mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-30 08:09:04 +00:00
709 lines
22 KiB
EmacsLisp
709 lines
22 KiB
EmacsLisp
;;; gnus-srvr.el --- virtual server support for Gnus
|
||
;; Copyright (C) 1995,96 Free Software Foundation, Inc.
|
||
|
||
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
|
||
;; Keywords: news
|
||
|
||
;; This file is part of GNU Emacs.
|
||
|
||
;; 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.
|
||
|
||
;; GNU Emacs is distributed in the hope that it will be useful,
|
||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;; 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.
|
||
|
||
;;; Commentary:
|
||
|
||
;;; Code:
|
||
|
||
(require 'gnus)
|
||
(eval-when-compile (require 'cl))
|
||
|
||
(defvar gnus-server-mode-hook nil
|
||
"Hook run in `gnus-server-mode' buffers.")
|
||
|
||
(defconst gnus-server-line-format " {%(%h:%w%)} %s\n"
|
||
"Format of server lines.
|
||
It works along the same lines as a normal formatting string,
|
||
with some simple extensions.")
|
||
|
||
(defvar gnus-server-mode-line-format "Gnus List of servers"
|
||
"The format specification for the server mode line.")
|
||
|
||
(defvar gnus-server-exit-hook nil
|
||
"*Hook run when exiting the server buffer.")
|
||
|
||
;;; Internal variables.
|
||
|
||
(defvar gnus-inserted-opened-servers nil)
|
||
|
||
(defvar gnus-server-line-format-alist
|
||
`((?h how ?s)
|
||
(?n name ?s)
|
||
(?w where ?s)
|
||
(?s status ?s)))
|
||
|
||
(defvar gnus-server-mode-line-format-alist
|
||
`((?S news-server ?s)
|
||
(?M news-method ?s)
|
||
(?u user-defined ?s)))
|
||
|
||
(defvar gnus-server-line-format-spec nil)
|
||
(defvar gnus-server-mode-line-format-spec nil)
|
||
(defvar gnus-server-killed-servers nil)
|
||
|
||
(defvar gnus-server-mode-map)
|
||
|
||
(defvar gnus-server-menu-hook nil
|
||
"*Hook run after the creation of the server mode menu.")
|
||
|
||
(defun gnus-server-make-menu-bar ()
|
||
(gnus-visual-turn-off-edit-menu 'server)
|
||
(unless (boundp 'gnus-server-server-menu)
|
||
(easy-menu-define
|
||
gnus-server-server-menu gnus-server-mode-map ""
|
||
'("Server"
|
||
["Add" gnus-server-add-server t]
|
||
["Browse" gnus-server-read-server t]
|
||
["List" gnus-server-list-servers t]
|
||
["Kill" gnus-server-kill-server t]
|
||
["Yank" gnus-server-yank-server t]
|
||
["Copy" gnus-server-copy-server t]
|
||
["Edit" gnus-server-edit-server t]
|
||
["Exit" gnus-server-exit t]
|
||
))
|
||
|
||
(easy-menu-define
|
||
gnus-server-connections-menu gnus-server-mode-map ""
|
||
'("Connections"
|
||
["Open" gnus-server-open-server t]
|
||
["Close" gnus-server-close-server t]
|
||
["Deny" gnus-server-deny-server t]
|
||
["Reset" gnus-server-remove-denials t]
|
||
))
|
||
|
||
(run-hooks 'gnus-server-menu-hook)))
|
||
|
||
(defvar gnus-server-mode-map nil)
|
||
(put 'gnus-server-mode 'mode-class 'special)
|
||
|
||
(unless gnus-server-mode-map
|
||
(setq gnus-server-mode-map (make-sparse-keymap))
|
||
(suppress-keymap gnus-server-mode-map)
|
||
|
||
(gnus-define-keys
|
||
gnus-server-mode-map
|
||
" " gnus-server-read-server
|
||
"\r" gnus-server-read-server
|
||
gnus-mouse-2 gnus-server-pick-server
|
||
"q" gnus-server-exit
|
||
"l" gnus-server-list-servers
|
||
"k" gnus-server-kill-server
|
||
"y" gnus-server-yank-server
|
||
"c" gnus-server-copy-server
|
||
"a" gnus-server-add-server
|
||
"e" gnus-server-edit-server
|
||
|
||
"O" gnus-server-open-server
|
||
"C" gnus-server-close-server
|
||
"D" gnus-server-deny-server
|
||
"R" gnus-server-remove-denials
|
||
|
||
"\C-c\C-i" gnus-info-find-node))
|
||
|
||
(defun gnus-server-mode ()
|
||
"Major mode for listing and editing servers.
