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1 | ;; erc-goodies.el --- Collection of ERC modules |
2 | ||
acaf905b | 3 | ;; Copyright (C) 2001-2012 Free Software Foundation, Inc. |
597993cf MB |
4 | |
5 | ;; Author: Jorgen Schaefer <forcer@forcix.cx> | |
6 | ||
7 | ;; Most code is taken verbatim from erc.el, see there for the original | |
8 | ;; authors. | |
9 | ||
10 | ;; This file is part of GNU Emacs. | |
11 | ||
4ee57b2a | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
597993cf | 13 | ;; it under the terms of the GNU General Public License as published by |
4ee57b2a GM |
14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
597993cf MB |
16 | |
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
4ee57b2a | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
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24 | |
25 | ;;; Commentary: | |
26 | ||
27 | ;; This provides some small but still useful modes for ERC. | |
28 | ||
29 | ;;; Code: | |
30 | ||
31 | (require 'erc) | |
32 | ||
5e56b3fb MO |
33 | ;;; Imenu support |
34 | ||
35 | (defun erc-imenu-setup () | |
36 | "Setup Imenu support in an ERC buffer." | |
37 | (set (make-local-variable 'imenu-create-index-function) | |
38 | 'erc-create-imenu-index)) | |
39 | ||
40 | (add-hook 'erc-mode-hook 'erc-imenu-setup) | |
597993cf MB |
41 | (autoload 'erc-create-imenu-index "erc-imenu" "Imenu index creation function") |
42 | ||
43 | ;;; Automatically scroll to bottom | |
44 | (defcustom erc-input-line-position nil | |
45 | "Specify where to position the input line when using `erc-scroll-to-bottom'. | |
46 | ||
47 | This should be an integer specifying the line of the buffer on which | |
48 | the input line should stay. A value of \"-1\" would keep the input | |
49 | line positioned on the last line in the buffer. This is passed as an | |
50 | argument to `recenter'." | |
51 | :group 'erc-display | |
52 | :type '(choice integer (const nil))) | |
53 | ||
54 | (define-erc-module scrolltobottom nil | |
5e56b3fb MO |
55 | "This mode causes the prompt to stay at the end of the window." |
56 | ((add-hook 'erc-mode-hook 'erc-add-scroll-to-bottom) | |
57 | (dolist (buffer (erc-buffer-list)) | |
58 | (with-current-buffer buffer | |
59 | (erc-add-scroll-to-bottom)))) | |
60 | ((remove-hook 'erc-mode-hook 'erc-add-scroll-to-bottom) | |
61 | (dolist (buffer (erc-buffer-list)) | |
62 | (with-current-buffer buffer | |
7c2b8880 | 63 | (remove-hook 'post-command-hook 'erc-scroll-to-bottom t))))) |
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64 | |
65 | (defun erc-add-scroll-to-bottom () | |
66 | "A hook function for `erc-mode-hook' to recenter output at bottom of window. | |
67 | ||
68 | If you find that ERC hangs when using this function, try customizing | |
69 | the value of `erc-input-line-position'. | |
70 | ||
71 | This works whenever scrolling happens, so it's added to | |
72 | `window-scroll-functions' rather than `erc-insert-post-hook'." | |
7c2b8880 | 73 | (add-hook 'post-command-hook 'erc-scroll-to-bottom nil t)) |
597993cf | 74 | |
7c2b8880 | 75 | (defun erc-scroll-to-bottom () |
597993cf MB |
76 | "Recenter WINDOW so that `point' is on the last line. |
77 | ||
78 | This is added to `window-scroll-functions' by `erc-add-scroll-to-bottom'. | |
79 | ||
80 | You can control which line is recentered to by customizing the | |
7c2b8880 | 81 | variable `erc-input-line-position'." |
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82 | ;; Temporarily bind resize-mini-windows to nil so that users who have it |
