
-
-(defun minibuffer-complete-shell-command ()
- "Dynamically complete shell command at point."
- (interactive)
- (require 'shell)
- (let ((comint-delimiter-argument-list shell-delimiter-argument-list)
- (comint-file-name-chars shell-file-name-chars)
- (comint-file-name-quote-list shell-file-name-quote-list))
- (run-hook-with-args-until-success 'shell-dynamic-complete-functions)))
+(declare-function shell-completion-vars "shell" ())
(defvar minibuffer-local-shell-command-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map minibuffer-local-map)
- (define-key map "\t" 'minibuffer-complete-shell-command)
+ (define-key map "\t" 'completion-at-point)
map)
"Keymap used for completing shell commands in minibuffer.")
The arguments are the same as the ones of `read-from-minibuffer',
except READ and KEYMAP are missing and HIST defaults
to `shell-command-history'."
+ (require 'shell)
(minibuffer-with-setup-hook
(lambda ()
+ (shell-completion-vars)
(set (make-local-variable 'minibuffer-default-add-function)
'minibuffer-default-add-shell-commands))
(apply 'read-from-minibuffer prompt initial-contents
(let ((output
(if (and error-file
(< 0 (nth 7 (file-attributes error-file))))
- "some error output"
+ (format "some error output%s"
+ (if shell-command-default-error-buffer
+ (format " to the \"%s\" buffer"
+ shell-command-default-error-buffer)
+ ""))
"no output")))
(cond ((null exit-status)
(message "(Shell command failed with error)"))
(let ((fh (find-file-name-handler default-directory 'start-file-process)))
(if fh (apply fh 'start-file-process name buffer program program-args)
(apply 'start-process name buffer program program-args))))
-
+\f
+;;;; Process menu
+
+(defvar tabulated-list-format)
+(defvar tabulated-list-entries)
+(defvar tabulated-list-sort-key)
+(declare-function tabulated-list-init-header "tabulated-list" ())
+(declare-function tabulated-list-print "tabulated-list"
+ (&optional remember-pos))
+
+(defvar process-menu-query-only nil)
+
+(define-derived-mode process-menu-mode tabulated-list-mode "Process Menu"
+ "Major mode for listing the processes called by Emacs."
+ (setq tabulated-list-format [("Process" 15 t)
+ ("Status" 7 t)
+ ("Buffer" 15 t)
+ ("TTY" 12 t)
+ ("Command" 0 t)])
+ (make-local-variable 'process-menu-query-only)
+ (setq tabulated-list-sort-key (cons "Process" nil))
+ (add-hook 'tabulated-list-revert-hook 'list-processes--refresh nil t)
+ (tabulated-list-init-header))
+
+(defun list-processes--refresh ()
+ "Recompute the list of processes for the Process List buffer."
+ (setq tabulated-list-entries nil)
+ (dolist (p (process-list))
+ (when (or (not process-menu-query-only)
+ (process-query-on-exit-flag p))
+ (let* ((buf (process-buffer p))
+ (type (process-type p))
+ (name (process-name p))
+ (status (symbol-name (process-status p)))
+ (buf-label (if (buffer-live-p buf)
+ `(,(buffer-name buf)
+ face link
+ help-echo ,(concat "Visit buffer `"
+ (buffer-name buf) "'")
+ follow-link t
+ process-buffer ,buf
+ action process-menu-visit-buffer)
+ "--"))
+ (tty (or (process-tty-name p) "--"))
+ (cmd
+ (if (memq type '(network serial))
+ (let ((contact (process-contact p t)))
+ (if (eq type 'network)
+ (format "(%s %s)"
+ (if (plist-get contact :type)
+ "datagram"
+ "network")
+ (if (plist-get contact :server)
+ (format "server on %s"
+ (plist-get contact :server))
+ (format "connection to %s"
+ (plist-get contact :host))))
+ (format "(serial port %s%s)"
+ (or (plist-get contact :port) "?")
