;;; Code:
+(require 'tabulated-list)
+
(defgroup package nil
"Manager for Emacs Lisp packages."
:group 'applications
;;;; Package menu mode.
(defvar package-menu-mode-map
- (let ((map (copy-keymap special-mode-map))
+ (let ((map (make-sparse-keymap))
(menu-map (make-sparse-keymap "Package")))
- (set-keymap-parent map button-buffer-map)
+ (set-keymap-parent map tabulated-list-mode-map)
(define-key map "\C-m" 'package-menu-describe-package)
- (define-key map "n" 'next-line)
- (define-key map "p" 'previous-line)
(define-key map "u" 'package-menu-mark-unmark)
(define-key map "\177" 'package-menu-backup-unmark)
(define-key map "d" 'package-menu-mark-delete)
(define-key map "x" 'package-menu-execute)
(define-key map "h" 'package-menu-quick-help)
(define-key map "?" 'package-menu-describe-package)
- (define-key map [follow-link] 'mouse-face)
- (define-key map [mouse-2] 'mouse-select-window)
(define-key map [menu-bar package-menu] (cons "Package" menu-map))
(define-key menu-map [mq]
'(menu-item "Quit" quit-window
map)
"Local keymap for `package-menu-mode' buffers.")
-(defvar package-menu-sort-button-map
- (let ((map (make-sparse-keymap)))
- (define-key map [header-line mouse-1] 'package-menu-sort-by-column)
- (define-key map [header-line mouse-2] 'package-menu-sort-by-column)
- (define-key map [follow-link] 'mouse-face)
- map)
- "Local keymap for package menu sort buttons.")
-
-(put 'package-menu-mode 'mode-class 'special)
-
-(define-derived-mode package-menu-mode special-mode "Package Menu"
+(define-derived-mode package-menu-mode tabulated-list-mode "Package Menu"
"Major mode for browsing a list of packages.
Letters do not insert themselves; instead, they are commands.
\\<package-menu-mode-map>
\\{package-menu-mode-map}"
- (setq truncate-lines t)
- (setq buffer-read-only t)
- (set (make-local-variable 'revert-buffer-function) 'package-menu-revert)
- (setq header-line-format
- (mapconcat
- (lambda (pair)
- (let ((column (car pair))
- (name (cdr pair)))
- (concat
- ;; Insert a space that aligns the button properly.
- (propertize " " 'display (list 'space :align-to column)
- 'face 'fixed-pitch)
- ;; Set up the column button.
- (propertize name
- 'column-name name
- 'help-echo "mouse-1: sort by column"
- 'mouse-face 'highlight
- 'keymap package-menu-sort-button-map))))
- ;; We take a trick from buff-menu and have a dummy leading
- ;; space to align the header line with the beginning of the
- ;; text. This doesn't really work properly on Emacs 21, but
- ;; it is close enough.
- '((0 . "")
- (2 . "Package")
- (20 . "Version")
- (32 . "Status")
- (43 . "Description"))
- "")))
+ (setq tabulated-list-format [("Package" 18 package-menu--name-predicate)
+ ("Version" 12 nil)
+ ("Status" 10 package-menu--status-predicate)
+ ("Description" 0 nil)])
+ (setq tabulated-list-padding 2)
+ (setq tabulated-list-sort-key (cons "Status" nil))
+ (tabulated-list-init-header))
+
+(defmacro package--push (package desc status listname)
+ "Convenience macro for `package-menu--generate'.
+If the alist stored in the symbol LISTNAME lacks an entry for a
+package PACKAGE with descriptor DESC, add one. The alist is
+keyed with cons cells (PACKAGE . VERSION), where PACKAGE is a
+symbol and VERSION is a version list."
+ `(let* ((version (package-desc-vers ,desc))
+ (key (cons ,package version)))
+ (unless (assoc key ,listname)
+ (push (list key ,status (package-desc-doc ,desc)) ,listname))))
+
+(defun package-menu--generate (&optional remember-pos)
+ "Populate the Package Menu.
+Optional argument REMEMBER-POS, if non-nil, means to move point
+to the entry as before."
+ ;; Construct list of ((PACKAGE . VERSION) STATUS DESCRIPTION).