|
||
|
||
All normal editing commands are switched off.
|
||
\\<gnus-server-mode-map>
|
||
For more in-depth information on this mode, read the manual
|
||
(`\\[gnus-info-find-node]').
|
||
|
||
The following commands are available:
|
||
|
||
\\{gnus-server-mode-map}"
|
||
(interactive)
|
||
(when (and menu-bar-mode
|
||
(gnus-visual-p 'server-menu 'menu))
|
||
(gnus-server-make-menu-bar))
|
||
(kill-all-local-variables)
|
||
(gnus-simplify-mode-line)
|
||
(setq major-mode 'gnus-server-mode)
|
||
(setq mode-name "Server")
|
||
; (gnus-group-set-mode-line)
|
||
(setq mode-line-process nil)
|
||
(use-local-map gnus-server-mode-map)
|
||
(buffer-disable-undo (current-buffer))
|
||
(setq truncate-lines t)
|
||
(setq buffer-read-only t)
|
||
(run-hooks 'gnus-server-mode-hook))
|
||
|
||
(defun gnus-server-insert-server-line (name method)
|
||
(let* ((how (car method))
|
||
(where (nth 1 method))
|
||
(elem (assoc method gnus-opened-servers))
|
||
(status (cond ((eq (nth 1 elem) 'denied)
|
||
"(denied)")
|
||
((or (gnus-server-opened method)
|
||
(eq (nth 1 elem) 'ok))
|
||
"(opened)")
|
||
(t
|
||
"(closed)"))))
|
||
(beginning-of-line)
|
||
(gnus-add-text-properties
|
||
(point)
|
||
(prog1 (1+ (point))
|
||
;; Insert the text.
|
||
(eval gnus-server-line-format-spec))
|
||
(list 'gnus-server (intern name)))))
|
||
|
||
(defun gnus-enter-server-buffer ()
|
||
"Set up the server buffer."
|
||
(gnus-server-setup-buffer)
|
||
(gnus-configure-windows 'server)
|
||
(gnus-server-prepare))
|
||
|
||
(defun gnus-server-setup-buffer ()
|
||
"Initialize the server buffer."
|
||
(unless (get-buffer gnus-server-buffer)
|
||
(save-excursion
|
||
(set-buffer (get-buffer-create gnus-server-buffer))
|
||
(gnus-server-mode)
|
||
(when gnus-carpal
|
||
(gnus-carpal-setup-buffer 'server)))))
|
||
|
||
(defun gnus-server-prepare ()
|
||
(setq gnus-server-mode-line-format-spec
|
||
(gnus-parse-format gnus-server-mode-line-format
|
||
gnus-server-mode-line-format-alist))
|
||
(setq gnus-server-line-format-spec
|
||
(gnus-parse-format gnus-server-line-format
|
||
gnus-server-line-format-alist t))
|
||
(let ((alist gnus-server-alist)
|
||
(buffer-read-only nil)
|
||
(opened gnus-opened-servers)
|
||
done server op-ser)
|
||
(erase-buffer)
|
||
(setq gnus-inserted-opened-servers nil)
|
||
;; First we do the real list of servers.
|
||
(while alist
|
||
(push (cdr (setq server (pop alist))) done)
|
||
(when (and server (car server) (cdr server))
|
||
(gnus-server-insert-server-line (car server) (cdr server))))
|
||
;; Then we insert the list of servers that have been opened in
|
||
;; this session.