+ (let ((speed (plist-get contact :speed)))
+ (if speed
+ (format " at %s b/s" speed)
+ "")))))
+ (mapconcat 'identity (process-command p) " "))))
+ (push (list p (vector name status buf-label tty cmd))
+ tabulated-list-entries)))))
+
+(defun process-menu-visit-buffer (button)
+ (display-buffer (button-get button 'process-buffer)))
+
+(defun list-processes (&optional query-only buffer)
+ "Display a list of all processes.
+If optional argument QUERY-ONLY is non-nil, only processes with
+the query-on-exit flag set are listed.
+Any process listed as exited or signaled is actually eliminated
+after the listing is made.
+Optional argument BUFFER specifies a buffer to use, instead of
+\"*Process List\".
+The return value is always nil."
+ (interactive)
+ (or (fboundp 'process-list)
+ (error "Asynchronous subprocesses are not supported on this system"))
+ (unless (bufferp buffer)
+ (setq buffer (get-buffer-create "*Process List*")))
+ (with-current-buffer buffer
+ (process-menu-mode)
+ (setq process-menu-query-only query-only)
+ (list-processes--refresh)
+ (tabulated-list-print))
+ (display-buffer buffer)
+ nil)
\f
(defvar universal-argument-map
(let ((map (make-sparse-keymap)))
`universal-argument-other-key' uses this to discard those events
from (this-command-keys), and reread only the final command.")
-(defvar overriding-map-is-bound nil
- "Non-nil when `overriding-terminal-local-map' is `universal-argument-map'.")
-
-(defvar saved-overriding-map nil
+(defvar saved-overriding-map t
"The saved value of `overriding-terminal-local-map'.
That variable gets restored to this value on exiting \"universal
argument mode\".")
-(defun ensure-overriding-map-is-bound ()
- "Check `overriding-terminal-local-map' is `universal-argument-map'."
- (unless overriding-map-is-bound
+(defun save&set-overriding-map (map)
+ "Set `overriding-terminal-local-map' to MAP."
+ (when (eq saved-overriding-map t)
(setq saved-overriding-map overriding-terminal-local-map)
- (setq overriding-terminal-local-map universal-argument-map)
- (setq overriding-map-is-bound t)))
+ (setq overriding-terminal-local-map map)))
(defun restore-overriding-map ()
"Restore `overriding-terminal-local-map' to its saved value."
(setq overriding-terminal-local-map saved-overriding-map)
- (setq overriding-map-is-bound nil))
+ (setq saved-overriding-map t))
(defun universal-argument ()
"Begin a numeric argument for the following command.
(interactive)
(setq prefix-arg (list 4))
(setq universal-argument-num-events (length (this-command-keys)))
- (ensure-overriding-map-is-bound))
+ (save&set-overriding-map universal-argument-map))
;; A subsequent C-u means to multiply the factor by 4 if we've typed
;; nothing but C-u's; otherwise it means to terminate the prefix arg.
(t
(setq prefix-arg '-)))
(setq universal-argument-num-events (length (this-command-keys)))
- (ensure-overriding-map-is-bound))
+ (save&set-overriding-map universal-argument-map))
(defun digit-argument (arg)
"Part of the numeric argument for the next command.
(t
(setq prefix-arg digit))))
(setq universal-argument-num-events (length (this-command-keys)))
- (ensure-overriding-map-is-bound))
+ (save&set-overriding-map universal-argument-map))
;; For backward compatibility, minus with no modifiers is an ordinary
;; command if digits have already been entered.
(reset-this-command-lengths)
(restore-overriding-map))
\f
-;; This function is here rather than in subr.el because it uses CL.
-(defmacro with-wrapper-hook (var args &rest body)
- "Run BODY wrapped with the VAR hook.
-VAR is a special hook: its functions are called with a first argument
-which is the \"original\" code (the BODY), so the hook function can wrap
-the original function, or call it any number of times (including not calling
-it at all). This is similar to an `around' advice.
-VAR is normally a symbol (a variable) in which case it is treated like
-a hook, with a buffer-local and a global part. But it can also be an
-arbitrary expression.