+ (let (info-list name builtin)
+ ;; Installed packages:
+ (dolist (elt package-alist)
+ (setq name (car elt))
+ (package--push name (cdr elt)
+ (if (stringp (cadr (assq name package-load-list)))
+ "held" "installed")
+ info-list))
+
+ ;; Built-in packages:
+ (dolist (elt package--builtins)
+ (setq name (car elt))
+ (unless (eq name 'emacs) ; Hide the `emacs' package.
+ (package--push name (cdr elt) "built-in" info-list)))
+
+ ;; Available and disabled packages:
+ (dolist (elt package-archive-contents)
+ (setq name (car elt))
+ (let ((hold (assq name package-load-list)))
+ (package--push name (cdr elt)
+ (if (and hold (null (cadr hold))) "disabled" "available")
+ info-list)))
+
+ ;; Obsolete packages:
+ (dolist (elt package-obsolete-alist)
+ (dolist (inner-elt (cdr elt))
+ (package--push (car elt) (cdr inner-elt) "obsolete" info-list)))
+
+ ;; Print the result.
+ (setq tabulated-list-entries (mapcar 'package-menu--print-info info-list))
+ (tabulated-list-print remember-pos)))
+
+(defun package-menu--print-info (pkg)
+ "Return a package entry suitable for `tabulated-list-entries'.
+PKG has the form ((PACKAGE . VERSION) STATUS DOC).
+Return (KEY [NAME VERSION STATUS DOC]), where KEY is the
+identifier (NAME . VERSION-LIST)."
+ (let* ((package (caar pkg))
+ (version (cdr (car pkg)))
+ (status (nth 1 pkg))
+ (doc (or (nth 2 pkg) ""))
+ (face (cond
+ ((string= status "built-in") 'font-lock-builtin-face)
+ ((string= status "available") 'default)
+ ((string= status "held") 'font-lock-constant-face)
+ ((string= status "disabled") 'font-lock-warning-face)
+ ((string= status "installed") 'font-lock-comment-face)
+ (t 'font-lock-warning-face)))) ; obsolete.
+ (list (cons package version)
+ (vector (list (symbol-name package)
+ 'face 'link
+ 'follow-link t
+ 'package-symbol package
+ 'action 'package-menu-describe-package)
+ (propertize (package-version-join version)
+ 'font-lock-face face)
+ (propertize status 'font-lock-face face)
+ (propertize doc 'font-lock-face face)))))
(defun package-menu-refresh ()
"Download the Emacs Lisp package archive.
(unless (eq major-mode 'package-menu-mode)
(error "The current buffer is not a Package Menu"))
(package-refresh-contents)
- (package--generate-package-list))
+ (package-menu--generate t))
-(defun package-menu-revert (&optional arg noconfirm)
- "Update the list of packages.
-This function is the `revert-buffer-function' for Package Menu
-buffers. The arguments are ignored."
+(defun package-menu-describe-package (&optional button)
+ "Describe the current package.
+If optional arg BUTTON is non-nil, describe its associated package."
(interactive)
- (unless (eq major-mode 'package-menu-mode)
- (error "The current buffer is not a Package Menu"))
- (package--generate-package-list))
-
-(defun package-menu-describe-package ()
- "Describe the package in the current line."
- (interactive)
- (let ((name (package-menu-get-package)))
- (if name
- (describe-package (intern name))
- (message "No package on this line"))))
-
-(defun package-menu-mark-internal (what)
- (unless (eobp)
- (let ((buffer-read-only nil))
- (beginning-of-line)
- (delete-char 1)
- (insert what)
- (forward-line))))
+ (let ((package (if button (button-get button 'package-symbol)
+ (car (tabulated-list-get-id)))))
+ (if package
+ (describe-package package))))
;; fixme numeric argument
(defun package-menu-mark-delete (num)
"Mark a package for deletion and move to the next line."
(interactive "p")
(if (string-equal (package-menu-get-status) "installed")
- (package-menu-mark-internal "D")
+ (tabulated-list-put-tag "D" t)
(forward-line)))
(defun package-menu-mark-install (num)
"Mark a package for installation and move to the next line."
