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1 ;;; ps-samp.el --- ps-print sample setup code
2
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3 ;; Copyright (C) 2007-2015 Free Software Foundation, Inc.
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4
5 ;; Author: Jim Thompson (was <thompson@wg2.waii.com>)
6 ;; Jacques Duthen (was <duthen@cegelec-red.fr>)
7 ;; Vinicius Jose Latorre <viniciusjl@ig.com.br>
8 ;; Kenichi Handa <handa@m17n.org> (multi-byte characters)
9 ;; Maintainer: Kenichi Handa <handa@m17n.org> (multi-byte characters)
10 ;; Vinicius Jose Latorre <viniciusjl@ig.com.br>
11 ;; Keywords: wp, print, PostScript
12 ;; X-URL: http://www.emacswiki.org/cgi-bin/wiki/ViniciusJoseLatorre
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13 ;; Package: ps-print
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14
15 ;; This file is part of GNU Emacs.
16
17 ;; GNU Emacs is free software: you can redistribute it and/or modify
18 ;; it under the terms of the GNU General Public License as published by
19 ;; the Free Software Foundation, either version 3 of the License, or
20 ;; (at your option) any later version.
21
22 ;; GNU Emacs is distributed in the hope that it will be useful,
23 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
24 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 ;; GNU General Public License for more details.
26
27 ;; You should have received a copy of the GNU General Public License
28 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
29
30 ;;; Commentary:
31
32 ;; See ps-print.el for documentation.
33
34 ;;; Code:
35
36
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37 (require 'ps-print)
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38
39
40 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
41 ;;; Sample Setup Code:
42
43
44 ;; This stuff is for anybody that's brave enough to look this far,
45 ;; and able to figure out how to use it. It isn't really part of
46 ;; ps-print, but I'll leave it here in hopes it might be useful:
47
48 ;; WARNING!!! The following code is *sample* code only.
49 ;; Don't use it unless you understand what it does!
50
51 ;; The key `f22' should probably be replaced by `print'. --Stef
52
53 ;; A hook to bind to `rmail-mode-hook' to locally bind prsc and set the
54 ;; `ps-left-headers' specially for mail messages.
55 (defun ps-rmail-mode-hook ()
56 (local-set-key [(f22)] 'ps-rmail-print-message-from-summary)
57 (setq ps-header-lines 3
58 ps-left-header
59 ;; The left headers will display the message's subject, its
60 ;; author, and the name of the folder it was in.
61 '(ps-article-subject ps-article-author buffer-name)))
62
63 ;; See `ps-gnus-print-article-from-summary'. This function does the
64 ;; same thing for rmail.
65 (defun ps-rmail-print-message-from-summary ()
66 (interactive)
67 (ps-print-message-from-summary 'rmail-summary-buffer "RMAIL"))
68
69 ;; Used in `ps-rmail-print-article-from-summary',
70 ;; `ps-gnus-print-article-from-summary' and `ps-vm-print-message-from-summary'.
71 (defun ps-print-message-from-summary (summary-buffer summary-default)
72 (let ((ps-buf (or (and (boundp summary-buffer)
73 (symbol-value summary-buffer))
74 summary-default)))
75 (and (get-buffer ps-buf)
76 (with-current-buffer ps-buf
77 (ps-spool-buffer-with-faces)))))
78
79 ;; Look in an article or mail message for the Subject: line. To be
80 ;; placed in `ps-left-headers'.
81 (defun ps-article-subject ()
82 (save-excursion
83 (goto-char (point-min))
84 (if (re-search-forward "^Subject:[ \t]+\\(.*\\)$" nil t)
85 (buffer-substring (match-beginning 1) (match-end 1))
86 "Subject ???")))
87
88 ;; Look in an article or mail message for the From: line. Sorta-kinda
89 ;; understands RFC-822 addresses and can pull the real name out where
90 ;; it's provided. To be placed in `ps-left-headers'.
91 (defun ps-article-author ()
92 (save-excursion
93 (goto-char (point-min))
94 (if (re-search-forward "^From:[ \t]+\\(.*\\)$" nil t)
95 (let ((fromstring (buffer-substring (match-beginning 1) (match-end 1))))
96 (cond
97
98 ;; Try first to match addresses that look like
99 ;; thompson@wg2.waii.com (Jim Thompson)
100 ((string-match ".*[ \t]+(\\(.*\\))" fromstring)
101 (substring fromstring (match-beginning 1) (match-end 1)))
102
103 ;; Next try to match addresses that look like
104 ;; Jim Thompson <thompson@wg2.waii.com> or
105 ;; "Jim Thompson" <thompson@wg2.waii.com>
106 ((string-match "\\(\"?\\)\\(.*\\)\\1[ \t]+<.*>" fromstring)
107 (substring fromstring (match-beginning 2) (match-end 2)))
108
109 ;; Couldn't find a real name -- show the address instead.
