Merge from gnulib
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1 ;;; ps-samp.el --- ps-print sample setup code
3 ;; Copyright (C) 2007-2015 Free Software Foundation, Inc.
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
13 ;; Package: ps-print
15 ;; This file is part of GNU Emacs.
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.
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.
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/>.
30 ;;; Commentary:
32 ;; Some example hacks for ps-print.el.
33 ;; This stuff is for anybody that's brave enough to look this far,
34 ;; and able to figure out how to use it. It isn't really part of
35 ;; ps-print, but I'll leave it here in hopes it might be useful:
37 ;; WARNING!!! The following code is *sample* code only.
38 ;; Don't use it unless you understand what it does!
40 ;;; Code:
42 (require 'ps-print)
46 ;; A hook to bind to `rmail-mode-hook' to locally bind prsc and set
47 ;; `ps-left-header' specially for mail messages.
48 (defun ps-rmail-mode-hook ()
49 (local-set-key [print] 'ps-rmail-print-message-from-summary)
50 (setq-local ps-header-lines 3)
51 ;; The left header will display the message's subject, its
52 ;; author, and the name of the folder it was in.
53 (setq-local ps-left-header
54 '(ps-article-subject ps-article-author buffer-name)))
56 ;; Like `ps-gnus-print-article-from-summary', but for rmail.
57 (defun ps-rmail-print-message-from-summary ()
58 (interactive)
59 (ps-print-message-from-summary 'rmail-summary-buffer "RMAIL"))
61 ;; Used in `ps-rmail-print-article-from-summary',
62 ;; `ps-gnus-print-article-from-summary' and `ps-vm-print-message-from-summary'.
63 (defun ps-print-message-from-summary (summary-buffer summary-default)
64 (let ((ps-buf (or (and (boundp summary-buffer)
65 (symbol-value summary-buffer))
66 summary-default)))
67 (and (get-buffer ps-buf)
68 (with-current-buffer ps-buf
69 (ps-spool-buffer-with-faces)))))
71 ;; Look in an article or mail message for the Subject: line.
72 (defun ps-article-subject ()
73 (save-excursion
74 (save-restriction
75 (narrow-to-region (point-min) (progn (rfc822-goto-eoh) (point)))
76 (concat "Subject: " (or (mail-fetch-field "Subject") "???")))))
78 ;; Look in an article or mail message for the From: line. Sorta-kinda
79 ;; understands RFC-822 addresses and can pull the real name out where
80 ;; it's provided.
81 (defun ps-article-author ()
82 (save-excursion
83 (save-restriction
84 (narrow-to-region (point-min) (progn (rfc822-goto-eoh) (point)))
85 (let ((fromstring (mail-fetch-field "From")))
86 (cond
87 ;; Try first to match addresses that look like
88 ;; thompson@wg2.waii.com (Jim Thompson)
89 ((and fromstring (string-match ".*[ \t]+(\\(.*\\))" fromstring))
90 (match-string 1 fromstring))
91 ;; Next try to match addresses that look like
92 ;; Jim Thompson <thompson@wg2.waii.com> or
93 ;; "Jim Thompson" <thompson@wg2.waii.com>
94 ((and fromstring
95 (string-match "\\(\"?\\)\\(.*\\)\\1[ \t]+<.*>" fromstring))
96 (match-string 2 fromstring))
97 ;; Couldn't find a real name -- show the address instead.
98 (fromstring)
99 (t "From ???"))))))
101 ;; A hook to bind to `gnus-article-prepare-hook'. This will set
102 ;; `ps-left-header' specially for gnus articles. Unfortunately,
103 ;; `gnus-article-mode-hook' is called only once, the first time the *Article*
104 ;; buffer enters that mode, so it would only work for the first time
105 ;; we ran gnus. The second time, this hook wouldn't get set up. The
106 ;; only alternative is `gnus-article-prepare-hook'.
107 (defun ps-gnus-article-prepare-hook ()
108 (setq-local ps-header-lines 3)
109 ;; The left headers will display the article's subject, its
110 ;; author, and the newsgroup it was in.
111 (setq-local ps-left-header
112 '(ps-article-subject ps-article-author gnus-newsgroup-name)))
114 ;; A hook to bind to `vm-mode-hook' to locally bind prsc and set
115 ;; `ps-left-header' specially for mail messages.
116 (defun ps-vm-mode-hook ()
117 (local-set-key [print] 'ps-vm-print-message-from-summary)
118 (setq-local ps-header-lines 3)
119 ;; The left headers will display the message's subject, its
120 ;; author, and the name of the folder it was in.
121 (setq-local ps-left-header
122 '(ps-article-subject ps-article-author buffer-name)))
124 ;; Every now and then I forget to switch from the *Summary* buffer to
125 ;; the *Article* before hitting prsc, and a nicely formatted list of
126 ;; article subjects shows up at the printer. This function, bound to
127 ;; prsc for the gnus *Summary* buffer means I don't have to switch
128 ;; buffers first.
129 (defun ps-gnus-print-article-from-summary ()
130 (interactive)
131 (ps-print-message-from-summary 'gnus-article-buffer "*Article*"))
133 ;; Like `ps-gnus-print-article-from-summary', but for vm.
134 (defun ps-vm-print-message-from-summary ()
135 (interactive)
136 (ps-print-message-from-summary 'vm-mail-buffer ""))
138 ;; A hook to bind to `gnus-summary-setup-buffer' to locally bind prsc.