(interactive "p")
(if (string-equal (package-menu-get-status) "available")
- (package-menu-mark-internal "I")
+ (tabulated-list-put-tag "I" t)
(forward-line)))
(defun package-menu-mark-unmark (num)
"Clear any marks on a package and move to the next line."
(interactive "p")
- (package-menu-mark-internal " "))
+ (tabulated-list-put-tag " " t))
(defun package-menu-backup-unmark ()
"Back up one line and clear any marks on that package."
(interactive)
(forward-line -1)
- (package-menu-mark-internal " ")
- (forward-line -1))
+ (tabulated-list-put-tag " "))
(defun package-menu-mark-obsolete-for-deletion ()
"Mark all obsolete packages for deletion."
(forward-line 2)
(while (not (eobp))
(if (looking-at ".*\\s obsolete\\s ")
- (package-menu-mark-internal "D")
+ (tabulated-list-put-tag "D" t)
(forward-line 1)))))
(defun package-menu-quick-help ()
(define-obsolete-function-alias
'package-menu-view-commentary 'package-menu-describe-package "24.1")
-;; Return the name of the package on the current line.
-(defun package-menu-get-package ()
- (save-excursion
- (beginning-of-line)
- (if (looking-at ". \\([^ \t]*\\)")
- (match-string-no-properties 1))))
-
-;; Return the version of the package on the current line.
-(defun package-menu-get-version ()
- (save-excursion
- (beginning-of-line)
- (if (looking-at ". [^ \t]*[ \t]*\\([0-9.]*\\)")
- (match-string 1))))
-
(defun package-menu-get-status ()
(save-excursion
(if (looking-at ". [^ \t]*[ \t]*[^ \t]*[ \t]*\\([^ \t]*\\)")
Packages marked for installation are downloaded and installed;
packages marked for deletion are removed."
(interactive)
- (let (install-list delete-list cmd)
+ (unless (eq major-mode 'package-menu-mode)
+ (error "The current buffer is not in Package Menu mode"))
+ (let (install-list delete-list cmd id)
(save-excursion
(goto-char (point-min))
(while (not (eobp))
(setq cmd (char-after))
- (cond
- ((eq cmd ?\s) t)
- ((eq cmd ?D)
- (push (cons (package-menu-get-package)
- (package-menu-get-version))
- delete-list))
- ((eq cmd ?I)
- (push (package-menu-get-package) install-list)))
+ (unless (eq cmd ?\s)
+ ;; This is the key (PACKAGE . VERSION-LIST).
+ (setq id (tabulated-list-get-id))
+ (cond ((eq cmd ?D)
+ (push (cons (symbol-name (car id))
+ (package-version-join (cdr id)))
+ delete-list))
+ ((eq cmd ?I)
+ (push (car id) install-list))))
(forward-line)))
;; Delete packages, prompting if necessary.
(when delete-list
(format "Install package `%s'? " (car install-list))
(format "Install these %d packages (%s)? "
(length install-list)
- (mapconcat 'identity install-list ", "))))
- (dolist (elt install-list)
- (package-install (intern elt)))))
+ (mapconcat 'symbol-name install-list ", "))))
+ (mapc 'package-install install-list)))
;; If we deleted anything, regenerate `package-alist'. This is done
;; automatically if we installed a package.
(and delete-list (null install-list)
(package-initialize))
(if (or delete-list install-list)
- (package-menu-revert)
+ (package-menu--generate t)
(message "No operations specified."))))
-(defun package-print-package (package version key desc)
- (let ((face
- (cond ((string= key "built-in") 'font-lock-builtin-face)
- ((string= key "available") 'default)
- ((string= key "held") 'font-lock-constant-face)
- ((string= key "disabled") 'font-lock-warning-face)
- ((string= key "installed") 'font-lock-comment-face)
- (t ; obsolete, but also the default.
- 'font-lock-warning-face))))
- (insert (propertize " " 'font-lock-face face))
- (insert-text-button (symbol-name package)
- 'face 'link
- 'follow-link t
- 'package-symbol package
- 'action (lambda (button)
- (describe-package
- (button-get button 'package-symbol))))
- (indent-to 20 1)
- (insert (propertize (package-version-join version) 'font-lock-face face))
- (indent-to 32 1)
- (insert (propertize key 'font-lock-face face))
- ;; FIXME: this 'when' is bogus...