|
||
(while opened
|
||
(unless (member (caar opened) done)
|
||
(gnus-server-insert-server-line
|
||
(setq op-ser (format "%s:%s" (caaar opened) (nth 1 (caar opened))))
|
||
(caar opened))
|
||
(push (list op-ser (caar opened)) gnus-inserted-opened-servers))
|
||
(setq opened (cdr opened))))
|
||
(goto-char (point-min))
|
||
(gnus-server-position-point))
|
||
|
||
(defun gnus-server-server-name ()
|
||
(let ((server (get-text-property (gnus-point-at-bol) 'gnus-server)))
|
||
(and server (symbol-name server))))
|
||
|
||
(defalias 'gnus-server-position-point 'gnus-goto-colon)
|
||
|
||
(defconst gnus-server-edit-buffer "*Gnus edit server*")
|
||
|
||
(defun gnus-server-update-server (server)
|
||
(save-excursion
|
||
(set-buffer gnus-server-buffer)
|
||
(let* ((buffer-read-only nil)
|
||
(entry (assoc server gnus-server-alist))
|
||
(oentry (assoc (gnus-server-to-method server)
|
||
gnus-opened-servers)))
|
||
(when entry
|
||
(gnus-dribble-enter
|
||
(concat "(gnus-server-set-info \"" server "\" '"
|
||
(prin1-to-string (cdr entry)) ")")))
|
||
(when (or entry oentry)
|
||
;; Buffer may be narrowed.
|
||
(save-restriction
|
||
(widen)
|
||
(when (gnus-server-goto-server server)
|
||
(gnus-delete-line))
|
||
(if entry
|
||
(gnus-server-insert-server-line (car entry) (cdr entry))
|
||
(gnus-server-insert-server-line
|
||
(format "%s:%s" (caar oentry) (nth 1 (car oentry)))
|
||
(car oentry)))
|
||
(gnus-server-position-point))))))
|
||
|
||
(defun gnus-server-set-info (server info)
|
||
;; Enter a select method into the virtual server alist.
|
||
(when (and server info)
|
||
(gnus-dribble-enter
|
||
(concat "(gnus-server-set-info \"" server "\" '"
|
||
(prin1-to-string info) ")"))
|
||
(let* ((server (nth 1 info))
|
||
(entry (assoc server gnus-server-alist)))
|
||
(if entry (setcdr entry info)
|
||
(setq gnus-server-alist
|
||
(nconc gnus-server-alist (list (cons server info))))))))
|
||
|
||
;;; Interactive server functions.
|
||
|
||
(defun gnus-server-kill-server (server)
|
||
"Kill the server on the current line."
|
||
(interactive (list (gnus-server-server-name)))
|
||
(unless (gnus-server-goto-server server)
|
||
(if server (error "No such server: %s" server)
|
||
(error "No server on the current line")))
|
||
(unless (assoc server gnus-server-alist)
|
||
(error "Read-only server %s" server))
|
||
(gnus-dribble-enter "")
|
||
(let ((buffer-read-only nil))
|
||
(gnus-delete-line))
|
||
(setq gnus-server-killed-servers
|
||
(cons (assoc server gnus-server-alist) gnus-server-killed-servers))
|
||
(setq gnus-server-alist (delq (car gnus-server-killed-servers)
|
||
gnus-server-alist))
|
||
(gnus-server-position-point))
|
||
|
||
(defun gnus-server-yank-server ()
|
||
"Yank the previously killed server."
|
||
(interactive)
|
||
(or gnus-server-killed-servers
|
||
(error "No killed servers to be yanked"))
|
||
(let ((alist gnus-server-alist)
|
||
(server (gnus-server-server-name))
|
||
(killed (car gnus-server-killed-servers)))
|
||
(if (not server)
|
||
(setq gnus-server-alist (nconc gnus-server-alist (list killed)))
|
||
(if (string= server (caar gnus-server-alist))
|
||
(setq gnus-server-alist (cons killed gnus-server-alist))
|
||
(while (and (cdr alist)
|
||
(not (string= server (caadr alist))))
|
||
(setq alist (cdr alist)))
|
||
(if alist
|
||
(setcdr alist (cons killed (cdr alist)))
|
||
(setq gnus-server-alist (list killed)))))
|
||
(gnus-server-update-server (car killed))
|
||
(setq gnus-server-killed-servers (cdr gnus-server-killed-servers))
|
||
(gnus-server-position-point)))
|
||
|
||
(defun gnus-server-exit ()
|
||
"Return to the group buffer."
|
||
(interactive)
|
||
(kill-buffer (current-buffer))
|
||
(switch-to-buffer gnus-group-buffer)
|
||
(run-hooks 'gnus-server-exit-hook))
|
||
|
||
(defun gnus-server-list-servers ()
|
||
"List all available servers."
|
||
(interactive)
|
||
(let ((cur (gnus-server-server-name)))
|
||
(gnus-server-prepare)
|
||
(if cur (gnus-server-goto-server cur)
|
||
(goto-char (point-max))
|
||
(forward-line -1))
|
||
(gnus-server-position-point)))
|
||
|
||
(defun gnus-server-set-status (method status)
|
||
"Make METHOD have STATUS."
