my-emacs-d/elpa/helm-20161004.2242/helm-buffers.el
Gergely Polonkai 5598dd3102 Update packages
2016-10-05 13:56:57 +02:00

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;;; helm-buffers.el --- helm support for buffers. -*- lexical-binding: t -*-
;; Copyright (C) 2012 ~ 2016 Thierry Volpiatto <thierry.volpiatto@gmail.com>
;; This program 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 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'cl-lib)
(require 'helm)
(require 'helm-types)
(require 'helm-utils)
(require 'helm-elscreen)
(require 'helm-grep)
(require 'helm-regexp)
(require 'helm-help)
(declare-function ido-make-buffer-list "ido" (default))
(declare-function ido-add-virtual-buffers-to-list "ido")
(declare-function helm-comp-read "helm-mode")
(declare-function helm-browse-project "helm-files")
(defgroup helm-buffers nil
"Buffers related Applications and libraries for Helm."
:group 'helm)
(defcustom helm-boring-buffer-regexp-list
'("\\` " "\\*helm" "\\*helm-mode" "\\*Echo Area" "\\*Minibuf")
"The regexp list that match boring buffers.
Buffer candidates matching these regular expression will be
filtered from the list of candidates if the
`helm-skip-boring-buffers' candidate transformer is used."
:type '(repeat (choice regexp))
:group 'helm-buffers)
(defcustom helm-white-buffer-regexp-list nil
"The regexp list of not boring buffers.
These buffers will be displayed even if they match one of
`helm-boring-buffer-regexp-list'."
:type '(repeat (choice regexp))
:group 'helm-buffers)
(defcustom helm-buffers-favorite-modes '(lisp-interaction-mode
emacs-lisp-mode
text-mode
org-mode)
"List of preferred mode to open new buffers with."
:type '(repeat (choice function))
:group 'helm-buffers)
(defcustom helm-buffer-max-length 20
"Max length of buffer names before truncate.
When disabled (nil) use the longest buffer-name length found."
:group 'helm-buffers
:type '(choice (const :tag "Disabled" nil)
(integer :tag "Length before truncate")))
(defcustom helm-buffer-details-flag t
"Always show details in buffer list when non--nil."
:group 'helm-buffers
:type 'boolean)
(defcustom helm-buffers-fuzzy-matching nil
"Fuzzy matching buffer names when non--nil.
Only buffer names are fuzzy matched when this is enabled,
`major-mode' matching is not affected by this."
:group 'helm-buffers
:type 'boolean)
(defcustom helm-buffer-skip-remote-checking nil
"Ignore checking for `file-exists-p' on remote files."
:group 'helm-buffers
:type 'boolean)
(defcustom helm-buffers-truncate-lines t
"Truncate lines in `helm-buffers-list' when non--nil."
:group 'helm-buffers
:type 'boolean)
(defcustom helm-mini-default-sources '(helm-source-buffers-list
helm-source-recentf
helm-source-buffer-not-found)
"Default sources list used in `helm-mini'."
:group 'helm-buffers
:type '(repeat (choice symbol)))
(defcustom helm-buffers-end-truncated-string "..."
"The string to display at end of truncated buffer names."
:type 'string
:group 'helm-buffers)
;;; Faces
;;
;;
(defgroup helm-buffers-faces nil
"Customize the appearance of helm-buffers."
:prefix "helm-"
:group 'helm-buffers
:group 'helm-faces)
(defface helm-buffer-saved-out
'((t (:foreground "red" :background "black")))
"Face used for buffer files modified outside of emacs."
:group 'helm-buffers-faces)
(defface helm-buffer-not-saved
'((t (:foreground "Indianred2")))
"Face used for buffer files not already saved on disk."
:group 'helm-buffers-faces)
(defface helm-buffer-size
'((((background dark)) :foreground "RosyBrown")
(((background light)) :foreground "SlateGray"))
"Face used for buffer size."
:group 'helm-buffers-faces)
(defface helm-buffer-process
'((t (:foreground "Sienna3")))
"Face used for process status in buffer."
:group 'helm-buffers-faces)
(defface helm-buffer-directory
'((t (:foreground "DarkRed" :background "LightGray")))
"Face used for directories in `helm-buffers-list'."
