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-;;; jao-frm.el --- use frm to show mailbox
-
-;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2019, 2020
-
-;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
-;; Keywords: mail
-
-;; This file 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, or (at your option)
-;; any later version.
-
-;; This file 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:
-
-;; Little hack to see the contents of your mailbox using GNU mailutils'
-;; `frm' program.
-;;
-;; Just put (require 'jao-frm) in your .emacs, and M-x jao-frm will pop up a
-;; new window with your mailbox contents (from and subject) as
-;; printed by frm. In this buffer, use `n' and `p' to move, `q' to close
-;; the window. `g' will call Gnus.
-;;
-
-;;; Code:
-
-;;;; Customisation:
-
-(defgroup jao-frm nil
- "Frm-base mailbox checker"
- :group 'mail
- :prefix "jao-frm-")
-
-(defcustom jao-frm-exec-path "frm"
- "frm executable path"
- :group 'jao-frm
- :type 'file)
-
-(defcustom jao-frm-mail-command 'gnus
- "Emacs function to invoke when `g' is pressed on an frm buffer."
- :group 'jao-frm
- :type 'symbol)
-
-(defcustom jao-frm-mailboxes nil
- "List of mailboxes to check, or directory containing them."
- :group 'jao-frm
- :type '(choice directory (repeat file)))
-
-(defface jao-frm-mailno-face '((t (:foreground "dark slate grey")))
- "Face for the mail number."
- :group 'jao-frm)
-
-(defface jao-frm-from-face '((t (:foreground "slate grey")))
- "Face for From: header."
- :group 'jao-frm)
-
-(defface jao-frm-subject-face '((t (:foreground "slate blue")))
- "Face for Subject: header."
- :group 'jao-frm)
-
-(defface jao-frm-mailbox-face '((t (:bold t :weight bold)))
- "Face for mailbox name."
- :group 'jao-frm)
-
-;;;; Mode:
-
-(defvar jao-frm-mode-map
- (let ((map (make-keymap)))
- (suppress-keymap map)
- (define-key map [?q] 'jao-frm-delete-window)
- (define-key map [?n] 'next-line)
- (define-key map [?p] 'previous-line)
- (define-key map [?r] 'jao-frm)
- (define-key map [?g] (lambda ()
- (interactive)
- (funcall jao-frm-mail-command)))
- (define-key map [(control k)] 'jao-frm-delete-message)
- map))
-
-(setq jao-frm-font-lock-keywords
- '(("^[^ :]+:" . 'jao-frm-mailbox-face)
- ("^\\([ 0-9]+\\):\t+\\([^\t]+\\)\t+\\([^\n]+$\\)"
- (1 'jao-frm-mailno-face)
- (2 'jao-frm-from-face)
- (3 'jao-frm-subject-face))))
-
-(defvar jao-frm-mode-syntax-table
- (let ((st (make-syntax-table)))
- st))
-
-(defun jao-frm-mode ()
- "Major mode for displaying frm output."