-ARGS is a list of variables which will be passed as additional arguments
-to each function, after the initial argument, and which the first argument
-expects to receive when called."
- (declare (indent 2) (debug t))
- ;; We need those two gensyms because CL's lexical scoping is not available
- ;; for function arguments :-(
- (let ((funs (make-symbol "funs"))
- (global (make-symbol "global"))
- (argssym (make-symbol "args")))
- ;; Since the hook is a wrapper, the loop has to be done via
- ;; recursion: a given hook function will call its parameter in order to
- ;; continue looping.
- `(labels ((runrestofhook (,funs ,global ,argssym)
- ;; `funs' holds the functions left on the hook and `global'
- ;; holds the functions left on the global part of the hook
- ;; (in case the hook is local).
- (lexical-let ((funs ,funs)
- (global ,global))
- (if (consp funs)
- (if (eq t (car funs))
- (runrestofhook
- (append global (cdr funs)) nil ,argssym)
- (apply (car funs)
- (lambda (&rest ,argssym)
- (runrestofhook (cdr funs) global ,argssym))
- ,argssym))
- ;; Once there are no more functions on the hook, run
- ;; the original body.
- (apply (lambda ,args ,@body) ,argssym)))))
- (runrestofhook ,var
- ;; The global part of the hook, if any.
- ,(if (symbolp var)
- `(if (local-variable-p ',var)
- (default-value ',var)))
- (list ,@args)))))
(defvar filter-buffer-substring-functions nil
"Wrapper hook around `filter-buffer-substring'.
(defun current-kill (n &optional do-not-move)
"Rotate the yanking point by N places, and then return that kill.
-If N is zero, `interprogram-paste-function' is set, and calling
-it returns a string or list of strings, then that string (or
-list) is added to the front of the kill ring and the string (or
-first string in the list) is returned as the latest kill.
+If N is zero and `interprogram-paste-function' is set to a
+function that returns a string or a list of strings, and if that
+function doesn't return nil, then that string (or list) is added
+to the front of the kill ring and the string (or first string in
+the list) is returned as the latest kill.
If N is not zero, and if `yank-pop-change-selection' is
non-nil, use `interprogram-cut-function' to transfer the
To kill a whole line, when point is not at the beginning, type \
\\[move-beginning-of-line] \\[kill-line] \\[kill-line].
+If `show-trailing-whitespace' is non-nil, this command will just
+kill the rest of the current line, even if there are only
+nonblanks there.
+
If `kill-whole-line' is non-nil, then this command kills the whole line
including its terminating newline, when used at the beginning of a line
with no argument. As a consequence, you can always kill a whole line
Then instead of trying to move exactly vertically (or as close as possible),
this command moves to the specified goal column (or as close as possible).
The goal column is stored in the variable `goal-column', which is nil
-when there is no goal column.
+when there is no goal column. Note that setting `goal-column'
+overrides `line-move-visual' and causes this command to move by buffer
+lines rather than by display lines.
If you are thinking of using this in a Lisp program, consider
using `forward-line' instead. It is usually easier to use
Then instead of trying to move exactly vertically (or as close as possible),
this command moves to the specified goal column (or as close as possible).
The goal column is stored in the variable `goal-column', which is nil
-when there is no goal column.
+when there is no goal column. Note that setting `goal-column'
+overrides `line-move-visual' and causes this command to move by buffer
+lines rather than by display lines.
If you are thinking of using this in a Lisp program, consider using
`forward-line' with a negative argument instead. It is usually easier
:group 'editing-basics)
(defcustom goal-column nil
- "Semipermanent goal column for vertical motion, as set by \\[set-goal-column], or nil."
+ "Semipermanent goal column for vertical motion, as set by \\[set-goal-column], or nil.
+A non-nil setting overrides `line-move-visual', which see."
:type '(choice integer
(const :tag "None" nil))
:group 'editing-basics)
This movement is based on where the cursor is displayed on the
screen, instead of relying on buffer contents alone. It takes
into account variable-width characters and line continuation.
