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1 | ;; erc-goodies.el --- Collection of ERC modules |
2 | ||
ba318903 | 3 | ;; Copyright (C) 2001-2014 Free Software Foundation, Inc. |
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4 | |
5 | ;; Author: Jorgen Schaefer <forcer@forcix.cx> | |
34dc21db | 6 | ;; Maintainer: emacs-devel@gnu.org |
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7 | |
8 | ;; Most code is taken verbatim from erc.el, see there for the original | |
9 | ;; authors. | |
10 | ||
11 | ;; This file is part of GNU Emacs. | |
12 | ||
4ee57b2a | 13 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
597993cf | 14 | ;; it under the terms of the GNU General Public License as published by |
4ee57b2a GM |
15 | ;; the Free Software Foundation, either version 3 of the License, or |
16 | ;; (at your option) any later version. | |
597993cf MB |
17 | |
18 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | ;; GNU General Public License for more details. | |
22 | ||
23 | ;; You should have received a copy of the GNU General Public License | |
4ee57b2a | 24 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
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25 | |
26 | ;;; Commentary: | |
27 | ||
28 | ;; This provides some small but still useful modes for ERC. | |
29 | ||
30 | ;;; Code: | |
31 | ||
32 | (require 'erc) | |
33 | ||
5e56b3fb MO |
34 | ;;; Imenu support |
35 | ||
36 | (defun erc-imenu-setup () | |
37 | "Setup Imenu support in an ERC buffer." | |
38 | (set (make-local-variable 'imenu-create-index-function) | |
39 | 'erc-create-imenu-index)) | |
40 | ||
41 | (add-hook 'erc-mode-hook 'erc-imenu-setup) | |
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42 | (autoload 'erc-create-imenu-index "erc-imenu" "Imenu index creation function") |
43 | ||
44 | ;;; Automatically scroll to bottom | |
45 | (defcustom erc-input-line-position nil | |
46 | "Specify where to position the input line when using `erc-scroll-to-bottom'. | |
47 | ||
48 | This should be an integer specifying the line of the buffer on which | |
49 | the input line should stay. A value of \"-1\" would keep the input | |
50 | line positioned on the last line in the buffer. This is passed as an | |
51 | argument to `recenter'." | |
52 | :group 'erc-display | |
53 | :type '(choice integer (const nil))) | |
54 | ||
55 | (define-erc-module scrolltobottom nil | |
5e56b3fb MO |
56 | "This mode causes the prompt to stay at the end of the window." |
57 | ((add-hook 'erc-mode-hook 'erc-add-scroll-to-bottom) | |
58 | (dolist (buffer (erc-buffer-list)) | |
59 | (with-current-buffer buffer | |
60 | (erc-add-scroll-to-bottom)))) | |
61 | ((remove-hook 'erc-mode-hook 'erc-add-scroll-to-bottom) | |
62 | (dolist (buffer (erc-buffer-list)) | |
63 | (with-current-buffer buffer | |
7c2b8880 | 64 | (remove-hook 'post-command-hook 'erc-scroll-to-bottom t))))) |
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65 | |
66 | (defun erc-add-scroll-to-bottom () | |
67 | "A hook function for `erc-mode-hook' to recenter output at bottom of window. | |
68 | ||
69 | If you find that ERC hangs when using this function, try customizing | |
70 | the value of `erc-input-line-position'. | |
71 | ||
72 | This works whenever scrolling happens, so it's added to | |
73 | `window-scroll-functions' rather than `erc-insert-post-hook'." | |
7c2b8880 | 74 | (add-hook 'post-command-hook 'erc-scroll-to-bottom nil t)) |
597993cf | 75 | |
7c2b8880 | 76 | (defun erc-scroll-to-bottom () |
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77 | "Recenter WINDOW so that `point' is on the last line. |
78 | ||