:group 'helm-buffers-faces)
(defface helm-buffer-file
'((t :inherit font-lock-builtin-face))
"Face for buffer file names in `helm-buffers-list'."
:group 'helm-buffers-faces)
;;; Buffers keymap
;;
(defvar helm-buffer-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map helm-map)
;; No need to have separate command for grep and zgrep
;; as we don't use recursivity for buffers.
;; So use zgrep for both as it is capable to handle non--compressed files.
(define-key map (kbd "M-g s") 'helm-buffer-run-zgrep)
(define-key map (kbd "C-s") 'helm-buffers-run-multi-occur)
(define-key map (kbd "C-x C-d") 'helm-buffers-run-browse-project)
(define-key map (kbd "C-c o") 'helm-buffer-switch-other-window)
(define-key map (kbd "C-c C-o") 'helm-buffer-switch-other-frame)
(define-key map (kbd "C-c =") 'helm-buffer-run-ediff)
(define-key map (kbd "M-=") 'helm-buffer-run-ediff-merge)
(define-key map (kbd "C-=") 'helm-buffer-diff-persistent)
(define-key map (kbd "M-U") 'helm-buffer-revert-persistent)
(define-key map (kbd "C-c d") 'helm-buffer-run-kill-persistent)
(define-key map (kbd "M-D") 'helm-buffer-run-kill-buffers)
(define-key map (kbd "C-x C-s") 'helm-buffer-save-persistent)
(define-key map (kbd "C-M-%") 'helm-buffer-run-query-replace-regexp)
(define-key map (kbd "M-%") 'helm-buffer-run-query-replace)
(define-key map (kbd "M-m") 'helm-toggle-all-marks)
(define-key map (kbd "M-a") 'helm-mark-all)
(define-key map (kbd "C-]") 'helm-toggle-buffers-details)
(define-key map (kbd "C-c a") 'helm-buffers-toggle-show-hidden-buffers)
(define-key map (kbd "<C-M-SPC>") 'helm-buffers-mark-similar-buffers)
map)
"Keymap for buffer sources in helm.")
(defvar helm-buffers-ido-virtual-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map helm-map)
(define-key map (kbd "C-c o") 'helm-ff-run-switch-other-window)
(define-key map (kbd "C-c C-o") 'helm-ff-run-switch-other-frame)
(define-key map (kbd "M-g s") 'helm-ff-run-grep)
(define-key map (kbd "M-g z") 'helm-ff-run-zgrep)
(define-key map (kbd "M-D") 'helm-ff-run-delete-file)
(define-key map (kbd "C-c C-x") 'helm-ff-run-open-file-externally)
map))
(defvar helm-buffers-list-cache nil)
(defvar helm-buffer-max-len-mode nil)
(defvar helm-buffers-in-project-p nil)
(defun helm-buffers-list--init ()
;; Issue #51 Create the list before `helm-buffer' creation.
(setq helm-buffers-list-cache (funcall (helm-attr 'buffer-list)))
(let ((result (cl-loop for b in helm-buffers-list-cache
maximize (length b) into len-buf
maximize (length (with-current-buffer b
(format-mode-line mode-name)))
into len-mode
finally return (cons len-buf len-mode))))
(unless (default-value 'helm-buffer-max-length)
(helm-set-local-variable 'helm-buffer-max-length (car result)))
(unless (default-value 'helm-buffer-max-len-mode)
(helm-set-local-variable 'helm-buffer-max-len-mode (cdr result)))))
(defclass helm-source-buffers (helm-source-sync helm-type-buffer)
((buffer-list
:initarg :buffer-list
:initform #'helm-buffer-list
:custom function
:documentation
" A function with no arguments to create buffer list.")