110 (t fromstring)))
111 "From ???")))
112
113 ;; A hook to bind to `gnus-article-prepare-hook'. This will set the
114 ;; `ps-left-headers' specially for gnus articles. Unfortunately,
115 ;; `gnus-article-mode-hook' is called only once, the first time the *Article*
116 ;; buffer enters that mode, so it would only work for the first time
117 ;; we ran gnus. The second time, this hook wouldn't get set up. The
118 ;; only alternative is `gnus-article-prepare-hook'.
119 (defun ps-gnus-article-prepare-hook ()
120 (setq ps-header-lines 3
121 ps-left-header
122 ;; The left headers will display the article's subject, its
123 ;; author, and the newsgroup it was in.
124 '(ps-article-subject ps-article-author gnus-newsgroup-name)))
125
126 ;; A hook to bind to `vm-mode-hook' to locally bind prsc and set the
127 ;; `ps-left-headers' specially for mail messages.
128 (defun ps-vm-mode-hook ()
129 (local-set-key [(f22)] 'ps-vm-print-message-from-summary)
130 (setq ps-header-lines 3
131 ps-left-header
132 ;; The left headers will display the message's subject, its
133 ;; author, and the name of the folder it was in.
134 '(ps-article-subject ps-article-author buffer-name)))
135
136 ;; Every now and then I forget to switch from the *Summary* buffer to
137 ;; the *Article* before hitting prsc, and a nicely formatted list of
138 ;; article subjects shows up at the printer. This function, bound to
139 ;; prsc for the gnus *Summary* buffer means I don't have to switch
140 ;; buffers first.
141 ;; sb: Updated for Gnus 5.
142 (defun ps-gnus-print-article-from-summary ()
143 (interactive)
144 (ps-print-message-from-summary 'gnus-article-buffer "*Article*"))
145
146 ;; See `ps-gnus-print-article-from-summary'. This function does the
147 ;; same thing for vm.
148 (defun ps-vm-print-message-from-summary ()
149 (interactive)
150 (ps-print-message-from-summary 'vm-mail-buffer ""))
151
152 ;; A hook to bind to bind to `gnus-summary-setup-buffer' to locally bind
153 ;; prsc.
154 (defun ps-gnus-summary-setup ()
155 (local-set-key [(f22)] 'ps-gnus-print-article-from-summary))
156
157 ;; Look in an article or mail message for the Subject: line. To be
158 ;; placed in `ps-left-headers'.
159 (defun ps-info-file ()
160 (save-excursion
161 (goto-char (point-min))
162 (if (re-search-forward "File:[ \t]+\\([^, \t\n]*\\)" nil t)
163 (buffer-substring (match-beginning 1) (match-end 1))
164 "File ???")))
165
166 ;; Look in an article or mail message for the Subject: line. To be
167 ;; placed in `ps-left-headers'.
168 (defun ps-info-node ()
169 (save-excursion
170 (goto-char (point-min))
171 (if (re-search-forward "Node:[ \t]+\\([^,\t\n]*\\)" nil t)
172 (buffer-substring (match-beginning 1) (match-end 1))
173 "Node ???")))
174
175 (defun ps-info-mode-hook ()
176 (setq ps-left-header
177 ;; The left headers will display the node name and file name.
178 '(ps-info-node ps-info-file)))
179
180 ;; WARNING! The following function is a *sample* only, and is *not*
181 ;; meant to be used as a whole unless you understand what the effects
182 ;; will be! (In fact, this is a copy of Jim's setup for ps-print --
183 ;; I'd be very surprised if it was useful to *anybody*, without
184 ;; modification.)
185
186 (defun ps-jts-ps-setup ()
187 (global-set-key [(f22)] 'ps-spool-buffer-with-faces) ;f22 is prsc
188 (global-set-key [(shift f22)] 'ps-spool-region-with-faces)
189 (global-set-key [(control f22)] 'ps-despool)
190 (add-hook 'gnus-article-prepare-hook 'ps-gnus-article-prepare-hook)
191 (add-hook 'gnus-summary-mode-hook 'ps-gnus-summary-setup)
192 (add-hook 'vm-mode-hook 'ps-vm-mode-hook)
193 (add-hook 'vm-mode-hooks 'ps-vm-mode-hook)
194 (add-hook 'Info-mode-hook 'ps-info-mode-hook)
195 (setq ps-spool-duplex t
196 ps-print-color-p nil
197 ps-lpr-command "lpr"
198 ps-lpr-switches '("-Jjct,duplex_long"))
199 'ps-jts-ps-setup)
200
201 ;; WARNING! The following function is a *sample* only, and is *not*
202 ;; meant to be used as a whole unless it corresponds to your needs.