-If nil, `line-move' moves point by logical lines."
+If nil, `line-move' moves point by logical lines.
+A non-nil setting of `goal-column' overrides the value of this variable
+and forces movement by logical lines.
+Disabling `auto-hscroll-mode' also overrides forces movement by logical
+lines when the window is horizontally scrolled."
:type 'boolean
:group 'editing-basics
:version "23.1")
(not executing-kbd-macro)
(line-move-partial arg noerror to-end))
(set-window-vscroll nil 0 t)
- (if line-move-visual
+ (if (and line-move-visual
+ ;; Display-based column are incompatible with goal-column.
+ (not goal-column)
+ ;; When auto-hscroll-mode is turned off and the text in
+ ;; the window is scrolled to the left, display-based
+ ;; motion doesn't make sense (because each logical line
+ ;; occupies exactly one screen line).
+ (not (and (null auto-hscroll-mode)
+ (> (window-hscroll) 0))))
(line-move-visual arg noerror)
(line-move-1 arg noerror to-end))))
;; This is the guts of next-line and previous-line.
;; Arg says how many lines to move.
;; The value is t if we can move the specified number of lines.
-(defun line-move-1 (arg &optional noerror to-end)
+(defun line-move-1 (arg &optional noerror _to-end)
;; Don't run any point-motion hooks, and disregard intangibility,
;; for intermediate positions.
(let ((inhibit-point-motion-hooks t)
(or (null fill-prefix) (string= fill-prefix "")))
(let ((prefix
(fill-context-prefix
- (save-excursion (backward-paragraph 1) (point))
- (save-excursion (forward-paragraph 1) (point)))))
+ (save-excursion (fill-forward-paragraph -1) (point))
+ (save-excursion (fill-forward-paragraph 1) (point)))))
(and prefix (not (equal prefix ""))
;; Use auto-indentation rather than a guessed empty prefix.
(not (and fill-indent-according-to-mode
;; auto-fill-function to nil in a file-local setting is safe and
;; can be useful to prevent auto-filling.
(put 'auto-fill-function 'safe-local-variable 'null)
-;; FIXME: turn into a proper minor mode.
-;; Add a global minor mode version of it.
+
(define-minor-mode auto-fill-mode
"Toggle Auto Fill mode.
With ARG, turn Auto Fill mode on if and only if ARG is positive.
In Auto Fill mode, inserting a space at a column beyond `current-fill-column'
automatically breaks the line at a previous space.
+When `auto-fill-mode' is on, the `auto-fill-function' variable is
+non-`nil'.
+
The value of `normal-auto-fill-function' specifies the function to use
for `auto-fill-function' when turning Auto Fill mode on."
:variable (eq auto-fill-function normal-auto-fill-function))
(defvaralias 'indicate-unused-lines 'indicate-empty-lines)
(defun toggle-truncate-lines (&optional arg)
- "Toggle whether to fold or truncate long lines for the current buffer.
+ "Toggle truncating of long lines for the current buffer.
+When truncating is off, long lines are folded.
With prefix argument ARG, truncate long lines if ARG is positive,
-otherwise don't truncate them. Note that in side-by-side windows,
-this command has no effect if `truncate-partial-width-windows'
-is non-nil."
+otherwise fold them. Note that in side-by-side windows, this
+command has no effect if `truncate-partial-width-windows' is
+non-nil."
(interactive "P")
(setq truncate-lines
(if (null arg)
(mismatch
(if blinkpos
(if (minibufferp)
- (minibuffer-message " [Mismatched parentheses]")
+ (minibuffer-message "Mismatched parentheses")
(message "Mismatched parentheses"))
(if (minibufferp)
- (minibuffer-message " [Unmatched parenthesis]")
- (message "Unmatched parenthesis"))))
+ (minibuffer-message "No matching parenthesis found")
+ (message "No matching parenthesis found"))))
((not blinkpos) nil)
((pos-visible-in-window-p blinkpos)
;; Matching open within window, temporarily move to blinkpos but only
(if (fboundp 'kmacro-keyboard-quit)
(kmacro-keyboard-quit))
(setq defining-kbd-macro nil)
- (signal 'quit nil))
+ (let ((debug-on-quit nil))
+ (signal 'quit nil)))
(defvar buffer-quit-function nil
"Function to call to \"quit\" the current buffer, or nil if none.
