;;; gnus-topic.el --- a folding minor mode for Gnus group buffers
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001
-;; Free Software Foundation, Inc.
+
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+;; 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Author: Ilja Weis <kult@uni-paderborn.de>
;; Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs 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 2, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
%g Number of groups in the topic.
%a Number of unread articles in the groups in the topic.
%A Number of unread articles in the groups in the topic and its subtopics.
-"
+
+General format specifiers can also be used.
+See Info node `(gnus)Formatting Variables'."
+ :link '(custom-manual "(gnus)Formatting Variables")
:type 'string
:group 'gnus-topic)
(defun gnus-group-topic-name ()
"The name of the topic on the current line."
- (let ((topic (get-text-property (gnus-point-at-bol) 'gnus-topic)))
+ (let ((topic (get-text-property (point-at-bol) 'gnus-topic)))
(and topic (symbol-name topic))))
(defun gnus-group-topic-level ()
"The level of the topic on the current line."
- (get-text-property (gnus-point-at-bol) 'gnus-topic-level))
+ (get-text-property (point-at-bol) 'gnus-topic-level))
(defun gnus-group-topic-unread ()
"The number of unread articles in topic on the current line."
- (get-text-property (gnus-point-at-bol) 'gnus-topic-unread))
+ (get-text-property (point-at-bol) 'gnus-topic-unread))
(defun gnus-topic-unread (topic)
"Return the number of unread articles in TOPIC."
(defun gnus-topic-visible-p ()
"Return non-nil if the current topic is visible."
- (get-text-property (gnus-point-at-bol) 'gnus-topic-visible))
+ (get-text-property (point-at-bol) 'gnus-topic-visible))
(defun gnus-topic-articles-in-topic (entries)
(let ((total 0)
(defun gnus-group-parent-topic (group)
"Return the topic GROUP is member of by looking at the group buffer."
- (save-excursion
- (set-buffer gnus-group-buffer)
+ (with-current-buffer gnus-group-buffer
(if (gnus-group-goto-group group)
(gnus-current-topic)
(gnus-group-topic group))))
(defun gnus-topic-jump-to-topic (topic)
"Go to TOPIC."
(interactive
- (list (completing-read "Go to topic: "
- (mapcar 'list (gnus-topic-list))
- nil t)))
- (dolist (topic (gnus-current-topics topic))
- (gnus-topic-fold t))
+ (list (gnus-completing-read "Go to topic" (gnus-topic-list) t)))
+ (let ((buffer-read-only nil))
+ (dolist (topic (gnus-current-topics topic))
+ (unless (gnus-topic-goto-topic topic)
+ (gnus-topic-goto-missing-topic topic)
+ (gnus-topic-display-missing-topic topic))))
(gnus-topic-goto-topic topic))
(defun gnus-current-topic ()
(defun gnus-group-active-topic-p ()
"Say whether the current topic comes from the active topics."
- (save-excursion
- (beginning-of-line)
- (get-text-property (point) 'gnus-active)))
+ (get-text-property (point-at-bol) 'gnus-active))
(defun gnus-topic-find-groups (topic &optional level all lowest recursive)
"Return entries for all visible groups in TOPIC.
If RECURSIVE is t, return groups in its subtopics too."
(let ((groups (cdr (assoc topic gnus-topic-alist)))
- info clevel unread group params visible-groups entry active)
+ info clevel unread group params visible-groups entry active)
(setq lowest (or lowest 1))
(setq level (or level gnus-level-unsubscribed))
;; We go through the newsrc to look for matches.
(while groups
(when (setq group (pop groups))
- (setq entry (gnus-gethash group gnus-newsrc-hashtb)
+ (setq entry (gnus-group-entry group)
info (nth 2 entry)
params (gnus-info-params info)
active (gnus-active group)
(when recursive
(if (eq recursive t)
(setq recursive (cdr (gnus-topic-find-topology topic))))
- (mapcar (lambda (topic-topology)
- (setq visible-groups
- (nconc visible-groups
- (gnus-topic-find-groups
- (caar topic-topology)
- level all lowest topic-topology))))
- (cdr recursive)))
+ (dolist (topic-topology (cdr recursive))
+ (setq visible-groups
+ (nconc visible-groups
+ (gnus-topic-find-groups
+ (caar topic-topology)
+ level all lowest topic-topology)))))
visible-groups))
+(defun gnus-topic-goto-previous-topic (n)
+ "Go to the N'th previous topic."
+ (interactive "p")
+ (gnus-topic-goto-next-topic (- n)))
+
+(defun gnus-topic-goto-next-topic (n)
+ "Go to the N'th next topic."
+ (interactive "p")
+ (let ((backward (< n 0))
+ (n (abs n))
+ (topic (gnus-current-topic)))
+ (while (and (> n 0)
+ (setq topic
+ (if backward
+ (gnus-topic-previous-topic topic)<
projects / gnus / blobdiff