203 ;; (In fact, this is a copy of Jack's setup for ps-print --
204 ;; I would not be that surprised if it was useful to *anybody*,
205 ;; without modification.)
206
207 (defun ps-jack-setup ()
208 (setq ps-print-color-p nil
209 ps-lpr-command "lpr"
210 ps-lpr-switches nil
211
212 ps-paper-type 'a4
213 ps-landscape-mode t
214 ps-number-of-columns 2
215
216 ps-left-margin (/ (* 72 1.0) 2.54) ; 1.0 cm
217 ps-right-margin (/ (* 72 1.0) 2.54) ; 1.0 cm
218 ps-inter-column (/ (* 72 1.0) 2.54) ; 1.0 cm
219 ps-bottom-margin (/ (* 72 1.5) 2.54) ; 1.5 cm
220 ps-top-margin (/ (* 72 1.5) 2.54) ; 1.5 cm
221 ps-header-offset (/ (* 72 1.0) 2.54) ; 1.0 cm
222 ps-header-line-pad .15
223 ps-print-header t
224 ps-print-header-frame t
225 ps-header-lines 2
226 ps-show-n-of-n t
227 ps-spool-duplex nil
228
229 ps-font-family 'Courier
230 ps-font-size 5.5
231 ps-header-font-family 'Helvetica
232 ps-header-font-size 6
233 ps-header-title-font-size 8)
234 'ps-jack-setup)
235
236
237 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
238
239 ;; If zeroconf is enabled, all CUPS printers can be detected. The
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240 ;; "PostScript printer" menu will be modified dynamically, as printers
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241 ;; are added or removed.
242
243 ;; Preconditions:
244 ;;
245 ;; * Emacs has D-Bus support enabled. That is, D-Bus is installed on
246 ;; the system, and Emacs has been configured and built with the
247 ;; --with-dbus option.
248 ;;
249 ;; * The zeroconf daemon avahi-daemon is running.
250 ;;
251 ;; * CUPS has enabled the option "Share published printers connected
252 ;; to this system" (see <http://localhost:631/admin>).
253
254
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255 (require 'printing)
256 (require 'zeroconf)
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257
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258 ;; Add a PostScript printer to the "PostScript printer" menu.
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259 (defun ps-add-printer (service)
260 (let ((name (zeroconf-service-name service))
261 (text (zeroconf-service-txt service))
262 (addr (zeroconf-service-address service))
263 (port (zeroconf-service-port service))
264 is-ps cups-queue)
265 ;; `text' is an array of key=value strings like ("Duplex=T" "Copies=T").
266 (dolist (string text)
267 (let ((split (split-string string "=" t)))
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268 ;; If it is a PostScript printer, there must be a string like
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269 ;; "pdl=application/postscript,application/vnd.hp-PCL,...".
270 (when (and (string-equal "pdl" (car split))
271 (string-match "application/postscript" (cadr split)))
272 (setq is-ps t))
273 ;; A CUPS printer queue is coded as "rp=printers/<name>".
274 (when (and (string-equal "rp" (car split))
275 (string-match "printers/\\(.+\\)" (cadr split)))
276 (setq cups-queue (match-string 1 (cadr split))))))
277 ;; Add the printer.
278 (when is-ps
279 (if cups-queue
280 (add-to-list
281 'pr-ps-printer-alist (list (intern name) "lpr" nil "-P" cups-queue))
282 ;; No CUPS printer, but a network printer.
283 (add-to-list
284 'pr-ps-printer-alist (list (intern name) "cupsdoprint"
285 '("-P" "default")
286 "-H" (format "%s:%s" addr port))))
287 (pr-update-menus t))))
288
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289 ;; Remove a printer from the "PostScript printer" menu.
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290 (defun ps-remove-printer (service)
291 (setq pr-ps-printer-alist
292 (delete (assoc (intern (zeroconf-service-name service))
293 pr-ps-printer-alist)
294 pr-ps-printer-alist))
295 (pr-update-menus t))
296
297 ;; Activate the functions in zeroconf.
298 (defun ps-make-dynamic-printer-menu ()
299 (when (featurep 'dbusbind)
300 (zeroconf-init)
301 (zeroconf-service-add-hook "_ipp._tcp" :new 'ps-add-printer)
302 (zeroconf-service-add-hook "_ipp._tcp" :removed 'ps-remove-printer)))
303
304
305 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
306
307 (provide 'ps-samp)
308
309 ;;; ps-samp.el ends here
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