1 ;;; ibuf-ext.el --- extensions for ibuffer
3 ;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
4 ;; 2005 Free Software Foundation, Inc.
6 ;; Author: Colin Walters <walters@verbum.org>
7 ;; Maintainer: John Paul Wallington <jpw@gnu.org>
9 ;; Keywords: buffer, convenience
11 ;; This file is part of GNU Emacs.
13 ;; This program is free software; you can redistribute it and/or
14 ;; modify it under the terms of the GNU General Public License as
15 ;; published by the Free Software Foundation; either version 2, or (at
16 ;; your option) any later version.
18 ;; This program is distributed in the hope that it will be useful, but
19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 ;; General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with this program ; see the file COPYING. If not, write to
25 ;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
26 ;; Boston, MA 02110-1301, USA.
30 ;; These functions should be automatically loaded when called, but you
31 ;; can explicity (require 'ibuf-ext) in your ~/.emacs to have them
43 (defun ibuffer-delete-alist (key alist)
44 "Delete all entries in ALIST that have a key equal to KEY."
46 (while (setq entry (assoc key alist))
47 (setq alist (delete entry alist)))
51 (defun ibuffer-remove-duplicates (list)
52 "Return a copy of LIST with duplicate elements removed."
56 (or (member (car tail) new)
57 (setq new (cons (car tail) new)))
58 (setq tail (cdr tail)))
61 (defun ibuffer-split-list (ibuffer-split-list-fn ibuffer-split-list-elts)
64 (dolist (ibuffer-split-list-elt ibuffer-split-list-elts)
65 (if (funcall ibuffer-split-list-fn ibuffer-split-list-elt)
66 (push ibuffer-split-list-elt hip-crowd)
67 (push ibuffer-split-list-elt lamers)))
68 ;; Too bad Emacs Lisp doesn't have multiple values.
69 (list (nreverse hip-crowd) (nreverse lamers))))
71 (defcustom ibuffer-never-show-predicates nil
72 "A list of predicates (a regexp or function) for buffers not to display.
73 If a regexp, then it will be matched against the buffer's name.
74 If a function, it will be called with the buffer as an argument, and
75 should return non-nil if this buffer should not be shown."
76 :type '(repeat (choice regexp function))
79 (defcustom ibuffer-always-show-predicates nil
80 "A list of predicates (a regexp or function) for buffers to always display.
81 If a regexp, then it will be matched against the buffer's name.
82 If a function, it will be called with the buffer as an argument, and
83 should return non-nil if this buffer should be shown.
84 Note that buffers matching one of these predicates will be shown
85 regardless of any active filters in this buffer."
86 :type '(repeat (choice regexp function))
89 (defvar ibuffer-tmp-hide-regexps nil
90 "A list of regexps which should match buffer names to not show.")
92 (defvar ibuffer-tmp-show-regexps nil
93 "A list of regexps which should match buffer names to always show.")
95 (defvar ibuffer-auto-mode nil
96 "If non-nil, Ibuffer auto-mode should be enabled for this buffer.
97 Do not set this variable directly! Use the function
98 `ibuffer-auto-mode' instead.")
100 (defvar ibuffer-auto-buffers-changed nil)
102 (defcustom ibuffer-saved-filters '(("gnus"
103 ((or (mode . message-mode)
105 (mode . gnus-group-mode)
106 (mode . gnus-summary-mode)
107 (mode . gnus-article-mode))))
109 ((or (mode . emacs-lisp-mode)
114 (mode . lisp-mode)))))
116 "An alist of filter qualifiers to switch between.
118 This variable should look like ((\"STRING\" QUALIFIERS)
119 (\"STRING\" QUALIFIERS) ...), where
120 QUALIFIERS is a list of the same form as
121 `ibuffer-filtering-qualifiers'.
122 See also the variables `ibuffer-filtering-qualifiers',
123 `ibuffer-filtering-alist', and the functions
124 `ibuffer-switch-to-saved-filters', `ibuffer-save-filters'."
128 (defvar ibuffer-filtering-qualifiers nil
129 "A list like (SYMBOL . QUALIFIER) which filters the current buffer list.
130 See also `ibuffer-filtering-alist'.")
132 ;; This is now frobbed by `define-ibuffer-filter'.
133 (defvar ibuffer-filtering-alist nil
134 "An alist of (SYMBOL DESCRIPTION FUNCTION) which describes a filter.
136 You most likely do not want to modify this variable directly; see
137 `define-ibuffer-filter'.
139 SYMBOL is the symbolic name of the filter. DESCRIPTION is used when
140 displaying information to the user. FUNCTION is given a buffer and
141 the value of the qualifier, and returns non-nil if and only if the
142 buffer should be displayed.")
144 (defcustom ibuffer-filter-format-alist nil
145 "An alist which has special formats used when a filter is active.
146 The contents of this variable should look like:
147 ((FILTER (FORMAT FORMAT ...)) (FILTER (FORMAT FORMAT ...)) ...)
149 For example, suppose that when you add a filter for buffers whose
150 major mode is `emacs-lisp-mode', you only want to see the mark and the
151 name of the buffer. You could accomplish that by adding:
152 (mode ((mark \" \" name)))
154 :type '(repeat (list :tag "Association" (symbol :tag "Filter")
155 (list :tag "Formats" (repeat (sexp :tag "Format")))))
158 (defvar ibuffer-cached-filter-formats nil)
159 (defvar ibuffer-compiled-filter-formats nil)
161 (defvar ibuffer-filter-groups nil
162 "A list like ((\"NAME\" ((SYMBOL . QUALIFIER) ...) ...) which groups buffers.
163 The SYMBOL should be one from `ibuffer-filtering-alist'.
164 The QUALIFIER should be the same as QUALIFIER in
165 `ibuffer-filtering-qualifiers'.")
167 (defcustom ibuffer-show-empty-filter-groups t
168 "If non-nil, then show the names of filter groups which are empty."
172 (defcustom ibuffer-saved-filter-groups nil
173 "An alist of filtering groups to switch between.
175 This variable should look like ((\"STRING\" QUALIFIERS)
176 (\"STRING\" QUALIFIERS) ...), where
177 QUALIFIERS is a list of the same form as
178 `ibuffer-filtering-qualifiers'.
180 See also the variables `ibuffer-filter-groups',
181 `ibuffer-filtering-qualifiers', `ibuffer-filtering-alist', and the
182 functions `ibuffer-switch-to-saved-filter-group',
183 `ibuffer-save-filter-group'."
187 (defvar ibuffer-hidden-filter-groups nil
188 "A list of filtering groups which are currently hidden.")
