;;; gnus-salt.el --- alternate summary mode interfaces for Gnus
-;; Copyright (C) 1996,97 Free Software Foundation, Inc.
+;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; Keywords: news
;; This file is part of GNU Emacs.
;;; Code:
+(eval-when-compile (require 'cl))
+
(require 'gnus)
(require 'gnus-sum)
(defvar gnus-pick-mode nil
"Minor mode for providing a pick-and-read interface in Gnus summary buffers.")
-(defvar gnus-pick-display-summary nil
- "*Display summary while reading.")
+(defcustom gnus-pick-display-summary nil
+ "*Display summary while reading."
+ :type 'boolean
+ :group 'gnus-summary-pick)
-(defvar gnus-pick-mode-hook nil
- "Hook run in summary pick mode buffers.")
+(defcustom gnus-pick-mode-hook nil
+ "Hook run in summary pick mode buffers."
+ :type 'hook
+ :group 'gnus-summary-pick)
-(defvar gnus-mark-unpicked-articles-as-read nil
- "*If non-nil, mark all unpicked articles as read.")
+(defcustom gnus-mark-unpicked-articles-as-read nil
+ "*If non-nil, mark all unpicked articles as read."
+ :type 'boolean
+ :group 'gnus-summary-pick)
-(defvar gnus-pick-elegant-flow t
- "If non-nil, gnus-pick-start-reading will run gnus-summary-next-group when no articles have been picked.")
+(defcustom gnus-pick-elegant-flow t
+ "If non-nil, gnus-pick-start-reading will run gnus-summary-next-group when no articles have been picked."
+ :type 'boolean
+ :group 'gnus-summary-pick)
-(defvar gnus-summary-pick-line-format
+(defcustom gnus-summary-pick-line-format
"%-5P %U\%R\%z\%I\%(%[%4L: %-20,20n%]%) %s\n"
"*The format specification of the lines in pick buffers.
-It accepts the same format specs that `gnus-summary-line-format' does.")
+It accepts the same format specs that `gnus-summary-line-format' does."
+ :type 'string
+ :group 'gnus-summary-pick)
;;; Internal variables.
(unless gnus-pick-mode-map
(setq gnus-pick-mode-map (make-sparse-keymap))
- (gnus-define-keys
- gnus-pick-mode-map
- "t" gnus-uu-mark-thread
- "T" gnus-uu-unmark-thread
- " " gnus-pick-next-page
- "u" gnus-summary-unmark-as-processable
- "U" gnus-summary-unmark-all-processable
- "v" gnus-uu-mark-over
- "r" gnus-uu-mark-region
- "R" gnus-uu-unmark-region
- "e" gnus-uu-mark-by-regexp
- "E" gnus-uu-mark-by-regexp
- "b" gnus-uu-mark-buffer
- "B" gnus-uu-unmark-buffer
- "." gnus-pick-article
- gnus-down-mouse-2 gnus-pick-mouse-pick-region
- ;;gnus-mouse-2 gnus-pick-mouse-pick
- "X" gnus-pick-start-reading
- "\r" gnus-pick-start-reading))
+ (gnus-define-keys gnus-pick-mode-map
+ " " gnus-pick-next-page
+ "u" gnus-pick-unmark-article-or-thread
+ "." gnus-pick-article-or-thread
+ gnus-down-mouse-2 gnus-pick-mouse-pick-region
+ "\r" gnus-pick-start-reading))
(defun gnus-pick-make-menu-bar ()
(unless (boundp 'gnus-pick-menu)
["Article" gnus-summary-mark-as-processable t]
["Thread" gnus-uu-mark-thread t]
["Region" gnus-uu-mark-region t]
- ["Regexp" gnus-uu-mark-regexp t]
+ ["Regexp" gnus-uu-mark-by-regexp t]
["Buffer" gnus-uu-mark-buffer t])
("Unpick"
["Article" gnus-summary-unmark-as-processable t]
["Thread" gnus-uu-unmark-thread t]
["Region" gnus-uu-unmark-region t]
- ["Regexp" gnus-uu-unmark-regexp t]
- ["Buffer" gnus-uu-unmark-buffer t])
+ ["Regexp" gnus-uu-unmark-by-regexp t]
+ ["Buffer" gnus-summary-unmark-all-processable t])
["Start reading" gnus-pick-start-reading t]
["Switch pick mode off" gnus-pick-mode gnus-pick-mode]))))
;; Set up the menu.
