;;; ps-samp.el --- ps-print sample setup code ;; Copyright (C) 2007-2020 Free Software Foundation, Inc. ;; Author: Jim Thompson (was ) ;; Jacques Duthen (was ) ;; Vinicius Jose Latorre ;; Kenichi Handa (multi-byte characters) ;; Maintainer: Vinicius Jose Latorre ;; Keywords: wp, print, PostScript ;; X-URL: https://www.emacswiki.org/cgi-bin/wiki/ViniciusJoseLatorre ;; Package: ps-print ;; This file is part of GNU Emacs. ;; GNU Emacs is free software: you can redistribute it and/or modify ;; it under the terms of the GNU General Public License as published by ;; the Free Software Foundation, either version 3 of the License, or ;; (at your option) any later version. ;; GNU Emacs is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; You should have received a copy of the GNU General Public License ;; along with GNU Emacs. If not, see . ;;; Commentary: ;; Some example hacks for ps-print.el. ;; This stuff is for anybody that's brave enough to look this far, ;; and able to figure out how to use it. It isn't really part of ;; ps-print, but I'll leave it here in hopes it might be useful: ;; WARNING!!! The following code is *sample* code only. ;; Don't use it unless you understand what it does! ;;; Code: (require 'ps-print) ;; A hook to bind to `rmail-mode-hook' to locally bind prsc and set ;; `ps-left-header' specially for mail messages. (defun ps-rmail-mode-hook () (local-set-key [print] 'ps-rmail-print-message-from-summary) (setq-local ps-header-lines 3) ;; The left header will display the message's subject, its ;; author, and the name of the folder it was in. (setq-local ps-left-header '(ps-article-subject ps-article-author buffer-name))) ;; Like `ps-gnus-print-article-from-summary', but for rmail. (defun ps-rmail-print-message-from-summary () (interactive) (ps-print-message-from-summary 'rmail-summary-buffer "RMAIL")) ;; Used in `ps-rmail-print-message-from-summary', ;; `ps-gnus-print-article-from-summary' and `ps-vm-print-message-from-summary'. (defun ps-print-message-from-summary (summary-buffer summary-default) (let ((ps-buf (or (and (boundp summary-buffer) (symbol-value summary-buffer)) summary-default))) (and (get-buffer ps-buf) (with-current-buffer ps-buf (ps-spool-buffer-with-faces))))) ;; Look in an article or mail message for the Subject: line. (defun ps-article-subject () (save-excursion (save-restriction (narrow-to-region (point-min) (progn (rfc822-goto-eoh) (point))) (concat "Subject: " (or (mail-fetch-field "Subject") "???"))))) ;; Look in an article or mail message for the From: line. Sorta-kinda ;; understands RFC 822 (or later) addresses and can pull the real name ;; out where it's provided. (defun ps-article-author () (save-excursion (save-restriction (narrow-to-region (point-min) (progn (rfc822-goto-eoh) (point))) (let ((fromstring (mail-fetch-field "From"))) (cond ;; Try first to match addresses that look like ;; thompson@wg2.waii.com (Jim Thompson) ((and fromstring (string-match ".*[ \t]+(\\(.*\\))" fromstring)) (match-string 1 fromstring)) ;; Next try to match addresses that look like ;; Jim Thompson or ;; "Jim Thompson" ((and fromstring (string-match "\\(\"?\\)\\(.*\\)\\1[ \t]+<.*>" fromstring)) (match-string 2 fromstring)) ;; Couldn't find a real name -- show the address instead. (fromstring) (t "From ???")))))) ;; A hook to bind to `gnus-article-prepare-hook'. This will set ;; `ps-left-header' specially for gnus articles. Unfortunately, ;; `gnus-article-mode-hook' is called only once, the first time the *Article* ;; buffer enters that mode, so it would only work for the first time ;; we ran gnus. The second time, this hook wouldn't get set up. The ;; only alternative is `gnus-article-prepare-hook'. (defun ps-gnus-article-prepare-hook () (setq-local ps-header-lines 3) ;; The left headers will display the article's subject, its ;; author, and the newsgroup it was in. (setq-local ps-left-header '(ps-article-subject ps-article-author gnus-newsgroup-name))) ;; A hook to bind to `vm-mode-hook' to locally bind prsc and set ;; `ps-left-header' specially for mail messages. (defun ps-vm-mode-hook () (local-set-key [print] 'ps-vm-print-message-from-summary) (setq-local ps-header-lines 3) ;; The left headers will display the message's subject, its ;; author, and the name of the folder it was in. (setq-local ps-left-header '(ps-article-subject ps-article-author buffer-name))) ;; Every now and then I forget to switch from the *Summary* buffer to ;; the *Article* before hitting prsc, and a nicely formatted list of ;; article subjects shows up at the printer. This function, bound to ;; prsc