190 (defvar ibuffer-filter-group-kill-ring nil)
192 (defcustom ibuffer-old-time 72
193 "The number of hours before a buffer is considered \"old\"."
194 :type '(choice (const :tag "72 hours (3 days)" 72)
195 (const :tag "48 hours (2 days)" 48)
196 (const :tag "24 hours (1 day)" 24)
197 (integer :tag "hours"))
200 (defcustom ibuffer-save-with-custom t
201 "If non-nil, then use Custom to save interactively changed variables.
202 Currently, this only applies to `ibuffer-saved-filters' and
203 `ibuffer-saved-filter-groups'."
207 (defun ibuffer-ext-visible-p (buf all &optional ibuffer-buf)
209 (ibuffer-buf-matches-predicates buf ibuffer-tmp-show-regexps)
212 (ibuffer-buf-matches-predicates buf ibuffer-tmp-hide-regexps)
213 (ibuffer-buf-matches-predicates buf ibuffer-never-show-predicates)))
216 (ibuffer-buf-matches-predicates buf ibuffer-maybe-show-predicates)))
217 (or ibuffer-view-ibuffer
219 (not (eq ibuffer-buf buf))))
221 (ibuffer-included-in-filters-p buf ibuffer-filtering-qualifiers)
222 (ibuffer-buf-matches-predicates buf ibuffer-always-show-predicates)))))
224 (defun ibuffer-auto-update-changed ()
225 (when ibuffer-auto-buffers-changed
226 (setq ibuffer-auto-buffers-changed nil)
227 (mapcar #'(lambda (buf)
229 (with-current-buffer buf
230 (when (and ibuffer-auto-mode
231 (eq major-mode 'ibuffer-mode))
232 (ibuffer-update nil t)))))
236 (defun ibuffer-auto-mode (&optional arg)
237 "Toggle use of Ibuffer's auto-update facility.
238 With numeric ARG, enable auto-update if and only if ARG is positive."
240 (unless (eq major-mode 'ibuffer-mode)
241 (error "This buffer is not in Ibuffer mode"))
242 (set (make-local-variable 'ibuffer-auto-mode)
245 (not ibuffer-auto-mode)))
246 (defadvice get-buffer-create (after ibuffer-notify-create activate)
247 (setq ibuffer-auto-buffers-changed t))
248 (defadvice kill-buffer (after ibuffer-notify-kill activate)
249 (setq ibuffer-auto-buffers-changed t))
250 (add-hook 'post-command-hook 'ibuffer-auto-update-changed)
251 (ibuffer-update-mode-name))
254 (defun ibuffer-mouse-filter-by-mode (event)
255 "Enable or disable filtering by the major mode chosen via mouse."
257 (ibuffer-interactive-filter-by-mode event))
260 (defun ibuffer-interactive-filter-by-mode (event-or-point)
261 "Enable or disable filtering by the major mode at point."
263 (if (eventp event-or-point)
264 (mouse-set-point event-or-point)
265 (goto-char event-or-point))
266 (let ((buf (ibuffer-current-buffer)))
267 (if (assq 'mode ibuffer-filtering-qualifiers)
268 (setq ibuffer-filtering-qualifiers
269 (ibuffer-delete-alist 'mode ibuffer-filtering-qualifiers))
270 (ibuffer-push-filter (cons 'mode
271 (with-current-buffer buf
273 (ibuffer-update nil t))
276 (defun ibuffer-mouse-toggle-filter-group (event)
277 "Toggle the display status of the filter group chosen with the mouse."
279 (ibuffer-toggle-filter-group-1 (save-excursion
280 (mouse-set-point event)
284 (defun ibuffer-toggle-filter-group ()
285 "Toggle the display status of the filter group on this line."
287 (ibuffer-toggle-filter-group-1 (point)))
289 (defun ibuffer-toggle-filter-group-1 (posn)
290 (let ((name (get-text-property posn 'ibuffer-filter-group-name)))
291 (unless (stringp name)
292 (error "No filtering group name present"))
293 (if (member name ibuffer-hidden-filter-groups)
294 (setq ibuffer-hidden-filter-groups
295 (delete name ibuffer-hidden-filter-groups))
296 (push name ibuffer-hidden-filter-groups))
297 (ibuffer-update nil t)))
300 (defun ibuffer-forward-filter-group (&optional count)
301 "Move point forwards by COUNT filtering groups."
306 (when (get-text-property (point) 'ibuffer-filter-group-name)
307 (goto-char (next-single-property-change
308 (point) 'ibuffer-filter-group-name
310 (goto-char (next-single-property-change
311 (point) 'ibuffer-filter-group-name
313 (ibuffer-forward-filter-group (1- count)))
314 (ibuffer-forward-line 0))
317 (defun ibuffer-backward-filter-group (&optional count)
318 "Move point backwards by COUNT filtering groups."
323 (when (get-text-property (point) 'ibuffer-filter-group-name)
324 (goto-char (previous-single-property-change
325 (point) 'ibuffer-filter-group-name
327 (goto-char (previous-single-property-change
328 (point) 'ibuffer-filter-group-name
330 (ibuffer-backward-filter-group (1- count)))
331 (when (= (point) (point-min))
332 (goto-char (point-max))
333 (ibuffer-backward-filter-group 1))
334 (ibuffer-forward-line 0))
336 ;;;###autoload (autoload 'ibuffer-do-shell-command-pipe "ibuf-ext.el")
337 (define-ibuffer-op shell-command-pipe (command)
338 "Pipe the contents of each marked buffer to shell command COMMAND."
339 (:interactive "sPipe to shell command: "
340 :opstring "Shell command executed on"
342 (shell-command-on-region
343 (point-min) (point-max) command
344 (get-buffer-create "* ibuffer-shell-output*")))
346 ;;;###autoload (autoload 'ibuffer-do-shell-command-pipe-replace "ibuf-ext.el")
347 (define-ibuffer-op shell-command-pipe-replace (command)
348 "Replace the contents of marked buffers with output of pipe to COMMAND."
349 (:interactive "sPipe to shell command (replace): "
350 :opstring "Buffer contents replaced in"
351 :active-opstring "replace buffer contents in"
354 (with-current-buffer buf
355 (shell-command-on-region (point-min) (point-max)
358 ;;;###autoload (autoload 'ibuffer-do-shell-command-file "ibuf-ext.el")
359 (define-ibuffer-op shell-command-file (command)
360 "Run shell command COMMAND separately on files of marked buffers."