(when (gnus-visual-p 'pick-menu 'menu)
(gnus-pick-make-menu-bar))
- (unless (assq 'gnus-pick-mode minor-mode-alist)
- (push '(gnus-pick-mode " Pick") minor-mode-alist))
- (unless (assq 'gnus-pick-mode minor-mode-map-alist)
- (push (cons 'gnus-pick-mode gnus-pick-mode-map)
- minor-mode-map-alist))
- (run-hooks 'gnus-pick-mode-hook))))
+ (gnus-add-minor-mode 'gnus-pick-mode " Pick" gnus-pick-mode-map)
+ (gnus-run-hooks 'gnus-pick-mode-hook))))
(defun gnus-pick-setup-message ()
"Make Message do the right thing on exit."
(set-buffer gnus-summary-buffer)
gnus-pick-mode))
(message-add-action
- '(gnus-configure-windows 'pick t) 'send 'exit 'postpone 'kill)))
+ '(gnus-configure-windows ,gnus-current-window-configuration t)
+ 'send 'exit 'postpone 'kill)))
(defvar gnus-pick-line-number 1)
(defun gnus-pick-line-number ()
(gnus-summary-next-group)))
(error "No articles have been picked"))))
+(defun gnus-pick-goto-article (arg)
+ "Go to the article number indicated by ARG.
+If ARG is an invalid article number, then stay on current line."
+ (let (pos)
+ (save-excursion
+ (goto-char (point-min))
+ (when (zerop (forward-line (1- (prefix-numeric-value arg))))
+ (setq pos (point))))
+ (if (not pos)
+ (gnus-error 2 "No such line: %s" arg)
+ (goto-char pos))))
+
(defun gnus-pick-article (&optional arg)
"Pick the article on the current line.
If ARG, pick the article on that line instead."
(interactive "P")
(when arg
- (let (pos)
- (save-excursion
- (goto-char (point-min))
- (when (zerop (forward-line (1- (prefix-numeric-value arg))))
- (setq pos (point))))
- (if (not pos)
- (gnus-error 2 "No such line: %s" arg)
- (goto-char pos))))
+ (gnus-pick-goto-article arg))
(gnus-summary-mark-as-processable 1))
+(defun gnus-pick-article-or-thread (&optional arg)
+ "If gnus-thread-hide-subtree is t, then pick the thread on the current line.
+Otherwise pick the article on the current line.
+If ARG, pick the article/thread on that line instead."
+ (interactive "P")
+ (when arg
+ (gnus-pick-goto-article arg))
+ (if gnus-thread-hide-subtree
+ (progn
+ (save-excursion
+ (gnus-uu-mark-thread))
+ (forward-line 1))
+ (gnus-summary-mark-as-processable 1)))
+
+(defun gnus-pick-unmark-article-or-thread (&optional arg)
+ "If gnus-thread-hide-subtree is t, then unmark the thread on current line.
+Otherwise unmark the article on current line.
+If ARG, unmark thread/article on that line instead."
+ (interactive "P")
+ (when arg
+ (gnus-pick-goto-article arg))
+ (if gnus-thread-hide-subtree
+ (save-excursion
+ (gnus-uu-unmark-thread))
+ (gnus-summary-unmark-as-processable 1)))
+
(defun gnus-pick-mouse-pick (e)
(interactive "e")
(mouse-set-point e)
(start-point (posn-point start-posn))
(start-line (1+ (count-lines 1 start-point)))
(start-window (posn-window start-posn))
- (start-frame (window-frame start-window))
- (bounds (window-edges start-window))
+ (bounds (gnus-window-edges start-window))
(top (nth 1 bounds))
(bottom (if (window-minibuffer-p start-window)
(nth 3 bounds)
;; end-of-range is used only in the single-click case.