79 | This is added to `window-scroll-functions' by `erc-add-scroll-to-bottom'. | |
80 | ||
81 | You can control which line is recentered to by customizing the | |
7c2b8880 | 82 | variable `erc-input-line-position'." |
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83 | ;; Temporarily bind resize-mini-windows to nil so that users who have it |
84 | ;; set to a non-nil value will not suffer from premature minibuffer | |
85 | ;; shrinkage due to the below recenter call. I have no idea why this | |
86 | ;; works, but it solves the problem, and has no negative side effects. | |
87 | ;; (Fran Litterio, 2003/01/07) | |
7c2b8880 AL |
88 | (let ((resize-mini-windows nil)) |
89 | (save-restriction | |
90 | (widen) | |
91 | (when (and erc-insert-marker | |
92 | ;; we're editing a line. Scroll. | |
93 | (> (point) erc-insert-marker)) | |
94 | (save-excursion | |
95 | (goto-char (point-max)) | |
96 | (recenter (or erc-input-line-position -1))))))) | |
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97 | |
98 | ;;; Make read only | |
99 | (define-erc-module readonly nil | |
100 | "This mode causes all inserted text to be read-only." | |
101 | ((add-hook 'erc-insert-post-hook 'erc-make-read-only) | |
102 | (add-hook 'erc-send-post-hook 'erc-make-read-only)) | |
103 | ((remove-hook 'erc-insert-post-hook 'erc-make-read-only) | |
104 | (remove-hook 'erc-send-post-hook 'erc-make-read-only))) | |
105 | ||
106 | (defun erc-make-read-only () | |
107 | "Make all the text in the current buffer read-only. | |
108 | Put this function on `erc-insert-post-hook' and/or `erc-send-post-hook'." | |
109 | (put-text-property (point-min) (point-max) 'read-only t) | |
110 | (put-text-property (point-min) (point-max) 'front-sticky t) | |
111 | (put-text-property (point-min) (point-max) 'rear-nonsticky t)) | |
112 | ||
5e56b3fb MO |
113 | ;;; Move to prompt when typing text |
114 | (define-erc-module move-to-prompt nil | |
115 | "This mode causes the point to be moved to the prompt when typing text." | |
116 | ((add-hook 'erc-mode-hook 'erc-move-to-prompt-setup) | |
117 | (dolist (buffer (erc-buffer-list)) | |
118 | (with-current-buffer buffer | |
119 | (erc-move-to-prompt-setup)))) | |
120 | ((remove-hook 'erc-mode-hook 'erc-move-to-prompt-setup) | |
121 | (dolist (buffer (erc-buffer-list)) | |
122 | (with-current-buffer buffer | |
123 | (remove-hook 'pre-command-hook 'erc-move-to-prompt t))))) | |
124 | ||
125 | (defun erc-move-to-prompt () | |
126 | "Move the point to the ERC prompt if this is a self-inserting command." | |
127 | (when (and erc-input-marker (< (point) erc-input-marker) | |
128 | (eq 'self-insert-command this-command)) | |
129 | (deactivate-mark) | |
130 | (push-mark) | |
131 | (goto-char (point-max)))) | |
132 | ||
133 | (defun erc-move-to-prompt-setup () | |
134 | "Initialize the move-to-prompt module for XEmacs." | |
135 | (add-hook 'pre-command-hook 'erc-move-to-prompt nil t)) | |
136 | ||
137 | ;;; Keep place in unvisited channels | |
138 | (define-erc-module keep-place nil | |
139 | "Leave point above un-viewed text in other channels." | |
140 | ((add-hook 'erc-insert-pre-hook 'erc-keep-place)) | |
141 | ((remove-hook 'erc-insert-pre-hook 'erc-keep-place))) | |
142 | ||
143 | (defun erc-keep-place (ignored) | |
144 | "Move point away from the last line in a non-selected ERC buffer." | |
145 | (when (and (not (eq (window-buffer (selected-window)) | |
146 | (current-buffer))) | |
147 | (>= (point) erc-insert-marker)) | |
148 | (deactivate-mark) | |
149 | (goto-char (erc-beg-of-input-line)) | |
150 | (forward-line -1))) | |
151 | ||
152 | ;;; Distinguish non-commands | |
597993cf MB |