"^\\([:\n]\\|[^: \t\n]+[ \t\n]\\)" nil 'move)
(goto-char (match-beginning 0))))
+;; Used by Rmail (e.g., rmail-forward).
+(defvar mail-encode-mml nil
+ "If non-nil, mail-user-agent's `sendfunc' command should mml-encode
+the outgoing message before sending it.")
+
(defun compose-mail (&optional to subject other-headers continue
switch-function yank-action send-actions
return-action)
where the completion should be inserted and END (if non-nil) is the end
of the text to replace. If END is nil, point is used instead.")
+(defvar completion-list-insert-choice-function #'completion--replace
+ "Function to use to insert the text chosen in *Completions*.
+Called with 3 arguments (BEG END TEXT), it should replace the text
+between BEG and END with TEXT. Expected to be set buffer-locally
+in the *Completions* buffer.")
+
(defvar completion-base-size nil
"Number of chars before point not involved in completion.
This is a local variable in the completion list buffer.
;; In case this is run via the mouse, give temporary modes such as
;; isearch a chance to turn off.
(run-hooks 'mouse-leave-buffer-hook)
- (let (buffer base-size base-position choice)
- (with-current-buffer (window-buffer (posn-window (event-start event)))
- (setq buffer completion-reference-buffer)
- (setq base-size completion-base-size)
- (setq base-position completion-base-position)
- (save-excursion
- (goto-char (posn-point (event-start event)))
- (let (beg end)
- (if (and (not (eobp)) (get-text-property (point) 'mouse-face))
- (setq end (point) beg (1+ (point))))
- (if (and (not (bobp)) (get-text-property (1- (point)) 'mouse-face))
- (setq end (1- (point)) beg (point)))
- (if (null beg)
- (error "No completion here"))
- (setq beg (previous-single-property-change beg 'mouse-face))
- (setq end (or (next-single-property-change end 'mouse-face)
- (point-max)))
- (setq choice (buffer-substring-no-properties beg end)))))
-
- (let ((owindow (selected-window)))
+ (with-current-buffer (window-buffer (posn-window (event-start event)))
+ (let ((buffer completion-reference-buffer)
+ (base-size completion-base-size)
+ (base-position completion-base-position)
+ (insert-function completion-list-insert-choice-function)
+ (choice
+ (save-excursion
+ (goto-char (posn-point (event-start event)))
+ (let (beg end)
+ (cond
+ ((and (not (eobp)) (get-text-property (point) 'mouse-face))
+ (setq end (point) beg (1+ (point))))
+ ((and (not (bobp))
+ (get-text-property (1- (point)) 'mouse-face))
+ (setq end (1- (point)) beg (point)))
+ (t (error "No completion here")))
+ (setq beg (previous-single-property-change beg 'mouse-face))
+ (setq end (or (next-single-property-change end 'mouse-face)
+ (point-max)))
+ (buffer-substring-no-properties beg end))))
+ (owindow (selected-window)))
+
+ (unless (buffer-live-p buffer)
+ (error "Destination buffer is dead"))
(select-window (posn-window (event-start event)))
(if (and (one-window-p t 'selected-frame)
(window-dedicated-p (selected-window)))
(or (window-dedicated-p (selected-window))
(bury-buffer)))
(select-window
- (or (and (buffer-live-p buffer)
- (get-buffer-window buffer 0))
- owindow)))
-
- (choose-completion-string
- choice buffer
- (or base-position
- (when base-size
- ;; Someone's using old completion code that doesn't know
- ;; about base-position yet.
- (list (+ base-size (with-current-buffer buffer (field-beginning)))))
- ;; If all else fails, just guess.