(init :initform 'helm-buffers-list--init)
(candidates :initform helm-buffers-list-cache)
(multimatch :initform nil)
(match :initform 'helm-buffers-match-function)
(persistent-action :initform 'helm-buffers-list-persistent-action)
(resume :initform (lambda ()
(run-with-idle-timer
0.1 nil (lambda ()
(with-helm-buffer
(helm-force-update))))))
(keymap :initform helm-buffer-map)
(migemo :initform 'nomultimatch)
(volatile :initform t)
(resume :initform (lambda () (setq helm-buffers-in-project-p nil)))
(help-message :initform 'helm-buffer-help-message)
(persistent-help
:initform
"Show this buffer / C-u \\[helm-execute-persistent-action]: Kill this buffer")))
(defvar helm-source-buffers-list nil)
(defvar helm-source-buffer-not-found
(helm-build-dummy-source
"Create buffer"
:action (helm-make-actions
"Create buffer (C-u choose mode)"
(lambda (candidate)
(let ((mjm (or (and helm-current-prefix-arg
(intern-soft (helm-comp-read
"Major-mode: "
helm-buffers-favorite-modes)))
(cl-loop for (r . m) in auto-mode-alist
when (string-match r candidate)
return m)))
(buffer (get-buffer-create candidate)))
(if mjm
(with-current-buffer buffer (funcall mjm))
(set-buffer-major-mode buffer))
(switch-to-buffer buffer))))))
(defvar ido-temp-list)
(defvar ido-ignored-list)
(defvar ido-process-ignore-lists)
(defvar ido-use-virtual-buffers)
(defvar ido-virtual-buffers)
(defvar helm-source-ido-virtual-buffers
(helm-build-sync-source "Ido virtual buffers"
:candidates (lambda ()
(let (ido-temp-list
ido-ignored-list
(ido-process-ignore-lists t))
(when ido-use-virtual-buffers
(ido-add-virtual-buffers-to-list)
ido-virtual-buffers)))
:fuzzy-match helm-buffers-fuzzy-matching
:keymap helm-buffers-ido-virtual-map
:help-message 'helm-buffers-ido-virtual-help-message
:action '(("Find file" . helm-find-many-files)
("Find file other window" . find-file-other-window)
("Find file other frame" . find-file-other-frame)
("Find file as root" . helm-find-file-as-root)
("Grep File(s) `C-u recurse'" . helm-find-files-grep)
("Zgrep File(s) `C-u Recurse'" . helm-ff-zgrep)
("View file" . view-file)
("Delete file(s)" . helm-delete-marked-files)
("Open file externally (C-u to choose)"
. helm-open-file-externally))))
(defvar ido-use-virtual-buffers)
(defvar ido-ignore-buffers)
(defun helm-buffer-list ()
"Return the current list of buffers.
Currently visible buffers are put at the end of the list.
See `ido-make-buffer-list' for more infos."
(require 'ido)
(let ((ido-process-ignore-lists t)
ido-ignored-list
ido-ignore-buffers
ido-use-virtual-buffers)
(ido-make-buffer-list nil)))
(defun helm-buffer-size (buffer)
"Return size of BUFFER."
(with-current-buffer buffer
(save-restriction
(widen)
(helm-file-human-size
(- (position-bytes (point-max))
(position-bytes (point-min)))))))
(defun helm-buffer--show-details (buf-name prefix help-echo
size mode dir face1 face2
proc details type)
(append
(list
(concat prefix
(propertize buf-name 'face face1
'help-echo help-echo
'type type)))
(and details
(list size mode
(propertize
(if proc
(format "(%s %s in `%s')"
(process-name proc)
(process-status proc) dir)
(format "(in `%s')" dir))
'face face2)))))
(defun helm-buffer--details (buffer &optional details)
(let* ((mode (with-current-buffer buffer (format-mode-line mode-name)))
(buf (get-buffer buffer))
(size (propertize (helm-buffer-size buf)
'face 'helm-buffer-size))
(proc (get-buffer-process buf))
(dir (with-current-buffer buffer (helm-aif default-directory (abbreviate-file-name it))))
(file-name (helm-aif (buffer-file-name buf) (abbreviate-file-name it)))
(name (buffer-name buf))
(name-prefix (when (and dir (file-remote-p dir))
(propertize "@ " 'face 'helm-ff-prefix))))
;; No fancy things on remote buffers.
(if (and name-prefix helm-buffer-skip-remote-checking)
(helm-buffer--show-details
name name-prefix file-name size mode dir
'helm-buffer-file 'helm-buffer-process nil details 'filebuf)
(cond
( ;; A dired buffer.
