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authorAlex Kost <alezost@gmail.com>2015-11-19 15:58:19 +0300
committerAlex Kost <alezost@gmail.com>2016-01-02 17:25:35 +0300
commit7b31510f26501e77798ce545da27c49d46b46efe (patch)
tree3e9c79093623382a1fd04f1425bf37f397ac81c0 /emacs
parentf768e4b38749ffb5d672256013422295f87648a7 (diff)
downloadgnu-guix-7b31510f26501e77798ce545da27c49d46b46efe.tar
gnu-guix-7b31510f26501e77798ce545da27c49d46b46efe.tar.gz
emacs: list: Generalize 'describe' code.
* emacs/guix-list.el (guix-list-describe-warning-count): Remove variable. (guix-list-define-entry-type): Generate 'guix-ENTRY-TYPE-list-describe-warning-count' and 'guix-ENTRY-TYPE-list-describe-function' variables. (guix-list-describe-maybe): Remove. Move the code... (guix-list-describe): ... here. (guix-list-describe-warning-count, guix-list-describe-entries) (guix-list-describe-ids): New procedures. (guix-output-list-describe): Adjust accordingly. (guix-list-mode-map): Bind "i" key to 'guix-list-describe'. (guix-generation-list-mode-map): Remove "i" key.
Diffstat (limited to 'emacs')
-rw-r--r--emacs/guix-list.el131
1 files changed, 79 insertions, 52 deletions
diff --git a/emacs/guix-list.el b/emacs/guix-list.el
index 70599915b9..c4c85a8d78 100644
--- a/emacs/guix-list.el
+++ b/emacs/guix-list.el
@@ -51,13 +51,6 @@
"Face used for time stamps."
:group 'guix-list-faces)
-(defcustom guix-list-describe-warning-count 10
- "The maximum number of entries for describing without a warning.
-If a user wants to describe more than this number of marked
-entries, he will be prompted for confirmation."
- :type 'integer
- :group 'guix-list)
-
(defvar guix-list-format
`((package
(name guix-package-list-get-name 20 t)
@@ -98,6 +91,26 @@ For the meaning of WIDTH, SORT and PROPS, see
Has the same structure as `guix-param-titles', but titles from
this list have a priority.")
+(defun guix-list-describe (&optional mark-names)
+ "Describe entries marked with a general mark.
+'Describe' means display entries in 'info' buffer.
+If no entries are marked, describe the current entry.
+With prefix argument, describe entries marked with any mark."
+ (interactive (list (unless current-prefix-arg '(general))))
+ (let* ((ids (or (apply #'guix-list-get-marked-id-list mark-names)
+ (list (guix-list-current-id))))
+ (count (length ids))
+ (entry-type guix-entry-type))
+ (when (or (<= count (guix-list-describe-warning-count entry-type))
+ (y-or-n-p (format "Do you really want to describe %d entries? "
+ count)))
+ (guix-list-describe-entries entry-type ids))))
+
+(defun guix-list-describe-ids (ids)
+ "Describe entries with IDS (list of identifiers)."
+ (apply #'guix-get-show-entries
+ guix-profile 'info guix-entry-type 'id ids))
+
;;; Wrappers for 'list' variables
@@ -127,6 +140,15 @@ This alist is filled by `guix-list-define-entry-type' macro.")
"Return alist of additional marks for ENTRY-TYPE."
(guix-list-value entry-type 'marks))
+(defun guix-list-describe-warning-count (entry-type)
+ "Return the maximum number of ENTRY-TYPE entries to describe."
+ (guix-list-value entry-type 'describe-count))
+
+(defun guix-list-describe-entries (entry-type ids)
+ "Describe ENTRY-TYPE entries with IDS in 'info' buffer"
+ (funcall (guix-list-value entry-type 'describe)
+ ids))
+
;;; Tabulated list internals
@@ -409,6 +431,7 @@ Same as `tabulated-list-sort', but also restore marks after sorting."
map (make-composed-keymap guix-root-map
tabulated-list-mode-map))
(define-key map (kbd "RET") 'guix-list-describe)
+ (define-key map (kbd "i") 'guix-list-describe)
(define-key map (kbd "m") 'guix-list-mark)
(define-key map (kbd "*") 'guix-list-mark)
(define-key map (kbd "u") 'guix-list-unmark)
@@ -431,18 +454,27 @@ following keywords are available:
- `:invert-sort' - if non-nil, invert initial sort.
+ - `:describe-function' - default value of the generated
+ `guix-ENTRY-TYPE-describe-function' variable.
+
- `:marks' - default value of the generated
`guix-ENTRY-TYPE-list-marks' variable.
"
- (let* ((entry-type-str (symbol-name entry-type))
- (prefix (concat "guix-" entry-type-str "-list"))
- (mode-str (concat prefix "-mode"))
- (init-fun (intern (concat prefix "-mode-initialize")))
- (marks-var (intern (concat prefix "-marks"))))
+ (let* ((entry-type-str (symbol-name entry-type))
+ (prefix (concat "guix-" entry-type-str "-list"))
+ (group (intern prefix))
+ (mode-str (concat prefix "-mode"))
+ (init-fun (intern (concat prefix "-mode-initialize")))
+ (describe-var (intern (concat prefix "-describe-function")))
+ (describe-count-var (intern (concat prefix
+ "-describe-warning-count")))
+ (marks-var (intern (concat prefix "-marks"))))
(guix-keyword-args-let args
- ((sort-key :sort-key)
- (invert-sort :invert-sort)
- (marks-val :marks))
+ ((describe-val :describe-function)
+ (describe-count-val :describe-count 10)
+ (sort-key :sort-key)
+ (invert-sort :invert-sort)
+ (marks-val :marks))
`(progn
(defvar ,marks-var ,marks-val
,(format "\
@@ -450,6 +482,20 @@ Alist of additional marks for 'list' buffer with '%s' entries.