361 (:interactive "sShell command on buffer's file: "
362 :opstring "Shell command executed on"
364 (shell-command (concat command " "
365 (shell-quote-argument
369 (substring (buffer-name) 0 (min 10 (length (buffer-name))))))))))
371 ;;;###autoload (autoload 'ibuffer-do-eval "ibuf-ext.el")
372 (define-ibuffer-op eval (form)
373 "Evaluate FORM in each of the buffers.
374 Does not display the buffer during evaluation. See
375 `ibuffer-do-view-and-eval' for that."
376 (:interactive "xEval in buffers (form): "
377 :opstring "evaluated in"
381 ;;;###autoload (autoload 'ibuffer-do-view-and-eval "ibuf-ext.el")
382 (define-ibuffer-op view-and-eval (form)
383 "Evaluate FORM while displaying each of the marked buffers.
384 To evaluate a form without viewing the buffer, see `ibuffer-do-eval'."
385 (:interactive "xEval viewing buffers (form): "
386 :opstring "evaluated in"
389 (let ((ibuffer-buf (current-buffer)))
392 (switch-to-buffer buf)
394 (switch-to-buffer ibuffer-buf))))
396 ;;;###autoload (autoload 'ibuffer-do-rename-uniquely "ibuf-ext.el")
397 (define-ibuffer-op rename-uniquely ()
398 "Rename marked buffers as with `rename-uniquely'."
403 ;;;###autoload (autoload 'ibuffer-do-revert "ibuf-ext.el")
404 (define-ibuffer-op revert ()
405 "Revert marked buffers as with `revert-buffer'."
408 :active-opstring "revert"
412 ;;;###autoload (autoload 'ibuffer-do-replace-regexp "ibuf-ext.el")
413 (define-ibuffer-op replace-regexp (from-str to-str)
414 "Perform a `replace-regexp' in marked buffers."
416 (let* ((from-str (read-from-minibuffer "Replace regexp: "))
417 (to-str (read-from-minibuffer (concat "Replace " from-str
419 (list from-str to-str))
420 :opstring "replaced in"
423 (save-window-excursion
424 (switch-to-buffer buf)
426 (goto-char (point-min))
427 (let ((case-fold-search ibuffer-case-fold-search))
428 (while (re-search-forward from-str nil t)
429 (replace-match to-str))))
432 ;;;###autoload (autoload 'ibuffer-do-query-replace "ibuf-ext.el")
433 (define-ibuffer-op query-replace (&rest args)
434 "Perform a `query-replace' in marked buffers."
436 (query-replace-read-args "Query replace" t t)
437 :opstring "replaced in"
440 (save-window-excursion
441 (switch-to-buffer buf)
443 (let ((case-fold-search ibuffer-case-fold-search))
444 (goto-char (point-min))
445 (apply #'query-replace args)))
448 ;;;###autoload (autoload 'ibuffer-do-query-replace-regexp "ibuf-ext.el")
449 (define-ibuffer-op query-replace-regexp (&rest args)
450 "Perform a `query-replace-regexp' in marked buffers."
452 (query-replace-read-args "Query replace regexp" t t)
453 :opstring "replaced in"
456 (save-window-excursion
457 (switch-to-buffer buf)
459 (let ((case-fold-search ibuffer-case-fold-search))
460 (goto-char (point-min))
461 (apply #'query-replace-regexp args)))
464 ;;;###autoload (autoload 'ibuffer-do-print "ibuf-ext.el")
465 (define-ibuffer-op print ()
466 "Print marked buffers as with `print-buffer'."
472 (defun ibuffer-included-in-filters-p (buf filters)
474 (memq nil ;; a filter will return nil if it failed
476 ;; filter should be like (TYPE . QUALIFIER), or
477 ;; (or (TYPE . QUALIFIER) (TYPE . QUALIFIER) ...)
479 (ibuffer-included-in-filter-p buf qual))
482 (defun ibuffer-included-in-filter-p (buf filter)
483 (if (eq (car filter) 'not)
484 (not (ibuffer-included-in-filter-p-1 buf (cdr filter)))
485 (ibuffer-included-in-filter-p-1 buf filter)))
487 (defun ibuffer-included-in-filter-p-1 (buf filter)
492 (memq t (mapcar #'(lambda (x)
493 (ibuffer-included-in-filter-p buf x))
498 ibuffer-saved-filters)))
500 (ibuffer-filter-disable)
501 (error "Unknown saved filter %s" (cdr filter)))
502 (ibuffer-included-in-filters-p buf (cadr data))))
504 (let ((filterdat (assq (car filter)
505 ibuffer-filtering-alist)))
506 ;; filterdat should be like (TYPE DESCRIPTION FUNC)
507 ;; just a sanity check
509 (ibuffer-filter-disable)
510 (error "Undefined filter %s" (car filter)))
513 (funcall (caddr filterdat)
515 (cdr filter))))))))))
517 (defun ibuffer-generate-filter-groups (bmarklist)
518 (let ((filter-group-alist (append ibuffer-filter-groups
519 (list (cons "Default" nil)))))
520 ;; (dolist (hidden ibuffer-hidden-filter-groups)
521 ;; (setq filter-group-alist (ibuffer-delete-alist
522 ;; hidden filter-group-alist)))
523 (let ((vec (make-vector (length filter-group-alist) nil))
525 (dolist (filtergroup filter-group-alist)
526 (let ((filterset (cdr filtergroup)))
527 (multiple-value-bind (hip-crowd lamers)
528 (ibuffer-split-list (lambda (bufmark)
529 (ibuffer-included-in-filters-p (car bufmark)
532 (aset vec i hip-crowd)
534 (setq bmarklist lamers))))
537 (push (cons (car (nth j filter-group-alist))
542 (defun ibuffer-filters-to-filter-group (name)
543 "Make the current filters into a filtering group."
544 (interactive "sName for filtering group: ")
545 (when (null ibuffer-filtering-qualifiers)
546 (error "No filters in effect"))
547 (push (cons name ibuffer-filtering-qualifiers) ibuffer-filter-groups)
548 (ibuffer-filter-disable))
551 (defun ibuffer-set-filter-groups-by-mode ()
552 "Set the current filter groups to filter by mode."
554 (setq ibuffer-filter-groups
555 (mapcar (lambda (mode)
556 (cons (format "%s" mode) `((mode . ,mode))))
558 (ibuffer-remove-duplicates
559 (mapcar (lambda (buf)
560 (with-current-buffer buf major-mode))
562 (if ibuffer-view-ibuffer
564 (delq 'ibuffer-mode modes)))))
565 (ibuffer-update nil t))
568 (defun ibuffer-pop-filter-group ()
569 "Remove the first filter group."