(rassoc buf dired-buffers)
(helm-buffer--show-details
name name-prefix dir size mode dir
'helm-buffer-directory 'helm-buffer-process nil details 'dired))
;; A buffer file modified somewhere outside of emacs.=>red
((and file-name
(file-exists-p file-name)
(not (verify-visited-file-modtime buf)))
(helm-buffer--show-details
name name-prefix file-name size mode dir
'helm-buffer-saved-out 'helm-buffer-process nil details 'modout))
;; A new buffer file not already saved on disk (or a deleted file) .=>indianred2
((and file-name (not (file-exists-p file-name)))
(helm-buffer--show-details
name name-prefix file-name size mode dir
'helm-buffer-not-saved 'helm-buffer-process nil details 'notsaved))
;; A buffer file modified and not saved on disk.=>orange
((and file-name (buffer-modified-p buf))
(helm-buffer--show-details
name name-prefix file-name size mode dir
'helm-ff-symlink 'helm-buffer-process nil details 'mod))
;; A buffer file not modified and saved on disk.=>green
(file-name
(helm-buffer--show-details
name name-prefix file-name size mode dir
'helm-buffer-file 'helm-buffer-process nil details 'filebuf))
;; Any non--file buffer.=>grey italic
(t
(helm-buffer--show-details
name (and proc name-prefix) dir size mode dir
'italic 'helm-buffer-process proc details 'nofile))))))
(defun helm-highlight-buffers (buffers _source)
"Transformer function to highlight BUFFERS list.
Should be called after others transformers i.e (boring buffers)."
(cl-loop for i in buffers
for (name size mode meta) = (if helm-buffer-details-flag
(helm-buffer--details i 'details)
(helm-buffer--details i))
for truncbuf = (if (> (string-width name) helm-buffer-max-length)
(helm-substring-by-width
name helm-buffer-max-length
helm-buffers-end-truncated-string)
(concat name
(make-string
(- (+ helm-buffer-max-length
(length helm-buffers-end-truncated-string))
(string-width name)) ? )))
for len = (length mode)
when (> len helm-buffer-max-len-mode)
do (setq helm-buffer-max-len-mode len)
for fmode = (concat (make-string
(- (max helm-buffer-max-len-mode len) len) ? )
mode)
;; The max length of a number should be 1023.9X where X is the
;; units, this is 7 characters.
for formatted-size = (and size (format "%7s" size))
collect (cons (if helm-buffer-details-flag
(concat truncbuf "\t" formatted-size
" " fmode " " meta)
name)
(get-buffer i))))
(defun helm-buffer--get-preselection (buffer)
(let ((bufname (buffer-name buffer)))
(concat "^"
(if (and (null helm-buffer-details-flag)
(numberp helm-buffer-max-length)
(> (string-width bufname)
helm-buffer-max-length))
(regexp-quote
(helm-substring-by-width
bufname helm-buffer-max-length
helm-buffers-end-truncated-string))
(concat (regexp-quote bufname)
(if helm-buffer-details-flag
"$" "[[:blank:]]+"))))))
(defun helm-toggle-buffers-details ()
(interactive)
(with-helm-alive-p
(let ((preselect (helm-buffer--get-preselection
(helm-get-selection))))
(setq helm-buffer-details-flag (not helm-buffer-details-flag))
(helm-update preselect))))
(put 'helm-toggle-buffers-details 'helm-only t)
(defun helm-buffers-sort-transformer (candidates _source)
(if (string= helm-pattern "")
candidates
(sort candidates
(lambda (s1 s2)
(< (string-width s1) (string-width s2))))))
(defun helm-buffers-mark-similar-buffers-1 ()
(with-helm-window
(let* ((src (helm-get-current-source))
(type (get-text-property
0 'type (helm-get-selection nil 'withprop src))))
(save-excursion
(goto-char (helm-get-previous-header-pos))
(helm-next-line)
(let* ((next-head (helm-get-next-header-pos))
(end (and next-head
(save-excursion
(goto-char next-head)
(forward-line -1)
(point))))
(maxpoint (or end (point-max))))
(while (< (point) maxpoint)
(helm-mark-current-line)
(let ((cand (helm-get-selection nil 'withprop src)))
(when (and (not (helm-this-visible-mark))
(eq (get-text-property 0 'type cand) type))
(helm-make-visible-mark)))
(forward-line 1) (end-of-line))))
(helm-mark-current-line)
(helm-display-mode-line src t)
(message "%s candidates marked" (length helm-marked-candidates)))))
(defun helm-buffers-mark-similar-buffers ()
"Mark All buffers that have same property `type' than current.
i.e same color."
