;;; gnus-draft.el --- draft message support for Gnus -*- lexical-binding: t; -*- ;; Copyright (C) 1997-2024 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen ;; 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 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 ;; 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. If not, see . ;;; Commentary: ;;; Code: (require 'gnus) (require 'gnus-sum) (require 'message) (require 'gnus-msg) (require 'nndraft) (require 'gnus-agent) ;;; Draft minor mode (defvar-keymap gnus-draft-mode-map "D t" #'gnus-draft-toggle-sending "e" #' gnus-draft-edit-message ;; Use `B w' for `gnus-summary-edit-article' "D e" #'gnus-draft-edit-message "D s" #'gnus-draft-send-message "D S" #'gnus-draft-send-all-messages) (defun gnus-draft-make-menu-bar () (unless (boundp 'gnus-draft-menu) (easy-menu-define gnus-draft-menu gnus-draft-mode-map "" '("Drafts" ["Toggle whether to send" gnus-draft-toggle-sending t] ["Edit" gnus-draft-edit-message t] ["Send selected message(s)" gnus-draft-send-message t] ["Send all messages" gnus-draft-send-all-messages t] ["Delete draft" gnus-summary-delete-article t])))) (define-minor-mode gnus-draft-mode "Minor mode for providing a draft summary buffers. \\{gnus-draft-mode-map}" :lighter " Draft" :keymap gnus-draft-mode-map (cond ((not (derived-mode-p 'gnus-summary-mode)) (setq gnus-draft-mode nil)) (gnus-draft-mode ;; Set up the menu. (when (gnus-visual-p 'draft-menu 'menu) (gnus-draft-make-menu-bar)) (add-hook 'gnus-summary-prepare-exit-hook #'gnus-draft-clear-marks t t)))) ;;; Commands (defun gnus-draft-toggle-sending (article) "Toggle whether to send an article or not." (interactive (list (gnus-summary-article-number)) gnus-summary-mode) (if (gnus-draft-article-sendable-p article) (progn (push article gnus-newsgroup-unsendable) (gnus-summary-mark-article article gnus-unsendable-mark)) (setq gnus-newsgroup-unsendable (delq article gnus-newsgroup-unsendable)) (gnus-summary-mark-article article gnus-unread-mark)) (gnus-summary-position-point)) (defun gnus-draft-edit-message () "Enter a mail/post buffer to edit and send the draft." (interactive nil gnus-summary-mode) (let ((article (gnus-summary-article-number)) (group gnus-newsgroup-name)) (gnus-draft-check-draft-articles (list article)) (gnus-summary-mark-as-read article gnus-canceled-mark) (gnus-draft-setup article group t) (set-buffer-modified-p t) (save-excursion (save-restriction (message-narrow-to-headers) (message-remove-header "date"))) (let ((message-draft-headers (remq 'Date message-draft-headers))) (save-buffer)) (let ((gnus-verbose-backends nil)) (gnus-request-expire-articles (list article) group t)) (push (let ((buf gnus-summary-buffer)) (lambda () (when (gnus-buffer-live-p buf) (with-current-buffer buf (gnus-cache-possibly-remove-article article nil nil nil t))))) message-send-actions))) (defun gnus-draft-send-message (&optional n) "Send the current draft(s). Obeys the standard process/prefix convention." (interactive "P" gnus-summary-mode) (let* ((articles (gnus-summary-work-articles n)) (total (length articles)) article) (gnus-draft-check-draft-articles articles) (while (setq article (pop articles)) (gnus-summary-remove-process-mark article) (unless (memq article gnus-newsgroup-unsendable) (let ((message-sending-message (format "Sending message %d of %d..." (- total (length articles)) total))) (gnus-draft-send article gnus-newsgroup-name t)) (gnus-summary-mark-article article gnus-canceled-mark))))) (defun gnus-draft-send (article &optional group interactive) "Send message ARTICLE." (let* ((is-queue (or (not group) (equal group "nndraft:queue"))) (message-syntax-checks (if interactive message-syntax-checks 'dont-check-for-anything-just-trust-me)) (message-hidden-headers nil) (message-inhibit-body-encoding (or is-queue message-inhibit-body-encoding)) (message-send-hook (and (not is-queue) message-send-hook)) (message-setup-hook (and (not is-queue) message-setup-hook)) (gnus-message-setup-hook (and (not is-queue) gnus-message-setup-hook)) (message-signature (and (not is-queue) message-signature)) (gnus-agent-queue-mail (and (not is-queue) gnus-agent-queue-mail)) (rfc2047-encode-encoded-words nil) type method move-to) (gnus-draft-setup article (or group "nndraft:queue") nil 'dont-pop) ;; We read the meta-information that says how and where ;; this message is to be sent. (save-restriction (message-narrow-to-headers) (when (re-search-forward (concat "^" (regexp-quote gnus-agent-target-move-group-header) ":") nil t) (skip-syntax-forward "-") (setq move-to (buffer-substring (point) (line-end-position))) (message-remove-header gnus-agent-target-move-group-header)) (goto-char (point-min)) (when (re-search-forward (concat "^" (regexp-quote gnus-agent-meta-information-header) ":") nil t) (setq type (ignore-errors (read (current-buffer))) method (ignore-errors (read (current-buffer)))) (message-remove-header gnus-agent-meta-information-header))) ;; Let Agent restore any GCC lines and have message.el perform them. (gnus-agent-restore-gcc) ;; Then we send it. If we have no meta-information, we just send ;; it and let Message figure out how. (when (and (or (null method) (gnus-server-opened method) (gnus-open-server method)) (if type (let ((message-this-is-news (eq type 'news)) (message-this-is-mail (eq type 'mail)) (gnus-post-method method) (message-post-method method)) (if move-to (gnus-inews-do-gcc move-to) (message-send-and-exit))) (if move-to (gnus-inews-do-gcc move-to) (message-send-and-exit)))) (let ((gnus-verbose-backends nil)) (gnus-request-expire-articles (list article) (or group "nndraft:queue") t))))) (defun gnus-draft-send-all-messages () "Send all the sendable drafts." (interactive) (when (or gnus-expert-user (gnus-y-or-n-p "Send all drafts? ")) (gnus-uu-mark-buffer) (gnus-draft-send-message))) (defun gnus-group-send-queue () "Send all sendable articles from the queue group." (interactive) (when (or gnus-plugged (not gnus-agent-prompt-send-queue) (gnus-y-or-n-p "Gnus is unplugged; really send queue? ")) (gnus-activate-group "nndraft:queue") (save-excursion (let* ((articles (nndraft-articles)) (unsendable (range-uncompress (cdr (assq 'unsend (gnus-info-marks (gnus-get-info "nndraft:queue")))))) (gnus-posting-styles nil) message-send-mail-partially-limit (total (length articles)) article) (while (setq article (pop articles)) (unless (memq article unsendable) (let ((message-sending-message (format "Sending message %d of %d..." (- total (length articles)) total))) (gnus-draft-send article)))))) (gnus-group-refresh-group "nndraft:queue"))) ;;;###autoload (defun gnus-draft-reminder () "Reminder user if there are unsent drafts." (interactive) (if (gnus-alive-p) (let (active) (catch 'continue (dolist (group '("nndraft:drafts" "nndraft:queue")) (setq active (gnus-activate-group group)) (if (and active (>= (cdr active) (car active))) (if (y-or-n-p "There are unsent drafts. Confirm to exit? ") (throw 'continue t) (error "Stop!")))))))) (defcustom gnus-draft-setup-hook nil "Hook run after setting up a draft buffer." :group 'gnus-message :version "23.1" ;; No Gnus :type 'hook) (defun gnus-draft-setup (narticle group &optional restore dont-pop) "Setup a mail draft buffer. If DONT-POP is nil, display the buffer after setting it up." (let (ga) (gnus-setup-message 'forward (let ((article narticle)) (message-mail nil nil nil nil (if dont-pop (lambda (buf) (set-buffer (gnus-get-buffer-create buf))))) (let ((inhibit-read-only t)) (erase-buffer)) (if (not (gnus-request-restore-buffer article group)) (error "Couldn't restore the article") (when (and restore (equal group "nndraft:queue")) (mime-to-mml)) ;; Insert the separator. (goto-char (point-min)) (search-forward "\n\n") (forward-char -1) (save-restriction (narrow-to-region (point-min) (point)) (setq ga (message-fetch-field gnus-draft-meta-information-header))) (insert mail-header-separator) (forward-line 1)))) (gnus-backlog-remove-article group narticle) (when (and ga (ignore-errors (setq ga (car (read-from-string ga))))) (setq gnus-newsgroup-name (if (equal (car ga) "") nil (car ga))) (gnus-configure-posting-styles) (setq gnus-message-group-art (cons gnus-newsgroup-name (cadr ga))) (setq message-post-method (lambda (arg) (gnus-post-method arg (car ga)))) (unless (equal (cadr ga) "") (dolist (article (cdr ga)) (message-add-action `(progn (gnus-add-mark ,(car ga) 'replied ,article) (gnus-request-set-mark ,(car ga) (list (list (list ,article) 'add '(reply))))) 'send)))) (run-hooks 'gnus-draft-setup-hook))) (defun gnus-draft-article-sendable-p (article) "Say whether ARTICLE is sendable." (not (memq article gnus-newsgroup-unsendable))) (defun gnus-draft-check-draft-articles (articles) "Check whether the draft articles ARTICLES are under edit." (when (equal gnus-newsgroup-name "nndraft:drafts") (let* ((files (mapcar #'nndraft-article-filename articles)) (buffs (delq nil (mapcar (lambda (f) (find-buffer-visiting f (lambda (b) (buffer-modified-p b)))) files)))) (when buffs (if (= 1 (length buffs)) ;; We might have arrived here via `gnus-draft-edit-message'; ;; either way show the user the draft with unsaved changes. (let* ((window (get-buffer-window (car buffs) t)) (frame (and window (window-frame window)))) (if frame (select-frame-set-input-focus frame) (pop-to-buffer (car buffs) t)) (error "Draft is already under edit")) ;; Otherwise we got here from `gnus-draft-send-message', and ;; the main thing is to interrupt the sending. (display-buffer (list-buffers-noselect t buffs)) (error "Some drafts have unsaved changes: %S" buffs)))))) (defun gnus-draft-clear-marks () (setq gnus-newsgroup-reads nil gnus-newsgroup-marked nil gnus-newsgroup-unreads (nndraft-articles))) (provide 'gnus-draft) ;;; gnus-draft.el ends here