571 (when (null ibuffer-filter-groups)
572 (error "No filter groups active"))
573 (setq ibuffer-hidden-filter-groups
574 (delete (pop ibuffer-filter-groups)
575 ibuffer-hidden-filter-groups))
576 (ibuffer-update nil t))
578 (defun ibuffer-read-filter-group-name (msg &optional nodefault noerror)
579 (when (and (not noerror) (null ibuffer-filter-groups))
580 (error "No filter groups active"))
581 (let ((groups (mapcar #'car ibuffer-filter-groups)))
582 (completing-read msg (if nodefault
584 (cons "Default" groups))
588 (defun ibuffer-decompose-filter-group (group)
589 "Decompose the filter group GROUP into active filters."
591 (list (ibuffer-read-filter-group-name "Decompose filter group: " t)))
592 (let ((data (cdr (assoc group ibuffer-filter-groups))))
593 (setq ibuffer-filter-groups (ibuffer-delete-alist
594 group ibuffer-filter-groups)
595 ibuffer-filtering-qualifiers data))
596 (ibuffer-update nil t))
599 (defun ibuffer-clear-filter-groups ()
600 "Remove all filter groups."
602 (setq ibuffer-filter-groups nil
603 ibuffer-hidden-filter-groups nil)
604 (ibuffer-update nil t))
606 (defun ibuffer-current-filter-groups-with-position ()
608 (goto-char (point-min))
611 (while (and (not (eobp))
612 (setq pos (next-single-property-change
613 (point) 'ibuffer-filter-group-name)))
615 (push (cons (get-text-property (point) 'ibuffer-filter-group-name)
618 (goto-char (next-single-property-change
619 pos 'ibuffer-filter-group-name)))
623 (defun ibuffer-jump-to-filter-group (name)
624 "Move point to the filter group whose name is NAME."
626 (list (ibuffer-read-filter-group-name "Jump to filter group: ")))
627 (ibuffer-aif (assoc name (ibuffer-current-filter-groups-with-position))
629 (error "No filter group with name %s" name)))
632 (defun ibuffer-kill-filter-group (name)
633 "Kill the filter group named NAME.
634 The group will be added to `ibuffer-filter-group-kill-ring'."
635 (interactive (list (ibuffer-read-filter-group-name "Kill filter group: " t)))
636 (when (equal name "Default")
637 (error "Can't kill default filter group"))
638 (ibuffer-aif (assoc name ibuffer-filter-groups)
640 (push (copy-tree it) ibuffer-filter-group-kill-ring)
641 (setq ibuffer-filter-groups (ibuffer-delete-alist
642 name ibuffer-filter-groups))
643 (setq ibuffer-hidden-filter-groups
644 (delete name ibuffer-hidden-filter-groups)))
645 (error "No filter group with name \"%s\"" name))
646 (ibuffer-update nil t))
649 (defun ibuffer-kill-line (&optional arg interactive-p)
650 "Kill the filter group at point.
651 See also `ibuffer-kill-filter-group'."
653 (ibuffer-aif (save-excursion
654 (ibuffer-forward-line 0)
655 (get-text-property (point) 'ibuffer-filter-group-name))
657 (ibuffer-kill-filter-group it))
658 (funcall (if interactive-p #'call-interactively #'funcall)
661 (defun ibuffer-insert-filter-group-before (newgroup group)
663 (pos (let ((groups (mapcar #'car ibuffer-filter-groups))
666 (if (equal (car groups) group)
670 (setq groups (cdr groups))))
673 (setq ibuffer-filter-groups
674 (nconc ibuffer-filter-groups (list newgroup))))
676 (push newgroup ibuffer-filter-groups))
678 (let ((cell (nthcdr pos ibuffer-filter-groups)))
679 (setf (cdr cell) (cons (car cell) (cdr cell)))
680 (setf (car cell) newgroup))))))
683 (defun ibuffer-yank ()
684 "Yank the last killed filter group before group at point."
686 (ibuffer-yank-filter-group
687 (or (get-text-property (point) 'ibuffer-filter-group-name)
688 (get-text-property (point) 'ibuffer-filter-group)
689 (error "No filter group at point"))))
692 (defun ibuffer-yank-filter-group (name)
693 "Yank the last killed filter group before group named NAME."
694 (interactive (list (ibuffer-read-filter-group-name
695 "Yank filter group before group: ")))
696 (unless ibuffer-filter-group-kill-ring
697 (error "The Ibuffer filter group kill-ring is empty"))
699 (ibuffer-forward-line 0)
700 (ibuffer-insert-filter-group-before (pop ibuffer-filter-group-kill-ring)
702 (ibuffer-update nil t))
705 (defun ibuffer-save-filter-groups (name groups)
706 "Save all active filter groups GROUPS as NAME.
707 They are added to `ibuffer-saved-filter-groups'. Interactively,
708 prompt for NAME, and use the current filters."
710 (if (null ibuffer-filter-groups)
711 (error "No filter groups active")
713 (read-from-minibuffer "Save current filter groups as: ")
714 ibuffer-filter-groups)))
715 (ibuffer-aif (assoc name ibuffer-saved-filter-groups)
717 (push (cons name groups) ibuffer-saved-filter-groups))
718 (ibuffer-maybe-save-stuff)
719 (ibuffer-update-mode-name))
722 (defun ibuffer-delete-saved-filter-groups (name)
723 "Delete saved filter groups with NAME.
724 They are removed from `ibuffer-saved-filter-groups'."
727 (if (null ibuffer-saved-filter-groups)
728 (error "No saved filter groups")
729 (completing-read "Delete saved filter group: "
730 ibuffer-saved-filter-groups nil t))))
731 (setq ibuffer-saved-filter-groups
732 (ibuffer-delete-alist name ibuffer-saved-filter-groups))
733 (ibuffer-maybe-save-stuff)
734 (ibuffer-update nil t))
737 (defun ibuffer-switch-to-saved-filter-groups (name)
738 "Set this buffer's filter groups to saved version with NAME.
739 The value from `ibuffer-saved-filters' is used.
740 If prefix argument ADD is non-nil, then add the saved filters instead
741 of replacing the current filters."
744 (if (null ibuffer-saved-filter-groups)
745 (error "No saved filters")
746 (completing-read "Switch to saved filter group: "
747 ibuffer-saved-filter-groups nil t))))
748 (setq ibuffer-filter-groups (cdr (assoc name ibuffer-saved-filter-groups))
749 ibuffer-hidden-filter-groups nil)
750 (ibuffer-update nil t))
753 (defun ibuffer-filter-disable ()
754 "Disable all filters currently in effect in this buffer."