|
||
(let ((entry (assoc method gnus-opened-servers)))
|
||
(if entry
|
||
(setcar (cdr entry) status)
|
||
(push (list method status) gnus-opened-servers))))
|
||
|
||
(defun gnus-opened-servers-remove (method)
|
||
"Remove METHOD from the list of opened servers."
|
||
(setq gnus-opened-servers (delq (assoc method gnus-opened-servers)
|
||
gnus-opened-servers)))
|
||
|
||
(defun gnus-server-open-server (server)
|
||
"Force an open of SERVER."
|
||
(interactive (list (gnus-server-server-name)))
|
||
(let ((method (gnus-server-to-method server)))
|
||
(or method (error "No such server: %s" server))
|
||
(gnus-server-set-status method 'ok)
|
||
(prog1
|
||
(or (gnus-open-server method)
|
||
(progn (message "Couldn't open %s" server) nil))
|
||
(gnus-server-update-server server)
|
||
(gnus-server-position-point))))
|
||
|
||
(defun gnus-server-close-server (server)
|
||
"Close SERVER."
|
||
(interactive (list (gnus-server-server-name)))
|
||
(let ((method (gnus-server-to-method server)))
|
||
(or method (error "No such server: %s" server))
|
||
(gnus-server-set-status method 'closed)
|
||
(prog1
|
||
(gnus-close-server method)
|
||
(gnus-server-update-server server)
|
||
(gnus-server-position-point))))
|
||
|
||
(defun gnus-server-deny-server (server)
|
||
"Make sure SERVER will never be attempted opened."
|
||
(interactive (list (gnus-server-server-name)))
|
||
(let ((method (gnus-server-to-method server)))
|
||
(or method (error "No such server: %s" server))
|
||
(gnus-server-set-status method 'denied))
|
||
(gnus-server-update-server server)
|
||
(gnus-server-position-point)
|
||
t)
|
||
|
||
(defun gnus-server-remove-denials ()
|
||
"Make all denied servers into closed servers."
|
||
(interactive)
|
||
(let ((servers gnus-opened-servers))
|
||
(while servers
|
||
(when (eq (nth 1 (car servers)) 'denied)
|
||
(setcar (nthcdr 1 (car servers)) 'closed))
|
||
(setq servers (cdr servers))))
|
||
(gnus-server-list-servers))
|
||
|
||
(defun gnus-server-copy-server (from to)
|
||
(interactive
|
||
(list
|
||
(or (gnus-server-server-name)
|
||
(error "No server on the current line"))
|
||
(read-string "Copy to: ")))
|
||
(or from (error "No server on current line"))
|
||
(or (and to (not (string= to ""))) (error "No name to copy to"))
|
||
(and (assoc to gnus-server-alist) (error "%s already exists" to))
|
||
(or (assoc from gnus-server-alist)
|
||
(error "%s: no such server" from))
|
||
(let ((to-entry (gnus-copy-sequence (assoc from gnus-server-alist))))
|
||
(setcar to-entry to)
|
||
(setcar (nthcdr 2 to-entry) to)
|
||
(setq gnus-server-killed-servers
|
||
(cons to-entry gnus-server-killed-servers))
|
||
(gnus-server-yank-server)))
|
||
|
||
(defun gnus-server-add-server (how where)
|
||
(interactive
|
||
(list (intern (completing-read "Server method: "
|
||
gnus-valid-select-methods nil t))
|
||
(read-string "Server name: ")))
|
||
(setq gnus-server-killed-servers
|
||
(cons (list where how where) gnus-server-killed-servers))
|
||
(gnus-server-yank-server))
|
||
|
||
(defun gnus-server-goto-server (server)
|
||
"Jump to a server line."
|
||
(interactive
|
||
(list (completing-read "Goto server: " gnus-server-alist nil t)))
|
||
(let ((to (text-property-any (point-min) (point-max)
|
||
'gnus-server (intern server))))
|
||
(and to
|
||
(progn
|
||
(goto-char to)
|
||
(gnus-server-position-point)))))
|
||
|
||
(defun gnus-server-edit-server (server)
|
||
"Edit the server on the current line."
