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55535639 | 1 | ;;; rmailedit.el --- "RMAIL edit mode" Edit the current message |
c88ab9ce | 2 | |
e9c033a0 GM |
3 | ;; Copyright (C) 1985, 1994, 2001, 2002, 2003, 2004, 2005, 2006, |
4 | ;; 2007, 2008 Free Software Foundation, Inc. | |
9750e079 | 5 | |
e5167999 | 6 | ;; Maintainer: FSF |
d7b4d18f | 7 | ;; Keywords: mail |
e5167999 | 8 | |
a2535589 JA |
9 | ;; This file is part of GNU Emacs. |
10 | ||
b1fc2b50 | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
a2535589 | 12 | ;; it under the terms of the GNU General Public License as published by |
b1fc2b50 GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
a2535589 JA |
15 | |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
b1fc2b50 | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
a2535589 | 23 | |
55535639 PJ |
24 | ;;; Commentary: |
25 | ||
e5167999 | 26 | ;;; Code: |
a2535589 JA |
27 | |
28 | (require 'rmail) | |
29 | ||
5092477a GM |
30 | (defcustom rmail-edit-mode-hook nil |
31 | "List of functions to call when editing an RMAIL message." | |
32 | :type 'hook | |
1d053370 | 33 | :version "21.1" |
5092477a GM |
34 | :group 'rmail-edit) |
35 | ||
c241bb9c KH |
36 | (defvar rmail-old-text) |
37 | ||
a2535589 JA |
38 | (defvar rmail-edit-map nil) |
39 | (if rmail-edit-map | |
40 | nil | |
9a4cc6bd | 41 | ;; Make a keymap that inherits text-mode-map. |
c241bb9c KH |
42 | (setq rmail-edit-map (make-sparse-keymap)) |
43 | (set-keymap-parent rmail-edit-map text-mode-map) | |
a2535589 JA |
44 | (define-key rmail-edit-map "\C-c\C-c" 'rmail-cease-edit) |
45 | (define-key rmail-edit-map "\C-c\C-]" 'rmail-abort-edit)) | |
46 | ||
47 | ;; Rmail Edit mode is suitable only for specially formatted data. | |
48 | (put 'rmail-edit-mode 'mode-class 'special) | |
49 | ||
2b54af74 DN |
50 | (declare-function rmail-summary-disable "" ()) |
51 | (declare-function rmail-summary-enable "rmailsum" ()) | |
52 | ||
a2535589 JA |
53 | (defun rmail-edit-mode () |
54 | "Major mode for editing the contents of an RMAIL message. | |
55 | The editing commands are the same as in Text mode, together with two commands | |
56 | to return to regular RMAIL: | |
5092477a | 57 | * \\[rmail-abort-edit] cancels the changes |
a2535589 | 58 | you have made and returns to RMAIL |
5092477a GM |
59 | * \\[rmail-cease-edit] makes them permanent. |
60 | This functions runs the normal hook `rmail-edit-mode-hook'. | |
a2535589 | 61 | \\{rmail-edit-map}" |
fb33e153 | 62 | (delay-mode-hooks (text-mode)) |
a2535589 JA |
63 | (use-local-map rmail-edit-map) |
64 | (setq major-mode 'rmail-edit-mode) | |
65 | (setq mode-name "RMAIL Edit") | |
66 | (if (boundp 'mode-line-modified) | |
67 | (setq mode-line-modified (default-value 'mode-line-modified)) | |
68 | (setq mode-line-format (default-value 'mode-line-format))) | |
c35fb216 | 69 | (if (rmail-summary-exists) |
56b25713 KH |
70 | (save-excursion |
71 | (set-buffer rmail-summary-buffer) | |
72 | (rmail-summary-disable))) | |
7f9b6634 | 73 | (run-mode-hooks 'rmail-edit-mode-hook)) |
a2535589 | 74 | |
77fb8963 RS |
75 | (defvar rmail-old-pruned nil) |
76 | (put 'rmail-old-pruned 'permanent-local t) | |
77 | ||
7c968ca5 RS |
78 | (defvar rmail-edit-saved-coding-system nil) |
79 | (put 'rmail-edit-saved-coding-system 'permanent-local t) | |
80 | ||
523abd28 | 81 | ;;;###autoload |
a2535589 JA |
82 | (defun rmail-edit-current-message () |
83 | "Edit the contents of this message." | |
84 | (interactive) | |
77fb8963 RS |
85 | (make-local-variable 'rmail-old-pruned) |
86 | (setq rmail-old-pruned (rmail-msg-is-pruned)) | |
7c968ca5 RS |
87 | (make-local-variable 'rmail-edit-saved-coding-system) |
