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[Emacs-diffs] master 2296bf1: Ibuffer filter by modes: Accept several mo
From: |
Tino Calancha |
Subject: |
[Emacs-diffs] master 2296bf1: Ibuffer filter by modes: Accept several mode names |
Date: |
Sat, 29 Sep 2018 05:48:55 -0400 (EDT) |
branch: master
commit 2296bf188fc99d66306e71e6decd3d2e176b7ae6
Author: Tino Calancha <address@hidden>
Commit: Tino Calancha <address@hidden>
Ibuffer filter by modes: Accept several mode names
Extend all mode filters so that they handle >1 mode.
For instance, if the users want to filter all buffers in
C or C++ mode, then they can call the filter interactively
with input: 'c-mode,c++-mode' (Bug#32731).
* lisp/ibuf-macs.el(define-ibuffer-filter): Add key :accept-list.
If the value of this key is non-nil, then the filter accepts
either a single qualifier or a list of them; in the latter case,
the resultant filter is the `or' composition of the individual ones.
* lisp/ibuf-ext.el (ibuffer-filter-by-used-mode)
(ibuffer-filter-by-mode, ibuffer-filter-by-derived-mode)
Set :accept-list value non-nil.
Interactively, accept a comma separated list of mode names.
* etc/NEWS(Ibuffer): Announce this change.
Co-authored-by: Noam Postavsky <address@hidden>
---
etc/NEWS | 5 +++++
lisp/ibuf-ext.el | 45 +++++++++++++++++++++++---------------
lisp/ibuf-macs.el | 65 ++++++++++++++++++++++++++++++++++---------------------
3 files changed, 73 insertions(+), 42 deletions(-)
diff --git a/etc/NEWS b/etc/NEWS
index 474af16..7e7de16 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -62,6 +62,11 @@ to reduce differences between developer and production
builds.
** Ibuffer
---
+*** All mode filters can now accept a list of symbols.
+This means you can now easily filter several major modes, as well
+as a single mode.
+
+---
*** New toggle 'ibuffer-do-toggle-lock', bound to 'L'.
** Gnus
diff --git a/lisp/ibuf-ext.el b/lisp/ibuf-ext.el
index d9949d2..32ec91d 100644
--- a/lisp/ibuf-ext.el
+++ b/lisp/ibuf-ext.el
@@ -1228,28 +1228,33 @@ If INCLUDE-PARENTS is non-nil then include parent
modes."
;;;###autoload (autoload 'ibuffer-filter-by-mode "ibuf-ext")
(define-ibuffer-filter mode
- "Limit current view to buffers with major mode QUALIFIER."
+ "Limit current view to buffers with major mode(s) specified by QUALIFIER.
+QUALIFIER is the mode name as a symbol or a list of symbols.
+Called interactively, accept a comma separated list of mode names."
(:description "major mode"
:reader
(let* ((buf (ibuffer-current-buffer))
(default (if (and buf (buffer-live-p buf))
(symbol-name (buffer-local-value
'major-mode buf)))))
- (intern
- (completing-read
+ (mapcar #'intern
+ (completing-read-multiple
(if default
(format "Filter by major mode (default %s): " default)
"Filter by major mode: ")
obarray
- #'(lambda (e)
- (string-match "-mode\\'" (symbol-name e)))
- t nil nil default))))
+ (lambda (e)
+ (string-match "-mode\\'" (if (symbolp e) (symbol-name e) e)))
+ t nil nil default)))
+ :accept-list t)
(eq qualifier (buffer-local-value 'major-mode buf)))
;;;###autoload (autoload 'ibuffer-filter-by-used-mode "ibuf-ext")
(define-ibuffer-filter used-mode
- "Limit current view to buffers with major mode QUALIFIER.
-Called interactively, this function allows selection of modes
+ "Limit current view to buffers with major mode(s) specified by QUALIFIER.
+QUALIFIER is the mode name as a symbol or a list of symbols.
+
+Called interactively, accept a comma separated list of mode names
currently used by buffers."
(:description "major mode in use"
:reader
@@ -1257,23 +1262,29 @@ currently used by buffers."
(default (if (and buf (buffer-live-p buf))
(symbol-name (buffer-local-value
'major-mode buf)))))
- (intern
- (completing-read
+ (mapcar #'intern
+ (completing-read-multiple
(if default
(format "Filter by major mode (default %s): " default)
"Filter by major mode: ")
- (ibuffer-list-buffer-modes) nil t nil nil default))))
+ (ibuffer-list-buffer-modes) nil t nil nil default)))
+ :accept-list t)
(eq qualifier (buffer-local-value 'major-mode buf)))
;;;###autoload (autoload 'ibuffer-filter-by-derived-mode "ibuf-ext")
(define-ibuffer-filter derived-mode
- "Limit current view to buffers whose major mode inherits from QUALIFIER."
