-
-
Notifications
You must be signed in to change notification settings - Fork 393
/
Copy pathhelm-buffers.el
1247 lines (1103 loc) · 51.2 KB
/
helm-buffers.el
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
;;; helm-buffers.el --- helm support for buffers. -*- lexical-binding: t -*-
;; Copyright (C) 2012 ~ 2025 Thierry Volpiatto
;; 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-grep)
(require 'helm-regexp)
(require 'helm-help)
(require 'helm-occur)
(require 'helm-x-icons)
(declare-function helm-comp-read "helm-mode")
(declare-function helm-browse-project "helm-files")
(declare-function helm-ff-switch-to-shell "helm-files")
(defvar dired-buffers)
(defvar org-directory)
(defvar helm-ff-default-directory)
(defvar major-mode-remap-alist)
(defgroup helm-buffers nil
"Buffers related Applications and libraries for Helm."
:group 'helm)
(defcustom helm-boring-buffer-regexp-list
'("\\` " "\\`\\*helm" "\\`\\*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)))
(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)))
(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)))
(defcustom helm-buffer-max-length 20
"Max length of buffer names before truncate.
When disabled (nil) use the longest `buffer-name' length found."
: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."
: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."
:type 'boolean)
(defcustom helm-buffer-skip-remote-checking nil
"Ignore checking for `file-exists-p' on remote files."
:type 'boolean)
(defcustom helm-buffers-truncate-lines t
"Truncate lines in `helm-buffers-list' when non-nil."
:type 'boolean)
(defcustom helm-buffers-left-margin-width helm-left-margin-width
"`left-margin-width' value for `helm-mini' and `helm-buffers-list'."
:type 'integer)
(defcustom helm-mini-default-sources '(helm-source-buffers-list
helm-source-recentf
helm-source-buffer-not-found)
"Default sources list used in `helm-mini'.
When adding a source here it is up to you to ensure the library
of this source is accessible and properly loaded."
:type '(repeat (choice symbol)))
(defcustom helm-buffers-end-truncated-string
;; `truncate-string-ellipsis', the function is not available in 27.1
;; See issue#2673.
(if (char-displayable-p ?…) "…" "...")
"The string to display at end of truncated buffer names."
:type 'string)
(defcustom helm-buffers-column-separator " "
"Separator for columns in buffer listing."
:type 'string)
(defcustom helm-buffer--pretty-names '((dired-mode . "Dired")
(lisp-interaction-mode . "Lisp Inter"))
"An alist specifying pretty names for modes.
Most of the time buffer's `mode-name' is a string so no need to
add it here as there is no need to compute it, but sometimes it
may be a mode-line specification which may be costly to compute,
in this case add here the pretty name as a string to avoid this
costly computation. Also if some pretty names are too long you
can add your own abbreviation here."
:type '(alist :key-type symbol :value-type string))
(defcustom helm-buffers-maybe-switch-to-tab nil
"Switch to buffer in its tab when non nil.
Setting this change `tab-bar-tab-name-function' to `tab-bar-tab-name-all'.
Do not use `setq' to set this variable.
This variable takes effect only when `tab-bar-mode' is available (emacs-27.1+)."
:type 'boolean
:set (lambda (var val)
;; We should be able to retrieve all buffers assigned to a tab whatever
;; the value used for `tab-bar-tab-name-function', unfortunately this
;; is not the case, it seems the alist contains the buffer names only
;; when `tab-bar-tab-name-all' is used and set globally. Then when the
;; mode-line/header-line is rebuilded some code (probably C code in
;; `force-mode-line-update' or elsewhare) changes the alist so just
;; let-binding `tab-bar-tab-name-function' is not enough. This is
;; reproductible when we have more than one window visible and we turn
;; on `tab-bar-mode', the alist is showing only the first buffer of
;; window-list omitting the others, however when starting with only one
;; window, calling `tab-bar-mode' and splitting window afterward the
;; alist is updated. Looks it is a bug or a limitation of
;; `tab-bar-mode'.