756 (setq ibuffer-filtering-qualifiers nil)
757 (let ((buf (ibuffer-current-buffer)))
758 (ibuffer-update nil t)
760 (ibuffer-jump-to-buffer (buffer-name buf)))))
763 (defun ibuffer-pop-filter ()
764 "Remove the top filter in this buffer."
766 (when (null ibuffer-filtering-qualifiers)
767 (error "No filters in effect"))
768 (pop ibuffer-filtering-qualifiers)
769 (let ((buf (ibuffer-current-buffer)))
770 (ibuffer-update nil t)
772 (ibuffer-jump-to-buffer (buffer-name buf)))))
774 (defun ibuffer-push-filter (qualifier)
775 "Add QUALIFIER to `ibuffer-filtering-qualifiers'."
776 (push qualifier ibuffer-filtering-qualifiers))
779 (defun ibuffer-decompose-filter ()
780 "Separate the top compound filter (OR, NOT, or SAVED) in this buffer.
782 This means that the topmost filter on the filtering stack, which must
783 be a complex filter like (OR [name: foo] [mode: bar-mode]), will be
784 turned into two separate filters [name: foo] and [mode: bar-mode]."
786 (when (null ibuffer-filtering-qualifiers)
787 (error "No filters in effect"))
788 (let ((lim (pop ibuffer-filtering-qualifiers)))
791 (setq ibuffer-filtering-qualifiers (append
793 ibuffer-filtering-qualifiers)))
797 ibuffer-saved-filters)))
799 (ibuffer-filter-disable)
800 (error "Unknown saved filter %s" (cdr lim)))
801 (setq ibuffer-filtering-qualifiers (append
803 ibuffer-filtering-qualifiers))))
806 ibuffer-filtering-qualifiers))
808 (error "Filter type %s is not compound" (car lim)))))
809 (ibuffer-update nil t))
812 (defun ibuffer-exchange-filters ()
813 "Exchange the top two filters on the stack in this buffer."
815 (when (< (length ibuffer-filtering-qualifiers)
817 (error "Need two filters to exchange"))
818 (let ((first (pop ibuffer-filtering-qualifiers))
819 (second (pop ibuffer-filtering-qualifiers)))
820 (push first ibuffer-filtering-qualifiers)
821 (push second ibuffer-filtering-qualifiers))
822 (ibuffer-update nil t))
825 (defun ibuffer-negate-filter ()
826 "Negate the sense of the top filter in the current buffer."
828 (when (null ibuffer-filtering-qualifiers)
829 (error "No filters in effect"))
830 (let ((lim (pop ibuffer-filtering-qualifiers)))
831 (push (if (eq (car lim) 'not)
834 ibuffer-filtering-qualifiers))
835 (ibuffer-update nil t))
838 (defun ibuffer-or-filter (&optional reverse)
839 "Replace the top two filters in this buffer with their logical OR.
840 If optional argument REVERSE is non-nil, instead break the top OR
845 (when (or (null ibuffer-filtering-qualifiers)
846 (not (eq 'or (caar ibuffer-filtering-qualifiers))))
847 (error "Top filter is not an OR"))
848 (let ((lim (pop ibuffer-filtering-qualifiers)))
849 (setq ibuffer-filtering-qualifiers
850 (nconc (cdr lim) ibuffer-filtering-qualifiers))))
851 (when (< (length ibuffer-filtering-qualifiers) 2)
852 (error "Need two filters to OR"))
853 ;; If the second filter is an OR, just add to it.
854 (let ((first (pop ibuffer-filtering-qualifiers))
855 (second (pop ibuffer-filtering-qualifiers)))
856 (if (eq 'or (car second))
857 (push (nconc (list 'or first) (cdr second))
858 ibuffer-filtering-qualifiers)
859 (push (list 'or first second)
860 ibuffer-filtering-qualifiers))))
861 (ibuffer-update nil t))
863 (defun ibuffer-maybe-save-stuff ()
864 (when ibuffer-save-with-custom
865 (if (fboundp 'customize-save-variable)
867 (customize-save-variable 'ibuffer-saved-filters
868 ibuffer-saved-filters)
869 (customize-save-variable 'ibuffer-saved-filter-groups
870 ibuffer-saved-filter-groups))
871 (message "Not saved permanently: Customize not available"))))
874 (defun ibuffer-save-filters (name filters)
875 "Save FILTERS in this buffer with name NAME in `ibuffer-saved-filters'.
876 Interactively, prompt for NAME, and use the current filters."
878 (if (null ibuffer-filtering-qualifiers)
879 (error "No filters currently in effect")
881 (read-from-minibuffer "Save current filters as: ")
882 ibuffer-filtering-qualifiers)))
883 (ibuffer-aif (assoc name ibuffer-saved-filters)
885 (push (list name filters) ibuffer-saved-filters))
886 (ibuffer-maybe-save-stuff)
887 (ibuffer-update-mode-name))
890 (defun ibuffer-delete-saved-filters (name)
891 "Delete saved filters with NAME from `ibuffer-saved-filters'."
894 (if (null ibuffer-saved-filters)
895 (error "No saved filters")
896 (completing-read "Delete saved filters: "
897 ibuffer-saved-filters nil t))))
898 (setq ibuffer-saved-filters
899 (ibuffer-delete-alist name ibuffer-saved-filters))
900 (ibuffer-maybe-save-stuff)
901 (ibuffer-update nil t))
904 (defun ibuffer-add-saved-filters (name)
905 "Add saved filters from `ibuffer-saved-filters' to this buffer's filters."
908 (if (null ibuffer-saved-filters)
909 (error "No saved filters")
910 (completing-read "Add saved filters: "
911 ibuffer-saved-filters nil t))))
912 (push (cons 'saved name) ibuffer-filtering-qualifiers)
913 (ibuffer-update nil t))
916 (defun ibuffer-switch-to-saved-filters (name)
917 "Set this buffer's filters to filters with NAME from `ibuffer-saved-filters'.
918 If prefix argument ADD is non-nil, then add the saved filters instead
919 of replacing the current filters."