for the gnus *Summary* buffer means I don't have to switch ;; buffers first. (defun ps-gnus-print-article-from-summary () (interactive) (ps-print-message-from-summary 'gnus-article-buffer "*Article*")) ;; Like `ps-gnus-print-article-from-summary', but for vm. (defun ps-vm-print-message-from-summary () (interactive) (ps-print-message-from-summary 'vm-mail-buffer "")) ;; A hook to bind to `gnus-summary-setup-buffer' to locally bind prsc. (defun ps-gnus-summary-setup () (local-set-key [print] 'ps-gnus-print-article-from-summary)) (defun ps-info-file () (save-excursion (goto-char (point-min)) (if (re-search-forward "File:[ \t]+\\([^, \t\n]*\\)" nil t) (match-string 1) "File ???"))) (defun ps-info-node () (save-excursion (goto-char (point-min)) (if (re-search-forward "Node:[ \t]+\\([^,\t\n]*\\)" nil t) (match-string 1) "Node ???"))) (defun ps-info-mode-hook () ;; The left headers will display the node name and file name. (setq-local ps-left-header '(ps-info-node ps-info-file))) ;; WARNING! The following function is a *sample* only, and is *not* meant ;; to be used as a whole unless you understand what the effects will be! (defun ps-samp-ps-setup () (global-set-key [print] 'ps-spool-buffer-with-faces) (global-set-key [S-print] 'ps-spool-region-with-faces) (global-set-key [C-print] 'ps-despool) (add-hook 'gnus-article-prepare-hook 'ps-gnus-article-prepare-hook) (add-hook 'gnus-summary-mode-hook 'ps-gnus-summary-setup) (add-hook 'vm-mode-hook 'ps-vm-mode-hook) (add-hook 'vm-mode-hooks 'ps-vm-mode-hook) (add-hook 'Info-mode-hook 'ps-info-mode-hook) (setq ps-spool-duplex t ps-print-color-p nil ps-lpr-command "lpr" ps-lpr-switches '("-Jjct,duplex_long") ps-paper-type 'a4 ps-landscape-mode t ps-number-of-columns 2 ps-left-margin (/ (* 72 1.0) 2.54) ; 1.0 cm ps-right-margin (/ (* 72 1.0) 2.54) ; 1.0 cm ps-inter-column (/ (* 72 1.0) 2.54) ; 1.0 cm ps-bottom-margin (/ (* 72 1.5) 2.54) ; 1.5 cm ps-top-margin (/ (* 72 1.5) 2.54) ; 1.5 cm ps-header-offset (/ (* 72 1.0) 2.54) ; 1.0 cm ps-header-line-pad .15 ps-print-header t ps-print-header-frame t ps-header-lines 2 ps-show-n-of-n t ps-spool-duplex nil ps-font-family 'Courier ps-font-size 5.5 ps-header-font-family 'Helvetica ps-header-font-size 6 ps-header-title-font-size 8)) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; If zeroconf is enabled, all CUPS printers can be detected. The ;; "PostScript printer" menu will be modified dynamically, as printers ;; are added or removed. ;; Preconditions: ;; ;; * Emacs has D-Bus support enabled. That is, D-Bus is installed on ;; the system, and Emacs has been configured and built with the ;; --with-dbus option. ;; ;; * The zeroconf daemon avahi-daemon is running. ;; ;; * CUPS has enabled the option "Share published printers connected ;; to this system" (see ). (require 'printing) (require 'zeroconf) ;; Add a PostScript printer to the "PostScript printer" menu. (defun ps-add-printer (service) (let ((name (zeroconf-service-name service)) (text (zeroconf-service-txt service)) (addr (zeroconf-service-address service)) (port (zeroconf-service-port service)) is-ps cups-queue) ;; `text' is an array of key=value strings like ("Duplex=T" "Copies=T"). (dolist (string text) (let ((split (split-string string "=" t))) ;; If it is a PostScript printer, there must be a string like ;; "pdl=application/postscript,application/vnd.hp-PCL,...". (when (and (string-equal "pdl" (car split)) (string-match "application/postscript" (cadr split))) (setq is-ps t)) ;; A CUPS printer queue is coded as "rp=printers/". (when (and (string-equal "rp" (car split)) (string-match "printers/\\(.+\\)" (cadr split))) (setq cups-queue (match-string 1 (cadr split)))))) ;; Add the printer. (when is-ps (if cups-queue (add-to-list 'pr-ps-printer-alist (list (intern name) "lpr" nil "-P" cups-queue)) ;; No CUPS printer, but a network printer. (add-to-list 'pr-ps-printer-alist (list (intern name) "cupsdoprint" '("-P" "default") "-H" (format "%s:%s" addr port)))) (pr-update-menus t)))) ;; Remove a printer from the "PostScript printer" menu. (defun ps-remove-printer (service) (setq pr-ps-printer-alist (delete (assoc (intern (zeroconf-service-name service)) pr-ps-printer-alist) pr-ps-printer-alist)) (pr-update-menus t)) ;; Activate the functions in zeroconf. (defun ps-make-dynamic-printer-menu () (when (featurep 'dbusbind) (zeroconf-init) (zeroconf-service-add-hook "_ipp._tcp" :new 'ps-add-printer) (zeroconf-service-add-hook "_ipp._tcp" :removed 'ps-remove-printer))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; (provide 'ps-samp) ;;; ps-samp.el ends here