(set var val)
(if val
(customize-set-variable
'tab-bar-tab-name-function
#'tab-bar-tab-name-all)
(let* ((sym 'tab-bar-tab-name-function)
(standard-value (eval (car (get sym 'standard-value)) t)))
(unless (equal standard-value (symbol-value sym))
(set sym standard-value))))))
(defcustom helm-buffer-list-reorder-fn #'helm-buffers-reorder-buffer-list
"A function in charge of ordering the initial buffer list.
It takes two arguments VISIBLES buffers and OTHERS buffers.
Arg VISIBLES handles the buffers visibles in this frame.
Arg OTHERS handles all the other buffers.
You can write a function that reorder VISIBLES and OTHERS as you
want.
Default function returns OTHERS buffers on top and VISIBLES
buffer at the end. See `helm-buffers-reorder-buffer-list'."
:type 'function)
(defcustom helm-buffers-sort-fn helm-fuzzy-sort-fn
"The sort function to use in `helm-buffers-list'.
Default to `helm-fuzzy-sort-fn' you can use
`helm-fuzzy-matching-sort-fn-preserve-ties-order' as alternative if
you want to keep the recentest order when narrowing candidates."
:type 'function)
(defcustom helm-buffers-show-icons nil
"Prefix buffer names with an icon when non nil.
Don't use `setq' to set this."
:type 'boolean
:set (lambda (var val)
(if (require helm-x-icons-provider nil t)
(set var val)
(set var nil))))
;;; 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 ,@(and (>= emacs-major-version 27) '(:extend t))
:foreground "red" :background "black"))
"Face used for buffer files modified outside of emacs."
:group 'helm-buffers-faces)
(defface helm-buffer-not-saved
`((t ,@(and (>= emacs-major-version 27) '(:extend t))
:foreground "Indianred2"))
"Face used for buffer files not already saved on disk."
:group 'helm-buffers-faces)
(defface helm-buffer-modified
`((t ,@(and (>= emacs-major-version 27) '(:extend t))
:inherit font-lock-comment-face))
"Face used for modified buffers."
:group 'helm-buffers-faces)
(defface helm-no-file-buffer-modified
`((t ,@(and (>= emacs-major-version 27) '(:extend t))
:foreground "orange" :background "black"))
"Face used for modified buffers."
:group 'helm-buffers-faces)
(defface helm-indirect-buffer
`((t :foreground "DimGray" :background "black"))
"Face used for indirect buffers."
:group 'helm-buffers-faces)
(defface helm-buffer-size
`((((background dark))
,@(and (>= emacs-major-version 27) '(:extend t))
:foreground "RosyBrown")
(((background light))
,@(and (>= emacs-major-version 27) '(:extend t))
:foreground "SlateGray"))
"Face used for buffer size."
:group 'helm-buffers-faces)
(defface helm-buffer-process
`((t ,@(and (>= emacs-major-version 27) '(:extend t))
:foreground "Sienna3"))
"Face used for process status in buffer."
:group 'helm-buffers-faces)
(defface helm-buffer-directory
`((t ,@(and (>= emacs-major-version 27) '(:extend t))
:foreground "DarkRed" :background "LightGray"))
"Face used for directories in `helm-buffers-list'."
:group 'helm-buffers-faces)
(defface helm-buffer-file
`((t ,@(and (>= emacs-major-version 27) '(:extend t))
:inherit font-lock-builtin-face))
"Face for buffer file names in `helm-buffers-list'."
:group 'helm-buffers-faces)
(defface helm-buffer-archive
`((t ,@(and (>= emacs-major-version 27) '(:extend t))
:foreground "Gold"))
"Face for archive file names in `helm-buffers-list'."
