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55535639 | 1 | ;;; rmailedit.el --- "RMAIL edit mode" Edit the current message |
c88ab9ce | 2 | |
5092477a | 3 | ;; Copyright (C) 1985, 1994, 2001 Free Software Foundation, Inc. |
9750e079 | 4 | |
e5167999 | 5 | ;; Maintainer: FSF |
d7b4d18f | 6 | ;; Keywords: mail |
e5167999 | 7 | |
a2535589 JA |
8 | ;; This file is part of GNU Emacs. |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
e5167999 | 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
a2535589 JA |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
a2535589 | 24 | |
55535639 PJ |
25 | ;;; Commentary: |
26 | ||
e5167999 | 27 | ;;; Code: |
a2535589 JA |
28 | |
29 | (require 'rmail) | |
30 | ||
5092477a GM |
31 | (defcustom rmail-edit-mode-hook nil |
32 | "List of functions to call when editing an RMAIL message." | |
33 | :type 'hook | |
1d053370 | 34 | :version "21.1" |
5092477a GM |
35 | :group 'rmail-edit) |
36 | ||
c241bb9c KH |
37 | (defvar rmail-old-text) |
38 | ||
a2535589 JA |
39 | (defvar rmail-edit-map nil) |
40 | (if rmail-edit-map | |
41 | nil | |
9a4cc6bd | 42 | ;; Make a keymap that inherits text-mode-map. |
c241bb9c KH |
43 | (setq rmail-edit-map (make-sparse-keymap)) |
44 | (set-keymap-parent rmail-edit-map text-mode-map) | |
a2535589 JA |
45 | (define-key rmail-edit-map "\C-c\C-c" 'rmail-cease-edit) |
46 | (define-key rmail-edit-map "\C-c\C-]" 'rmail-abort-edit)) | |
47 | ||
48 | ;; Rmail Edit mode is suitable only for specially formatted data. | |
49 | (put 'rmail-edit-mode 'mode-class 'special) | |
50 | ||
51 | (defun rmail-edit-mode () | |
52 | "Major mode for editing the contents of an RMAIL message. | |
53 | The editing commands are the same as in Text mode, together with two commands | |
54 | to return to regular RMAIL: | |
5092477a | 55 | * \\[rmail-abort-edit] cancels the changes |
a2535589 | 56 | you have made and returns to RMAIL |
5092477a GM |
57 | * \\[rmail-cease-edit] makes them permanent. |
58 | This functions runs the normal hook `rmail-edit-mode-hook'. | |
a2535589 | 59 | \\{rmail-edit-map}" |
c241bb9c | 60 | (text-mode) |
a2535589 JA |
61 | (use-local-map rmail-edit-map) |
62 | (setq major-mode 'rmail-edit-mode) | |
63 | (setq mode-name "RMAIL Edit") | |
64 | (if (boundp 'mode-line-modified) | |
65 | (setq mode-line-modified (default-value 'mode-line-modified)) | |
66 | (setq mode-line-format (default-value 'mode-line-format))) | |
c35fb216 | 67 | (if (rmail-summary-exists) |
56b25713 KH |
68 | (save-excursion |
69 | (set-buffer rmail-summary-buffer) | |
70 | (rmail-summary-disable))) | |
c241bb9c | 71 | (run-hooks 'rmail-edit-mode-hook)) |
a2535589 | 72 | |
77fb8963 RS |
73 | (defvar rmail-old-pruned nil) |
74 | (put 'rmail-old-pruned 'permanent-local t) | |
75 | ||
7c968ca5 RS |
76 | (defvar rmail-edit-saved-coding-system nil) |
77 | (put 'rmail-edit-saved-coding-system 'permanent-local t) | |
78 | ||
523abd28 | 79 | ;;;###autoload |
a2535589 JA |
80 | (defun rmail-edit-current-message () |
81 | "Edit the contents of this message." | |
82 | (interactive) | |
77fb8963 RS |
83 | (make-local-variable 'rmail-old-pruned) |
84 | (setq rmail-old-pruned (rmail-msg-is-pruned)) | |
7c968ca5 RS |
85 | (make-local-variable 'rmail-edit-saved-coding-system) |
86 | (setq rmail-edit-saved-coding-system save-buffer-coding-system) | |
77fb8963 | 87 | (rmail-toggle-header 0) |
