X-Git-Url: http://cgit.sxemacs.org/?p=gnus;a=blobdiff_plain;f=lisp%2Fgnus-topic.el;h=656ef80cc63ab2a1cec049898ddabd76b97d1c9d;hp=714bc6c7c4c578c1ba8da1fe83a2ba639f2af1e3;hb=203e67f6f9c3b7a6948a3d83796345919e9cf1f7;hpb=48f15755c484de2e4b8b1c89cd3590455e791f72 diff --git a/lisp/gnus-topic.el b/lisp/gnus-topic.el index 714bc6c7c..656ef80cc 100644 --- a/lisp/gnus-topic.el +++ b/lisp/gnus-topic.el @@ -1,6 +1,6 @@ ;;; gnus-topic.el --- a folding minor mode for Gnus group buffers -;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 -;; Free Software Foundation, Inc. + +;; Copyright (C) 1995-2015 Free Software Foundation, Inc. ;; Author: Ilja Weis ;; Lars Magne Ingebrigtsen @@ -8,10 +8,10 @@ ;; 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 @@ -19,9 +19,7 @@ ;; 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 . ;;; Commentary: @@ -147,14 +145,6 @@ See Info node `(gnus)Formatting Variables'." (setq alist (cdr alist))) out)) -(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) - (if (gnus-group-goto-group group) - (gnus-current-topic) - (gnus-group-topic group)))) - (defun gnus-topic-goto-topic (topic) (when topic (gnus-goto-char (text-property-any (point-min) (point-max) @@ -163,12 +153,12 @@ See Info node `(gnus)Formatting Variables'." (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-goto-topic topic) - (gnus-topic-fold t)) + (list (gnus-completing-read "Go to topic" (gnus-topic-list) t))) + (let ((inhibit-read-only t)) + (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 () @@ -241,13 +231,12 @@ If RECURSIVE is t, return groups in its subtopics too." (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) @@ -348,7 +337,7 @@ If RECURSIVE is t, return groups in its subtopics too." (setq topology gnus-topic-topology gnus-tmp-topics nil)) (push (caar topology) gnus-tmp-topics) - (mapcar 'gnus-topic-list (cdr topology)) + (mapc 'gnus-topic-list (cdr topology)) gnus-tmp-topics) ;;; Topic parameter jazz @@ -375,39 +364,50 @@ If RECURSIVE is t, return groups in its subtopics too." (format "(gnus-topic-set-parameters %S '%S)" topic parameters)))) (defun gnus-group-topic-parameters (group) - "Compute the group parameters for GROUP taking into account inheritance from topics." + "Compute the group parameters for GROUP in topic mode. +Possibly inherit parameters from topics above GROUP." (let ((params-list (copy-sequence (gnus-group-get-parameter group)))) (save-excursion - (nconc params-list - (gnus-topic-hierarchical-parameters - ;; First we try to go to the group within the group - ;; buffer and find the topic for the group that way. - ;; This hopefully copes well with groups that are in - ;; more than one topic. Failing that (i.e. when the - ;; group isn't visible in the group buffer) we find a - ;; topic for the group via gnus-group-topic. - (or (and (gnus-group-goto-group group) - (gnus-current-topic)) - (gnus-group-topic group))))))) - -(defun gnus-topic-hierarchical-parameters (topic) - "Return a topic list computed for TOPIC." - (let ((topics (gnus-current-topics topic)) - params-list param out params) - (while topics - (push (gnus-topic-parameters (pop topics)) params-list)) - ;; We probably have lots of nil elements here, so - ;; we remove them. Probably faster than doing this "properly". - (setq params-list (delq nil params-list)) + (gnus-topic-hierarchical-parameters + ;; First we try to go to the group within the group buffer and find the + ;; topic for the group that way. This hopefully copes well with groups + ;; that are in more than one topic. Failing that (i.e. when the group + ;; isn't visible in the group buffer) we find a topic for the group via + ;; gnus-group-topic. + (or (and (gnus-group-goto-group group) + (gnus-current-topic)) + (gnus-group-topic group)) + params-list)))) + +(defun gnus-topic-hierarchical-parameters (topic &optional group-params-list) + "Compute the topic parameters for TOPIC. +Possibly inherit parameters from topics above TOPIC. +If optional argument GROUP-PARAMS-LIST is non-nil, use it as the basis for +inheritance." + (let ((params-list + ;; We probably have lots of nil elements here, so we remove them. + ;; Probably faster than doing this "properly". + (delq nil (cons group-params-list + (mapcar 'gnus-topic-parameters + (gnus-current-topics topic))))) + param out params) ;; Now we have all the parameters, so we go through them ;; and do inheritance in the obvious way. - (while (setq params (pop params-list)) - (while (setq param (pop params)) - (when (atom param) - (setq param (cons param t))) - ;; Override any old versions of this param. - (gnus-pull (car param) out) - (push param out))) + (let (posting-style) + (while (setq params (pop params-list)) + (while (setq param (pop params)) + (when (atom param) + (setq param (cons param t))) + (cond ((eq (car param) 'posting-style) + (let ((param (cdr param)) + elt) + (while (setq elt (pop param)) + (unless (assoc (car elt) posting-style) + (push elt posting-style))))) + (t + (unless (assq (car param) out) + (push param out)))))) + (and posting-style (push (cons 'posting-style posting-style) out))) ;; Return the resulting parameter list. out)) @@ -423,18 +423,18 @@ If RECURSIVE is t, return groups in its subtopics too." regexp list-topic topic-level) "List all newsgroups with unread articles of level LEVEL or lower. Use the `gnus-group-topics' to sort the groups. -If PREDICTE is a function, list groups that the function returns non-nil; +If PREDICATE is a function, list groups that the function returns non-nil; if it is t, list groups that have no unread articles. If LOWEST is non-nil, list all newsgroups of level LOWEST or higher." (set-buffer gnus-group-buffer) - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (lowest (or lowest 1)) (not-in-list (and gnus-group-listed-groups (copy-sequence gnus-group-listed-groups)))) (gnus-update-format-specifications nil 'topic) - + (when (or (not gnus-topic-alist) (not gnus-topology-checked-p)) (gnus-topic-check-topology)) @@ -575,13 +575,14 @@ articles in the topic and its subtopics." (or gnus-topic-display-empty-topics ;We want empty topics (not (zerop unread)) ;Non-empty tick ;Ticked articles - (/= point-max (point-max)))) ;Unactivated groups + (/= point-max (point-max)))) ;Inactive groups (gnus-extent-start-open (point)) (gnus-topic-insert-topic-line (car type) visiblep (not (eq (nth 2 type) 'hidden)) level all-entries unread)) (gnus-topic-update-unreads (car type) unread) + (gnus-group--setup-tool-bar-update beg end) (goto-char end) unread)) @@ -679,7 +680,7 @@ articles in the topic and its subtopics." gnus-topic-mode) (let ((group (gnus-group-group-name)) (m (point-marker)) - (buffer-read-only nil)) + (inhibit-read-only t)) (when (and group (gnus-get-info group) (gnus-topic-goto-topic (gnus-current-topic))) @@ -719,6 +720,9 @@ articles in the topic and its subtopics." (not (gnus-topic-goto-missing-topic (caadr parent)))) (gnus-topic-display-missing-topic (caadr parent)))) (gnus-topic-goto-missing-topic topic) + ;; Skip past all groups in the topic we're in. + (while (gnus-group-group-name) + (forward-line 1)) (let* ((top (gnus-topic-find-topology topic)) (children (cddr top)) (type (cadr top)) @@ -840,8 +844,7 @@ articles in the topic and its subtopics." (pop topics))) ;; Go through all living groups and make sure that ;; they belong to some topic. - (let* ((tgroups (apply 'append (mapcar (lambda (entry) (cdr entry)) - gnus-topic-alist))) + (let* ((tgroups (apply 'append (mapcar 'cdr gnus-topic-alist))) (entry (last (assoc (caar gnus-topic-topology) gnus-topic-alist))) (newsrc (cdr gnus-newsrc-alist)) group) @@ -894,9 +897,8 @@ articles in the topic and its subtopics." (defun gnus-topic-change-level (group level oldlevel &optional previous) "Run when changing levels to enter/remove groups from topics." - (save-excursion - (set-buffer gnus-group-buffer) - (let ((buffer-read-only nil)) + (with-current-buffer gnus-group-buffer + (let ((inhibit-read-only t)) (unless gnus-topic-inhibit-change-level (gnus-group-goto-group (or (car (nth 2 previous)) group)) (when (and gnus-topic-mode @@ -956,12 +958,15 @@ articles in the topic and its subtopics." (if (not group) (if (not (memq 'gnus-topic props)) (goto-char (point-max)) - (gnus-topic-goto-topic (symbol-name (cadr (memq 'gnus-topic props))))) + (let ((topic (symbol-name (cadr (memq 'gnus-topic props))))) + (or (gnus-topic-goto-topic topic) + (gnus-topic-goto-topic (gnus-topic-next-topic topic))))) (if (gnus-group-goto-group group) t ;; The group is no longer visible. (let* ((list (assoc (gnus-group-topic group) gnus-topic-alist)) - (after (cdr (member group (cdr list))))) + (topic-visible (save-excursion (gnus-topic-goto-topic (car list)))) + (after (and topic-visible (cdr (member group (cdr list)))))) ;; First try to put point on a group after the current one. (while (and after (not (gnus-group-goto-group (car after)))) @@ -976,7 +981,9 @@ articles in the topic and its subtopics." (if (not (car list)) (goto-char (point-min)) (unless after - (gnus-topic-goto-topic (car list)) + (if topic-visible + (gnus-goto-char topic-visible) + (gnus-topic-goto-topic (gnus-topic-next-topic (car list)))) (setq after nil))) t)))) @@ -1120,24 +1127,17 @@ articles in the topic and its subtopics." ["Edit parameters" gnus-topic-edit-parameters t]) ["List active" gnus-topic-list-active t])))) -(defun gnus-topic-mode (&optional arg redisplay) +(define-minor-mode gnus-topic-mode "Minor mode for topicsifying Gnus group buffers." - (interactive (list current-prefix-arg t)) - (when (eq major-mode 'gnus-group-mode) - (make-local-variable 'gnus-topic-mode) - (setq gnus-topic-mode - (if (null arg) (not gnus-topic-mode) - (> (prefix-numeric-value arg) 0))) + :lighter " Topic" :keymap gnus-topic-mode-map + (if (not (derived-mode-p 'gnus-group-mode)) + (setq gnus-topic-mode nil) ;; Infest Gnus with topics. (if (not gnus-topic-mode) (setq gnus-goto-missing-group-function nil) (when (gnus-visual-p 'topic-menu 'menu) (gnus-topic-make-menu-bar)) (gnus-set-format 'topic t) - (add-minor-mode 'gnus-topic-mode " Topic" - gnus-topic-mode-map nil (lambda (&rest junk) - (interactive) - (gnus-topic-mode nil t))) (add-hook 'gnus-group-catchup-group-hook 'gnus-topic-update-topic) (set (make-local-variable 'gnus-group-prepare-function) 'gnus-group-prepare-topics) @@ -1159,8 +1159,7 @@ articles in the topic and its subtopics." (setq gnus-topology-checked-p nil) ;; We check the topology. (when gnus-newsrc-alist - (gnus-topic-check-topology)) - (gnus-run-hooks 'gnus-topic-mode-hook)) + (gnus-topic-check-topology))) ;; Remove topic infestation. (unless gnus-topic-mode (remove-hook 'gnus-summary-exit-hook 'gnus-topic-update-topic) @@ -1168,7 +1167,7 @@ articles in the topic and its subtopics." (remove-hook 'gnus-check-bogus-groups-hook 'gnus-topic-clean-alist) (setq gnus-group-prepare-function 'gnus-group-prepare-flat) (setq gnus-group-sort-alist-function 'gnus-group-sort-flat)) - (when redisplay + (when (gmm-called-interactively-p 'any) (gnus-group-list-groups)))) (defun gnus-topic-select-group (&optional