83 | ;; set to a non-nil value will not suffer from premature minibuffer | |
84 | ;; shrinkage due to the below recenter call. I have no idea why this | |
85 | ;; works, but it solves the problem, and has no negative side effects. | |
86 | ;; (Fran Litterio, 2003/01/07) | |
7c2b8880 AL |
87 | (let ((resize-mini-windows nil)) |
88 | (save-restriction | |
89 | (widen) | |
90 | (when (and erc-insert-marker | |
91 | ;; we're editing a line. Scroll. | |
92 | (> (point) erc-insert-marker)) | |
93 | (save-excursion | |
94 | (goto-char (point-max)) | |
95 | (recenter (or erc-input-line-position -1))))))) | |
597993cf MB |
96 | |
97 | ;;; Make read only | |
98 | (define-erc-module readonly nil | |
99 | "This mode causes all inserted text to be read-only." | |
100 | ((add-hook 'erc-insert-post-hook 'erc-make-read-only) | |
101 | (add-hook 'erc-send-post-hook 'erc-make-read-only)) | |
102 | ((remove-hook 'erc-insert-post-hook 'erc-make-read-only) | |
103 | (remove-hook 'erc-send-post-hook 'erc-make-read-only))) | |
104 | ||
105 | (defun erc-make-read-only () | |
106 | "Make all the text in the current buffer read-only. | |
107 | Put this function on `erc-insert-post-hook' and/or `erc-send-post-hook'." | |
108 | (put-text-property (point-min) (point-max) 'read-only t) | |
109 | (put-text-property (point-min) (point-max) 'front-sticky t) | |
110 | (put-text-property (point-min) (point-max) 'rear-nonsticky t)) | |
111 | ||
5e56b3fb MO |
112 | ;;; Move to prompt when typing text |
113 | (define-erc-module move-to-prompt nil | |
114 | "This mode causes the point to be moved to the prompt when typing text." | |
115 | ((add-hook 'erc-mode-hook 'erc-move-to-prompt-setup) | |
116 | (dolist (buffer (erc-buffer-list)) | |
117 | (with-current-buffer buffer | |
118 | (erc-move-to-prompt-setup)))) | |
119 | ((remove-hook 'erc-mode-hook 'erc-move-to-prompt-setup) | |
120 | (dolist (buffer (erc-buffer-list)) | |
121 | (with-current-buffer buffer | |
122 | (remove-hook 'pre-command-hook 'erc-move-to-prompt t))))) | |
123 | ||
124 | (defun erc-move-to-prompt () | |
125 | "Move the point to the ERC prompt if this is a self-inserting command." | |
126 | (when (and erc-input-marker (< (point) erc-input-marker) | |
127 | (eq 'self-insert-command this-command)) | |
128 | (deactivate-mark) | |
129 | (push-mark) | |
130 | (goto-char (point-max)))) | |
131 | ||
132 | (defun erc-move-to-prompt-setup () | |
133 | "Initialize the move-to-prompt module for XEmacs." | |
134 | (add-hook 'pre-command-hook 'erc-move-to-prompt nil t)) | |
135 | ||
136 | ;;; Keep place in unvisited channels | |
137 | (define-erc-module keep-place nil | |
138 | "Leave point above un-viewed text in other channels." | |
139 | ((add-hook 'erc-insert-pre-hook 'erc-keep-place)) | |
140 | ((remove-hook 'erc-insert-pre-hook 'erc-keep-place))) | |
141 | ||
142 | (defun erc-keep-place (ignored) | |
143 | "Move point away from the last line in a non-selected ERC buffer." | |
144 | (when (and (not (eq (window-buffer (selected-window)) | |
145 | (current-buffer))) | |
146 | (>= (point) erc-insert-marker)) | |
147 | (deactivate-mark) | |
148 | (goto-char (erc-beg-of-input-line)) | |
149 | (forward-line -1))) | |
150 | ||
151 | ;;; Distinguish non-commands | |
597993cf MB |
152 | (defvar erc-noncommands-list '(erc-cmd-ME |
153 | erc-cmd-COUNTRY | |
154 | erc-cmd-SV | |
155 | erc-cmd-SM | |
156 | erc-cmd-SMV | |
157 | erc-cmd-LASTLOG) | |
f44407aa | 158 | "List of commands that are aliases for CTCP ACTION or for ERC messages. |