(interactive)
(with-helm-alive-p
(let ((marked (helm-marked-candidates)))
(if (and (>= (length marked) 1)
(with-helm-window helm-visible-mark-overlays))
(helm-unmark-all)
(helm-buffers-mark-similar-buffers-1)))))
(put 'helm-buffers-mark-similar-buffers 'helm-only t)
;;; match functions
;;
(defun helm-buffer--match-mjm (pattern mjm)
(when (string-match "\\`\\*" pattern)
(cl-loop with patterns = (split-string (substring pattern 1) ",")
for pat in patterns
if (string-match "\\`!" pat)
collect (string-match (substring pat 1) mjm) into neg
else collect (string-match pat mjm) into pos
finally return
(let ((neg-test (cl-loop for i in neg thereis (numberp i)))
(pos-test (cl-loop for i in pos thereis (numberp i))))
(or
(and neg (not pos) (not neg-test))
(and pos pos-test)
(and neg neg-test (not neg-test)))))))
(defun helm-buffer--match-pattern (pattern candidate)
(let ((bfn (if (and helm-buffers-fuzzy-matching
(not helm-migemo-mode)
(not (string-match "\\`\\^" pattern)))
#'helm--mapconcat-pattern
#'identity))
(mfn (if helm-migemo-mode
#'helm-mm-migemo-string-match #'string-match)))
(if (string-match "\\`!" pattern)
(not (funcall mfn (funcall bfn (substring pattern 1))
candidate))
(funcall mfn (funcall bfn pattern) candidate))))
(defun helm-buffers--match-from-mjm (candidate)
(let* ((cand (replace-regexp-in-string "^\\s-\\{1\\}" "" candidate))
(buf (get-buffer cand))
(regexp (cl-loop with pattern = helm-pattern
for p in (split-string pattern)
when (string-match "\\`\\*" p)
return p)))
(if regexp
(when buf
(with-current-buffer buf
(let ((mjm (format-mode-line mode-name)))
(helm-buffer--match-mjm regexp mjm))))
t)))
(defun helm-buffers--match-from-pat (candidate)
(let ((regexp-list (cl-loop with pattern = helm-pattern
for p in (split-string pattern)
unless (string-match
"\\`\\(\\*\\|/\\|@\\)" p)
collect p)))
(if regexp-list
(cl-loop for re in regexp-list
always (helm-buffer--match-pattern re candidate))
t)))
(defun helm-buffers--match-from-inside (candidate)
(let* ((cand (replace-regexp-in-string "^\\s-\\{1\\}" "" candidate))
(buf (get-buffer cand))
(regexp (cl-loop with pattern = helm-pattern
for p in (split-string pattern)
when (string-match "\\`@\\(.*\\)" p)
return (match-string 1 p))))
(if (and buf regexp)
(with-current-buffer buf
(save-excursion
(goto-char (point-min))
(if helm-migemo-mode
(helm-mm-migemo-forward regexp nil t)
(re-search-forward regexp nil t))))
t)))
(defun helm-buffers--match-from-directory (candidate)
(let* ((cand (replace-regexp-in-string "^\\s-\\{1\\}" "" candidate))
(buf (get-buffer cand))
(buf-fname (buffer-file-name buf))
(regexps (cl-loop with pattern = helm-pattern
for p in (split-string pattern)
when (string-match "\\`/" p)
collect p)))
(if regexps
(cl-loop for re in regexps
thereis
(and buf-fname
(string-match
(substring re 1) (helm-basedir buf-fname))))
t)))
(defun helm-buffers-match-function (candidate)
"Default function to match buffers."
(and (helm-buffers--match-from-pat candidate)
(helm-buffers--match-from-mjm candidate)
(helm-buffers--match-from-inside candidate)
(helm-buffers--match-from-directory candidate)))
(defun helm-buffer-query-replace-1 (&optional regexp-flag buffers)
"Query replace in marked buffers.
If REGEXP-FLAG is given use `query-replace-regexp'."