153 | (defvar erc-noncommands-list '(erc-cmd-ME |
154 | erc-cmd-COUNTRY | |
155 | erc-cmd-SV | |
156 | erc-cmd-SM | |
157 | erc-cmd-SMV | |
158 | erc-cmd-LASTLOG) | |
f44407aa | 159 | "List of commands that are aliases for CTCP ACTION or for ERC messages. |
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160 | |
161 | If a command's function symbol is in this list, the typed command | |
162 | does not appear in the ERC buffer after the user presses ENTER.") | |
163 | ||
164 | (define-erc-module noncommands nil | |
f44407aa | 165 | "This mode distinguishes non-commands. |
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166 | Commands listed in `erc-insert-this' know how to display |
167 | themselves." | |
168 | ((add-hook 'erc-send-pre-hook 'erc-send-distinguish-noncommands)) | |
169 | ((remove-hook 'erc-send-pre-hook 'erc-send-distinguish-noncommands))) | |
170 | ||
171 | (defun erc-send-distinguish-noncommands (str) | |
172 | "If STR is an ERC non-command, set `erc-insert-this' to nil." | |
173 | (let* ((command (erc-extract-command-from-line str)) | |
174 | (cmd-fun (and command | |
175 | (car command)))) | |
176 | (when (and cmd-fun | |
177 | (not (string-match "\n.+$" str)) | |
178 | (memq cmd-fun erc-noncommands-list)) | |
179 | (setq erc-insert-this nil)))) | |
180 | ||
181 | ;;; IRC control character processing. | |
182 | (defgroup erc-control-characters nil | |
f44407aa | 183 | "Dealing with control characters." |
597993cf MB |
184 | :group 'erc) |
185 | ||
186 | (defcustom erc-interpret-controls-p t | |
fb7ada5f | 187 | "If non-nil, display IRC colors and other highlighting effects. |
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188 | |
189 | If this is set to the symbol `remove', ERC removes all IRC colors and | |
190 | highlighting effects. When this variable is non-nil, it can cause Emacs to run | |
191 | slowly on systems lacking sufficient CPU speed. In chatty channels, or in an | |
192 | emergency (message flood) it can be turned off to save processing time. See | |
193 | `erc-toggle-interpret-controls'." | |
194 | :group 'erc-control-characters | |
195 | :type '(choice (const :tag "Highlight control characters" t) | |
196 | (const :tag "Remove control characters" remove) | |
197 | (const :tag "Display raw control characters" nil))) | |
198 | ||
199 | (defcustom erc-interpret-mirc-color nil | |
fb7ada5f | 200 | "If non-nil, ERC will interpret mIRC color codes." |
597993cf MB |
201 | :group 'erc-control-characters |
202 | :type 'boolean) | |
203 | ||
204 | (defcustom erc-beep-p nil | |
205 | "Beep if C-g is in the server message. | |
206 | The value `erc-interpret-controls-p' must also be t for this to work." | |
207 | :group 'erc-control-characters | |
208 | :type 'boolean) | |
209 | ||
4b56d0fe | 210 | (defface erc-bold-face '((t :weight bold)) |
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211 | "ERC bold face." |
212 | :group 'erc-faces) | |
4b56d0fe | 213 | |
597993cf | 214 | (defface erc-inverse-face |
4b56d0fe | 215 | '((t :foreground "White" :background "Black")) |
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216 | "ERC inverse face." |
217 | :group 'erc-faces) | |
4b56d0fe CY |
218 | |
219 | (defface erc-underline-face '((t :underline t)) | |
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220 | "ERC underline face." |
221 | :group 'erc-faces) | |
222 | ||
4b56d0fe | 223 | (defface fg:erc-color-face0 '((t :foreground "White")) |
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224 | "ERC face." |
225 | :group 'erc-faces) | |
4b56d0fe | 226 | (defface fg:erc-color-face1 '((t :foreground "black")) |