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159 | |
160 | If a command's function symbol is in this list, the typed command | |
161 | does not appear in the ERC buffer after the user presses ENTER.") | |
162 | ||
163 | (define-erc-module noncommands nil | |
f44407aa | 164 | "This mode distinguishes non-commands. |
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165 | Commands listed in `erc-insert-this' know how to display |
166 | themselves." | |
167 | ((add-hook 'erc-send-pre-hook 'erc-send-distinguish-noncommands)) | |
168 | ((remove-hook 'erc-send-pre-hook 'erc-send-distinguish-noncommands))) | |
169 | ||
170 | (defun erc-send-distinguish-noncommands (str) | |
171 | "If STR is an ERC non-command, set `erc-insert-this' to nil." | |
172 | (let* ((command (erc-extract-command-from-line str)) | |
173 | (cmd-fun (and command | |
174 | (car command)))) | |
175 | (when (and cmd-fun | |
176 | (not (string-match "\n.+$" str)) | |
177 | (memq cmd-fun erc-noncommands-list)) | |
178 | (setq erc-insert-this nil)))) | |
179 | ||
180 | ;;; IRC control character processing. | |
181 | (defgroup erc-control-characters nil | |
f44407aa | 182 | "Dealing with control characters." |
597993cf MB |
183 | :group 'erc) |
184 | ||
185 | (defcustom erc-interpret-controls-p t | |
fb7ada5f | 186 | "If non-nil, display IRC colors and other highlighting effects. |
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187 | |
188 | If this is set to the symbol `remove', ERC removes all IRC colors and | |
189 | highlighting effects. When this variable is non-nil, it can cause Emacs to run | |
190 | slowly on systems lacking sufficient CPU speed. In chatty channels, or in an | |
191 | emergency (message flood) it can be turned off to save processing time. See | |
192 | `erc-toggle-interpret-controls'." | |
193 | :group 'erc-control-characters | |
194 | :type '(choice (const :tag "Highlight control characters" t) | |
195 | (const :tag "Remove control characters" remove) | |
196 | (const :tag "Display raw control characters" nil))) | |
197 | ||
198 | (defcustom erc-interpret-mirc-color nil | |
fb7ada5f | 199 | "If non-nil, ERC will interpret mIRC color codes." |
597993cf MB |
200 | :group 'erc-control-characters |
201 | :type 'boolean) | |
202 | ||
203 | (defcustom erc-beep-p nil | |
204 | "Beep if C-g is in the server message. | |
205 | The value `erc-interpret-controls-p' must also be t for this to work." | |
206 | :group 'erc-control-characters | |
207 | :type 'boolean) | |
208 | ||
4b56d0fe | 209 | (defface erc-bold-face '((t :weight bold)) |
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210 | "ERC bold face." |
211 | :group 'erc-faces) | |
4b56d0fe | 212 | |
597993cf | 213 | (defface erc-inverse-face |
4b56d0fe | 214 | '((t :foreground "White" :background "Black")) |
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215 | "ERC inverse face." |
216 | :group 'erc-faces) | |
4b56d0fe CY |
217 | |
218 | (defface erc-underline-face '((t :underline t)) | |
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219 | "ERC underline face." |
220 | :group 'erc-faces) | |
221 | ||
4b56d0fe | 222 | (defface fg:erc-color-face0 '((t :foreground "White")) |
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223 | "ERC face." |
224 | :group 'erc-faces) | |
4b56d0fe | 225 | (defface fg:erc-color-face1 '((t :foreground "black")) |
597993cf MB |
226 | "ERC face." |
227 | :group 'erc-faces) | |
4b56d0fe | 228 | (defface fg:erc-color-face2 '((t :foreground "blue4")) |
597993cf MB |
229 | "ERC face." |