:group 'helm-buffers-faces)
(defface helm-non-file-buffer
`((t ,@(and (>= emacs-major-version 27) '(:extend t))
:inherit italic))
"Face used for non-file buffers in `helm-buffers-list'."
:group 'helm-buffers-faces)
(defvar helm-buffers-tick-counter nil
"Allows recording local changes to a non-file buffer.
Typical usage of this var is for modes that want to see if their
buffers have changed since last visit.
Such programs may want to record tick counter after visiting
their buffers like this:
(setq helm-buffers-tick-counter (buffer-modified-tick))
See bug#1917.
Note that this variable is buffer-local.")
(make-variable-buffer-local 'helm-buffers-tick-counter)
;;; 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-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 "M-g M-g") #'helm-buffer-run-goto-line)
(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-G") #'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-x s") #'helm-buffer-run-save-some-buffers)
(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-R") #'helm-buffer-run-rename-buffer)
(define-key map (kbd "M-e") #'helm-buffer-run-switch-to-shell)
(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)
(when (fboundp 'tab-bar-mode)
(define-key map (kbd "C-c C-t") #'helm-buffers-switch-to-buffer-new-tab))
map)
"Keymap for buffer sources in helm.")
(defvar helm-buffer-max-len-mode nil)
(defvar helm-buffers-in-project-p nil)
(defvar helm-source-buffers-list nil)
(defun helm-buffers-list--init ()
(require 'dired)
;; Bug#51 Create the list before `helm-buffer' creation.
;; We were using a global cache in the past and 'candidates was
;; bound to this cache, this was a problem when using more than one
;; source with a different 'buffer-list fn as the same cache was
;; reused in each source (Bug#1907), now 'candidates attr is set
;; directly so that each list of candidates is local to source.
(helm-set-attr 'candidates (funcall (helm-get-attr 'buffer-list)))
(let ((result (cl-loop with allbufs = (memq 'helm-shadow-boring-buffers
(helm-get-attr
'filtered-candidate-transformer
helm-source-buffers-list))
for b in (if allbufs
(helm-get-attr 'candidates)
(helm-skip-boring-buffers
(helm-get-attr 'candidates)
helm-source-buffers-list))
maximize (length b) into len-buf
maximize (length (helm-buffer--format-mode-name b))
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)
(multimatch :initform nil)
(match :initform 'helm-buffers-match-function)
(persistent-action :initform 'helm-buffers-list-persistent-action)
(keymap :initform 'helm-buffer-map)
(find-file-target :initform #'helm-buffers-quit-and-find-file-fn)
(migemo :initform 'nomultimatch)
(volatile :initform t)
(nohighlight :initform t)
(resume :initform (lambda () (setq helm-buffers-in-project-p nil)))
(help-message :initform 'helm-buffer-help-message)))
(cl-defun helm-buffers-create-new-buffer-1 (candidate &optional (display-func 'switch-to-buffer))
(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)))
(helm-aif (and (boundp 'major-mode-remap-alist)
(cdr (assq mjm major-mode-remap-alist)))
(setq mjm it))
(if mjm
(with-current-buffer buffer (funcall mjm))
(set-buffer-major-mode buffer))
(funcall display-func buffer)))
(defun helm-buffers-create-new-buffer (candidate)
(helm-buffers-create-new-buffer-1 candidate))
(defun helm-buffers-create-new-buffer-ow (candidate)
(helm-buffers-create-new-buffer-1 candidate 'switch-to-buffer-other-window))
(helm-make-command-from-action helm-buffers-not-found-run-switch-ow
"Run create new buffer other window action from keymap."
'helm-buffers-create-new-buffer-ow)
(defun helm-buffers-create-new-buffer-of (candidate)
(helm-buffers-create-new-buffer-1 candidate 'switch-to-buffer-other-frame))
(helm-make-command-from-action helm-buffers-not-found-run-switch-of
"Run create new buffer other frame action from keymap."