all) @@ -1176,7 +1175,10 @@ articles in the topic and its subtopics." No article is selected automatically. If the group is opened, just switch the summary buffer. If ALL is non-nil, already read articles become readable. -If ALL is a number, fetch this number of articles. + +If ALL is a positive number, fetch this number of the latest +articles in the group. If ALL is a negative number, fetch this +number of the earliest articles in the group. If performed over a topic line, toggle folding the topic." (interactive "P") @@ -1217,10 +1219,10 @@ Also see `gnus-group-catchup'." (call-interactively 'gnus-group-catchup-current) (save-excursion (let* ((groups - (mapcar (lambda (entry) (car (nth 2 entry))) - (gnus-topic-find-groups topic gnus-level-killed t - nil t))) - (buffer-read-only nil) + (mapcar (lambda (entry) (car (nth 2 entry))) + (gnus-topic-find-groups topic gnus-level-killed t + nil t))) + (inhibit-read-only t) (gnus-group-marked groups)) (gnus-group-catchup-current) (mapcar 'gnus-topic-update-topics-containing-group groups))))) @@ -1228,13 +1230,20 @@ Also see `gnus-group-catchup'." (defun gnus-topic-read-group (&optional all no-article group) "Read news in this newsgroup. If the prefix argument ALL is non-nil, already read articles become -readable. IF ALL is a number, fetch this number of articles. If the -optional argument NO-ARTICLE is non-nil, no article will be -auto-selected upon group entry. If GROUP is non-nil, fetch that -group. +readable. + +If ALL is a positive number, fetch this number of the latest +articles in the group. If ALL is a negative number, fetch this +number of the earliest articles in the group. + +If the optional argument NO-ARTICLE is non-nil, no article will +be auto-selected upon group entry. If GROUP is non-nil, fetch +that group. If performed over a topic line, toggle folding the topic." (interactive "P") + (when (and (eobp) (not (gnus-group-group-name))) + (forward-line -1)) (if (gnus-group-topic-p) (let ((gnus-group-list-mode (if all (cons (if (numberp all) all 7) t) gnus-group-list-mode))) @@ -1276,13 +1285,15 @@ When used interactively, PARENT will be the topic under point." ;; 2. Can't process on several marked groups with a same name, ;; because gnus-group-marked only keeps one copy. +(defvar gnus-topic-history nil) + (defun gnus-topic-move-group (n topic &optional copyp) "Move the next N groups to TOPIC. If COPYP, copy the groups instead." (interactive (list current-prefix-arg - (gnus-completing-read "Move to topic" gnus-topic-alist nil t - 'gnus-topic-history))) + (gnus-completing-read "Move to topic" (mapcar 'car gnus-topic-alist) t + nil 'gnus-topic-history))) (let ((use-marked (and (not n) (not (gnus-region-active-p)) gnus-group-marked t)) (groups (gnus-group-process-prefix n)) @@ -1292,15 +1303,13 @@ If COPYP, copy the groups instead." entry) (if (and (not groups) (not copyp) start-topic) (gnus-topic-move start-topic topic) - (mapcar - (lambda (g) - (gnus-group-remove-mark g use-marked) - (when (and - (setq entry (assoc (gnus-current-topic) gnus-topic-alist)) - (not copyp)) - (setcdr entry (gnus-delete-first g (cdr entry)))) - (nconc topicl (list g))) - groups) + (dolist (g groups) + (gnus-group-remove-mark g use-marked) + (when (and + (setq entry (assoc (gnus-current-topic) gnus-topic-alist)) + (not copyp)) + (setcdr entry (gnus-delete-first g (cdr entry)))) + (nconc topicl (list g))) (gnus-topic-enter-dribble) (if start-group (gnus-group-goto-group start-group) @@ -1313,11 +1322,11 @@ If COPYP, copy the groups instead." (let ((use-marked (and (not n) (not (gnus-region-active-p)) gnus-group-marked t)) (groups (gnus-group-process-prefix n))) - (mapcar + (mapc (lambda (group) (gnus-group-remove-mark group use-marked) (let ((topicl (assoc (gnus-current-topic) gnus-topic-alist)) - (buffer-read-only nil)) + (inhibit-read-only t)) (when (and topicl group) (gnus-delete-line) (gnus-delete-first group topicl)) @@ -1330,7 +1339,8 @@ If COPYP, copy the groups instead." "Copy the current group to a topic." (interactive (list current-prefix-arg - (completing-read "Copy to topic: " gnus-topic-alist nil t))) + (gnus-completing-read + "Copy to topic" (mapcar 'car gnus-topic-alist) t))) (gnus-topic-move-group n topic t)) (defun gnus-topic-kill-group (&optional n discard) @@ -1423,7 +1433,8 @@ If PERMANENT, make it stay shown in subsequent sessions as well." (gnus-topic-remove-topic t nil) (let ((topic (gnus-topic-find-topology - (completing-read "Show topic: " gnus-topic-alist nil t)))) + (gnus-completing-read "Show topic" + (mapcar 'car gnus-topic-alist) t)))) (setcar (cddr (cadr topic)) nil) (setcar (cdr (cadr topic)) 'visible) (gnus-group-list-groups))))) @@ -1471,7 +1482,8 @@ If NON-RECURSIVE (which is the prefix) is t, don't unmark its subtopics." (let (topic) (nreverse (list - (setq topic (completing-read "Move to topic: " gnus-topic-alist nil t)) + (setq topic (gnus-completing-read "Move to topic" + (mapcar 'car gnus-topic-alist) t)) (read-string (format "Move to %s (regexp): " topic)))))) (gnus-group-mark-regexp regexp) (gnus-topic-move-group nil topic copyp)) @@ -1482,7 +1494,8 @@ If NON-RECURSIVE (which is the prefix) is t, don't unmark its subtopics." (let (topic) (nreverse (list - (setq topic (completing-read "Copy to topic: " gnus-topic-alist nil t)) + (setq topic (gnus-completing-read "Copy to topic" + (mapcar 'car gnus-topic-alist) t)) (read-string (format "Copy to %s (regexp): " topic)))))) (gnus-topic-move-matching regexp topic t)) @@ -1492,7 +1505,7 @@ If NON-RECURSIVE (which is the prefix) is t, don't unmark its subtopics." (unless topic (error "No topic to be deleted")) (let ((entry (assoc topic gnus-topic-alist)) - (buffer-read-only nil)) + (inhibit-read-only t)) (when (cdr entry) (error "Topic not empty")) ;; Delete if visible. @@ -1537,7 +1550,7 @@ If UNINDENT, remove an indentation." (gnus-topic-unindent) (let* ((topic (gnus-current-topic)) (parent (gnus-topic-previous-topic topic)) - (buffer-read-only nil)) + (inhibit-read-only t)) (unless parent (error "Nothing to indent %s into" topic)) (when topic @@ -1703,8 +1716,9 @@ If REVERSE, sort in reverse order." "Sort topics in TOPIC alphabetically by topic name. If REVERSE, reverse the sorting order." (interactive - (list (completing-read "Sort topics in : " gnus-topic-alist nil t - (gnus-current-topic)) + (list (gnus-completing-read "Sort topics in" + (mapcar 'car gnus-topic-alist) t + (gnus-current-topic)) current-prefix-arg)) (let ((topic-topology (or (and topic (cdr (gnus-topic-find-topology topic))) gnus-topic-topology))) @@ -1718,7 +1732,7 @@ If REVERSE, reverse the sorting order." (interactive (list (gnus-group-topic-name) - (completing-read "Move to topic: " gnus-topic-alist nil t))) + (gnus-completing-read "Move to topic" (mapcar 'car gnus-topic-alist) t))) (unless (and current to) (error "Can't find topic")) (let ((current-top (cdr (gnus-topic-find-topology current))) @@ -1730,9 +1744,7 @@ If REVERSE, reverse the sorting order." (if (gnus-topic-find-topology to current-top 0);; Don't care the level (error "Can't move `%s' to its sub-level" current)) (gnus-topic-find-topology current nil nil 'delete) - (while (cdr to-top) - (setq to-top (cdr to-top))) - (setcdr to-top (list current-top)) + (setcdr (last to-top) (list current-top)) (gnus-topic-enter-dribble) (gnus-group-list-groups) (gnus-topic-goto-topic current)))