;; It is the place where the drag has reached so far
;; (but not outside the window where the drag started).
- (let (event end end-point last-end-point (end-of-range (point)))
+ (let (event end end-point (end-of-range (point)))
(track-mouse
(while (progn
- (setq event (read-event))
+ (setq event (cdr (gnus-read-event-char)))
(or (mouse-movement-p event)
(eq (car-safe event) 'switch-frame)))
(if (eq (car-safe event) 'switch-frame)
nil
(setq end (event-end event)
end-point (posn-point end))
- (when end-point
- (setq last-end-point end-point))
(cond
;; Are we moving within the original window?
(setq gnus-binary-mode-map (make-sparse-keymap))
(gnus-define-keys
- gnus-binary-mode-map
- "g" gnus-binary-show-article))
+ gnus-binary-mode-map
+ "g" gnus-binary-show-article))
(defun gnus-binary-make-menu-bar ()
(unless (boundp 'gnus-binary-menu)
;; Set up the menu.
(when (gnus-visual-p 'binary-menu 'menu)
(gnus-binary-make-menu-bar))
- (unless (assq 'gnus-binary-mode minor-mode-alist)
- (push '(gnus-binary-mode " Binary") minor-mode-alist))
- (unless (assq 'gnus-binary-mode minor-mode-map-alist)
- (push (cons 'gnus-binary-mode gnus-binary-mode-map)
- minor-mode-map-alist))
- (run-hooks 'gnus-binary-mode-hook))))
+ (gnus-add-minor-mode 'gnus-binary-mode " Binary" gnus-binary-mode-map)
+ (gnus-run-hooks 'gnus-binary-mode-hook))))
(defun gnus-binary-display-article (article &optional all-header)
"Run ARTICLE through the binary decode functions."
;;; gnus-tree-mode
;;;
-(defvar gnus-tree-line-format "%(%[%3,3n%]%)"
- "Format of tree elements.")
+(defcustom gnus-tree-line-format "%(%[%3,3n%]%)"
+ "Format of tree elements."
+ :type 'string
+ :group 'gnus-summary-tree)
-(defvar gnus-tree-minimize-window t
+(defcustom gnus-tree-minimize-window t
"If non-nil, minimize the tree buffer window.
If a number, never let the tree buffer grow taller than that number of
-lines.")
+lines."
+ :type '(choice boolean
+ integer)
+ :group 'gnus-summary-tree)
-(defvar gnus-selected-tree-face 'modeline
- "*Face used for highlighting selected articles in the thread tree.")
+(defcustom gnus-selected-tree-face 'modeline
+ "*Face used for highlighting selected articles in the thread tree."
+ :type 'face
+ :group 'gnus-summary-tree)
(defvar gnus-tree-brackets '((?\[ . ?\]) (?\( . ?\))
(?\{ . ?\}) (?< . ?>))
(defvar gnus-tree-parent-child-edges '(?- ?\\ ?|)
"Characters used to connect parents with children.")
-(defvar gnus-tree-mode-line-format "Gnus: %%b %S %Z"
- "*The format specification for the tree mode line.")
+(defcustom gnus-tree-mode-line-format "Gnus: %%b %S %Z"
+ "*The format specification for the tree mode line."
+ :type 'string
+ :group 'gnus-summary-tree)
-(defvar gnus-generate-tree-function 'gnus-generate-vertical-tree
+(defcustom gnus-generate-tree-function 'gnus-generate-vertical-tree
"*Function for generating a thread tree.
Two predefined functions are available:
-`gnus-generate-horizontal-tree' and `gnus-generate-vertical-tree'.")
+`gnus-generate-horizontal-tree' and `gnus-generate-vertical-tree'."