'helm-buffers-create-new-buffer-of)
(defvar helm-buffer-not-found-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map helm-map)
(define-key map (kbd "C-c o") #'helm-buffers-not-found-run-switch-ow)
(define-key map (kbd "C-c C-o") #'helm-buffers-not-found-run-switch-of)
map)
"Keymap for `helm-source-buffer-not-found' source.")
(defvar helm-source-buffer-not-found
(helm-build-dummy-source
"Create buffer"
:action (helm-make-actions
"Create buffer (C-u choose mode)"
#'helm-buffers-create-new-buffer
"Create buffer other window (C-u choose mode)"
#'helm-buffers-create-new-buffer-ow
"Create buffer other frame (C-u choose mode)"
#'helm-buffers-create-new-buffer-of)
:keymap helm-buffer-not-found-map))
(defun helm-buffers-get-visible-buffers ()
"Returns buffers visible on visible frames."
(let (result)
(walk-windows
(lambda (x)
(push (buffer-name (window-buffer x)) result))
nil 'visible)
result))
(defun helm-buffer-list-1 (&optional visibles)
"Return list of all buffers except VISIBLES buffers."
(cl-loop for b in (buffer-list)
for bn = (buffer-name b)
unless (member bn visibles)
collect bn))
(defun helm-buffers-reorder-buffer-list (visibles others)
"Default function to reorder buffer-list.
Arg VISIBLES handles the buffers visibles in this frame.
Arg OTHERS handles all the other buffers.
This function returns OTHERS buffers on top and VISIBLES buffer
at the end."
(nconc others visibles))
(defun helm-buffer-list ()
"Return the current list of buffers.
The list is reordered with `helm-buffer-list-reorder-fn'."
(let* ((visibles (helm-buffers-get-visible-buffers))
(others (helm-buffer-list-1 visibles)))
(funcall helm-buffer-list-reorder-fn visibles others)))
(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
(let* ((buf-fname (buffer-file-name (get-buffer buf-name)))
(ext (if buf-fname (helm-file-name-extension buf-fname) ""))
(bmode (with-current-buffer buf-name major-mode))
(icon-alist (helm-x-icons-resolve-alist 'mode))
(icon (when helm-buffers-show-icons
(helm-aif (and (not (eq type 'indirect))
(assq bmode icon-alist))
(and helm-x-icons-provider
(apply (cadr it) (cddr it)))
(cond ((eq type 'dired)
(helm-x-icons-generic "file-directory"))
((eq type 'indirect)
(helm-x-icons-generic "clone"))
(buf-fname
(helm-x-icons-icon-for-file buf-name))
(t (helm-x-icons-generic "star" :v-adjust 0.0))))))
(buf-name (propertize buf-name 'face face1
'help-echo help-echo
'type type)))
(when (condition-case _err
(string-match (format "\\.\\(%s\\)" ext) buf-name)
(invalid-regexp nil))
(add-face-text-property
(match-beginning 1) (match-end 1)
'helm-ff-file-extension nil buf-name))
(if icon
(concat icon " " prefix buf-name)
(concat prefix buf-name))))
(and details
(list size mode
(propertize
(if proc
(format "(%s %s in `%s')"
(process-name proc)
(process-status proc) dir)
(format "`%s'" dir))
'face face2)))))
(defun helm-buffer--format-mode-name (buf)
"Prevent using `format-mode-line' as much as possible."
(with-current-buffer buf
(helm-acond ((assq major-mode helm-buffer--pretty-names)
(cdr it))
((stringp mode-name) mode-name)
(t (format-mode-line mode-name nil nil (get-buffer buf))))))
(defun helm-buffer--details (buffer &optional details)
(require 'dired)
(let* ((mode (helm-buffer--format-mode-name buffer))
(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)))
(archive-p (and (fboundp 'tramp-archive-file-name-p)
(tramp-archive-file-name-p dir))))
(when name-prefix
;; Remote tramp buffer names may be hexified, make them more readable.
