1;;; mh-print.el --- MH-E printing support 2 3;; Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. 4 5;; Author: Jeffrey C Honig <jch@honig.net> 6;; Maintainer: Bill Wohler <wohler@newt.com> 7;; Keywords: mail 8;; See: mh-e.el 9 10;; This file is part of GNU Emacs. 11 12;; GNU Emacs is free software; you can redistribute it and/or modify 13;; it under the terms of the GNU General Public License as published by 14;; the Free Software Foundation; either version 2, or (at your option) 15;; any later version. 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 23;; along with GNU Emacs; see the file COPYING. If not, write to the 24;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 25;; Boston, MA 02110-1301, USA. 26 27;;; Commentary: 28 29;;; Change Log: 30 31;;; Code: 32 33(require 'mh-e) 34(require 'mh-scan) 35 36(require 'ps-print) 37 38(defvar mh-ps-print-color-option ps-print-color-p 39 "Specify how buffer's text color is printed. 40 41Valid values are: 42 43 nil - Do not print colors. 44 t - Print colors. 45 black-white - Print colors on black/white printer. 46 See also `ps-black-white-faces'. 47 48Any other value is treated as t. This variable is initialized 49from `ps-print-color-p'.") 50 51(defvar mh-ps-print-func 'ps-spool-buffer-with-faces 52 "Function to use to spool a buffer. 53 54Sensible choices are the functions `ps-spool-buffer' and 55`ps-spool-buffer-with-faces'.") 56 57;;;###mh-autoload 58(defun mh-ps-print-msg (range) 59 "Print RANGE\\<mh-folder-mode-map>. 60 61Check the documentation of `mh-interactive-range' to see how RANGE is 62read in interactive use. 63 64This command will print inline text attachments but will not decrypt 65messages. However, when a message is displayed in an MH-Show buffer, 66then that buffer is used verbatim for printing with the caveat that 67only text attachments, if opened inline, are printed. Therefore, 68encrypted messages can be printed by showing and decrypting them 69first. 70 71MH-E uses the \"ps-print\" package to do the printing, so you can 72customize the printing further by going to the `ps-print' 73customization group. This command does not use the options 74`mh-lpr-command-format' or `mh-print-background-flag'. See also the 75commands \\[mh-ps-print-toggle-color] and 76\\[mh-ps-print-toggle-faces]." 77 (interactive (list (mh-interactive-range "Print"))) 78 (mh-ps-print-range range nil)) 79 80(defun mh-ps-print-range (range file) 81 "Print RANGE to FILE. 82 83This is the function that actually does the work. 84If FILE is nil, then the messages are spooled to the printer." 85 (mh-iterate-on-range msg range 86 (unwind-protect 87 (mh-ps-spool-msg msg)) 88 (mh-notate msg mh-note-printed mh-cmd-note)) 89 (ps-despool file)) 90 91(defun mh-ps-spool-msg (msg) 92 "Spool MSG." 93 (let* ((folder mh-current-folder) 94 (buffer (mh-in-show-buffer (mh-show-buffer) 95 (if (not (equal (mh-msg-filename msg folder) 96 buffer-file-name)) 97 (get-buffer-create mh-temp-buffer))))) 98 (unwind-protect 99 (save-excursion 100 (if buffer 101 (let ((mh-show-buffer buffer)) 102 (mh-display-msg msg folder))) 103 (mh-ps-spool-buffer (if buffer buffer mh-show-buffer))) 104 (if buffer 105 (kill-buffer buffer))))) 106 107(defun mh-ps-spool-buffer (buffer) 108 "Spool BUFFER." 109 (save-excursion 110 (set-buffer buffer) 111 (let ((ps-print-color-p mh-ps-print-color-option) 112 (ps-left-header 113 (list 114 (concat "(" (mh-get-header-field "Subject:") ")") 115 (concat "(" (mh-get-header-field "From:") ")"))) 116 (ps-right-header 117 (list 118 "/pagenumberstring load" 119 (concat "(" (mh-get-header-field "Date:") ")")))) 120 (funcall mh-ps-print-func)))) 121 122;;;###mh-autoload 123(defun mh-ps-print-msg-file (range file) 124 "Print RANGE to FILE\\<mh-folder-mode-map>. 125 126Check the documentation of `mh-interactive-range' to see how RANGE is 127read in interactive use. 128 129This command will print inline text attachments but will not decrypt 130messages. However, when a message is displayed in an MH-Show buffer, 131then that buffer is used verbatim for printing with the caveat that 132only text attachments, if opened inline, are printed. Therefore, 133encrypted messages can be printed by showing and decrypting them 134first. 