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227 | "ERC face." |
228 | :group 'erc-faces) | |
4b56d0fe | 229 | (defface fg:erc-color-face2 '((t :foreground "blue4")) |
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230 | "ERC face." |
231 | :group 'erc-faces) | |
4b56d0fe | 232 | (defface fg:erc-color-face3 '((t :foreground "green4")) |
597993cf MB |
233 | "ERC face." |
234 | :group 'erc-faces) | |
4b56d0fe | 235 | (defface fg:erc-color-face4 '((t :foreground "red")) |
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236 | "ERC face." |
237 | :group 'erc-faces) | |
4b56d0fe | 238 | (defface fg:erc-color-face5 '((t :foreground "brown")) |
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239 | "ERC face." |
240 | :group 'erc-faces) | |
4b56d0fe | 241 | (defface fg:erc-color-face6 '((t :foreground "purple")) |
597993cf MB |
242 | "ERC face." |
243 | :group 'erc-faces) | |
4b56d0fe | 244 | (defface fg:erc-color-face7 '((t :foreground "orange")) |
597993cf MB |
245 | "ERC face." |
246 | :group 'erc-faces) | |
4b56d0fe | 247 | (defface fg:erc-color-face8 '((t :foreground "yellow")) |
597993cf MB |
248 | "ERC face." |
249 | :group 'erc-faces) | |
4b56d0fe | 250 | (defface fg:erc-color-face9 '((t :foreground "green")) |
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251 | "ERC face." |
252 | :group 'erc-faces) | |
4b56d0fe | 253 | (defface fg:erc-color-face10 '((t :foreground "lightblue1")) |
597993cf MB |
254 | "ERC face." |
255 | :group 'erc-faces) | |
4b56d0fe | 256 | (defface fg:erc-color-face11 '((t :foreground "cyan")) |
597993cf MB |
257 | "ERC face." |
258 | :group 'erc-faces) | |
4b56d0fe | 259 | (defface fg:erc-color-face12 '((t :foreground "blue")) |
597993cf MB |
260 | "ERC face." |
261 | :group 'erc-faces) | |
4b56d0fe | 262 | (defface fg:erc-color-face13 '((t :foreground "deeppink")) |
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263 | "ERC face." |
264 | :group 'erc-faces) | |
4b56d0fe | 265 | (defface fg:erc-color-face14 '((t :foreground "gray50")) |
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266 | "ERC face." |
267 | :group 'erc-faces) | |
4b56d0fe | 268 | (defface fg:erc-color-face15 '((t :foreground "gray90")) |
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269 | "ERC face." |
270 | :group 'erc-faces) | |
271 | ||
4b56d0fe | 272 | (defface bg:erc-color-face0 '((t :background "White")) |
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273 | "ERC face." |
274 | :group 'erc-faces) | |
4b56d0fe | 275 | (defface bg:erc-color-face1 '((t :background "black")) |
597993cf MB |
276 | "ERC face." |
277 | :group 'erc-faces) | |
4b56d0fe | 278 | (defface bg:erc-color-face2 '((t :background "blue4")) |
597993cf MB |
279 | "ERC face." |
280 | :group 'erc-faces) | |
4b56d0fe | 281 | (defface bg:erc-color-face3 '((t :background "green4")) |
597993cf MB |
282 | "ERC face." |
283 | :group 'erc-faces) | |
4b56d0fe | 284 | (defface bg:erc-color-face4 '((t :background "red")) |
597993cf MB |
285 | "ERC face." |
286 | :group 'erc-faces) | |
4b56d0fe | 287 | (defface bg:erc-color-face5 '((t :background "brown")) |
597993cf MB |
288 | "ERC face." |
289 | :group 'erc-faces) | |
4b56d0fe | 290 | (defface bg:erc-color-face6 '((t :background "purple")) |
597993cf MB |
291 | "ERC face." |
292 | :group 'erc-faces) | |
4b56d0fe | 293 | (defface bg:erc-color-face7 '((t :background "orange")) |
597993cf MB |
294 | "ERC face." |
295 | :group 'erc-faces) | |
4b56d0fe | 296 | (defface bg:erc-color-face8 '((t :background "yellow")) |
597993cf MB |
297 | "ERC face." |
298 | :group 'erc-faces) | |
4b56d0fe | 299 | (defface bg:erc-color-face9 '((t :background "green")) |