- (with-current-buffer buffer
- (list (choose-completion-guess-base-position choice)))))))
+ (or (get-buffer-window buffer 0)
+ owindow))
+
+ (with-current-buffer buffer
+ (choose-completion-string
+ choice buffer
+ (or base-position
+ (when base-size
+ ;; Someone's using old completion code that doesn't know
+ ;; about base-position yet.
+ (list (+ base-size (field-beginning))))
+ ;; If all else fails, just guess.
+ (list (choose-completion-guess-base-position choice)))
+ insert-function)))))
;; Delete the longest partial match for STRING
;; that can be found before POINT.
If all functions in the list return nil, that means to use
the default method of inserting the completion in BUFFER.")
-(defun choose-completion-string (choice &optional buffer base-position)
+(defun choose-completion-string (choice &optional
+ buffer base-position insert-function)
"Switch to BUFFER and insert the completion choice CHOICE.
BASE-POSITION, says where to insert the completion."
;; If BUFFER is a minibuffer, barf unless it's the currently
;; active minibuffer.
(if (and mini-p
- (or (not (active-minibuffer-window))
- (not (equal buffer
+ (not (and (active-minibuffer-window)
+ (equal buffer
(window-buffer (active-minibuffer-window))))))
(error "Minibuffer is not active for completion")
;; Set buffer so buffer-local choose-completion-string-functions works.
;; and indeed unused. The last used to be `base-size', so we
;; keep it to try and avoid breaking old code.
choice buffer base-position nil)
+ ;; This remove-text-properties should be unnecessary since `choice'
+ ;; comes from buffer-substring-no-properties.
+ ;;(remove-text-properties 0 (lenth choice) '(mouse-face nil) choice)
;; Insert the completion into the buffer where it was requested.
- (delete-region (or (car base-position) (point))
- (or (cadr base-position) (point)))
- (insert choice)
- (remove-text-properties (- (point) (length choice)) (point)
- '(mouse-face nil))
- ;; Update point in the window that BUFFER is showing in.
+ (funcall (or insert-function completion-list-insert-choice-function)
+ (or (car base-position) (point))
+ (or (cadr base-position) (point))
+ choice)
+ ;; Update point in the window that BUFFER is showing in.
(let ((window (get-buffer-window buffer t)))
(set-window-point window (point)))
;; If completing for the minibuffer, exit it with this choice.
0 (or completion-base-size 0)))))))
(with-current-buffer standard-output
(let ((base-size completion-base-size) ;Read before killing localvars.
- (base-position completion-base-position))
+ (base-position completion-base-position)
+ (insert-fun completion-list-insert-choice-function))
(completion-list-mode)
(set (make-local-variable 'completion-base-size) base-size)
- (set (make-local-variable 'completion-base-position) base-position))
+ (set (make-local-variable 'completion-base-position) base-position)
+ (set (make-local-variable 'completion-list-insert-choice-function)
+ insert-fun))
(set (make-local-variable 'completion-reference-buffer) mainbuf)
(if base-dir (setq default-directory base-dir))
;; Maybe insert help string.
;; These functions -- which are not commands -- each add one modifier
;; to the following event.
-(defun event-apply-alt-modifier (ignore-prompt)
+(defun event-apply-alt-modifier (_ignore-prompt)
"\\<function-key-map>Add the Alt modifier to the following event.
For example, type \\[event-apply-alt-modifier] & to enter Alt-&."
(vector (event-apply-modifier (read-event) 'alt 22 "A-")))
-(defun event-apply-super-modifier (ignore-prompt)
+(defun event-apply-super-modifier (_ignore-prompt)
"\\<function-key-map>Add the Super modifier to the following event.
For example, type \\[event-apply-super-modifier] & to enter Super-&."
(vector (event-apply-modifier (read-event) 'super 23 "s-")))
-(defun event-apply-hyper-modifier (ignore-prompt)
+(defun event-apply-hyper-modifier (_ignore-prompt)
"\\<function-key-map>Add the Hyper modifier to the following event.