- (interactive)
- (kill-all-local-variables)
- (buffer-disable-undo)
- (use-local-map jao-frm-mode-map)
- (set (make-local-variable 'font-lock-defaults)
- '(jao-frm-font-lock-keywords))
- (set (make-local-variable 'truncate-lines) t)
- (set (make-local-variable 'kill-whole-line) t)
- (set (make-local-variable 'next-line-add-newlines) nil)
- (setq major-mode 'jao-frm-mode)
- (setq mode-name "frm")
- (read-only-mode 1)
- (goto-char 1))
-
-;;;; Mode commands:
-(defvar jao-frm-last-config nil)
-
-(defun jao-frm-delete-window ()
- "Delete frm window and restore last win config"
- (interactive)
- (if (and (consp jao-frm-last-config)
- (window-configuration-p (car jao-frm-last-config)))
- (progn
- (set-window-configuration (car jao-frm-last-config))
- (goto-char (cadr jao-frm-last-config))
- (setq jao-frm-last-config nil))
- (bury-buffer)))
-
-(defun jao-frm-delete-message ()
- "Delete message at point"
- (interactive)
- (when (eq (current-buffer) (get-buffer "*frm*"))
- (beginning-of-line)
- (when (search-forward-regexp "^ +\\([0-9]+\\):" nil t)
- (let ((mn (string-to-number (match-string 1))))
- (when (y-or-n-p (format "Delete message number %d? " mn))
- (read-only-mode -1)
- (shell-command (format "echo 'd %d'|mail" mn) t)
- (jao-frm)
- (when (= (point-max) (point-min))
- (jao-frm-delete-window)
- (message "Mailbox is empty")))))))
-
-;;;; Activate frm:
-(defun jao-frm-mbox-mails (mbox)
- (let ((no (ignore-errors
- (substring
- (shell-command-to-string (format "frm -s n %s|wc -l" mbox))
- 0 -1))))
- (if (stringp no) (string-to-number no) 0)))
-
-(defun jao-frm-mail-number ()
- (let ((no 0))
- (dolist (b (jao-frm-mboxes) no) (setq no (+ no (jao-frm-mbox-mails b))))))
-
-(defun jao-frm-default-count-formatter (m n)
- (format "%s: %s" (file-name-sans-extension (file-name-nondirectory m)) n))
-
-(defun jao-frm-mail-counts (fmt)
- (let ((fmt (or fmt 'jao-frm-default-count-formatter)))
- (remove nil
- (mapcar (lambda (m)
- (let ((n (jao-frm-mbox-mails m)))
- (unless (zerop n) (funcall fmt m n))))
- (jao-frm-mboxes)))))
-
-(defun jao-frm-display-mailbox (mbox)
- (when (not (zerop (jao-frm-mbox-mails mbox)))
- (insert (or (file-name-nondirectory mbox) mbox) ":\n\n")
- (apply 'call-process
- `(,jao-frm-exec-path nil ,(current-buffer) nil
- "-s" "n" "-n" "-t" ,@(and mbox (list mbox))))
- (newline 2)))
-
-(defun jao-frm-mboxes ()
- (cond ((null jao-frm-mailboxes) (list (getenv "MAIL")))
- ((listp jao-frm-mailboxes) jao-frm-mailboxes)
- ((stringp jao-frm-mailboxes)
- (if (file-directory-p jao-frm-mailboxes)
- (directory-files jao-frm-mailboxes t "^[^.]")
- (list jao-frm-mailboxes)))
- (t (error "Error in mbox specification. Check `jao-frm-mailboxes'"))))
-
-;;;###autoload
-(defun jao-frm ()
- "Run frm."
- (interactive)
- (let ((fbuff (get-buffer-create "*frm*"))
- (inhibit-read-only t))
- (if (not (eq fbuff (current-buffer)))
- (setq jao-frm-last-config
- (list (current-window-configuration) (point-marker))))
- (with-current-buffer fbuff
- (delete-region (point-min) (point-max))
- (mapc 'jao-frm-display-mailbox (jao-frm-mboxes))
- (unless (eq major-mode 'jao-frm-mode)
- (jao-frm-mode))
- (goto-char (point-min))
- (if (= (point-min) (point-max))
- (message "Mailbox is empty.")
- (pop-to-buffer fbuff))
- (when (and (boundp 'display-time-mode) display-time-mode)
- (display-time-update)))))
-
-;;;###autoload
-(defun jao-frm-show-mail-numbers (&optional fmt)
- (interactive)
- (let ((counts (jao-frm-mail-counts fmt)))
- (message (if counts (mapconcat 'identity counts ", ") "No mail"))))
-
-;;;###autoload
-(defun jao-frm-mail-string ()
- (let ((counts (jao-frm-mail-counts
- (lambda (m n)
- (let ((m (substring (file-name-nondirectory m) 0 1)))
- (format "%s%s" (capitalize m) n))))))
- (mapconcat 'identity counts " ")))
-
-(provide 'jao-frm)
-
-;;; jao-frm.el ends here
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 19:16:58 +0000