597993cf MB |
300 | "ERC face." |
301 | :group 'erc-faces) | |
4b56d0fe | 302 | (defface bg:erc-color-face10 '((t :background "lightblue1")) |
597993cf MB |
303 | "ERC face." |
304 | :group 'erc-faces) | |
4b56d0fe | 305 | (defface bg:erc-color-face11 '((t :background "cyan")) |
597993cf MB |
306 | "ERC face." |
307 | :group 'erc-faces) | |
4b56d0fe | 308 | (defface bg:erc-color-face12 '((t :background "blue")) |
597993cf MB |
309 | "ERC face." |
310 | :group 'erc-faces) | |
4b56d0fe | 311 | (defface bg:erc-color-face13 '((t :background "deeppink")) |
597993cf MB |
312 | "ERC face." |
313 | :group 'erc-faces) | |
4b56d0fe | 314 | (defface bg:erc-color-face14 '((t :background "gray50")) |
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315 | "ERC face." |
316 | :group 'erc-faces) | |
4b56d0fe | 317 | (defface bg:erc-color-face15 '((t :background "gray90")) |
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318 | "ERC face." |
319 | :group 'erc-faces) | |
320 | ||
321 | (defun erc-get-bg-color-face (n) | |
322 | "Fetches the right face for background color N (0-15)." | |
323 | (if (stringp n) (setq n (string-to-number n))) | |
324 | (if (not (numberp n)) | |
526dc846 MO |
325 | (prog1 'default |
326 | (erc-error "erc-get-bg-color-face: n is NaN: %S" n)) | |
597993cf MB |
327 | (when (> n 16) |
328 | (erc-log (format " Wrong color: %s" n)) | |
329 | (setq n (mod n 16))) | |
330 | (cond | |
331 | ((and (>= n 0) (< n 16)) | |
332 | (intern (concat "bg:erc-color-face" (number-to-string n)))) | |
333 | (t (erc-log (format " Wrong color: %s" n)) 'default)))) | |
334 | ||
335 | (defun erc-get-fg-color-face (n) | |
336 | "Fetches the right face for foreground color N (0-15)." | |
337 | (if (stringp n) (setq n (string-to-number n))) | |
338 | (if (not (numberp n)) | |
526dc846 MO |
339 | (prog1 'default |
340 | (erc-error "erc-get-fg-color-face: n is NaN: %S" n)) | |
597993cf MB |
341 | (when (> n 16) |
342 | (erc-log (format " Wrong color: %s" n)) | |
343 | (setq n (mod n 16))) | |
344 | (cond | |
345 | ((and (>= n 0) (< n 16)) | |
346 | (intern (concat "fg:erc-color-face" (number-to-string n)))) | |
347 | (t (erc-log (format " Wrong color: %s" n)) 'default)))) | |
348 | ||
349 | (define-erc-module irccontrols nil | |
350 | "This mode enables the interpretation of IRC control chars." | |
351 | ((add-hook 'erc-insert-modify-hook 'erc-controls-highlight) | |
352 | (add-hook 'erc-send-modify-hook 'erc-controls-highlight)) | |
353 | ((remove-hook 'erc-insert-modify-hook 'erc-controls-highlight) | |
354 | (remove-hook 'erc-send-modify-hook 'erc-controls-highlight))) | |
355 | ||
356 | (defun erc-controls-interpret (str) | |
357 | "Return a copy of STR after dealing with IRC control characters. | |
358 | See `erc-interpret-controls-p' and `erc-interpret-mirc-color' for options." | |
359 | (when str | |
360 | (let ((s str)) | |
361 | (cond ((eq erc-interpret-controls-p 'remove) | |
362 | (erc-controls-strip s)) | |
363 | (erc-interpret-controls-p | |
364 | (let ((boldp nil) | |
365 | (inversep nil) | |
366 | (underlinep nil) | |
367 | (fg nil) | |
368 | (bg nil)) | |
369 | (while (string-match erc-controls-highlight-regexp s) | |
370 | (let ((control (match-string 1 s)) | |
371 | (fg-color (match-string 2 s)) | |
372 | (bg-color (match-string 4 s)) | |
373 | (start (match-beginning 0)) | |
374 | (end (+ (match-beginning 0) | |
375 | (length (match-string 5 s))))) | |
376 | (setq s (erc-replace-match-subexpression-in-string | |
377 | "" s control 1 start)) | |
378 | (cond ((and erc-interpret-mirc-color (or fg-color bg-color)) | |
379 | (setq fg fg-color) | |
380 | (setq bg bg-color)) | |