+ :type '(radio (function-item gnus-generate-vertical-tree)
+ (function-item gnus-generate-horizontal-tree)
+ (function :tag "Other" nil))
+ :group 'gnus-summary-tree)
-(defvar gnus-tree-mode-hook nil
- "*Hook run in tree mode buffers.")
+(defcustom gnus-tree-mode-hook nil
+ "*Hook run in tree mode buffers."
+ :type 'hook
+ :group 'gnus-summary-tree)
;;; Internal variables.
(defvar gnus-selected-tree-overlay nil)
(defvar gnus-tree-displayed-thread nil)
+(defvar gnus-tree-inhibit nil)
(defvar gnus-tree-mode-map nil)
(put 'gnus-tree-mode 'mode-class 'special)
(setq gnus-tree-mode-map (make-keymap))
(suppress-keymap gnus-tree-mode-map)
(gnus-define-keys
- gnus-tree-mode-map
- "\r" gnus-tree-select-article
- gnus-mouse-2 gnus-tree-pick-article
- "\C-?" gnus-tree-read-summary-keys
+ gnus-tree-mode-map
+ "\r" gnus-tree-select-article
+ gnus-mouse-2 gnus-tree-pick-article
+ "\C-?" gnus-tree-read-summary-keys
+ "h" gnus-tree-show-summary
- "\C-c\C-i" gnus-info-find-node)
+ "\C-c\C-i" gnus-info-find-node)
(substitute-key-definition
'undefined 'gnus-tree-read-summary-keys gnus-tree-mode-map))
(defun gnus-tree-mode ()
"Major mode for displaying thread trees."
(interactive)
- (setq gnus-tree-mode-line-format-spec
- (gnus-parse-format gnus-tree-mode-line-format
- gnus-summary-mode-line-format-alist))
- (setq gnus-tree-line-format-spec
- (gnus-parse-format gnus-tree-line-format
- gnus-tree-line-format-alist t))
+ (gnus-set-format 'tree-mode)
+ (gnus-set-format 'tree t)
(when (gnus-visual-p 'tree-menu 'menu)
(gnus-tree-make-menu-bar))
(kill-all-local-variables)
(setq mode-name "Tree")
(setq major-mode 'gnus-tree-mode)
(use-local-map gnus-tree-mode-map)
- (buffer-disable-undo (current-buffer))
+ (buffer-disable-undo)
(setq buffer-read-only t)
(setq truncate-lines t)
(save-excursion
(gnus-set-work-buffer)
(gnus-tree-node-insert (make-mail-header "") nil)
(setq gnus-tree-node-length (1- (point))))
- (run-hooks 'gnus-tree-mode-hook))
+ (gnus-run-hooks 'gnus-tree-mode-hook))
(defun gnus-tree-read-summary-keys (&optional arg)
"Read a summary buffer key sequence and execute it."
(interactive "P")
- (let ((buf (current-buffer))
- win)
- (gnus-article-read-summary-keys arg nil t)
- (when (setq win (get-buffer-window buf))
- (select-window win)
- (when gnus-selected-tree-overlay
- (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
- (gnus-tree-minimize))))
+ (unless gnus-tree-inhibit
+ (let ((buf (current-buffer))
+ (gnus-tree-inhibit t)
+ win)
+ (set-buffer gnus-article-buffer)
+ (gnus-article-read-summary-keys arg nil t)
+ (when (setq win (get-buffer-window buf))
+ (select-window win)
+ (when gnus-selected-tree-overlay
+ (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
+ (gnus-tree-minimize)))))
+
+(defun gnus-tree-show-summary ()
+ "Reconfigure windows to show summary buffer."
+ (interactive)
+ (if (not (gnus-buffer-live-p gnus-summary-buffer))
+ (error "There is no summary buffer for this tree buffer")
+ (gnus-configure-windows 'article)
+ (gnus-summary-goto-subject gnus-current-article)))
(defun gnus-tree-select-article (article)
"Select the article under point, if any."