|
||
(interactive (list (gnus-server-server-name)))
|
||
(unless server
|
||
(error "No server on current line"))
|
||
(unless (assoc server gnus-server-alist)
|
||
(error "This server can't be edited"))
|
||
(let ((winconf (current-window-configuration))
|
||
(info (cdr (assoc server gnus-server-alist))))
|
||
(gnus-close-server info)
|
||
(get-buffer-create gnus-server-edit-buffer)
|
||
(gnus-configure-windows 'edit-server)
|
||
(gnus-add-current-to-buffer-list)
|
||
(emacs-lisp-mode)
|
||
(make-local-variable 'gnus-prev-winconf)
|
||
(setq gnus-prev-winconf winconf)
|
||
(use-local-map (copy-keymap (current-local-map)))
|
||
(let ((done-func '(lambda ()
|
||
"Exit editing mode and update the information."
|
||
(interactive)
|
||
(gnus-server-edit-server-done 'group))))
|
||
(setcar (cdr (nth 4 done-func)) server)
|
||
(local-set-key "\C-c\C-c" done-func))
|
||
(erase-buffer)
|
||
(insert ";; Type `C-c C-c' after you have edited the server.\n\n")
|
||
(insert (pp-to-string info))))
|
||
|
||
(defun gnus-server-edit-server-done (server)
|
||
(interactive)
|
||
(set-buffer (get-buffer-create gnus-server-edit-buffer))
|
||
(goto-char (point-min))
|
||
(let ((form (read (current-buffer)))
|
||
(winconf gnus-prev-winconf))
|
||
(gnus-server-set-info server form)
|
||
(kill-buffer (current-buffer))
|
||
(and winconf (set-window-configuration winconf))
|
||
(set-buffer gnus-server-buffer)
|
||
(gnus-server-update-server server)
|
||
(gnus-server-list-servers)
|
||
(gnus-server-position-point)))
|
||
|
||
(defun gnus-server-read-server (server)
|
||
"Browse a server."
|
||
(interactive (list (gnus-server-server-name)))
|
||
(let ((buf (current-buffer)))
|
||
(prog1
|
||
(gnus-browse-foreign-server (gnus-server-to-method server) buf)
|
||
(save-excursion
|
||
(set-buffer buf)
|
||
(gnus-server-update-server (gnus-server-server-name))
|
||
(gnus-server-position-point)))))
|
||
|
||
(defun gnus-server-pick-server (e)
|
||
(interactive "e")
|
||
(mouse-set-point e)
|
||
(gnus-server-read-server (gnus-server-server-name)))
|
||
|
||
|
||
;;;
|
||
;;; Browse Server Mode
|
||
;;;
|
||
|
||
(defvar gnus-browse-menu-hook nil
|
||
"*Hook run after the creation of the browse mode menu.")
|
||
|
||
(defvar gnus-browse-mode-hook nil)
|
||
(defvar gnus-browse-mode-map nil)
|
||
(put 'gnus-browse-mode 'mode-class 'special)
|
||
|
||
(unless gnus-browse-mode-map
|
||
(setq gnus-browse-mode-map (make-keymap))
|
||
(suppress-keymap gnus-browse-mode-map)
|
||
|
||
(gnus-define-keys
|
||
gnus-browse-mode-map
|
||
" " gnus-browse-read-group
|
||
"=" gnus-browse-select-group
|
||
"n" gnus-browse-next-group
|
||
"p" gnus-browse-prev-group
|
||
"\177" gnus-browse-prev-group
|
||
"N" gnus-browse-next-group
|
||
"P" gnus-browse-prev-group
|
||
"\M-n" gnus-browse-next-group
|
||
"\M-p" gnus-browse-prev-group
|
||
"\r" gnus-browse-select-group
|
||
"u" gnus-browse-unsubscribe-current-group
|
||
"l" gnus-browse-exit
|
||
"L" gnus-browse-exit
|
||
"q" gnus-browse-exit
|
||
"Q" gnus-browse-exit
|
||
"\C-c\C-c" gnus-browse-exit
|
||
"?" gnus-browse-describe-briefly
|
||
|
||
"\C-c\C-i" gnus-info-find-node))
|
||
|
||
(defun gnus-browse-make-menu-bar ()
|
||
(gnus-visual-turn-off-edit-menu 'browse)
|
||
(or
|
||
(boundp 'gnus-browse-menu)
|
||
(progn
|
||
(easy-menu-define
|
||
gnus-browse-menu gnus-browse-mode-map ""
|
||
'("Browse"
|
||
["Subscribe" gnus-browse-unsubscribe-current-group t]
|
||
["Read" gnus-browse-read-group t]
|
||
["Select" gnus-browse-read-group t]
|
||
["Next" gnus-browse-next-group t]
|
||
["Prev" gnus-browse-next-group t]
|
||
["Exit" gnus-browse-exit t]
|
||
))
|
||
(run-hooks 'gnus-browse-menu-hook))))
|
||
|
||
(defvar gnus-browse-current-method nil)
|
||
(defvar gnus-browse-return-buffer nil)
|
||
|
||
(defvar gnus-browse-buffer "*Gnus Browse Server*")
|
||
|
||
(defun gnus-browse-foreign-server (method &optional return-buffer)
|
||
"Browse the server METHOD."