230 | :group 'erc-faces) | |
4b56d0fe | 231 | (defface fg:erc-color-face3 '((t :foreground "green4")) |
597993cf MB |
232 | "ERC face." |
233 | :group 'erc-faces) | |
4b56d0fe | 234 | (defface fg:erc-color-face4 '((t :foreground "red")) |
597993cf MB |
235 | "ERC face." |
236 | :group 'erc-faces) | |
4b56d0fe | 237 | (defface fg:erc-color-face5 '((t :foreground "brown")) |
597993cf MB |
238 | "ERC face." |
239 | :group 'erc-faces) | |
4b56d0fe | 240 | (defface fg:erc-color-face6 '((t :foreground "purple")) |
597993cf MB |
241 | "ERC face." |
242 | :group 'erc-faces) | |
4b56d0fe | 243 | (defface fg:erc-color-face7 '((t :foreground "orange")) |
597993cf MB |
244 | "ERC face." |
245 | :group 'erc-faces) | |
4b56d0fe | 246 | (defface fg:erc-color-face8 '((t :foreground "yellow")) |
597993cf MB |
247 | "ERC face." |
248 | :group 'erc-faces) | |
4b56d0fe | 249 | (defface fg:erc-color-face9 '((t :foreground "green")) |
597993cf MB |
250 | "ERC face." |
251 | :group 'erc-faces) | |
4b56d0fe | 252 | (defface fg:erc-color-face10 '((t :foreground "lightblue1")) |
597993cf MB |
253 | "ERC face." |
254 | :group 'erc-faces) | |
4b56d0fe | 255 | (defface fg:erc-color-face11 '((t :foreground "cyan")) |
597993cf MB |
256 | "ERC face." |
257 | :group 'erc-faces) | |
4b56d0fe | 258 | (defface fg:erc-color-face12 '((t :foreground "blue")) |
597993cf MB |
259 | "ERC face." |
260 | :group 'erc-faces) | |
4b56d0fe | 261 | (defface fg:erc-color-face13 '((t :foreground "deeppink")) |
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262 | "ERC face." |
263 | :group 'erc-faces) | |
4b56d0fe | 264 | (defface fg:erc-color-face14 '((t :foreground "gray50")) |
597993cf MB |
265 | "ERC face." |
266 | :group 'erc-faces) | |
4b56d0fe | 267 | (defface fg:erc-color-face15 '((t :foreground "gray90")) |
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268 | "ERC face." |
269 | :group 'erc-faces) | |
270 | ||
4b56d0fe | 271 | (defface bg:erc-color-face0 '((t :background "White")) |
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272 | "ERC face." |
273 | :group 'erc-faces) | |
4b56d0fe | 274 | (defface bg:erc-color-face1 '((t :background "black")) |
597993cf MB |
275 | "ERC face." |
276 | :group 'erc-faces) | |
4b56d0fe | 277 | (defface bg:erc-color-face2 '((t :background "blue4")) |
597993cf MB |
278 | "ERC face." |
279 | :group 'erc-faces) | |
4b56d0fe | 280 | (defface bg:erc-color-face3 '((t :background "green4")) |
597993cf MB |
281 | "ERC face." |
282 | :group 'erc-faces) | |
4b56d0fe | 283 | (defface bg:erc-color-face4 '((t :background "red")) |
597993cf MB |
284 | "ERC face." |
285 | :group 'erc-faces) | |
4b56d0fe | 286 | (defface bg:erc-color-face5 '((t :background "brown")) |
597993cf MB |
287 | "ERC face." |
288 | :group 'erc-faces) | |
4b56d0fe | 289 | (defface bg:erc-color-face6 '((t :background "purple")) |
597993cf MB |
290 | "ERC face." |
291 | :group 'erc-faces) | |
4b56d0fe | 292 | (defface bg:erc-color-face7 '((t :background "orange")) |
597993cf MB |
293 | "ERC face." |
294 | :group 'erc-faces) | |
4b56d0fe | 295 | (defface bg:erc-color-face8 '((t :background "yellow")) |
597993cf MB |
296 | "ERC face." |
297 | :group 'erc-faces) | |
4b56d0fe | 298 | (defface bg:erc-color-face9 '((t :background "green")) |
597993cf MB |
299 | "ERC face." |
300 | :group 'erc-faces) | |
4b56d0fe | 301 | (defface bg:erc-color-face10 '((t :background "lightblue1")) |
597993cf MB |
302 | "ERC face." |
303 | :group 'erc-faces) | |
4b56d0fe | 304 | (defface bg:erc-color-face11 '((t :background "cyan")) |