(setq dir (helm-url-unhex-string dir)
name (helm-url-unhex-string name)))
;; Handle tramp archive buffers specially.
(if archive-p
(helm-buffer--show-details
name name-prefix file-name size mode dir
'helm-buffer-archive 'helm-buffer-process nil details 'filebuf)
;; 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)
(helm-acond
(;; 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-buffer-modified '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))
;; Indirect buffer.=>DimGray
((buffer-base-buffer buf)
(let ((face (if (or (buffer-modified-p it)
(with-current-buffer it
(and helm-buffers-tick-counter
(/= helm-buffers-tick-counter
(buffer-modified-tick)))))
'helm-buffer-modified
'helm-indirect-buffer)))
(helm-buffer--show-details
name name-prefix dir size mode dir
face 'helm-buffer-process nil details 'indirect)))
;; A non-file, modified buffer See bug#1917
((with-current-buffer name
(and helm-buffers-tick-counter
(/= helm-buffers-tick-counter (buffer-modified-tick))))
(helm-buffer--show-details
name (and proc name-prefix) dir size mode dir
'helm-no-file-buffer-modified 'helm-buffer-process proc details 'nofile-mod))
;; Any non--file buffer.=>italic
(t
(helm-buffer--show-details
name (and proc name-prefix) dir size mode dir
'helm-non-file-buffer '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-assert helm-fuzzy-matching-highlight-fn nil "Wrong type argument functionp: nil")
(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 (let ((helm-pattern (helm-buffers--pattern-sans-filters
(and helm-buffers-fuzzy-matching ""))))
(cons (if helm-buffer-details-flag
(concat
(funcall helm-fuzzy-matching-highlight-fn
truncbuf)
helm-buffers-column-separator
formatted-size
helm-buffers-column-separator
fmode
helm-buffers-column-separator
meta)
(funcall helm-fuzzy-matching-highlight-fn name))
(get-buffer i)))))
(defun helm-buffer--get-preselection (buffer)
(let* ((bufname (buffer-name buffer))
(dispbuf (car (helm-buffer--details buffer)))
(len-dispbuf (string-width dispbuf))
(len-prefix (- len-dispbuf (string-width bufname))))
(when (and bufname
(file-remote-p (with-current-buffer bufname
default-directory)))
(setq bufname (concat "@ " (helm-url-unhex-string bufname))))
(concat "^[[:multibyte:] ]*"
(if (and (null helm-buffer-details-flag)
(numberp helm-buffer-max-length)
(> len-dispbuf helm-buffer-max-length))
(regexp-quote
(helm-substring-by-width
bufname
(- helm-buffer-max-length len-prefix)
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* ((buf (helm-get-selection))
(preselect (helm-buffer--get-preselection buf)))
(setq helm-buffer-details-flag (not helm-buffer-details-flag))
(helm-force-update (lambda ()
(helm-awhile (re-search-forward preselect nil t)
(helm-mark-current-line)
(when (equal buf (helm-get-selection))
(cl-return t))))))))
(put 'helm-toggle-buffers-details 'helm-only t)
(defun helm-buffers--pattern-sans-filters (&optional separator)
(cl-loop for p in (helm-mm-split-pattern helm-pattern)
unless (member (substring p 0 1) '("*" "/" "@" "!"))