|
||
(setq gnus-browse-current-method method)
|
||
(setq gnus-browse-return-buffer return-buffer)
|
||
(let ((gnus-select-method method)
|
||
groups group)
|
||
(gnus-message 5 "Connecting to %s..." (nth 1 method))
|
||
(cond
|
||
((not (gnus-check-server method))
|
||
(gnus-message
|
||
1 "Unable to contact server: %s" (gnus-status-message method))
|
||
nil)
|
||
((not (gnus-request-list method))
|
||
(gnus-message
|
||
1 "Couldn't request list: %s" (gnus-status-message method))
|
||
nil)
|
||
(t
|
||
(get-buffer-create gnus-browse-buffer)
|
||
(gnus-add-current-to-buffer-list)
|
||
(and gnus-carpal (gnus-carpal-setup-buffer 'browse))
|
||
(gnus-configure-windows 'browse)
|
||
(buffer-disable-undo (current-buffer))
|
||
(let ((buffer-read-only nil))
|
||
(erase-buffer))
|
||
(gnus-browse-mode)
|
||
(setq mode-line-buffer-identification
|
||
(list
|
||
(format
|
||
"Gnus: %%b {%s:%s}" (car method) (cadr method))))
|
||
(save-excursion
|
||
(set-buffer nntp-server-buffer)
|
||
(let ((cur (current-buffer)))
|
||
(goto-char (point-min))
|
||
(or (string= gnus-ignored-newsgroups "")
|
||
(delete-matching-lines gnus-ignored-newsgroups))
|
||
(while (re-search-forward
|
||
"\\(^[^ \t]+\\)[ \t]+[0-9]+[ \t]+[0-9]+" nil t)
|
||
(goto-char (match-end 1))
|
||
(setq groups (cons (cons (match-string 1)
|
||
(max 0 (- (1+ (read cur)) (read cur))))
|
||
groups)))))
|
||
(setq groups (sort groups
|
||
(lambda (l1 l2)
|
||
(string< (car l1) (car l2)))))
|
||
(let ((buffer-read-only nil))
|
||
(while groups
|
||
(setq group (car groups))
|
||
(insert
|
||
(format "K%7d: %s\n" (cdr group) (car group)))
|
||
(setq groups (cdr groups))))
|
||
(switch-to-buffer (current-buffer))
|
||
(goto-char (point-min))
|
||
(gnus-group-position-point)
|
||
(gnus-message 5 "Connecting to %s...done" (nth 1 method))
|
||
t))))
|
||
|
||
(defun gnus-browse-mode ()
|
||
"Major mode for browsing a foreign server.
|
||
|
||
All normal editing commands are switched off.
|
||
|
||
\\<gnus-browse-mode-map>
|
||
The only things you can do in this buffer is
|
||
|
||
1) `\\[gnus-browse-unsubscribe-current-group]' to subscribe to a group.
|
||
The group will be inserted into the group buffer upon exit from this
|
||
buffer.
|
||
|
||
2) `\\[gnus-browse-read-group]' to read a group ephemerally.
|
||
|
||
3) `\\[gnus-browse-exit]' to return to the group buffer."
|
||
(interactive)
|
||
(kill-all-local-variables)
|
||
(when (and menu-bar-mode
|
||
(gnus-visual-p 'browse-menu 'menu))
|
||
(gnus-browse-make-menu-bar))
|
||
(gnus-simplify-mode-line)
|
||
(setq major-mode 'gnus-browse-mode)
|
||
(setq mode-name "Browse Server")
|
||
(setq mode-line-process nil)
|
||
(use-local-map gnus-browse-mode-map)
|
||
(buffer-disable-undo (current-buffer))
|
||
(setq truncate-lines t)
|
||
(setq buffer-read-only t)
|
||
(run-hooks 'gnus-browse-mode-hook))
|
||
|
||
(defun gnus-browse-read-group (&optional no-article)
|
||
"Enter the group at the current line."