597993cf MB |
305 | "ERC face." |
306 | :group 'erc-faces) | |
4b56d0fe | 307 | (defface bg:erc-color-face12 '((t :background "blue")) |
597993cf MB |
308 | "ERC face." |
309 | :group 'erc-faces) | |
4b56d0fe | 310 | (defface bg:erc-color-face13 '((t :background "deeppink")) |
597993cf MB |
311 | "ERC face." |
312 | :group 'erc-faces) | |
4b56d0fe | 313 | (defface bg:erc-color-face14 '((t :background "gray50")) |
597993cf MB |
314 | "ERC face." |
315 | :group 'erc-faces) | |
4b56d0fe | 316 | (defface bg:erc-color-face15 '((t :background "gray90")) |
597993cf MB |
317 | "ERC face." |
318 | :group 'erc-faces) | |
319 | ||
320 | (defun erc-get-bg-color-face (n) | |
321 | "Fetches the right face for background color N (0-15)." | |
322 | (if (stringp n) (setq n (string-to-number n))) | |
323 | (if (not (numberp n)) | |
526dc846 MO |
324 | (prog1 'default |
325 | (erc-error "erc-get-bg-color-face: n is NaN: %S" n)) | |
597993cf MB |
326 | (when (> n 16) |
327 | (erc-log (format " Wrong color: %s" n)) | |
328 | (setq n (mod n 16))) | |
329 | (cond | |
330 | ((and (>= n 0) (< n 16)) | |
331 | (intern (concat "bg:erc-color-face" (number-to-string n)))) | |
332 | (t (erc-log (format " Wrong color: %s" n)) 'default)))) | |
333 | ||
334 | (defun erc-get-fg-color-face (n) | |
335 | "Fetches the right face for foreground color N (0-15)." | |
336 | (if (stringp n) (setq n (string-to-number n))) | |
337 | (if (not (numberp n)) | |
526dc846 MO |
338 | (prog1 'default |
339 | (erc-error "erc-get-fg-color-face: n is NaN: %S" n)) | |
597993cf MB |
340 | (when (> n 16) |
341 | (erc-log (format " Wrong color: %s" n)) | |
342 | (setq n (mod n 16))) | |
343 | (cond | |
344 | ((and (>= n 0) (< n 16)) | |
345 | (intern (concat "fg:erc-color-face" (number-to-string n)))) | |
346 | (t (erc-log (format " Wrong color: %s" n)) 'default)))) | |
347 | ||
348 | (define-erc-module irccontrols nil | |
349 | "This mode enables the interpretation of IRC control chars." | |
350 | ((add-hook 'erc-insert-modify-hook 'erc-controls-highlight) | |
351 | (add-hook 'erc-send-modify-hook 'erc-controls-highlight)) | |
352 | ((remove-hook 'erc-insert-modify-hook 'erc-controls-highlight) | |
353 | (remove-hook 'erc-send-modify-hook 'erc-controls-highlight))) | |
354 | ||
355 | (defun erc-controls-interpret (str) | |
356 | "Return a copy of STR after dealing with IRC control characters. | |
357 | See `erc-interpret-controls-p' and `erc-interpret-mirc-color' for options." | |
358 | (when str | |
359 | (let ((s str)) | |
360 | (cond ((eq erc-interpret-controls-p 'remove) | |
361 | (erc-controls-strip s)) | |
362 | (erc-interpret-controls-p | |
363 | (let ((boldp nil) | |
364 | (inversep nil) | |
365 | (underlinep nil) | |
366 | (fg nil) | |
367 | (bg nil)) | |
368 | (while (string-match erc-controls-highlight-regexp s) | |
369 | (let ((control (match-string 1 s)) | |
370 | (fg-color (match-string 2 s)) | |
371 | (bg-color (match-string 4 s)) | |
372 | (start (match-beginning 0)) | |
373 | (end (+ (match-beginning 0) | |
374 | (length (match-string 5 s))))) | |
375 | (setq s (erc-replace-match-subexpression-in-string | |
376 | "" s control 1 start)) | |
377 | (cond ((and erc-interpret-mirc-color (or fg-color bg-color)) | |
378 | (setq fg fg-color) | |
379 | (setq bg bg-color)) | |
380 | ((string= control "\C-b") | |
381 | (setq boldp (not boldp))) | |
382 | ((string= control "\C-v") | |
383 | (setq inversep (not inversep))) | |
384 | ((string= control "\C-_") | |
385 | (setq underlinep (not underlinep))) | |