For example, type \\[event-apply-hyper-modifier] & to enter Hyper-&."
(vector (event-apply-modifier (read-event) 'hyper 24 "H-")))
-(defun event-apply-shift-modifier (ignore-prompt)
+(defun event-apply-shift-modifier (_ignore-prompt)
"\\<function-key-map>Add the Shift modifier to the following event.
For example, type \\[event-apply-shift-modifier] & to enter Shift-&."
(vector (event-apply-modifier (read-event) 'shift 25 "S-")))
-(defun event-apply-control-modifier (ignore-prompt)
+(defun event-apply-control-modifier (_ignore-prompt)
"\\<function-key-map>Add the Ctrl modifier to the following event.
For example, type \\[event-apply-control-modifier] & to enter Ctrl-&."
(vector (event-apply-modifier (read-event) 'control 26 "C-")))
-(defun event-apply-meta-modifier (ignore-prompt)
+(defun event-apply-meta-modifier (_ignore-prompt)
"\\<function-key-map>Add the Meta modifier to the following event.
For example, type \\[event-apply-meta-modifier] & to enter Meta-&."
(vector (event-apply-modifier (read-event) 'meta 27 "M-")))
(cond ((or (memq window-system '(x w32 ns pc))
(memq system-type '(ms-dos windows-nt)))
- (let* ((bindings
- `(([M-delete] [M-backspace])
- ([C-M-delete] [C-M-backspace])
- ([?\e C-delete] [?\e C-backspace])))
- (old-state (lookup-key local-function-key-map [delete])))
+ (let ((bindings
+ `(([M-delete] [M-backspace])
+ ([C-M-delete] [C-M-backspace])
+ ([?\e C-delete] [?\e C-backspace]))))
(if enabled
(progn
buffer-invisibility-spec)
(setq buffer-invisibility-spec nil)))
\f
-;; Partial application of functions (similar to "currying").
-;; This function is here rather than in subr.el because it uses CL.
-(defun apply-partially (fun &rest args)
- "Return a function that is a partial application of FUN to ARGS.
-ARGS is a list of the first N arguments to pass to FUN.
-The result is a new function which does the same as FUN, except that
-the first N arguments are fixed at the values with which this function
-was called."
- (lexical-let ((fun fun) (args1 args))
- (lambda (&rest args2) (apply fun (append args1 args2)))))
-\f
;; Minibuffer prompt stuff.
-;(defun minibuffer-prompt-modification (start end)
-; (error "You cannot modify the prompt"))
-;
-;
-;(defun minibuffer-prompt-insertion (start end)
-; (let ((inhibit-modification-hooks t))
-; (delete-region start end)
-; ;; Discard undo information for the text insertion itself
-; ;; and for the text deletion.above.
-; (when (consp buffer-undo-list)
-; (setq buffer-undo-list (cddr buffer-undo-list)))
-; (message "You cannot modify the prompt")))
-;
-;
-;(setq minibuffer-prompt-properties
-; (list 'modification-hooks '(minibuffer-prompt-modification)
-; 'insert-in-front-hooks '(minibuffer-prompt-insertion)))
-;
+;;(defun minibuffer-prompt-modification (start end)
+;; (error "You cannot modify the prompt"))
+;;
+;;
+;;(defun minibuffer-prompt-insertion (start end)
+;; (let ((inhibit-modification-hooks t))
+;; (delete-region start end)
+;; ;; Discard undo information for the text insertion itself
+;; ;; and for the text deletion.above.
+;; (when (consp buffer-undo-list)
+;; (setq buffer-undo-list (cddr buffer-undo-list)))
+;; (message "You cannot modify the prompt")))
+;;
+;;
+;;(setq minibuffer-prompt-properties
+;; (list 'modification-hooks '(minibuffer-prompt-modification)
+;; 'insert-in-front-hooks '(minibuffer-prompt-insertion)))
\f
;;;; Problematic external packages.
HCoop / bpt / emacs.git / blobdiff