(let ((prompt (if regexp-flag "Query replace regexp" "Query replace"))
(bufs (or buffers (helm-marked-candidates)))
(helm--reading-passwd-or-string t))
(cl-loop with args = (query-replace-read-args prompt regexp-flag t)
for buf in bufs
do
(save-window-excursion
(switch-to-buffer buf)
(save-excursion
(let ((case-fold-search t))
(goto-char (point-min))
(apply #'perform-replace
(list (nth 0 args) (nth 1 args)
t regexp-flag (nth 2 args) nil
multi-query-replace-map))))))))
(defun helm-buffer-query-replace-regexp (_candidate)
(helm-buffer-query-replace-1 'regexp))
(defun helm-buffer-query-replace (_candidate)
(helm-buffer-query-replace-1))
(defun helm-buffer-toggle-diff (candidate)
"Toggle diff buffer CANDIDATE with it's file."
(helm-aif (get-buffer-window "*Diff*")
(progn (kill-buffer "*Diff*")
(set-window-buffer it helm-current-buffer))
(diff-buffer-with-file (get-buffer candidate))))
(defun helm-buffer-diff-persistent ()
"Toggle diff buffer without quitting helm."
(interactive)
(with-helm-alive-p
(helm-attrset 'diff-action 'helm-buffer-toggle-diff)
(helm-execute-persistent-action 'diff-action)))
(put 'helm-buffer-diff-persistent 'helm-only t)
(defun helm-revert-buffer (candidate)
(with-current-buffer candidate
(helm-aif (buffer-file-name)
(and (file-exists-p it) (revert-buffer t t)))))
(defun helm-revert-marked-buffers (_ignore)
(mapc 'helm-revert-buffer (helm-marked-candidates)))
(defun helm-buffer-revert-and-update (_candidate)
(let ((marked (helm-marked-candidates))
(preselect (helm-buffers--quote-truncated-buffer
(helm-get-selection))))
(cl-loop for buf in marked do (helm-revert-buffer buf))
(when (> (length marked) 1) (helm-unmark-all))
(helm-force-update preselect)))
(defun helm-buffer-revert-persistent ()
"Revert buffer without quitting helm."
(interactive)
(with-helm-alive-p
(helm-attrset 'revert-action '(helm-buffer-revert-and-update . never-split))
(helm-execute-persistent-action 'revert-action)))
(put 'helm-buffer-revert-persistent 'helm-only t)
(defun helm-buffer-save-and-update (_candidate)
(let ((marked (helm-marked-candidates))
(preselect (helm-get-selection nil t))
(enable-recursive-minibuffers t))
(cl-loop for buf in marked do
(with-current-buffer (get-buffer buf)
(when (buffer-file-name) (save-buffer))))
(when (> (length marked) 1) (helm-unmark-all))
(helm-force-update (regexp-quote preselect))))
(defun helm-buffer-save-persistent ()
"Save buffer without quitting helm."
(interactive)
(with-helm-alive-p
(helm-attrset 'save-action '(helm-buffer-save-and-update . never-split))
(helm-execute-persistent-action 'save-action)))
(put 'helm-buffer-save-persistent 'helm-only t)
(defun helm-buffer-run-kill-persistent ()
"Kill buffer without quitting helm."