- (when desc
- (indent-to 43 1)
- (let ((opoint (point)))
- (insert (propertize desc 'font-lock-face face))
- (upcase-region opoint (min (point) (1+ opoint)))))
- (insert "\n")))
-
-(defun package-list-maybe-add (package version status description result)
- (unless (assoc (cons package version) result)
- (push (list (cons package version) status description) result))
- result)
-
-(defvar package-menu-package-list nil
- "List of packages to display in the Package Menu buffer.
-A value of nil means to display all packages.")
-
-(defvar package-menu-sort-key nil
- "Sort key for the current Package Menu buffer.")
-
-(defun package--generate-package-list ()
- "Populate the current Package Menu buffer."
- (let ((inhibit-read-only t)
- info-list name desc hold builtin)
- (erase-buffer)
- ;; List installed packages
- (dolist (elt package-alist)
- (setq name (car elt))
- (when (or (null package-menu-package-list)
- (memq name package-menu-package-list))
- (setq desc (cdr elt)
- hold (cadr (assq name package-load-list)))
- (setq info-list
- (package-list-maybe-add
- name (package-desc-vers desc)
- ;; FIXME: it turns out to be tricky to see if this
- ;; package is presently activated.
- (if (stringp hold) "held" "installed")
- (package-desc-doc desc)
- info-list))))
-
- ;; List built-in packages
- (dolist (elt package--builtins)
- (setq name (car elt))
- (when (and (not (eq name 'emacs)) ; Hide the `emacs' package.
- (or (null package-menu-package-list)
- (memq name package-menu-package-list)))
- (setq desc (cdr elt))
- (setq info-list
- (package-list-maybe-add
- name (package-desc-vers desc)
- "built-in"
- (package-desc-doc desc)
- info-list))))
-
- ;; List available and disabled packages
- (dolist (elt package-archive-contents)
- (setq name (car elt)
- desc (cdr elt)
- hold (assq name package-load-list))
- (when (or (null package-menu-package-list)
- (memq name package-menu-package-list))
- (setq info-list
- (package-list-maybe-add name
- (package-desc-vers desc)
- (if (and hold (null (cadr hold)))
- "disabled"
- "available")
- (package-desc-doc (cdr elt))
- info-list))))
- ;; List obsolete packages
- (mapc (lambda (elt)
- (mapc (lambda (inner-elt)
- (setq info-list
- (package-list-maybe-add (car elt)
- (package-desc-vers
- (cdr inner-elt))
- "obsolete"
- (package-desc-doc
- (cdr inner-elt))
- info-list)))
- (cdr elt)))
- package-obsolete-alist)
-
- (setq info-list
- (sort info-list
- (cond ((string= package-menu-sort-key "Package")
- 'package-menu--name-predicate)
- ((string= package-menu-sort-key "Version")
- 'package-menu--version-predicate)
- ((string= package-menu-sort-key "Description")
- 'package-menu--description-predicate)
- (t ; By default, sort by package status
- 'package-menu--status-predicate))))
-
- (dolist (elt info-list)
- (package-print-package (car (car elt))
- (cdr (car elt))
- (car (cdr elt))
- (car (cdr (cdr elt)))))
- (goto-char (point-min))
- (set-buffer-modified-p nil)
- (current-buffer)))
-
-(defun package-menu--version-predicate (left right)
- (let ((vleft (or (cdr (car left)) '(0)))
- (vright (or (cdr (car right)) '(0))))
- (if (version-list-= vleft vright)
- (package-menu--name-predicate left right)
- (version-list-< vleft vright))))
-
-(defun package-menu--status-predicate (left right)
- (let ((sleft (cadr left))
- (sright (cadr right)))
- (cond ((string= sleft sright)
- (package-menu--name-predicate left right))
- ((string= sleft "available") t)
- ((string= sright "available") nil)
- ((string= sleft "installed") t)
- ((string= sright "installed") nil)
- ((string= sleft "held") t)
- ((string= sright "held") nil)
- ((string= sleft "built-in") t)
- ((string= sright "built-in") nil)
- ((string= sleft "obsolete") t)
- ((string= sright "obsolete") nil)
- (t (string< sleft sright)))))
-
-(defun package-menu--description-predicate (left right)
- (let ((sleft (car (cddr left)))
- (sright (car (cddr right))))
- (if (string= sleft sright)
- (package-menu--name-predicate left right)
- (string< sleft sright))))
-
-(defun package-menu--name-predicate (left right)
- (string< (symbol-name (caar left))
- (symbol-name (caar right))))
-
-(defun package-menu-sort-by-column (&optional e)
- "Sort the package menu by the column of the mouse click E."