922 (if (null ibuffer-saved-filters)
923 (error "No saved filters")
924 (completing-read "Switch to saved filters: "
925 ibuffer-saved-filters nil t))))
926 (setq ibuffer-filtering-qualifiers (list (cons 'saved name)))
927 (ibuffer-update nil t))
929 (defun ibuffer-format-filter-group-data (filter)
930 (if (equal filter "Default")
932 (concat "Filter:" (mapconcat #'ibuffer-format-qualifier
933 (cdr (assq filter ibuffer-filter-groups))
936 (defun ibuffer-format-qualifier (qualifier)
937 (if (eq (car-safe qualifier) 'not)
938 (concat " [NOT" (ibuffer-format-qualifier-1 (cdr qualifier)) "]")
939 (ibuffer-format-qualifier-1 qualifier)))
941 (defun ibuffer-format-qualifier-1 (qualifier)
942 (case (car qualifier)
944 (concat " [filter: " (cdr qualifier) "]"))
946 (concat " [OR" (mapconcat #'ibuffer-format-qualifier
947 (cdr qualifier) "") "]"))
949 (let ((type (assq (car qualifier) ibuffer-filtering-alist)))
951 (error "Ibuffer: bad qualifier %s" qualifier))
952 (concat " [" (cadr type) ": " (format "%s]" (cdr qualifier)))))))
955 (defun ibuffer-list-buffer-modes ()
956 "Create an alist of buffer modes currently in use.
957 The list returned will be of the form (\"MODE-NAME\" . MODE-SYMBOL)."
958 (let ((bufs (buffer-list))
969 `(,(symbol-name this-mode) .
974 ;;; Extra operation definitions
976 ;;;###autoload (autoload 'ibuffer-filter-by-mode "ibuf-ext.el")
977 (define-ibuffer-filter mode
978 "Toggle current view to buffers with major mode QUALIFIER."
979 (:description "major mode"
982 (completing-read "Filter by major mode: " obarray
984 (string-match "-mode$"
987 (let ((buf (ibuffer-current-buffer)))
988 (if (and buf (buffer-live-p buf))
989 (with-current-buffer buf
990 (symbol-name major-mode))
992 (eq qualifier (with-current-buffer buf major-mode)))
994 ;;;###autoload (autoload 'ibuffer-filter-by-used-mode "ibuf-ext.el")
995 (define-ibuffer-filter used-mode
996 "Toggle current view to buffers with major mode QUALIFIER.
997 Called interactively, this function allows selection of modes
998 currently used by buffers."
999 (:description "major mode in use"
1002 (completing-read "Filter by major mode: "
1003 (ibuffer-list-buffer-modes)
1006 (let ((buf (ibuffer-current-buffer)))
1007 (if (and buf (buffer-live-p buf))
1008 (with-current-buffer buf
1009 (symbol-name major-mode))
1011 (eq qualifier (with-current-buffer buf major-mode)))
1013 ;;;###autoload (autoload 'ibuffer-filter-by-name "ibuf-ext.el")
1014 (define-ibuffer-filter name
1015 "Toggle current view to buffers with name matching QUALIFIER."
1016 (:description "buffer name"
1017 :reader (read-from-minibuffer "Filter by name (regexp): "))
1018 (string-match qualifier (buffer-name buf)))
1020 ;;;###autoload (autoload 'ibuffer-filter-by-filename "ibuf-ext.el")
1021 (define-ibuffer-filter filename
1022 "Toggle current view to buffers with filename matching QUALIFIER."
1023 (:description "filename"
1024 :reader (read-from-minibuffer "Filter by filename (regexp): "))
1025 (ibuffer-awhen (with-current-buffer buf
1026 (or buffer-file-name
1027 (and (boundp 'dired-directory)
1028 (if (stringp dired-directory)
1030 (car dired-directory))
1031 (expand-file-name dired-directory))))
1032 (string-match qualifier it)))
1034 ;;;###autoload (autoload 'ibuffer-filter-by-size-gt "ibuf-ext.el")
1035 (define-ibuffer-filter size-gt
1036 "Toggle current view to buffers with size greater than QUALIFIER."
1037 (:description "size greater than"
1039 (string-to-number (read-from-minibuffer "Filter by size greater than: ")))
1040 (> (with-current-buffer buf (buffer-size))
1043 ;;;###autoload (autoload 'ibuffer-filter-by-size-lt "ibuf-ext.el")
1044 (define-ibuffer-filter size-lt
1045 "Toggle current view to buffers with size less than QUALIFIER."
1046 (:description "size less than"
1048 (string-to-number (read-from-minibuffer "Filter by size less than: ")))
1049 (< (with-current-buffer buf (buffer-size))
1052 ;;;###autoload (autoload 'ibuffer-filter-by-content "ibuf-ext.el")
1053 (define-ibuffer-filter content
1054 "Toggle current view to buffers whose contents match QUALIFIER."
1055 (:description "content"
1056 :reader (read-from-minibuffer "Filter by content (regexp): "))
1057 (with-current-buffer buf
1059 (goto-char (point-min))
1060 (re-search-forward qualifier nil t))))
1062 ;;;###autoload (autoload 'ibuffer-filter-by-predicate "ibuf-ext.el")
1063 (define-ibuffer-filter predicate
1064 "Toggle current view to buffers for which QUALIFIER returns non-nil."
1065 (:description "predicate"
1066 :reader (read-minibuffer "Filter by predicate (form): "))
1067 (with-current-buffer buf
1073 (defun ibuffer-toggle-sorting-mode ()
1074 "Toggle the current sorting mode.
1075 Default sorting modes are:
1076 Recency - the last time the buffer was viewed
1077 Name - the name of the buffer
1078 Major Mode - the name of the major mode of the buffer
1079 Size - the size of the buffer"
1081 (let ((modes (mapcar 'car ibuffer-sorting-functions-alist)))
1082 (add-to-list 'modes 'recency)
1083 (setq modes (sort modes 'string-lessp))
1084 (let ((next (or (car-safe (cdr-safe (memq ibuffer-sorting-mode modes)))
1086 (setq ibuffer-sorting-mode next)
1087 (message "Sorting by %s" next)))
1088 (ibuffer-redisplay t))
1091 (defun ibuffer-invert-sorting ()
1092 "Toggle whether or not sorting is in reverse order."
1094 (setq ibuffer-sorting-reversep (not ibuffer-sorting-reversep))
1095 (message "Sorting order %s"
1096 (if ibuffer-sorting-reversep
1099 (ibuffer-redisplay t))
1101 ;;;###autoload (autoload 'ibuffer-do-sort-by-major-mode "ibuf-ext.el")
1102 (define-ibuffer-sorter major-mode
1103 "Sort the buffers by major modes.
1104 Ordering is lexicographic."
1105 (:description "major mode")
1106 (string-lessp (downcase
1107 (symbol-name (with-current-buffer
1111 (symbol-name (with-current-buffer
1115 ;;;###autoload (autoload 'ibuffer-do-sort-by-mode-name "ibuf-ext.el")
1116 (define-ibuffer-sorter mode-name
1117 "Sort the buffers by their mode name.