386 | ((string= control "\C-c") | |
387 | (setq fg nil | |
388 | bg nil)) | |
389 | ((string= control "\C-g") | |
390 | (when erc-beep-p | |
391 | (ding))) | |
392 | ((string= control "\C-o") | |
393 | (setq boldp nil | |
394 | inversep nil | |
395 | underlinep nil | |
396 | fg nil | |
397 | bg nil)) | |
398 | (t nil)) | |
399 | (erc-controls-propertize | |
400 | start end boldp inversep underlinep fg bg s))) | |
401 | s)) | |
402 | (t s))))) | |
403 | ||
404 | (defun erc-controls-strip (str) | |
405 | "Return a copy of STR with all IRC control characters removed." | |
406 | (when str | |
407 | (let ((s str)) | |
408 | (while (string-match erc-controls-remove-regexp s) | |
409 | (setq s (replace-match "" nil nil s))) | |
410 | s))) | |
411 | ||
412 | (defvar erc-controls-remove-regexp | |
413 | "\C-b\\|\C-_\\|\C-v\\|\C-g\\|\C-o\\|\C-c[0-9]?[0-9]?\\(,[0-9][0-9]?\\)?" | |
414 | "Regular expression which matches control characters to remove.") | |
415 | ||
416 | (defvar erc-controls-highlight-regexp | |
417 | (concat "\\(\C-b\\|\C-v\\|\C-_\\|\C-g\\|\C-o\\|" | |
418 | "\C-c\\([0-9][0-9]?\\)?\\(,\\([0-9][0-9]?\\)\\)?\\)" | |
419 | "\\([^\C-b\C-v\C-_\C-c\C-g\C-o\n]*\\)") | |
420 | "Regular expression which matches control chars and the text to highlight.") | |
421 | ||
422 | (defun erc-controls-highlight () | |
423 | "Highlight IRC control chars in the buffer. | |
f44407aa JB |
424 | This is useful for `erc-insert-modify-hook' and `erc-send-modify-hook'. |
425 | Also see `erc-interpret-controls-p' and `erc-interpret-mirc-color'." | |
597993cf MB |
426 | (goto-char (point-min)) |
427 | (cond ((eq erc-interpret-controls-p 'remove) | |
428 | (while (re-search-forward erc-controls-remove-regexp nil t) | |
429 | (replace-match ""))) | |
430 | (erc-interpret-controls-p | |
431 | (let ((boldp nil) | |
432 | (inversep nil) | |
433 | (underlinep nil) | |
434 | (fg nil) | |
435 | (bg nil)) | |
436 | (while (re-search-forward erc-controls-highlight-regexp nil t) | |
437 | (let ((control (match-string 1)) | |
438 | (fg-color (match-string 2)) | |
439 | (bg-color (match-string 4)) | |
440 | (start (match-beginning 0)) | |
441 | (end (+ (match-beginning 0) (length (match-string 5))))) | |
442 | (replace-match "" nil nil nil 1) | |
443 | (cond ((and erc-interpret-mirc-color (or fg-color bg-color)) | |
444 | (setq fg fg-color) | |
445 | (setq bg bg-color)) | |
446 | ((string= control "\C-b") | |
447 | (setq boldp (not boldp))) | |
448 | ((string= control "\C-v") | |
449 | (setq inversep (not inversep))) | |
450 | ((string= control "\C-_") | |
451 | (setq underlinep (not underlinep))) | |
452 | ((string= control "\C-c") | |
453 | (setq fg nil | |
454 | bg nil)) | |
455 | ((string= control "\C-g") | |
456 | (when erc-beep-p | |
457 | (ding))) | |
458 | ((string= control "\C-o") | |
459 | (setq boldp nil | |
460 | inversep nil | |
461 | underlinep nil | |
462 | fg nil | |
463 | bg nil)) | |
464 | (t nil)) | |
465 | (erc-controls-propertize start end | |
466 | boldp inversep underlinep fg bg))))) | |
467 | (t nil))) | |
468 | ||
469 | (defun erc-controls-propertize (from to boldp inversep underlinep fg bg | |
470 | &optional str) | |
471 | "Prepend properties from IRC control characters between FROM and TO. | |
472 | If optional argument STR is provided, apply to STR, otherwise prepend properties | |
473 | to a region in the current buffer." | |
474 | (font-lock-prepend-text-property | |
475 | from | |
476 | to | |
477 | 'face | |
478 | (append (if boldp | |
479 | '(erc-bold-face) | |