a2535589 | 88 | (rmail-edit-mode) |
7c968ca5 RS |
89 | ;; As the local value of save-buffer-coding-system is deleted by |
90 | ;; rmail-edit-mode, we restore the original value. | |
91 | (make-local-variable 'save-buffer-coding-system) | |
92 | (setq save-buffer-coding-system rmail-edit-saved-coding-system) | |
a2535589 JA |
93 | (make-local-variable 'rmail-old-text) |
94 | (setq rmail-old-text (buffer-substring (point-min) (point-max))) | |
95 | (setq buffer-read-only nil) | |
cde63420 | 96 | (force-mode-line-update) |
a2535589 JA |
97 | (if (and (eq (key-binding "\C-c\C-c") 'rmail-cease-edit) |
98 | (eq (key-binding "\C-c\C-]") 'rmail-abort-edit)) | |
99 | (message "Editing: Type C-c C-c to return to Rmail, C-c C-] to abort") | |
e26a12ac | 100 | (message "%s" (substitute-command-keys |
77fb8963 | 101 | "Editing: Type \\[rmail-cease-edit] to return to Rmail, \\[rmail-abort-edit] to abort")))) |
a2535589 JA |
102 | |
103 | (defun rmail-cease-edit () | |
104 | "Finish editing message; switch back to Rmail proper." | |
105 | (interactive) | |
c35fb216 | 106 | (if (rmail-summary-exists) |
56b25713 KH |
107 | (save-excursion |
108 | (set-buffer rmail-summary-buffer) | |
109 | (rmail-summary-enable))) | |
a2535589 JA |
110 | ;; Make sure buffer ends with a newline. |
111 | (save-excursion | |
112 | (goto-char (point-max)) | |
113 | (if (/= (preceding-char) ?\n) | |
114 | (insert "\n")) | |
115 | ;; Adjust the marker that points to the end of this message. | |
116 | (set-marker (aref rmail-message-vector (1+ rmail-current-message)) | |
117 | (point))) | |
118 | (let ((old rmail-old-text)) | |
cde63420 | 119 | (force-mode-line-update) |
c241bb9c | 120 | (kill-all-local-variables) |
a2535589 | 121 | (rmail-mode-1) |
c241bb9c | 122 | (rmail-variables) |
7c968ca5 RS |
123 | ;; As the local value of save-buffer-coding-system is changed by |
124 | ;; rmail-variables, we restore the original value. | |
125 | (setq save-buffer-coding-system rmail-edit-saved-coding-system) | |
a2535589 JA |
126 | (if (and (= (length old) (- (point-max) (point-min))) |
127 | (string= old (buffer-substring (point-min) (point-max)))) | |
128 | () | |
129 | (setq old nil) | |
130 | (rmail-set-attribute "edited" t) | |
131 | (if (boundp 'rmail-summary-vector) | |
132 | (progn | |
133 | (aset rmail-summary-vector (1- rmail-current-message) nil) | |
134 | (save-excursion | |
135 | (rmail-widen-to-current-msgbeg | |
cd95034f | 136 | (function (lambda () |
a2535589 JA |
137 | (forward-line 2) |
138 | (if (looking-at "Summary-line: ") | |
139 | (let ((buffer-read-only nil)) | |
140 | (delete-region (point) | |
141 | (progn (forward-line 1) | |
cd95034f RS |
142 | (point)))))))))))) |
143 | (save-excursion | |
77fb8963 RS |
144 | (rmail-show-message) |
145 | (rmail-toggle-header (if rmail-old-pruned 1 0)))) | |
bd84ce86 | 146 | (run-hooks 'rmail-mode-hook) |
a2535589 JA |
147 | (setq buffer-read-only t)) |
148 | ||
149 | (defun rmail-abort-edit () | |
150 | "Abort edit of current message; restore original contents." | |
151 | (interactive) | |
152 | (delete-region (point-min) (point-max)) | |
153 | (insert rmail-old-text) | |
2ac32b29 RS |
154 | (rmail-cease-edit) |
155 | (rmail-highlight-headers)) | |
a2535589 | 156 | |
456f0b95 MR |
157 | (provide 'rmailedit) |
158 | ||
6b61353c | 159 | ;;; arch-tag: 93c22709-a14a-46c1-ab91-52c3f5a0ec12 |
c88ab9ce | 160 | ;;; rmailedit.el ends here |