-;;; buff-menu.el --- buffer menu main function and support functions
+;;; buff-menu.el --- buffer menu main function and support functions -*- coding:utf-8 -*-
;; Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 2000, 2001, 2002, 2003,
;; 2004 Free Software Foundation, Inc.
(setq buffer-read-only t)
(run-hooks 'buffer-menu-mode-hook))
+;; This function exists so we can make the doc string of Buffer-menu-mode
+;; look nice.
(defun Buffer-menu-revert ()
"Update the list of buffers."
(interactive)
(revert-buffer))
(defun Buffer-menu-revert-function (ignore1 ignore2)
+ (or (eq buffer-undo-list t)
+ (setq buffer-undo-list nil))
;; We can not use save-excursion here. The buffer gets erased.
(let ((ocol (current-column))
(oline (progn (move-to-column 4)
(get-text-property (point) 'buffer)))
- (prop (point-min)))
+ (prop (point-min))
+ ;; do not make undo records for the reversion.
+ (buffer-undo-list t))
(list-buffers-noselect Buffer-menu-files-only)
(while (setq prop (next-single-property-change prop 'buffer))
(when (eq (get-text-property prop 'buffer) oline)
"Make the other window select this line's buffer.
The current window remains selected."
(interactive)
- (display-buffer (Buffer-menu-buffer t)))
+ (let ((pop-up-windows t)
+ same-window-buffer-names
+ same-window-regexps)
+ (display-buffer (Buffer-menu-buffer t))))
(defun Buffer-menu-2-window ()
"Select this line's buffer, with previous buffer in second window."
(interactive)
(let ((buff (Buffer-menu-buffer t))
(menu (current-buffer))
- (pop-up-windows t))
+ (pop-up-windows t)
+ same-window-buffer-names
+ same-window-regexps)
(delete-other-windows)
(switch-to-buffer (other-buffer))
(pop-to-buffer buff)
(let* ((old-buffer (current-buffer))
(standard-output standard-output)
(mode-end (make-string (- Buffer-menu-mode-width 2) ? ))
- (header (concat (propertize "CRM " 'face 'fixed-pitch)
+ (header (concat "CRM "
(Buffer-menu-buffer+size
(Buffer-menu-make-sort-button "Buffer" 2)
(Buffer-menu-make-sort-button "Size" 3))
(while (string-match "[ \t]+" header pos)
(setq pos (match-end 0))
(put-text-property (match-beginning 0) pos 'display
- ;; Assume fixed-size chars
+ ;; Assume fixed-size chars in the buffer.
(list 'space :align-to pos)
- header))))
+ header)))
+ ;; Try to better align the one-char headers.
+ (put-text-property 0 3 'face 'fixed-pitch header)
+ ;; Add a "dummy" leading space to align the beginning of the header
+ ;; line with the beginning of the text (rather than with the left
+ ;; scrollbar or the left fringe). –-Stef
+ (setq header (concat (propertize " " 'display '(space :align-to 0))
+ header)))
(with-current-buffer (get-buffer-create "*Buffer List*")
(setq buffer-read-only nil)
(erase-buffer)
(setq standard-output (current-buffer))
(unless Buffer-menu-use-header-line
- (insert header (propertize "---" 'face 'fixed-pitch) " ")
- (insert (Buffer-menu-buffer+size "------" "----"))
- (insert " ----" mode-end "----\n"))
- (if buffer-list
- (setq list buffer-list)
- ;; Collect info for every buffer we're interested in.
- (dolist (buffer (buffer-list))
- (with-current-buffer buffer
- (let ((name (buffer-name))
- (file buffer-file-name))
- (cond
- ;; Don't mention internal buffers.
- ((and (string= (substring name 0 1) " ") (null file)))
- ;; Maybe don't mention buffers without files.
- ((and files-only (not file)))
- ((string= name "*Buffer List*"))
- ;; Otherwise output info.
- (t
- (let ((mode (concat (format-mode-line mode-name nil nil buffer)
- (if mode-line-process
- (format-mode-line mode-line-process
- nil nil buffer))))
- (bits (string
- (if (eq buffer old-buffer) ?. ?\ )
- ;; Handle readonly status. The output buffer
- ;; is special cased to appear readonly; it is
- ;; actually made so at a later date.
- (if (or (eq buffer standard-output)
- buffer-read-only)
- ?% ?\ )
- ;; Identify modified buffers.
- (if (buffer-modified-p) ?* ?\ )
- ;; Space separator.
- ?\ )))
- (unless file
- ;; No visited file. Check local value of
- ;; list-buffers-directory.
- (when (and (boundp 'list-buffers-directory)
- list-buffers-directory)
- (setq file list-buffers-directory)))
- (push (list buffer bits name (buffer-size) mode file)
- list)))))))
- ;; Preserve the original buffer-list ordering, just in case.
- (setq list (nreverse list)))
+ (let ((underline (if (char-displayable-p ?—) ?— ?-)))
+ (insert header
+ (apply 'string
+ (mapcar (lambda (c)
+ (if (memq c '(?\n ?\ )) c underline))
+ header)))))
+ ;; Collect info for every buffer we're interested in.
+ (dolist (buffer (or buffer-list (buffer-list)))
+ (with-current-buffer buffer
+ (let ((name (buffer-name))
+ (file buffer-file-name))
+ (unless (and (not buffer-list)
+ (or
+ ;; Don't mention internal buffers.
+ (and (string= (substring name 0 1) " ") (null file))
+ ;; Maybe don't mention buffers without files.
+ (and files-only (not file))
+ (string= name "*Buffer List*")))
+ ;; Otherwise output info.
+ (let ((mode (concat (format-mode-line mode-name nil nil buffer)
+ (if mode-line-process
+ (format-mode-line mode-line-process
+ nil nil buffer))))
+ (bits (string
+ (if (eq buffer old-buffer) ?. ?\ )
+ ;; Handle readonly status. The output buffer
+ ;; is special cased to appear readonly; it is
+ ;; actually made so at a later date.
+ (if (or (eq buffer standard-output)
+ buffer-read-only)
+ ?% ?\ )
+ ;; Identify modified buffers.
+ (if (buffer-modified-p) ?* ?\ )
+ ;; Space separator.
+ ?\ )))
+ (unless file
+ ;; No visited file. Check local value of
+ ;; list-buffers-directory.
+ (when (and (boundp 'list-buffers-directory)
+ list-buffers-directory)
+ (setq file list-buffers-directory)))
+ (push (list buffer bits name (buffer-size) mode file)
+ list))))))
+ ;; Preserve the original buffer-list ordering, just in case.
+ (setq list (nreverse list))
;; Place the buffers's info in the output buffer, sorted if necessary.
(dolist (buffer
(if Buffer-menu-sort-column