480 | nil) | |
481 | (if inversep | |
482 | '(erc-inverse-face) | |
483 | nil) | |
484 | (if underlinep | |
485 | '(erc-underline-face) | |
486 | nil) | |
487 | (if fg | |
488 | (list (erc-get-fg-color-face fg)) | |
489 | nil) | |
490 | (if bg | |
491 | (list (erc-get-bg-color-face bg)) | |
492 | nil)) | |
493 | str) | |
494 | str) | |
495 | ||
496 | (defun erc-toggle-interpret-controls (&optional arg) | |
497 | "Toggle interpretation of control sequences in messages. | |
498 | ||
499 | If ARG is positive, interpretation is turned on. | |
500 | Else interpretation is turned off." | |
501 | (interactive "P") | |
502 | (cond ((and (numberp arg) (> arg 0)) | |
503 | (setq erc-interpret-controls-p t)) | |
504 | (arg (setq erc-interpret-controls-p nil)) | |
505 | (t (setq erc-interpret-controls-p (not erc-interpret-controls-p)))) | |
506 | (message "ERC color interpretation %s" | |
507 | (if erc-interpret-controls-p "ON" "OFF"))) | |
508 | ||
509 | ;; Smiley | |
510 | (define-erc-module smiley nil | |
511 | "This mode translates text-smileys such as :-) into pictures. | |
512 | This requires the function `smiley-region', which is defined in | |
513 | smiley.el, which is part of Gnus." | |
514 | ((add-hook 'erc-insert-modify-hook 'erc-smiley) | |
515 | (add-hook 'erc-send-modify-hook 'erc-smiley)) | |
516 | ((remove-hook 'erc-insert-modify-hook 'erc-smiley) | |
517 | (remove-hook 'erc-send-modify-hook 'erc-smiley))) | |
518 | ||
519 | (defun erc-smiley () | |
520 | "Smilify a region. | |
521 | This function should be used with `erc-insert-modify-hook'." | |
522 | (when (fboundp 'smiley-region) | |
523 | (smiley-region (point-min) (point-max)))) | |
524 | ||
525 | ;; Unmorse | |
526 | (define-erc-module unmorse nil | |
527 | "This mode causes morse code in the current channel to be unmorsed." | |
528 | ((add-hook 'erc-insert-modify-hook 'erc-unmorse)) | |
529 | ((remove-hook 'erc-insert-modify-hook 'erc-unmorse))) | |
530 | ||
531 | (defun erc-unmorse () | |
532 | "Unmorse some text. | |
533 | Add this to `erc-insert-modify-hook' if you happen to be on a | |
534 | channel that has weird people talking in morse to each other. | |
535 | ||
536 | See also `unmorse-region'." | |
537 | (goto-char (point-min)) | |
5e56b3fb MO |
538 | (when (re-search-forward "[.-]+\\([.-]*/? *\\)+[.-]+/?" nil t) |
539 | (save-restriction | |
540 | (narrow-to-region (match-beginning 0) (match-end 0)) | |
541 | ;; Turn " / " into " " | |
542 | (goto-char (point-min)) | |
543 | (while (re-search-forward " / " nil t) | |
544 | (replace-match " ")) | |
545 | ;; Turn "/ " into "/" | |
546 | (goto-char (point-min)) | |
547 | (while (re-search-forward "/ " nil t) | |
548 | (replace-match "/")) | |
549 | ;; Unmorse region | |
550 | (unmorse-region (point-min) (point-max))))) | |
597993cf MB |
551 | |
552 | ;;; erc-occur | |
553 | (defun erc-occur (string &optional proc) | |
554 | "Search for STRING in all buffers related to current server. | |
555 | If called interactively and prefix argument is given, search on all connected | |
556 | servers. If called from a program, PROC specifies the server process." | |
557 | (interactive | |
558 | (list (read-string "Search for: ") | |
559 | (if current-prefix-arg | |
560 | nil erc-server-process))) | |
561 | (if (fboundp 'multi-occur) | |
562 | (multi-occur (erc-buffer-list nil proc) string) | |
563 | (error "`multi-occur' is not defined as a function"))) | |
564 | ||
565 | (provide 'erc-goodies) | |
566 | ||
597993cf | 567 | ;;; erc-goodies.el ends here |