collect p into lst
finally return (mapconcat #'identity lst (or separator " "))))
(defun helm-buffers-sort-transformer (candidates source)
(cl-assert helm-buffers-sort-fn nil "Wrong type argument functionp: nil")
(if (string= helm-pattern "")
candidates
(let ((helm-pattern (helm-buffers--pattern-sans-filters)))
(funcall helm-buffers-sort-fn candidates source))))
(defun helm-buffers-mark-similar-buffers-1 (&optional type)
(with-helm-window
(let* ((src (helm-get-current-source))
(sel (helm-get-selection nil 'withprop src))
(type (or type (get-text-property
(min 2 (length sel)) 'type sel))))
(helm-map-candidates-in-source src
(lambda (_cand) (helm-make-visible-mark))
(lambda (cand)
(and (not (helm-this-visible-mark))
(eq (get-text-property 2 'type cand) type))))
(helm-mark-current-line)
(helm-display-mode-line src t)
(when helm-marked-candidates
(message "%s candidates marked" (length helm-marked-candidates))
(set-window-margins (selected-window) 1)))))
(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)))))))
(defvar helm-buffer--memo-hash (make-hash-table :test 'equal))
(defun helm-buffer--memo-pattern (pattern)
(or (gethash pattern helm-buffer--memo-hash)
(puthash pattern (helm--mapconcat-pattern pattern)
helm-buffer--memo-hash)))
(defun helm-buffer--match-pattern (pattern candidate &optional nofuzzy)
(let ((bfn (if (and helm-buffers-fuzzy-matching
(not nofuzzy)
(not helm-migemo-mode)
(not (string-match "\\`\\^" pattern)))
#'helm-buffer--memo-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 (helm-mm-split-pattern pattern)
when (string-match "\\`\\*" p)
return p)))
(if regexp
(when buf
(with-current-buffer buf
(let ((mjm (symbol-name major-mode)))
(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 (helm-mm-split-pattern pattern)
unless (string-match
"\\`\\(\\*\\|/\\|@\\)" p)
collect p))
(nofuzzy (cdr regexp-list)))
(if regexp-list
(cl-loop for re in regexp-list
always (helm-buffer--match-pattern re candidate nofuzzy))
t)))
(defun helm-buffers--match-from-inside (candidate)
(let* ((cand (replace-regexp-in-string "^\\s-\\{1\\}" "" candidate))
(buf (get-buffer cand))
(pattern (cl-loop with pat = helm-pattern
for p in (helm-mm-split-pattern pat)
when (string-match "\\`@\\(.*\\)" p)
collect (match-string 1 p) into lst
finally return (mapconcat #'identity lst " ")))
(patterns (helm-mm-3-get-patterns pattern)))
(if (and buf patterns)
(with-current-buffer buf
(save-excursion
(goto-char (point-min))
(cl-loop for (pred . regexp) in patterns
always
(save-excursion
(funcall
pred
(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 (or (buffer-file-name buf)
(car-safe (rassoc buf dired-buffers))))
(regexps (cl-loop with pattern = helm-pattern
for p in (helm-mm-split-pattern 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*" 'visible)
(progn (kill-buffer "*Diff*")
(set-window-buffer it helm-current-buffer))
(let ((buf (get-buffer candidate)))
(if (buffer-file-name buf)
(diff-buffer-with-file buf)
(user-error "Buffer `%s' is not associated to a file"
(buffer-name buf))))))
(helm-make-persistent-command-from-action helm-buffer-diff-persistent
"Toggle diff buffer without quitting helm."
'diff-action 'helm-buffer-toggle-diff)
(defun helm-revert-buffer (candidate)
(with-current-buffer candidate
(helm-aif (or (buffer-file-name)
(buffer-file-name (buffer-base-buffer)))
(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)
(with-helm-buffer
(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 helm-marked-candidates (helm-unmark-all))
(helm-force-update preselect))))
(helm-make-persistent-command-from-action helm-buffer-revert-persistent
"Revert buffer without quitting helm."
'revert-action 'helm-buffer-revert-and-update)
(defun helm-buffer-save-and-update (_candidate)
(with-helm-buffer
(let ((marked (helm-marked-candidates))
(preselect (helm-get-selection nil t))
(enable-recursive-minibuffers t))
(cl-assert marked nil "No buffers need to be saved")
(cl-loop for buf in marked do
(with-current-buffer (get-buffer buf)
(when (or (buffer-file-name)
(buffer-file-name (buffer-base-buffer)))
(save-buffer))))
(when helm-marked-candidates (helm-unmark-all))
(helm-force-update (regexp-quote preselect)))))
(defun helm-buffer-save-some-buffers (_candidate)
(helm-buffers-mark-similar-buffers-1 'mod)
(helm-buffer-save-and-update nil))
(helm-make-persistent-command-from-action helm-buffer-run-save-some-buffers
"Save unsaved file buffers without quitting Helm."