Marks from this list are used along with `guix-list-default-marks'."
entry-type-str))
+ (defcustom ,describe-count-var ,describe-count-val
+ ,(format "\
+The maximum number of '%s' entries to describe without a warning.
+If a user wants to describe more than this number of marked
+entries, he will be prompted for confirmation.
+See also `guix-list-describe'."
+ entry-type-str)
+ :type 'integer
+ :group ',group)
+
+ (defvar ,describe-var ,describe-val
+ ,(format "Function used to describe '%s' entries."
+ entry-type-str))
+
(defun ,init-fun ()
,(concat "Initial settings for `" mode-str "'.")
,(when sort-key
@@ -462,30 +508,13 @@ Marks from this list are used along with `guix-list-default-marks'."
(tabulated-list-init-header))
(guix-alist-put!
- '((marks . ,marks-var))
+ '((describe . ,describe-var)
+ (describe-count . ,describe-count-var)
+ (marks . ,marks-var))
'guix-list-data ',entry-type)))))
(put 'guix-list-define-entry-type 'lisp-indent-function 'defun)
-(defun guix-list-describe-maybe (entry-type ids)
- "Describe ENTRY-TYPE entries in info buffer using list of IDS."
- (let ((count (length ids)))
- (when (or (<= count guix-list-describe-warning-count)
- (y-or-n-p (format "Do you really want to describe %d entries? "
- count)))
- (apply #'guix-get-show-entries
- guix-profile 'info entry-type 'id ids))))
-
-(defun guix-list-describe (&optional arg)
- "Describe entries marked with a general mark.
-If no entries are marked, describe the current entry.
-With prefix (if ARG is non-nil), describe entries marked with any mark."
- (interactive "P")
- (let ((ids (or (apply #'guix-list-get-marked-id-list
- (unless arg '(general)))
- (list (guix-list-current-id)))))
- (guix-list-describe-maybe guix-entry-type ids)))
-
(defun guix-list-edit-package ()
"Go to the location of the current package."
(interactive)
@@ -497,6 +526,7 @@ With prefix (if ARG is non-nil), describe entries marked with any mark."
(guix-define-buffer-type list package)
(guix-list-define-entry-type package
+ :describe-function 'guix-list-describe-ids
:sort-key name
:marks '((install . ?I)
(upgrade . ?U)
@@ -680,13 +710,13 @@ The specification is suitable for `guix-process-package-actions'."
:required (package-id))
(guix-list-define-entry-type output
+ :describe-function 'guix-output-list-describe
:sort-key name
:marks '((install . ?I)
(upgrade . ?U)
(delete . ?D)))
(let ((map guix-output-list-mode-map))
- (define-key map (kbd "RET") 'guix-output-list-describe)
(define-key map (kbd "e") 'guix-list-edit-package)
(define-key map (kbd "x") 'guix-output-list-execute)
(define-key map (kbd "i") 'guix-output-list-mark-install)
@@ -746,22 +776,19 @@ The specification is suitable for `guix-process-output-actions'."
(mapcar #'guix-package-id-and-output-by-output-id
ids)))))
-(defun guix-output-list-describe (&optional arg)
- "Describe outputs or packages marked with a general mark.
-If no entries are marked, describe the current output or package.
-With prefix (if ARG is non-nil), describe entries marked with any mark.
-Also see `guix-package-info-type'."
- (interactive "P")
+(defun guix-output-list-describe (ids)
+ "Describe outputs with IDS (list of output identifiers).
+See `guix-package-info-type'."
(if (eq guix-package-info-type 'output)
- (guix-list-describe arg)
- (let* ((oids (or (apply #'guix-list-get-marked-id-list
- (unless arg '(general)))
- (list (guix-list-current-id))))
- (pids (mapcar (lambda (oid)
- (car (guix-package-id-and-output-by-output-id
- oid)))
- oids)))
- (guix-list-describe-maybe 'package (cl-remove-duplicates pids)))))
+ (apply #'guix-get-show-entries
+ guix-profile 'info 'output 'id ids)
+ (let ((pids (mapcar (lambda (oid)
+ (car (guix-package-id-and-output-by-output-id
+ oid)))
+ ids)))
+ (apply #'guix-get-show-entries
+ guix-profile 'info 'package 'id
+ (cl-remove-duplicates pids)))))
;;; Displaying generations
@@ -769,6 +796,7 @@ Also see `guix-package-info-type'."
(guix-define-buffer-type list generation)
(guix-list-define-entry-type generation
+ :describe-function 'guix-list-describe-ids
:sort-key number
:invert-sort t
:marks '((delete . ?D)))
@@ -781,7 +809,6 @@ Also see `guix-package-info-type'."
(define-key map (kbd "D") 'guix-generation-list-diff)
(define-key map (kbd "e") 'guix-generation-list-ediff)
(define-key map (kbd "x") 'guix-generation-list-execute)
- (define-key map (kbd "i") 'guix-list-describe)
(define-key map (kbd "s") 'guix-generation-list-switch)
(define-key map (kbd "d") 'guix-generation-list-mark-delete))