(defun gnus-tree-article-region (article)
"Return a cons with BEG and END of the article region."
- (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
+ (let ((pos (text-property-any
+ (point-min) (point-max) 'gnus-number article)))
(when pos
(cons pos (next-single-property-change pos 'gnus-number)))))
(defun gnus-tree-goto-article (article)
- (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
+ (let ((pos (text-property-any
+ (point-min) (point-max) 'gnus-number article)))
(when pos
(goto-char pos))))
(defun gnus-get-tree-buffer ()
"Return the tree buffer properly initialized."
(save-excursion
- (set-buffer (get-buffer-create gnus-tree-buffer))
+ (set-buffer (gnus-get-buffer-create gnus-tree-buffer))
(unless (eq major-mode 'gnus-tree-mode)
- (gnus-add-current-to-buffer-list)
(gnus-tree-mode))
(current-buffer)))
(not (eval (caar list))))
(setq list (cdr list)))))
(unless (eq (setq face (cdar list)) (get-text-property beg 'face))
- (gnus-put-text-property
+ (gnus-put-text-property-excluding-characters-with-faces
beg end 'face
(if (boundp face) (symbol-value face) face)))))
"Generate a horizontal tree."
(let* ((dummy (stringp (car thread)))
(do (or dummy
- (memq (mail-header-number (car thread)) gnus-tmp-limit)))
+ (and (car thread)
+ (memq (mail-header-number (car thread))
+ gnus-tmp-limit))))
col beg)
(if (not do)
;; We don't want this article.
(while (progn
(forward-line -1)
(forward-char col)
- (= (following-char) ? ))
+ (eq (char-after) ? ))
(delete-char 1)
(insert (caddr gnus-tree-parent-child-edges)))
(goto-char beg)))
(delete-char -1)
(insert (cadr gnus-tree-parent-child-edges))
(setq beg (point))
+ (forward-char -1)
;; Draw "-" lines leftwards.
- (while (progn
- (unless (bolp)
- (forward-char -2))
- (= (following-char) ? ))
- (delete-char 1)
- (insert (car gnus-tree-parent-child-edges)))
+ (while (and (> (point) 1)
+ (eq (char-after (1- (point))) ? ))
+ (delete-char -1)
+ (insert (car gnus-tree-parent-child-edges))
+ (forward-char -1))
(goto-char beg)
(gnus-tree-forward-line 1)))
(setq dummyp nil)
(gnus-get-tree-buffer))
(defun gnus-tree-close (group)
- ;(gnus-kill-buffer gnus-tree-buffer)
- )
+ (gnus-kill-buffer gnus-tree-buffer))
(defun gnus-highlight-selected-tree (article)
"Highlight the selected article in the tree."
\\{gnus-carpal-mode-map}"
(interactive)
(kill-all-local-variables)
- (setq mode-line-modified "-- ")
+ (setq mode-line-modified (cdr gnus-mode-line-modified))
(setq major-mode 'gnus-carpal-mode)
(setq mode-name "Gnus Carpal")
(setq mode-line-process nil)
(use-local-map gnus-carpal-mode-map)
- (buffer-disable-undo (current-buffer))
+ (buffer-disable-undo)
(setq buffer-read-only t)
(make-local-variable 'gnus-carpal-attached-buffer)
- (run-hooks 'gnus-carpal-mode-hook))
+ (gnus-run-hooks 'gnus-carpal-mode-hook))
(defun gnus-carpal-setup-buffer (type)
(let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type)))))
(if (get-buffer buffer)
()
(save-excursion
- (set-buffer (get-buffer-create buffer))
+ (set-buffer (gnus-get-buffer-create buffer))
(gnus-carpal-mode)
(setq gnus-carpal-attached-buffer
(intern (format "gnus-%s-buffer" type)))
- (gnus-add-current-to-buffer-list)
(let ((buttons (symbol-value
(intern (format "gnus-carpal-%s-buffer-buttons"
type))))