(interactive)
(with-helm-alive-p
(helm-attrset 'kill-action '(helm-buffers-persistent-kill . never-split))
(helm-execute-persistent-action 'kill-action)))
(put 'helm-buffer-run-kill-persistent 'helm-only t)
(defun helm-kill-marked-buffers (_ignore)
(let* ((bufs (helm-marked-candidates))
(killed-bufs (cl-count-if 'kill-buffer bufs)))
(when (buffer-live-p helm-buffer)
(with-helm-buffer
(setq helm-marked-candidates nil
helm-visible-mark-overlays nil)))
(message "Killed %s buffer(s)" killed-bufs)))
(defun helm-buffer-run-kill-buffers ()
"Run kill buffer action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-kill-marked-buffers)))
(put 'helm-buffer-run-kill-buffers 'helm-only t)
(defun helm-buffer-run-grep ()
"Run Grep action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-grep-buffers)))
(put 'helm-buffer-run-grep 'helm-only t)
(defun helm-buffer-run-zgrep ()
"Run Grep action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-zgrep-buffers)))
(put 'helm-buffer-run-zgrep 'helm-only t)
(defun helm-buffer-run-query-replace-regexp ()
"Run Query replace regexp action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-buffer-query-replace-regexp)))
(put 'helm-buffer-run-query-replace-regexp 'helm-only t)
(defun helm-buffer-run-query-replace ()
"Run Query replace action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-buffer-query-replace)))
(put 'helm-buffer-run-query-replace 'helm-only t)
(defun helm-buffer-switch-other-window ()
"Run switch to other window action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-switch-to-buffers-other-window)))
(put 'helm-buffer-switch-other-window 'helm-only t)
(defun helm-buffer-switch-other-frame ()
"Run switch to other frame action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'switch-to-buffer-other-frame)))
(put 'helm-buffer-switch-other-frame 'helm-only t)
(defun helm-buffer-switch-to-elscreen ()
"Run switch to elscreen action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-find-buffer-on-elscreen)))
(put 'helm-buffer-switch-to-elscreen 'helm-only t)
(defun helm-buffer-run-ediff ()
"Run ediff action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-ediff-marked-buffers)))
(put 'helm-buffer-run-ediff 'helm-only t)
(defun helm-buffer-run-ediff-merge ()
"Run ediff action from `helm-source-buffers-list'."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-ediff-marked-buffers-merge)))
(put 'helm-buffer-run-ediff-merge 'helm-only t)
(defun helm-buffers-persistent-kill-1 (buffer-or-name)
"Persistent action to kill buffer."
(let ((buf (get-buffer buffer-or-name)) helm-buf-or-cur)
(if (or (and (eql buf (get-buffer helm-current-buffer))
(setq helm-buf-or-cur "helm-current-buffer"))
(and (eql buf (get-buffer helm-buffer))
(setq helm-buf-or-cur "helm-buffer")))
(progn
(message "Can't kill `%s' without quitting session" helm-buf-or-cur)
(sit-for 1))
(with-current-buffer buf
(kill-buffer buffer-or-name))
(helm-delete-current-selection)
(with-helm-temp-hook 'helm-after-persistent-action-hook
(helm-force-update (regexp-quote (helm-get-selection nil t)))))))
(defun helm-buffers--quote-truncated-buffer (buffer)
(let ((bufname (and (bufferp buffer)
(buffer-name buffer))))
(when bufname
(regexp-quote
(if helm-buffer-max-length
(helm-substring-by-width
bufname helm-buffer-max-length
"")
bufname)))))
(defun helm-buffers-persistent-kill (_buffer)
(let ((marked (helm-marked-candidates)))
(unwind-protect
(cl-loop for b in marked
do (progn (helm-preselect
(format "^%s"
(helm-buffers--quote-truncated-buffer b)))
(save-selected-window
(when (y-or-n-p (format "kill buffer (%s)? " b))
(helm-buffers-persistent-kill-1 b)))
(message nil)
(helm--remove-marked-and-update-mode-line b)))
(with-helm-buffer
(setq helm-marked-candidates nil
helm-visible-mark-overlays nil))
(helm-force-update (helm-buffers--quote-truncated-buffer
(helm-get-selection))))))
(defun helm-buffers-list-persistent-action (candidate)
(let ((current (window-buffer helm-persistent-action-display-window)))
(if (or (helm-follow-mode-p)
(eql current (get-buffer helm-current-buffer))
(not (eql current (get-buffer candidate))))
(switch-to-buffer candidate)
(switch-to-buffer helm-current-buffer))))
(defun helm-ediff-marked-buffers (_candidate &optional merge)
"Ediff 2 marked buffers or CANDIDATE and `helm-current-buffer'.
With optional arg MERGE call `ediff-merge-buffers'."
(let ((lg-lst (length (helm-marked-candidates)))
buf1 buf2)
(cl-case lg-lst
(0
(error "Error:You have to mark at least 1 buffer"))
(1
(setq buf1 helm-current-buffer
buf2 (cl-first (helm-marked-candidates))))
(2
(setq buf1 (cl-first (helm-marked-candidates))
buf2 (cl-second (helm-marked-candidates))))
(t
(error "Error:To much buffers marked!")))