1118 Ordering is lexicographic."
1119 (:description "major mode name")
1120 (string-lessp (downcase
1121 (with-current-buffer
1125 (with-current-buffer
1129 ;;;###autoload (autoload 'ibuffer-do-sort-by-alphabetic "ibuf-ext.el")
1130 (define-ibuffer-sorter alphabetic
1131 "Sort the buffers by their names.
1132 Ordering is lexicographic."
1133 (:description "buffer name")
1135 (buffer-name (car a))
1136 (buffer-name (car b))))
1138 ;;;###autoload (autoload 'ibuffer-do-sort-by-size "ibuf-ext.el")
1139 (define-ibuffer-sorter size
1140 "Sort the buffers by their size."
1141 (:description "size")
1142 (< (with-current-buffer (car a)
1144 (with-current-buffer (car b)
1147 ;;; Functions to emulate bs.el
1150 (defun ibuffer-bs-show ()
1151 "Emulate `bs-show' from the bs.el package."
1153 (ibuffer t "*Ibuffer-bs*" '((filename . ".*")) nil t)
1154 (define-key (current-local-map) "a" 'ibuffer-bs-toggle-all))
1156 (defun ibuffer-bs-toggle-all ()
1157 "Emulate `bs-toggle-show-all' from the bs.el package."
1159 (if ibuffer-filtering-qualifiers
1160 (ibuffer-pop-filter)
1161 (progn (ibuffer-push-filter '(filename . ".*"))
1162 (ibuffer-update nil t))))
1167 (defun ibuffer-add-to-tmp-hide (regexp)
1168 "Add REGEXP to `ibuffer-tmp-hide-regexps'.
1169 This means that buffers whose name matches REGEXP will not be shown
1170 for this Ibuffer session."
1173 (read-from-minibuffer "Never show buffers matching: "
1174 (regexp-quote (buffer-name (ibuffer-current-buffer t))))))
1175 (push regexp ibuffer-tmp-hide-regexps))
1178 (defun ibuffer-add-to-tmp-show (regexp)
1179 "Add REGEXP to `ibuffer-tmp-show-regexps'.
1180 This means that buffers whose name matches REGEXP will always be shown
1181 for this Ibuffer session."
1184 (read-from-minibuffer "Always show buffers matching: "
1185 (regexp-quote (buffer-name (ibuffer-current-buffer t))))))
1186 (push regexp ibuffer-tmp-show-regexps))
1189 (defun ibuffer-forward-next-marked (&optional count mark direction)
1190 "Move forward by COUNT marked buffers (default 1).
1192 If MARK is non-nil, it should be a character denoting the type of mark
1193 to move by. The default is `ibuffer-marked-char'.
1195 If DIRECTION is non-nil, it should be an integer; negative integers
1196 mean move backwards, non-negative integers mean move forwards."
1201 (setq mark ibuffer-marked-char))
1205 (ibuffer-forward-line 0)
1206 (let ((opos (point))
1208 (ibuffer-forward-line direction)
1209 (while (not (or (= (point) opos)
1210 (eq (setq curmark (ibuffer-current-mark))
1212 (ibuffer-forward-line direction))
1213 (when (and (= (point) opos)
1214 (not (eq (ibuffer-current-mark) mark)))
1215 (error "No buffers with mark %c" mark))))
1218 (defun ibuffer-backwards-next-marked (&optional count mark)
1219 "Move backwards by COUNT marked buffers (default 1).
1221 If MARK is non-nil, it should be a character denoting the type of mark
1222 to move by. The default is `ibuffer-marked-char'."
1224 (ibuffer-forward-next-marked count mark -1))
1227 (defun ibuffer-do-kill-lines ()
1228 "Hide all of the currently marked lines."
1230 (if (= (ibuffer-count-marked-lines) 0)
1231 (message "No buffers marked; use 'm' to mark a buffer")
1233 (ibuffer-map-marked-lines
1234 #'(lambda (buf mark)
1236 (message "Killed %s lines" count))))
1239 (defun ibuffer-jump-to-buffer (name)
1240 "Move point to the buffer whose name is NAME.
1242 If called interactively, prompt for a buffer name and go to the
1243 corresponding line in the Ibuffer buffer. If said buffer is in a
1244 hidden group filter, open it.
1246 If `ibuffer-jump-offer-only-visible-buffers' is non-nil, only offer
1247 visible buffers in the completion list. Calling the command with
1248 a prefix argument reverses the meaning of that variable."
1250 (let ((only-visible ibuffer-jump-offer-only-visible-buffers))
1251 (when current-prefix-arg
1252 (setq only-visible (not only-visible)))
1254 (let ((table (mapcar #'(lambda (x)
1255 (buffer-name (car x)))
1256 (ibuffer-current-state-list))))
1258 (error "No buffers!"))
1259 (completing-read "Jump to buffer: "
1261 (read-buffer "Jump to buffer: " nil t)))))
1262 (when (not (string= "" name))
1264 ;; Blindly search for our buffer: it is very likely that it is
1265 ;; not in a hidden filter group.
1266 (ibuffer-map-lines #'(lambda (buf marks)
1267 (when (string= (buffer-name buf) name)
1268 (setq buf-point (point))
1273 (not (null ibuffer-hidden-filter-groups)))
1274 ;; We did not find our buffer. It must be in a hidden filter
1275 ;; group, so go through all hidden filter groups to find it.
1277 (dolist (group ibuffer-hidden-filter-groups)
1278 (ibuffer-jump-to-filter-group group)
1279 (ibuffer-toggle-filter-group)
1280 (ibuffer-map-lines #'(lambda (buf marks)
1281 (when (string= (buffer-name buf) name)
1282 (setq buf-point (point))
1287 (ibuffer-toggle-filter-group)))))
1288 (if (null buf-point)
1289 ;; Still not found even though we expanded all hidden filter
1290 ;; groups: that must be because it's hidden by predicate:
1291 ;; we won't bother trying to display it.
1292 (error "No buffer with name %s" name)
1293 (goto-char buf-point)))))
1296 (defun ibuffer-diff-with-file ()
1297 "View the differences between this buffer and its associated file.
1298 This requires the external program \"diff\" to be in your `exec-path'."
1300 (let ((buf (ibuffer-current-buffer)))
1301 (unless (buffer-live-p buf)
1302 (error "Buffer %s has been killed" buf))
1303 (diff-buffer-with-file buf)))
1306 (defun ibuffer-copy-filename-as-kill (&optional arg)
1307 "Copy filenames of marked buffers into the kill ring.
1309 The names are separated by a space.
1310 If a buffer has no filename, it is ignored.
1312 With no prefix arg, use the filename sans its directory of each marked file.
1313 With a zero prefix arg, use the complete filename of each marked file.
1314 With \\[universal-argument], use the filename of each marked file relative
1315 to `ibuffer-default-directory' iff non-nil, otherwise `default-directory'.