381 | ((string= control "\C-b") | |
382 | (setq boldp (not boldp))) | |
383 | ((string= control "\C-v") | |
384 | (setq inversep (not inversep))) | |
385 | ((string= control "\C-_") | |
386 | (setq underlinep (not underlinep))) | |
387 | ((string= control "\C-c") | |
388 | (setq fg nil | |
389 | bg nil)) | |
390 | ((string= control "\C-g") | |
391 | (when erc-beep-p | |
392 | (ding))) | |
393 | ((string= control "\C-o") | |
394 | (setq boldp nil | |
395 | inversep nil | |
396 | underlinep nil | |
397 | fg nil | |
398 | bg nil)) | |
399 | (t nil)) | |
400 | (erc-controls-propertize | |
401 | start end boldp inversep underlinep fg bg s))) | |
402 | s)) | |
403 | (t s))))) | |
404 | ||
405 | (defun erc-controls-strip (str) | |
406 | "Return a copy of STR with all IRC control characters removed." | |
407 | (when str | |
408 | (let ((s str)) | |
409 | (while (string-match erc-controls-remove-regexp s) | |
410 | (setq s (replace-match "" nil nil s))) | |
411 | s))) | |
412 | ||
413 | (defvar erc-controls-remove-regexp | |
414 | "\C-b\\|\C-_\\|\C-v\\|\C-g\\|\C-o\\|\C-c[0-9]?[0-9]?\\(,[0-9][0-9]?\\)?" | |
415 | "Regular expression which matches control characters to remove.") | |
416 | ||
417 | (defvar erc-controls-highlight-regexp | |
418 | (concat "\\(\C-b\\|\C-v\\|\C-_\\|\C-g\\|\C-o\\|" | |
419 | "\C-c\\([0-9][0-9]?\\)?\\(,\\([0-9][0-9]?\\)\\)?\\)" | |
420 | "\\([^\C-b\C-v\C-_\C-c\C-g\C-o\n]*\\)") | |
421 | "Regular expression which matches control chars and the text to highlight.") | |
422 | ||
423 | (defun erc-controls-highlight () | |
424 | "Highlight IRC control chars in the buffer. | |
f44407aa JB |
425 | This is useful for `erc-insert-modify-hook' and `erc-send-modify-hook'. |
426 | Also see `erc-interpret-controls-p' and `erc-interpret-mirc-color'." | |
597993cf MB |
427 | (goto-char (point-min)) |
428 | (cond ((eq erc-interpret-controls-p 'remove) | |
429 | (while (re-search-forward erc-controls-remove-regexp nil t) | |
430 | (replace-match ""))) | |
431 | (erc-interpret-controls-p | |
432 | (let ((boldp nil) | |
433 | (inversep nil) | |
434 | (underlinep nil) | |
435 | (fg nil) | |
436 | (bg nil)) | |
437 | (while (re-search-forward erc-controls-highlight-regexp nil t) | |
438 | (let ((control (match-string 1)) | |
439 | (fg-color (match-string 2)) | |
440 | (bg-color (match-string 4)) | |
441 | (start (match-beginning 0)) | |
442 | (end (+ (match-beginning 0) (length (match-string 5))))) | |
443 | (replace-match "" nil nil nil 1) | |
444 | (cond ((and erc-interpret-mirc-color (or fg-color bg-color)) | |
445 | (setq fg fg-color) | |
446 | (setq bg bg-color)) | |
447 | ((string= control "\C-b") | |
448 | (setq boldp (not boldp))) | |
449 | ((string= control "\C-v") | |
450 | (setq inversep (not inversep))) | |
451 | ((string= control "\C-_") | |
452 | (setq underlinep (not underlinep))) | |
453 | ((string= control "\C-c") | |
454 | (setq fg nil | |
455 | bg nil)) | |
456 | ((string= control "\C-g") | |
457 | (when erc-beep-p | |
458 | (ding))) | |
459 | ((string= control "\C-o") | |
460 | (setq boldp nil | |
461 | inversep nil | |
462 | underlinep nil | |
463 | fg nil | |
464 | bg nil)) | |
465 | (t nil)) | |
466 | (erc-controls-propertize start end | |
467 | boldp inversep underlinep fg bg))))) | |
468 | (t nil))) | |
469 | ||
470 | (defun erc-controls-propertize (from to boldp inversep underlinep fg bg | |
471 | &optional str) | |
472 | "Prepend properties from IRC control characters between FROM and TO. | |
473 | If optional argument STR is provided, apply to STR, otherwise prepend properties | |
474 | to a region in the current buffer." | |
475 | (font-lock-prepend-text-property | |