'save-some-action 'helm-buffer-save-some-buffers)
(helm-make-persistent-command-from-action helm-buffer-save-persistent
"Save buffer without quitting Helm."
'save-action 'helm-buffer-save-and-update)
(defun helm-buffers-rename-buffer (candidate)
(with-current-buffer candidate
(rename-buffer (helm-read-string "New name: " (buffer-name)) t)))
(helm-make-command-from-action helm-buffer-run-rename-buffer
"Run rename buffer action from `helm-source-buffers-list'."
'helm-buffers-rename-buffer)
(defun helm-switch-to-buffer-at-linum (candidate)
(let ((linum (read-number
"Line number: "
(with-current-buffer candidate
(line-number-at-pos)))))
(switch-to-buffer candidate)
(goto-char (point-min))
(forward-line (1- linum))))
(helm-make-command-from-action helm-buffer-run-goto-line
"Switch to buffer at line number."
'helm-switch-to-buffer-at-linum)
(helm-make-persistent-command-from-action helm-buffer-run-kill-persistent
"Kill buffer without quitting Helm."
'kill-action 'helm-buffers-persistent-kill)
(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)))
(helm-make-command-from-action helm-buffer-run-kill-buffers
"Run kill buffer action from `helm-source-buffers-list'."
'helm-kill-marked-buffers)
(defun helm-buffer-switch-to-shell (candidate)
(require 'helm-files)
(let ((helm-ff-default-directory
(with-current-buffer candidate
default-directory)))
(helm-ff-switch-to-shell nil)))
(helm-make-command-from-action helm-buffer-run-switch-to-shell
"Run switch to shell action from helm-buffers-list."
'helm-buffer-switch-to-shell)
(helm-make-command-from-action helm-buffer-run-grep
"Run Grep action from `helm-source-buffers-list'."
'helm-grep-buffers)
(helm-make-command-from-action helm-buffer-run-zgrep
"Run Zgrep action from `helm-source-buffers-list'."
'helm-zgrep-buffers)
(helm-make-command-from-action helm-buffer-run-query-replace-regexp
"Run Query replace regexp action from `helm-source-buffers-list'."
'helm-buffer-query-replace-regexp)
(helm-make-command-from-action helm-buffer-run-query-replace
"Run Query replace action from `helm-source-buffers-list'."
'helm-buffer-query-replace)
(helm-make-command-from-action helm-buffer-switch-other-window
"Run switch to other window action from `helm-source-buffers-list'."
'helm-buffer-switch-buffers-other-window)
(defun helm-buffer-switch-to-buffer-other-frame (_candidate)
"Display marked buffers in other frame."
(let ((bufs (helm-marked-candidates)))
(select-frame (make-frame))
(helm-window-show-buffers bufs)))
(defun helm-buffers-maybe-raise-buffer-frame (candidate)
"Raise buffer frame handling buffer CANDIDATE and switch to it."
(let ((oframe (window-frame (get-buffer-window candidate 0))))
(unless (eql oframe (selected-frame))
(raise-frame oframe))
(with-selected-frame oframe
(switch-to-buffer candidate))))
(helm-make-command-from-action helm-buffer-switch-other-frame
"Run switch to other frame action from `helm-source-buffers-list'."
'helm-buffer-switch-to-buffer-other-frame)
(defun helm-buffers-switch-buffers-in-tab (_candidate)
"Display marked buffers in a new tab.
See `helm-buffers-switch-buffers-in-tab-1' for more infos."