;;; uniquify.el --- unique buffer names dependent on file name
-;; Copyright (C) 1989, 1995, 1996, 1997, 2001, 2002, 2003,
-;; 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 1989, 1995-1997, 2001-2011 Free Software Foundation, Inc.
;; Author: Dick King <king@reasoning.com>
;; Maintainer: FSF
;; Keywords: files
;; Created: 15 May 86
+;; Package: emacs
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Add uniquify-list-buffers-directory-modes
;; Stefan Monnier <monnier@cs.yale.edu> 17 Nov 2000
;; Algorithm and data structure changed to reduce consing with lots of buffers
-;; Francesco Potort
ì <pot@gnu.org> (ideas by rms and monnier) 2001-07-18
+;; Francesco Potort
ì <pot@gnu.org> (ideas by rms and monnier) 2001-07-18
;; Valuable feedback was provided by
;; Paul Smith <psmith@baynetworks.com>,
(defgroup uniquify nil
"Unique buffer names dependent on file name."
- :group 'applications)
+ :group 'files)
(defcustom uniquify-buffer-name-style nil
- "*If non-nil, buffer names are uniquified with parts of directory name.
+ "If non-nil, buffer names are uniquified with parts of directory name.
The value determines the buffer name style and is one of `forward',
`reverse', `post-forward', or `post-forward-angle-brackets'.
For example, files `/foo/bar/mumble/name' and `/baz/quux/mumble/name'
reverse name\\mumble\\bar name\\mumble\\quux
post-forward name|bar/mumble name|quux/mumble
post-forward-angle-brackets name<bar/mumble> name<quux/mumble>
- nil name name<2>"
+ nil name name<2>
+Of course, the \"mumble\" part may be stripped as well, depending on the setting
+of `uniquify-strip-common-suffix'."
:type '(radio (const forward)
(const reverse)
(const post-forward)
:group 'uniquify)
(defcustom uniquify-ask-about-buffer-names-p nil
- "*If non-nil, permit user to choose names for buffers with same base file.
+ "If non-nil, permit user to choose names for buffers with same base file.
If the user chooses to name a buffer, uniquification is preempted and no
other buffer names are changed."
:type 'boolean
;; The default value matches certain Gnus buffers.
(defcustom uniquify-ignore-buffers-re nil
- "*Regular expression matching buffer names that should not be uniquified.
+ "Regular expression matching buffer names that should not be uniquified.
For instance, set this to \"^draft-[0-9]+$\" to avoid having uniquify rename
draft buffers even if `uniquify-after-kill-buffer-p' is non-nil and the
visited file name isn't the same as that of the buffer."
:group 'uniquify)
(defcustom uniquify-min-dir-content 0
- "*Minimum number of directory name components included in buffer name."
+ "Minimum number of directory name components included in buffer name."
:type 'integer
:group 'uniquify)
(defcustom uniquify-separator nil
- "*String separator for buffer name components.
+ "String separator for buffer name components.
When `uniquify-buffer-name-style' is `post-forward', separates
base file name from directory part in buffer names (default \"|\").
When `uniquify-buffer-name-style' is `reverse', separates all
:group 'uniquify)
(defcustom uniquify-trailing-separator-p nil
- "*If non-nil, add a file name separator to dired buffer names.
+ "If non-nil, add a file name separator to dired buffer names.
If `uniquify-buffer-name-style' is `forward', add the separator at the end;
if it is `reverse', add the separator at the beginning; otherwise, this
variable is ignored."
:type 'boolean
:group 'uniquify)
-(defvar uniquify-list-buffers-directory-modes '(dired-mode cvs-mode)
+(defvar uniquify-list-buffers-directory-modes '(dired-mode cvs-mode vc-dir-mode)
"List of modes for which uniquify should obey `list-buffers-directory'.
That means that when `buffer-file-name' is set to nil, `list-buffers-directory'
contains the name of the directory which the buffer is visiting.")
;; Used in desktop.el to save the non-uniquified buffer name
(defun uniquify-buffer-base-name ()
"Return the base name of the current buffer.
-Return nil if the buffer is not managed by uniquify,
-or if the base name is empty."
+Return nil if the buffer is not managed by uniquify."
(and uniquify-managed
- (let ((base (uniquify-item-base (car uniquify-managed))))
- (if (string= base "") nil base))))
+ (uniquify-item-base (car uniquify-managed))))
;;; Main entry point.
(directory-file-name filename))))))))
(defun uniquify-rerationalize-w/o-cb (fix-list)
- "Re-rationalize the buffers in FIX-LIST, but ignoring current-buffer."
+ "Re-rationalize the buffers in FIX-LIST, but ignoring `current-buffer'."
(let ((new-fix-list nil))
(dolist (item fix-list)
(let ((buf (uniquify-item-buffer item)))
proposed)
;; Divide fix-list into items with same proposed names and pass them
;; to uniquify-rationalize-conflicting-sublist.
- (dolist (item (sort fix-list 'uniquify-item-greaterp))
+ (dolist (item (sort (copy-sequence fix-list) 'uniquify-item-greaterp))
(setq proposed (uniquify-item-proposed item))
(unless (equal proposed old-proposed)
(uniquify-rationalize-conflicting-sublist conflicting-sublist
(setq dirname (directory-file-name dirname)))
(setq n (1- n))
(push (if (zerop (length file)) ;nil or "".
- (prog1 "" (setq dirname nil)) ;Could be `dirname' iso "".
+ (prog1 (or (file-remote-p dirname) "")
+ (setq dirname nil)) ;Could be `dirname' iso "".
file)
extra-string)))
(when (zerop n)
;;; Hooks from the rest of Emacs
+(defun uniquify-maybe-rerationalize-w/o-cb ()
+ "Re-rationalize buffer names, ignoring current buffer."
+ (and (cdr uniquify-managed)
+ uniquify-buffer-name-style
+ (uniquify-rerationalize-w/o-cb uniquify-managed)))
+
;; Buffer deletion
;; Rerationalize after a buffer is killed, to reduce coinciding buffer names.
;; This mechanism uses `kill-buffer-hook', which runs *before* deletion, so
;; it calls `uniquify-rerationalize-w/o-cb' to rerationalize the buffer list
;; ignoring the current buffer (which is going to be deleted anyway).
-(defun uniquify-maybe-rerationalize-w/o-cb ()
+(defun uniquify-kill-buffer-function ()
"Re-rationalize buffer names, ignoring current buffer.
For use on `kill-buffer-hook'."
- (if (and (cdr uniquify-managed)
- uniquify-buffer-name-style
- uniquify-after-kill-buffer-p)
- (uniquify-rerationalize-w/o-cb uniquify-managed)))
+ (and uniquify-after-kill-buffer-p
+ (uniquify-maybe-rerationalize-w/o-cb)))
;; Ideally we'd like to add it buffer-locally, but that doesn't work
;; because kill-buffer-hook is not permanent-local :-(
-(add-hook 'kill-buffer-hook 'uniquify-maybe-rerationalize-w/o-cb)
+;; FIXME kill-buffer-hook _is_ permanent-local in 22+.
+(add-hook 'kill-buffer-hook 'uniquify-kill-buffer-function)
;; The logical place to put all this code is in generate-new-buffer-name.
;; It's written in C, so we would add a generate-new-buffer-name-function
(provide 'uniquify)
-;; arch-tag: e763faa3-56c9-4903-8eb8-26e1c45a0065
;;; uniquify.el ends here