476 | from | |
477 | to | |
478 | 'face | |
479 | (append (if boldp | |
480 | '(erc-bold-face) | |
481 | nil) | |
482 | (if inversep | |
483 | '(erc-inverse-face) | |
484 | nil) | |
485 | (if underlinep | |
486 | '(erc-underline-face) | |
487 | nil) | |
488 | (if fg | |
489 | (list (erc-get-fg-color-face fg)) | |
490 | nil) | |
491 | (if bg | |
492 | (list (erc-get-bg-color-face bg)) | |
493 | nil)) | |
494 | str) | |
495 | str) | |
496 | ||
497 | (defun erc-toggle-interpret-controls (&optional arg) | |
498 | "Toggle interpretation of control sequences in messages. | |
499 | ||
500 | If ARG is positive, interpretation is turned on. | |
501 | Else interpretation is turned off." | |
502 | (interactive "P") | |
503 | (cond ((and (numberp arg) (> arg 0)) | |
504 | (setq erc-interpret-controls-p t)) | |
505 | (arg (setq erc-interpret-controls-p nil)) | |
506 | (t (setq erc-interpret-controls-p (not erc-interpret-controls-p)))) | |
507 | (message "ERC color interpretation %s" | |
508 | (if erc-interpret-controls-p "ON" "OFF"))) | |
509 | ||
510 | ;; Smiley | |
511 | (define-erc-module smiley nil | |
512 | "This mode translates text-smileys such as :-) into pictures. | |
513 | This requires the function `smiley-region', which is defined in | |
514 | smiley.el, which is part of Gnus." | |
515 | ((add-hook 'erc-insert-modify-hook 'erc-smiley) | |
516 | (add-hook 'erc-send-modify-hook 'erc-smiley)) | |
517 | ((remove-hook 'erc-insert-modify-hook 'erc-smiley) | |
518 | (remove-hook 'erc-send-modify-hook 'erc-smiley))) | |
519 | ||
520 | (defun erc-smiley () | |
521 | "Smilify a region. | |
522 | This function should be used with `erc-insert-modify-hook'." | |
523 | (when (fboundp 'smiley-region) | |
524 | (smiley-region (point-min) (point-max)))) | |
525 | ||
526 | ;; Unmorse | |
527 | (define-erc-module unmorse nil | |
528 | "This mode causes morse code in the current channel to be unmorsed." | |
529 | ((add-hook 'erc-insert-modify-hook 'erc-unmorse)) | |
530 | ((remove-hook 'erc-insert-modify-hook 'erc-unmorse))) | |
531 | ||
532 | (defun erc-unmorse () | |
533 | "Unmorse some text. | |
534 | Add this to `erc-insert-modify-hook' if you happen to be on a | |
535 | channel that has weird people talking in morse to each other. | |
536 | ||
537 | See also `unmorse-region'." | |
538 | (goto-char (point-min)) | |
5e56b3fb MO |
539 | (when (re-search-forward "[.-]+\\([.-]*/? *\\)+[.-]+/?" nil t) |
540 | (save-restriction | |
541 | (narrow-to-region (match-beginning 0) (match-end 0)) | |
542 | ;; Turn " / " into " " | |
543 | (goto-char (point-min)) | |
544 | (while (re-search-forward " / " nil t) | |
545 | (replace-match " ")) | |
546 | ;; Turn "/ " into "/" | |
547 | (goto-char (point-min)) | |
548 | (while (re-search-forward "/ " nil t) | |
549 | (replace-match "/")) | |
550 | ;; Unmorse region | |
551 | (unmorse-region (point-min) (point-max))))) | |
597993cf MB |
552 | |
553 | ;;; erc-occur | |
554 | (defun erc-occur (string &optional proc) | |
555 | "Search for STRING in all buffers related to current server. | |
556 | If called interactively and prefix argument is given, search on all connected | |
557 | servers. If called from a program, PROC specifies the server process." | |
558 | (interactive | |
559 | (list (read-string "Search for: ") | |
560 | (if current-prefix-arg | |
561 | nil erc-server-process))) | |
562 | (if (fboundp 'multi-occur) | |
563 | (multi-occur (erc-buffer-list nil proc) string) | |
564 | (error "`multi-occur' is not defined as a function"))) | |
565 | ||
566 | (provide 'erc-goodies) | |
567 | ||
597993cf | 568 | ;;; erc-goodies.el ends here |