|
||
(interactive)
|
||
(let ((group (gnus-browse-group-name)))
|
||
(or (gnus-group-read-ephemeral-group
|
||
group gnus-browse-current-method nil
|
||
(cons (current-buffer) 'browse))
|
||
(error "Couldn't enter %s" group))))
|
||
|
||
(defun gnus-browse-select-group ()
|
||
"Select the current group."
|
||
(interactive)
|
||
(gnus-browse-read-group 'no))
|
||
|
||
(defun gnus-browse-next-group (n)
|
||
"Go to the next group."
|
||
(interactive "p")
|
||
(prog1
|
||
(forward-line n)
|
||
(gnus-group-position-point)))
|
||
|
||
(defun gnus-browse-prev-group (n)
|
||
"Go to the next group."
|
||
(interactive "p")
|
||
(gnus-browse-next-group (- n)))
|
||
|
||
(defun gnus-browse-unsubscribe-current-group (arg)
|
||
"(Un)subscribe to the next ARG groups."
|
||
(interactive "p")
|
||
(when (eobp)
|
||
(error "No group at current line."))
|
||
(let ((ward (if (< arg 0) -1 1))
|
||
(arg (abs arg)))
|
||
(while (and (> arg 0)
|
||
(not (eobp))
|
||
(gnus-browse-unsubscribe-group)
|
||
(zerop (gnus-browse-next-group ward)))
|
||
(decf arg))
|
||
(gnus-group-position-point)
|
||
(if (/= 0 arg) (gnus-message 7 "No more newsgroups"))
|
||
arg))
|
||
|
||
(defun gnus-browse-group-name ()
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(when (re-search-forward ": \\(.*\\)$" (gnus-point-at-eol) t)
|
||
(gnus-group-prefixed-name (match-string 1) gnus-browse-current-method))))
|
||
|
||
(defun gnus-browse-unsubscribe-group ()
|
||
"Toggle subscription of the current group in the browse buffer."
|
||
(let ((sub nil)
|
||
(buffer-read-only nil)
|
||
group)
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
;; If this group it killed, then we want to subscribe it.
|
||
(if (= (following-char) ?K) (setq sub t))
|
||
(setq group (gnus-browse-group-name))
|
||
(delete-char 1)
|
||
(if sub
|
||
(progn
|
||
(gnus-group-change-level
|
||
(list t group gnus-level-default-subscribed
|
||
nil nil gnus-browse-current-method)
|
||
gnus-level-default-subscribed gnus-level-killed
|
||
(and (car (nth 1 gnus-newsrc-alist))
|
||
(gnus-gethash (car (nth 1 gnus-newsrc-alist))
|
||
gnus-newsrc-hashtb))
|
||
t)
|
||
(insert ? ))
|
||
(gnus-group-change-level
|
||
group gnus-level-killed gnus-level-default-subscribed)
|
||
(insert ?K)))
|
||
t))
|
||
|
||
(defun gnus-browse-exit ()
|
||
"Quit browsing and return to the group buffer."
|
||
(interactive)
|
||
(when (eq major-mode 'gnus-browse-mode)
|
||
(kill-buffer (current-buffer)))
|
||
;; Insert the newly subscribed groups in the group buffer.
|
||
(save-excursion
|
||
(set-buffer gnus-group-buffer)
|
||
(gnus-group-list-groups nil))
|
||
(if gnus-browse-return-buffer
|
||
(gnus-configure-windows 'server 'force)
|
||
(gnus-configure-windows 'group 'force)))
|
||
|
||
(defun gnus-browse-describe-briefly ()
|
||
"Give a one line description of the group mode commands."
|
||
(interactive)
|
||
(gnus-message 6
|
||
(substitute-command-keys "\\<gnus-browse-mode-map>\\[gnus-group-next-group]:Forward \\[gnus-group-prev-group]:Backward \\[gnus-browse-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-browse-describe-briefly]:This help")))
|
||
|
||
(provide 'gnus-srvr)
|
||
|
||
;;; gnus-srvr.el ends here.
|