1317 You can then feed the file name(s) to other commands with \\[yank]."
1319 (if (zerop (ibuffer-count-marked-lines))
1320 (message "No buffers marked; use 'm' to mark a buffer")
1321 (let ((ibuffer-copy-filename-as-kill-result "")
1322 (type (cond ((zerop arg)
1328 (ibuffer-map-marked-lines
1329 #'(lambda (buf mark)
1330 (setq ibuffer-copy-filename-as-kill-result
1331 (concat ibuffer-copy-filename-as-kill-result
1332 (let ((name (buffer-file-name buf)))
1339 name (or ibuffer-default-directory
1340 default-directory)))
1342 (file-name-nondirectory name)))
1345 (kill-new ibuffer-copy-filename-as-kill-result))))
1347 (defun ibuffer-mark-on-buffer (func &optional ibuffer-mark-on-buffer-mark group)
1350 #'(lambda (buf mark)
1351 (when (funcall func buf)
1352 (ibuffer-set-mark-1 (or ibuffer-mark-on-buffer-mark
1353 ibuffer-marked-char))
1357 (ibuffer-redisplay t)
1358 (message "Marked %s buffers" count)))
1361 (defun ibuffer-mark-by-name-regexp (regexp)
1362 "Mark all buffers whose name matches REGEXP."
1363 (interactive "sMark by name (regexp): ")
1364 (ibuffer-mark-on-buffer
1366 (string-match regexp (buffer-name buf)))))
1369 (defun ibuffer-mark-by-mode-regexp (regexp)
1370 "Mark all buffers whose major mode matches REGEXP."
1371 (interactive "sMark by major mode (regexp): ")
1372 (ibuffer-mark-on-buffer
1374 (with-current-buffer buf
1375 (string-match regexp mode-name)))))
1378 (defun ibuffer-mark-by-file-name-regexp (regexp)
1379 "Mark all buffers whose file name matches REGEXP."
1380 (interactive "sMark by file name (regexp): ")
1381 (ibuffer-mark-on-buffer
1383 (let ((name (or (buffer-file-name buf)
1384 (with-current-buffer buf
1386 (boundp 'dired-directory)
1387 (stringp dired-directory)
1388 dired-directory)))))
1390 (string-match regexp name))))))
1393 (defun ibuffer-mark-by-mode (mode)
1394 "Mark all buffers whose major mode equals MODE."
1396 (list (intern (completing-read "Mark by major mode: " obarray
1398 ;; kind of a hack...
1400 (string-match "-mode$"
1403 (let ((buf (ibuffer-current-buffer)))
1404 (if (and buf (buffer-live-p buf))
1405 (with-current-buffer buf
1406 (cons (symbol-name major-mode)
1409 (ibuffer-mark-on-buffer
1411 (with-current-buffer buf
1412 (eq major-mode mode)))))
1415 (defun ibuffer-mark-modified-buffers ()
1416 "Mark all modified buffers."
1418 (ibuffer-mark-on-buffer
1419 #'(lambda (buf) (buffer-modified-p buf))))
1422 (defun ibuffer-mark-unsaved-buffers ()
1423 "Mark all modified buffers that have an associated file."
1425 (ibuffer-mark-on-buffer
1426 #'(lambda (buf) (and (with-current-buffer buf buffer-file-name)
1427 (buffer-modified-p buf)))))
1430 (defun ibuffer-mark-dissociated-buffers ()
1431 "Mark all buffers whose associated file does not exist."
1433 (ibuffer-mark-on-buffer
1435 (with-current-buffer buf
1437 (and buffer-file-name
1438 (not (file-exists-p buffer-file-name)))
1439 (and (eq major-mode 'dired-mode)
1440 (boundp 'dired-directory)
1441 (stringp dired-directory)
1442 (not (file-exists-p (file-name-directory dired-directory)))))))))
1445 (defun ibuffer-mark-help-buffers ()
1446 "Mark buffers like *Help*, *Apropos*, *Info*."
1448 (ibuffer-mark-on-buffer
1450 (with-current-buffer buf
1451 (memq major-mode ibuffer-help-buffer-modes)))))
1454 (defun ibuffer-mark-old-buffers ()
1455 "Mark buffers which have not been viewed in `ibuffer-old-time' days."
1457 (ibuffer-mark-on-buffer
1459 (with-current-buffer buf
1460 ;; hacked from midnight.el
1461 (when buffer-display-time
1462 (let* ((tm (current-time))
1463 (now (+ (* (float (ash 1 16)) (car tm))
1464 (float (cadr tm)) (* 0.0000001 (caddr tm))))
1465 (then (+ (* (float (ash 1 16))
1466 (car buffer-display-time))
1467 (float (cadr buffer-display-time))
1468 (* 0.0000001 (caddr buffer-display-time)))))
1469 (> (- now then) (* 60 60 ibuffer-old-time))))))))
1472 (defun ibuffer-mark-special-buffers ()
1473 "Mark all buffers whose name begins and ends with '*'."
1475 (ibuffer-mark-on-buffer
1476 #'(lambda (buf) (string-match "^\\*.+\\*$"
1477 (buffer-name buf)))))
1480 (defun ibuffer-mark-read-only-buffers ()
1481 "Mark all read-only buffers."
1483 (ibuffer-mark-on-buffer
1485 (with-current-buffer buf
1486 buffer-read-only))))
1489 (defun ibuffer-mark-dired-buffers ()
1490 "Mark all `dired' buffers."
1492 (ibuffer-mark-on-buffer
1494 (with-current-buffer buf
1495 (eq major-mode 'dired-mode)))))
1498 (defun ibuffer-do-occur (regexp &optional nlines)
1499 "View lines which match REGEXP in all marked buffers.
1500 Optional argument NLINES says how many lines of context to display: it
1502 (interactive (occur-read-primary-args))
1503 (if (or (not (integerp nlines))
1506 (when (zerop (ibuffer-count-marked-lines))
1507 (ibuffer-set-mark ibuffer-marked-char))
1508 (let ((ibuffer-do-occur-bufs nil))
1509 ;; Accumulate a list of marked buffers
1510 (ibuffer-map-marked-lines
1511 #'(lambda (buf mark)
1512 (push buf ibuffer-do-occur-bufs)))
1513 (occur-1 regexp nlines ibuffer-do-occur-bufs)))
1517 ;;; arch-tag: 9af21953-deda-4c30-b76d-f81d9128e76d
1518 ;;; ibuf-ext.el ends here