139 (defun ps-gnus-summary-setup ()
140 (local-set-key [print] 'ps-gnus-print-article-from-summary))
142 (defun ps-info-file ()
143 (save-excursion
144 (goto-char (point-min))
145 (if (re-search-forward "File:[ \t]+\\([^, \t\n]*\\)" nil t)
146 (match-string 1)
147 "File ???")))
149 (defun ps-info-node ()
150 (save-excursion
151 (goto-char (point-min))
152 (if (re-search-forward "Node:[ \t]+\\([^,\t\n]*\\)" nil t)
153 (match-string 1)
154 "Node ???")))
156 (defun ps-info-mode-hook ()
157 ;; The left headers will display the node name and file name.
158 (setq-local ps-left-header '(ps-info-node ps-info-file)))
160 ;; WARNING! The following function is a *sample* only, and is *not* meant
161 ;; to be used as a whole unless you understand what the effects will be!
162 (defun ps-samp-ps-setup ()
163 (global-set-key [print] 'ps-spool-buffer-with-faces)
164 (global-set-key [S-print] 'ps-spool-region-with-faces)
165 (global-set-key [C-print] 'ps-despool)
166 (add-hook 'gnus-article-prepare-hook 'ps-gnus-article-prepare-hook)
167 (add-hook 'gnus-summary-mode-hook 'ps-gnus-summary-setup)
168 (add-hook 'vm-mode-hook 'ps-vm-mode-hook)
169 (add-hook 'vm-mode-hooks 'ps-vm-mode-hook)
170 (add-hook 'Info-mode-hook 'ps-info-mode-hook)
171 (setq ps-spool-duplex t
172 ps-print-color-p nil
173 ps-lpr-command "lpr"
174 ps-lpr-switches '("-Jjct,duplex_long")
175 ps-paper-type 'a4
176 ps-landscape-mode t
177 ps-number-of-columns 2
178 ps-left-margin (/ (* 72 1.0) 2.54) ; 1.0 cm
179 ps-right-margin (/ (* 72 1.0) 2.54) ; 1.0 cm
180 ps-inter-column (/ (* 72 1.0) 2.54) ; 1.0 cm
181 ps-bottom-margin (/ (* 72 1.5) 2.54) ; 1.5 cm
182 ps-top-margin (/ (* 72 1.5) 2.54) ; 1.5 cm
183 ps-header-offset (/ (* 72 1.0) 2.54) ; 1.0 cm
184 ps-header-line-pad .15
185 ps-print-header t
186 ps-print-header-frame t
187 ps-header-lines 2
188 ps-show-n-of-n t
189 ps-spool-duplex nil
190 ps-font-family 'Courier
191 ps-font-size 5.5
192 ps-header-font-family 'Helvetica
193 ps-header-font-size 6
194 ps-header-title-font-size 8))
197 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
199 ;; If zeroconf is enabled, all CUPS printers can be detected. The
200 ;; "PostScript printer" menu will be modified dynamically, as printers
201 ;; are added or removed.
203 ;; Preconditions:
205 ;; * Emacs has D-Bus support enabled. That is, D-Bus is installed on
206 ;; the system, and Emacs has been configured and built with the
207 ;; --with-dbus option.
209 ;; * The zeroconf daemon avahi-daemon is running.
211 ;; * CUPS has enabled the option "Share published printers connected
212 ;; to this system" (see <http://localhost:631/admin>).
215 (require 'printing)
216 (require 'zeroconf)
218 ;; Add a PostScript printer to the "PostScript printer" menu.
219 (defun ps-add-printer (service)
220 (let ((name (zeroconf-service-name service))
221 (text (zeroconf-service-txt service))
222 (addr (zeroconf-service-address service))
223 (port (zeroconf-service-port service))
224 is-ps cups-queue)
225 ;; `text' is an array of key=value strings like ("Duplex=T" "Copies=T").
226 (dolist (string text)
227 (let ((split (split-string string "=" t)))
228 ;; If it is a PostScript printer, there must be a string like
229 ;; "pdl=application/postscript,application/vnd.hp-PCL,...".
230 (when (and (string-equal "pdl" (car split))
231 (string-match "application/postscript" (cadr split)))
232 (setq is-ps t))
233 ;; A CUPS printer queue is coded as "rp=printers/<name>".
234 (when (and (string-equal "rp" (car split))
235 (string-match "printers/\\(.+\\)" (cadr split)))
236 (setq cups-queue (match-string 1 (cadr split))))))
237 ;; Add the printer.
238 (when is-ps
239 (if cups-queue
240 (add-to-list
241 'pr-ps-printer-alist (list (intern name) "lpr" nil "-P" cups-queue))
242 ;; No CUPS printer, but a network printer.
243 (add-to-list
244 'pr-ps-printer-alist (list (intern name) "cupsdoprint"
245 '("-P" "default")
246 "-H" (format "%s:%s" addr port))))
247 (pr-update-menus t))))
249 ;; Remove a printer from the "PostScript printer" menu.
250 (defun ps-remove-printer (service)
251 (setq pr-ps-printer-alist
252 (delete (assoc (intern (zeroconf-service-name service))
253 pr-ps-printer-alist)
254 pr-ps-printer-alist))
255 (pr-update-menus t))
257 ;; Activate the functions in zeroconf.
258 (defun ps-make-dynamic-printer-menu ()
259 (when (featurep 'dbusbind)
260 (zeroconf-init)
261 (zeroconf-service-add-hook "_ipp._tcp" :new 'ps-add-printer)
262 (zeroconf-service-add-hook "_ipp._tcp" :removed 'ps-remove-printer)))
265 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
267 (provide 'ps-samp)
269 ;;; ps-samp.el ends here