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1.1 root 1: ;; "RMAIL edit mode" Edit the current message.
2: ;; Copyright (C) 1985 Richard M. Stallman.
3:
4: ;; This file is part of GNU Emacs.
5:
6: ;; GNU Emacs is distributed in the hope that it will be useful,
7: ;; but WITHOUT ANY WARRANTY. No author or distributor
8: ;; accepts responsibility to anyone for the consequences of using it
9: ;; or for whether it serves any particular purpose or works at all,
10: ;; unless he says so in writing. Refer to the GNU Emacs General Public
11: ;; License for full details.
12:
13: ;; Everyone is granted permission to copy, modify and redistribute
14: ;; GNU Emacs, but only under the conditions described in the
15: ;; GNU Emacs General Public License. A copy of this license is
16: ;; supposed to have been given to you along with GNU Emacs so you
17: ;; can know your rights and responsibilities. It should be in a
18: ;; file named COPYING. Among other things, the copyright notice
19: ;; and this notice must be preserved on all copies.
20:
21:
22: (require 'rmail)
23:
24: (defvar rmail-edit-map nil)
25: (if rmail-edit-map
26: nil
27: (setq rmail-edit-map (copy-keymap text-mode-map))
28: (define-key rmail-edit-map "\C-c\C-c" 'rmail-cease-edit)
29: (define-key rmail-edit-map "\C-c\C-]" 'rmail-abort-edit))
30:
31: (defun rmail-edit-mode ()
32: "Major mode for editing the contents of an RMAIL message.
33: The editing commands are the same as in Text mode, together with two commands
34: to return to regular RMAIL:
35: * rmail-abort-edit cancels the changes
36: you have made and returns to RMAIL
37: * rmail-cease-edit makes them permanent.
38: \\{rmail-edit-map}"
39: (use-local-map rmail-edit-map)
40: (setq major-mode 'rmail-edit-mode)
41: (setq mode-name "RMAIL Edit")
42: (setq mode-line-format default-mode-line-format)
43: (run-hooks 'text-mode-hook 'rmail-edit-mode-hook))
44:
45: (defun rmail-edit-current-message ()
46: "Edit the contents of this message."
47: (interactive)
48: (rmail-edit-mode)
49: (make-local-variable 'rmail-old-text)
50: (setq rmail-old-text (buffer-substring (point-min) (point-max)))
51: (setq buffer-read-only nil)
52: (set-buffer-modified-p (buffer-modified-p))
53: ;; Make mode line update.
54: (if (and (eq (key-binding "\C-c\C-c") 'rmail-cease-edit)
55: (eq (key-binding "\C-c\C-]") 'rmail-abort-edit))
56: (message "Editing: Type C-c C-c to return to Rmail, C-c C-] to abort")
57: (message (substitute-command-keys
58: "Editing: Type \\[rmail-cease-edit] to return to Rmail, \\[rmail-abort-edit] to abort"))))
59:
60: (defun rmail-cease-edit ()
61: "Finish editing message; switch back to Rmail proper."
62: (interactive)
63: ;; Make sure buffer ends with a newline.
64: (save-excursion
65: (goto-char (point-max))
66: (if (/= (preceding-char) ?\n)
67: (insert "\n"))
68: ;; Adjust the marker that points to the end of this message.
69: (set-marker (aref rmail-message-vector (1+ rmail-current-message))
70: (point)))
71: ;; Update the mode line.
72: (set-buffer-modified-p (buffer-modified-p))
73: (rmail-mode-1)
74: (cond ((boundp 'rmail-summary-vector)
75: (aset rmail-summary-vector (1- rmail-current-message) nil)
76: (save-excursion
77: (rmail-widen-to-current-msgbeg
78: (function (lambda ()
79: (forward-line 2)
80: (if (looking-at "Summary-line: ")
81: (let ((buffer-read-only nil))
82: (delete-region (point)
83: (progn (forward-line 1) (point))))))))
84: (rmail-show-message))))
85: (setq buffer-read-only t))
86:
87: (defun rmail-abort-edit ()
88: "Abort edit of current message; restore original contents."
89: (interactive)
90: (delete-region (point-min) (point-max))
91: (insert rmail-old-text)
92: (rmail-cease-edit))
93:
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