88 | (setq rmail-edit-saved-coding-system save-buffer-coding-system) | |
77fb8963 | 89 | (rmail-toggle-header 0) |
a2535589 | 90 | (rmail-edit-mode) |
7c968ca5 RS |
91 | ;; As the local value of save-buffer-coding-system is deleted by |
92 | ;; rmail-edit-mode, we restore the original value. | |
93 | (make-local-variable 'save-buffer-coding-system) | |
94 | (setq save-buffer-coding-system rmail-edit-saved-coding-system) | |
a2535589 JA |
95 | (make-local-variable 'rmail-old-text) |
96 | (setq rmail-old-text (buffer-substring (point-min) (point-max))) | |
97 | (setq buffer-read-only nil) | |
cde63420 | 98 | (force-mode-line-update) |
a2535589 JA |
99 | (if (and (eq (key-binding "\C-c\C-c") 'rmail-cease-edit) |
100 | (eq (key-binding "\C-c\C-]") 'rmail-abort-edit)) | |
101 | (message "Editing: Type C-c C-c to return to Rmail, C-c C-] to abort") | |
e26a12ac | 102 | (message "%s" (substitute-command-keys |
77fb8963 | 103 | "Editing: Type \\[rmail-cease-edit] to return to Rmail, \\[rmail-abort-edit] to abort")))) |
a2535589 JA |
104 | |
105 | (defun rmail-cease-edit () | |
106 | "Finish editing message; switch back to Rmail proper." | |
107 | (interactive) | |
c35fb216 | 108 | (if (rmail-summary-exists) |
56b25713 KH |
109 | (save-excursion |
110 | (set-buffer rmail-summary-buffer) | |
111 | (rmail-summary-enable))) | |
a2535589 JA |
112 | ;; Make sure buffer ends with a newline. |
113 | (save-excursion | |
114 | (goto-char (point-max)) | |
115 | (if (/= (preceding-char) ?\n) | |
116 | (insert "\n")) | |
117 | ;; Adjust the marker that points to the end of this message. | |
118 | (set-marker (aref rmail-message-vector (1+ rmail-current-message)) | |
119 | (point))) | |
120 | (let ((old rmail-old-text)) | |
cde63420 | 121 | (force-mode-line-update) |
c241bb9c | 122 | (kill-all-local-variables) |
a2535589 | 123 | (rmail-mode-1) |
e9c033a0 GM |
124 | (if (boundp 'tool-bar-map) |
125 | (set (make-local-variable 'tool-bar-map) rmail-tool-bar-map)) | |
c241bb9c | 126 | (rmail-variables) |
7c968ca5 RS |
127 | ;; As the local value of save-buffer-coding-system is changed by |
128 | ;; rmail-variables, we restore the original value. | |
129 | (setq save-buffer-coding-system rmail-edit-saved-coding-system) | |
a2535589 JA |
130 | (if (and (= (length old) (- (point-max) (point-min))) |
131 | (string= old (buffer-substring (point-min) (point-max)))) | |
132 | () | |
133 | (setq old nil) | |
134 | (rmail-set-attribute "edited" t) | |
135 | (if (boundp 'rmail-summary-vector) | |
136 | (progn | |
137 | (aset rmail-summary-vector (1- rmail-current-message) nil) | |
138 | (save-excursion | |
139 | (rmail-widen-to-current-msgbeg | |
cd95034f | 140 | (function (lambda () |
a2535589 JA |
141 | (forward-line 2) |
142 | (if (looking-at "Summary-line: ") | |
143 | (let ((buffer-read-only nil)) | |
144 | (delete-region (point) | |
145 | (progn (forward-line 1) | |
cd95034f RS |
146 | (point)))))))))))) |
147 | (save-excursion | |
77fb8963 RS |
148 | (rmail-show-message) |
149 | (rmail-toggle-header (if rmail-old-pruned 1 0)))) | |
bd84ce86 | 150 | (run-hooks 'rmail-mode-hook) |
a2535589 JA |
151 | (setq buffer-read-only t)) |
152 | ||
153 | (defun rmail-abort-edit () | |
154 | "Abort edit of current message; restore original contents." | |
155 | (interactive) | |
156 | (delete-region (point-min) (point-max)) | |
157 | (insert rmail-old-text) | |
2ac32b29 RS |
158 | (rmail-cease-edit) |
159 | (rmail-highlight-headers)) | |
a2535589 | 160 | |
456f0b95 MR |
161 | (provide 'rmailedit) |
162 | ||
cbee283d | 163 | ;; arch-tag: 93c22709-a14a-46c1-ab91-52c3f5a0ec12 |
c88ab9ce | 164 | ;;; rmailedit.el ends here |