(if merge
(ediff-merge-buffers buf1 buf2)
(ediff-buffers buf1 buf2))))
(defun helm-ediff-marked-buffers-merge (candidate)
"Ediff merge `helm-current-buffer' with CANDIDATE.
See `helm-ediff-marked-buffers'."
(helm-ediff-marked-buffers candidate t))
(defun helm-multi-occur-as-action (_candidate)
"Multi occur action for `helm-source-buffers-list'.
Can be used by any source that list buffers."
(let ((helm-moccur-always-search-in-current
(if helm-current-prefix-arg
(not helm-moccur-always-search-in-current)
helm-moccur-always-search-in-current))
(buffers (helm-marked-candidates))
(input (cl-loop for i in (split-string helm-pattern " " t)
thereis (and (string-match "\\`@\\(.*\\)" i)
(match-string 1 i)))))
(helm-multi-occur-1 buffers input)))
(defun helm-buffers-run-multi-occur ()
"Run `helm-multi-occur-as-action' by key."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action 'helm-multi-occur-as-action)))
(put 'helm-buffers-run-multi-occur 'helm-only t)
(defun helm-buffers-toggle-show-hidden-buffers ()
(interactive)
(with-helm-alive-p
(let ((filter-attrs (helm-attr 'filtered-candidate-transformer
helm-source-buffers-list)))
(if (memq 'helm-shadow-boring-buffers filter-attrs)
(helm-attrset 'filtered-candidate-transformer
(cons 'helm-skip-boring-buffers
(remove 'helm-shadow-boring-buffers
filter-attrs))
helm-source-buffers-list)
(helm-attrset 'filtered-candidate-transformer
(cons 'helm-shadow-boring-buffers
(remove 'helm-skip-boring-buffers
filter-attrs))
helm-source-buffers-list))
(helm-force-update))))
(put 'helm-buffers-toggle-show-hidden-buffers 'helm-only t)
(defun helm-buffers-browse-project (buf)
"Browse project from buffer."
(with-current-buffer buf
(helm-browse-project helm-current-prefix-arg)))
(defun helm-buffers-run-browse-project ()
"Run `helm-buffers-browse-project' from key."
(interactive)
(with-helm-alive-p
(if helm-buffers-in-project-p
(user-error "You are already browsing this project")
(helm-exit-and-execute-action 'helm-buffers-browse-project))))
;;; Candidate Transformers
;;
;;
(defun helm-skip-boring-buffers (buffers _source)
(helm-skip-entries buffers
helm-boring-buffer-regexp-list
helm-white-buffer-regexp-list))
(defun helm-shadow-boring-buffers (buffers _source)
"Buffers matching `helm-boring-buffer-regexp' will be
displayed with the `file-name-shadow' face if available."
(helm-shadow-entries buffers helm-boring-buffer-regexp-list))
;;;###autoload
(defun helm-buffers-list ()
"Preconfigured `helm' to list buffers."
(interactive)
(unless helm-source-buffers-list
(setq helm-source-buffers-list
(helm-make-source "Buffers" 'helm-source-buffers)))
(helm :sources '(helm-source-buffers-list
helm-source-ido-virtual-buffers
helm-source-buffer-not-found)
:buffer "*helm buffers*"
:keymap helm-buffer-map
:truncate-lines helm-buffers-truncate-lines))
;;;###autoload
(defun helm-mini ()
"Preconfigured `helm' lightweight version \(buffer -> recentf\)."
(interactive)
(require 'helm-files)
(unless helm-source-buffers-list
(setq helm-source-buffers-list
(helm-make-source "Buffers" 'helm-source-buffers)))
(helm :sources helm-mini-default-sources
:buffer "*helm mini*"
:ff-transformer-show-only-basename nil
:truncate-lines helm-buffers-truncate-lines))
(defun helm-quit-and-helm-mini ()
"Drop into `helm-mini' from `helm'."
(interactive)
(with-helm-alive-p
(helm-run-after-exit 'helm-mini)))
(provide 'helm-buffers)
;; Local Variables:
;; byte-compile-warnings: (not cl-functions obsolete)
;; coding: utf-8
;; indent-tabs-mode: nil
;; End:
;;; helm-buffers.el ends here