+ "Limit current view to buffers with major mode(s) specified by QUALIFIER.
+QUALIFIER is the mode name as a symbol or a list of symbols.
+ Restrict the view to buffers whose major mode derivates
+ from modes specified by QUALIFIER.
+Called interactively, accept a comma separated list of mode names."
(:description "derived mode"
- :reader
- (intern
- (completing-read "Filter by derived mode: "
- (ibuffer-list-buffer-modes t)
- nil t)))
+ :reader
+ (mapcar #'intern
+ (completing-read-multiple "Filter by derived mode: "
+ (ibuffer-list-buffer-modes t)
+ nil t))
+ :accept-list t)
(with-current-buffer buf (derived-mode-p qualifier)))
;;;###autoload (autoload 'ibuffer-filter-by-name "ibuf-ext")
diff --git a/lisp/ibuf-macs.el b/lisp/ibuf-macs.el
index 6a70a83..72a35a5 100644
--- a/lisp/ibuf-macs.el
+++ b/lisp/ibuf-macs.el
@@ -280,14 +280,18 @@ buffer object.
;;;###autoload
(cl-defmacro define-ibuffer-filter (name documentation
- (&key
- reader
- description)
- &rest body)
+ (&key
+ reader
+ description
+ accept-list)
+ &rest body)
"Define a filter named NAME.
DOCUMENTATION is the documentation of the function.
READER is a form which should read a qualifier from the user.
DESCRIPTION is a short string describing the filter.
+ACCEPT-LIST is a boolean; if non-nil, the filter accepts either
+a single condition or a list of them; in the latter
+case the filter is the `or' composition of the conditions.
BODY should contain forms which will be evaluated to test whether or
not a particular buffer should be displayed or not. The forms in BODY
@@ -296,30 +300,41 @@ bound to the current value of the filter.
\(fn NAME DOCUMENTATION (&key READER DESCRIPTION) &rest BODY)"
(declare (indent 2) (doc-string 2))
- (let ((fn-name (intern (concat "ibuffer-filter-by-" (symbol-name name)))))
+ (let ((fn-name (intern (concat "ibuffer-filter-by-" (symbol-name name))))
+ (filter (make-symbol "ibuffer-filter"))
+ (qualifier-str (make-symbol "ibuffer-qualifier-str")))
`(progn
(defun ,fn-name (qualifier)
- ,(or documentation "This filter is not documented.")
- (interactive (list ,reader))
- (if (null (ibuffer-push-filter (cons ',name qualifier)))
- (message "%s"
- (format ,(concat (format "Filter by %s already applied: "
description)
- " %s")
- qualifier))
- (message "%s"
- (format ,(concat (format "Filter by %s added: " description)
- " %s")
- qualifier))
- (ibuffer-update nil t)))
+ ,(or documentation "This filter is not documented.")
+ (interactive (list ,reader))
+ (let ((,filter (cons ',name qualifier))
+ (,qualifier-str qualifier))
+ ,(when accept-list
+ `(progn
+ (unless (listp qualifier) (setq qualifier (list qualifier)))
+ ;; Reject equivalent filters: (or f1 f2) is same as (or f2 f1).
+ (setq qualifier (sort (delete-dups qualifier) #'string-lessp))
+ (setq ,filter (cons ',name (car qualifier)))
+ (setq ,qualifier-str
+ (mapconcat (lambda (m) (if (symbolp m) (symbol-name m) m))
+ qualifier ","))
+ (when (cdr qualifier) ; Compose individual filters with `or'.
+ (setq ,filter `(or ,@(mapcar (lambda (m) (cons ',name m))
qualifier))))))
+ (if (null (ibuffer-push-filter ,filter))
+ (message ,(format "Filter by %s already applied: %%s" description)
+ ,qualifier-str)
+ (message ,(format "Filter by %s added: %%s" description)
+ ,qualifier-str)
+ (ibuffer-update nil t))))
(push (list ',name ,description
- (lambda (buf qualifier)
- (condition-case nil
- (progn ,@body)
- (error (ibuffer-pop-filter)
- (when (eq ',name 'predicate)
- (error "Wrong filter predicate: %S"
- qualifier))))))
- ibuffer-filtering-alist)
+ (lambda (buf qualifier)
+ (condition-case nil
+ (progn ,@body)
+ (error (ibuffer-pop-filter)
+ (when (eq ',name 'predicate)
+ (error "Wrong filter predicate: %S"
+ qualifier))))))
+ ibuffer-filtering-alist)
:autoload-end)))
(provide 'ibuf-macs)
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