- (interactive "e")
- (let* ((pos (event-start e))
- (obj (posn-object pos))
- (col (if obj
- (get-text-property (cdr obj) 'column-name (car obj))
- (get-text-property (posn-point pos) 'column-name)))
- (buf (window-buffer (posn-window (event-start e)))))
- (with-current-buffer buf
- (when (eq major-mode 'package-menu-mode)
- (setq package-menu-sort-key col)
- (package--generate-package-list)))))
-
-(defun package--list-packages (&optional packages)
- "Generate and pop to the *Packages* buffer.
-Optional PACKAGES is a list of names of packages (symbols) to
-list; the default is to display everything in `package-alist'."
- (require 'finder-inf nil t)
- (let ((buf (get-buffer-create "*Packages*")))
- (with-current-buffer buf
- (package-menu-mode)
- (set (make-local-variable 'package-menu-package-list) packages)
- (set (make-local-variable 'package-menu-sort-key) nil)
- (package--generate-package-list))
- ;; The package menu buffer has keybindings. If the user types
- ;; `M-x list-packages', that suggests it should become current.
- (switch-to-buffer buf)))
+(defun package-menu--version-predicate (A B)
+ (let ((vA (or (aref (cadr A) 1) '(0)))
+ (vB (or (aref (cadr B) 1) '(0))))
+ (if (version-list-= vA vB)
+ (package-menu--name-predicate A B)
+ (version-list-< vA vB))))
+
+(defun package-menu--status-predicate (A B)
+ (let ((sA (aref (cadr A) 2))
+ (sB (aref (cadr B) 2)))
+ (cond ((string= sA sB)
+ (package-menu--name-predicate A B))
+ ((string= sA "available") t)
+ ((string= sB "available") nil)
+ ((string= sA "installed") t)
+ ((string= sB "installed") nil)
+ ((string= sA "held") t)
+ ((string= sB "held") nil)
+ ((string= sA "built-in") t)
+ ((string= sB "built-in") nil)
+ ((string= sA "obsolete") t)
+ ((string= sB "obsolete") nil)
+ (t (string< sA sB)))))
+
+(defun package-menu--description-predicate (A B)
+ (let ((dA (aref (cadr A) 3))
+ (dB (aref (cadr B) 3)))
+ (if (string= dA dB)
+ (package-menu--name-predicate A B)
+ (string< dA dB))))
+
+(defun package-menu--name-predicate (A B)
+ (string< (symbol-name (caar A))
+ (symbol-name (caar B))))
;;;###autoload
-(defun list-packages ()
+(defun list-packages (&optional no-fetch)
"Display a list of packages.
-Fetches the updated list of packages before displaying.
+This first fetches the updated list of packages before
+displaying, unless a prefix argument NO-FETCH is specified.
The list is displayed in a buffer named `*Packages*'."
- (interactive)
+ (interactive "P")
+ (require 'finder-inf nil t)
;; Initialize the package system if necessary.
(unless package--initialized
(package-initialize t))
- (package-refresh-contents)
- (package--list-packages))
+ (unless no-fetch
+ (package-refresh-contents))
+ (let ((buf (get-buffer-create "*Packages*")))
+ (with-current-buffer buf
+ (package-menu-mode)
+ (package-menu--generate))
+ ;; The package menu buffer has keybindings. If the user types
+ ;; `M-x list-packages', that suggests it should become current.
+ (switch-to-buffer buf)))
;;;###autoload
(defalias 'package-list-packages 'list-packages)
Does not fetch the updated list of packages before displaying.
The list is displayed in a buffer named `*Packages*'."
(interactive)
- (package--list-packages))
+ (list-packages t))
(provide 'package)