-;;; buff-menu.el --- buffer menu main function and support functions.
+;;; buff-menu.el --- buffer menu main function and support functions
-;; Copyright (C) 1985, 86, 87, 93, 94, 95 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 86, 87, 93, 94, 95, 2000 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Based on FSF code dating back to 1985.
;;; Code:
-
+
;;;Trying to preserve the old window configuration works well in
;;;simple scenarios, when you enter the buffer menu, use it, and exit it.
;;;But it does strange things when you switch back to the buffer list buffer
in the selected frame."
(interactive)
(let ((buff (Buffer-menu-buffer t))
- (menu (current-buffer))
+ (menu (current-buffer))
(others ())
tem)
(goto-char (point-min))
")
;; Record the column where buffer names start.
(setq Buffer-menu-buffer-column 4)
- (let ((bl (buffer-list)))
- (while bl
- (let* ((buffer (car bl))
- (name (buffer-name buffer))
- (file (buffer-file-name buffer))
- this-buffer-line-start
- this-buffer-read-only
- this-buffer-size
- this-buffer-mode-name
- this-buffer-directory)
- (save-excursion
- (set-buffer buffer)
- (setq this-buffer-read-only buffer-read-only)
- (setq this-buffer-size (buffer-size))
- (setq this-buffer-mode-name
- (if (eq buffer standard-output)
- "Buffer Menu" mode-name))
- (or file
- ;; No visited file. Check local value of
- ;; list-buffers-directory.
- (if (and (boundp 'list-buffers-directory)
- list-buffers-directory)
- (setq this-buffer-directory list-buffers-directory))))
- (cond
- ;; Don't mention internal buffers.
- ((string= (substring name 0 1) " "))
- ;; Maybe don't mention buffers without files.
- ((and files-only (not file)))
- ((string= name "*Buffer List*"))
- ;; Otherwise output info.
- (t
- (setq this-buffer-line-start (point))
- ;; Identify current buffer.
- (if (eq buffer old-buffer)
- (progn
- (setq desired-point (point))
- (princ "."))
- (princ " "))
- ;; Identify modified buffers.
- (princ (if (buffer-modified-p buffer) "*" " "))
- ;; Handle readonly status. The output buffer is special
- ;; cased to appear readonly; it is actually made so at a later
- ;; date.
- (princ (if (or (eq buffer standard-output)
- this-buffer-read-only)
- "% "
- " "))
- (princ name)
- ;; Put the buffer name into a text property
- ;; so we don't have to extract it from the text.
- ;; This way we avoid problems with unusual buffer names.
- (setq this-buffer-line-start
- (+ this-buffer-line-start Buffer-menu-buffer-column))
- (let ((name-end (point)))
- (indent-to 17 2)
- (put-text-property this-buffer-line-start name-end
- 'buffer-name name)
- (put-text-property this-buffer-line-start (point)
- 'buffer buffer)
- (put-text-property this-buffer-line-start name-end
- 'mouse-face 'highlight))
- (let (size
- mode
- (excess (- (current-column) 17)))
- (setq size (format "%8d" this-buffer-size))
- ;; Ack -- if looking at the *Buffer List* buffer,
- ;; always use "Buffer Menu" mode. Otherwise the
- ;; first time the buffer is created, the mode will be wrong.
- (setq mode this-buffer-mode-name)
- (while (and (> excess 0) (= (aref size 0) ?\ ))
- (setq size (substring size 1))
- (setq excess (1- excess)))
- (princ size)
- (indent-to 27 1)
- (princ mode))
- (indent-to 40 1)
- (or file (setq file this-buffer-directory))
- (if file
- (princ (abbreviate-file-name file)))
- (princ "\n"))))
- (setq bl (cdr bl))))
+ (dolist (buffer (buffer-list))
+ (let ((name (buffer-name buffer))
+ (file (buffer-file-name buffer))
+ this-buffer-line-start
+ this-buffer-read-only
+ (this-buffer-size (buffer-size buffer))
+ this-buffer-mode-name
+ this-buffer-directory)
+ (with-current-buffer buffer
+ (setq this-buffer-read-only buffer-read-only
+ this-buffer-mode-name mode-name)
+ (unless file
+ ;; No visited file. Check local value of
+ ;; list-buffers-directory.
+ (when (and (boundp 'list-buffers-directory)
+ list-buffers-directory)
+ (setq this-buffer-directory list-buffers-directory))))
+ (cond
+ ;; Don't mention internal buffers.
+ ((string= (substring name 0 1) " "))
+ ;; Maybe don't mention buffers without files.
+ ((and files-only (not file)))
+ ((string= name "*Buffer List*"))
+ ;; Otherwise output info.
+ (t
+ (setq this-buffer-line-start (point))
+ ;; Identify current buffer.
+ (if (eq buffer old-buffer)
+ (progn
+ (setq desired-point (point))
+ (princ "."))
+ (princ " "))
+ ;; Identify modified buffers.
+ (princ (if (buffer-modified-p buffer) "*" " "))
+ ;; Handle readonly status. The output buffer is special
+ ;; cased to appear readonly; it is actually made so at a
+ ;; later date.
+ (princ (if (or (eq buffer standard-output)
+ this-buffer-read-only)
+ "% "
+ " "))
+ (princ name)
+ ;; Put the buffer name into a text property
+ ;; so we don't have to extract it from the text.
+ ;; This way we avoid problems with unusual buffer names.
+ (setq this-buffer-line-start
+ (+ this-buffer-line-start Buffer-menu-buffer-column))
+ (let ((name-end (point)))
+ (indent-to 17 2)
+ (put-text-property this-buffer-line-start name-end
+ 'buffer-name name)
+ (put-text-property this-buffer-line-start (point)
+ 'buffer buffer)
+ (put-text-property this-buffer-line-start name-end
+ 'mouse-face 'highlight)
+ (put-text-property this-buffer-line-start name-end
+ 'help-echo "mouse-2: select this buffer"))
+ (let ((size (format "%8d" this-buffer-size))
+ (mode this-buffer-mode-name)
+ (excess (- (current-column) 17)))
+ (while (and (> excess 0) (= (aref size 0) ?\ ))
+ (setq size (substring size 1)
+ excess (1- excess)))
+ (princ size)
+ (indent-to 27 1)
+ (princ mode))
+ (indent-to 40 1)
+ (or file (setq file this-buffer-directory))
+ (when file
+ (princ (abbreviate-file-name file)))
+ (princ "\n")))))
(Buffer-menu-mode)
;; DESIRED-POINT doesn't have to be set; it is not when the
;; current buffer is not displayed for some reason.
HCoop / bpt / emacs.git / blobdiff