135 136MH-E uses the \"ps-print\" package to do the printing, so you can 137customize the printing further by going to the `ps-print' 138customization group. This command does not use the options 139`mh-lpr-command-format' or `mh-print-background-flag'. See also the 140commands \\[mh-ps-print-toggle-color] and 141\\[mh-ps-print-toggle-faces]." 142 (interactive (list (mh-interactive-range "Print") (mh-ps-print-preprint 1))) 143 (mh-ps-print-range range file)) 144 145(defun mh-ps-print-preprint (prefix-arg) 146 "Provide a better default file name for `ps-print-preprint'. 147Pass along the PREFIX-ARG to it." 148 (let ((buffer-file-name (format "mh-%s" (substring (buffer-name) 1)))) 149 (ps-print-preprint prefix-arg))) 150 151;;;###mh-autoload 152(defun mh-ps-print-toggle-faces () 153 "Toggle whether printing is done with faces or not. 154 155When faces are enabled, the printed message will look very 156similar to the message in the MH-Show buffer." 157 (interactive) 158 (if (eq mh-ps-print-func 'ps-spool-buffer-with-faces) 159 (progn 160 (setq mh-ps-print-func 'ps-spool-buffer) 161 (message "Printing without faces")) 162 (setq mh-ps-print-func 'ps-spool-buffer-with-faces) 163 (message "Printing with faces"))) 164 165;;;###mh-autoload 166(defun mh-ps-print-toggle-color () 167 "Toggle whether color is used in printing messages. 168 169Colors are emulated on black-and-white printers with shades of 170gray. This might produce illegible output, even if your screen 171colors only use shades of gray. If this is the case, try using 172this command to toggle between color, no color, and a black and 173white representation of the colors and see which works best. You 174change this setting permanently by customizing the option 175`ps-print-color-p'." 176 (interactive) 177 (if (eq mh-ps-print-color-option nil) 178 (progn 179 (setq mh-ps-print-color-option 'black-white) 180 (message "Colors will be printed as black & white")) 181 (if (eq mh-ps-print-color-option 'black-white) 182 (progn 183 (setq mh-ps-print-color-option t) 184 (message "Colors will be printed")) 185 (setq mh-ps-print-color-option nil) 186 (message "Colors will not be printed")))) 187 188;; Old non-PS based printing 189;;;###mh-autoload 190(defun mh-print-msg (range) 191 "Print RANGE the old fashioned way\\<mh-folder-mode-map>. 192 193The message is formatted with \"mhl\" (see option 194`mh-mhl-format-file') and printed with the \"lpr\" command (see 195option `mh-lpr-command-format'). 196 197Check the documentation of `mh-interactive-range' to see how 198RANGE is read in interactive use. 199 200Consider using \\[mh-ps-print-msg] instead." 201 (interactive (list (mh-interactive-range "Print"))) 202 (message "Printing...") 203 (let (msgs) 204 ;; Gather message numbers and add them to "printed" sequence. 205 (mh-iterate-on-range msg range 206 (mh-add-msgs-to-seq msg 'printed t) 207 (mh-notate nil mh-note-printed mh-cmd-note) 208 (push msg msgs)) 209 (setq msgs (nreverse msgs)) 210 ;; Print scan listing if we have more than one message. 211 (if (> (length msgs) 1) 212 (let* ((msgs-string 213 (mapconcat 'identity (mh-list-to-string 214 (mh-coalesce-msg-list msgs)) " ")) 215 (lpr-command 216 (format mh-lpr-command-format 217 (cond ((listp range) 218 (format "Folder: %s, Messages: %s" 219 mh-current-folder msgs-string)) 220 ((symbolp range) 221 (format "Folder: %s, Sequence: %s" 222 mh-current-folder range))))) 223 (scan-command 224 (format "scan %s | %s" msgs-string lpr-command))) 225 (if mh-print-background-flag 226 (mh-exec-cmd-daemon shell-file-name nil "-c" scan-command) 227 (call-process shell-file-name nil nil nil "-c" scan-command)))) 228 ;; Print the messages 229 (dolist (msg msgs) 230 (let* ((mhl-command (format "%s %s %s" 231 (expand-file-name "mhl" mh-lib-progs) 232 (if mh-mhl-format-file 233 (format " -form %s" mh-mhl-format-file) 234 "") 235 (mh-msg-filename msg))) 236 (lpr-command 237 (format mh-lpr-command-format 238 (format "%s/%s" mh-current-folder msg))) 239 (print-command 240 (format "%s | %s" mhl-command lpr-command))) 241 (if mh-print-background-flag 242 (mh-exec-cmd-daemon shell-file-name nil "-c" print-command) 243 (call-process shell-file-name nil nil nil "-c" print-command))))) 244 (message "Printing...done")) 245 246(provide 'mh-print) 247 248;; Local Variables: 249;; indent-tabs-mode: nil 250;; sentence-end-double-space: nil 251;; End: 252 253;; arch-tag: 8d84d50b-2a49-4d0d-b51e-ba9c9b6fc679 254;;; mh-print.el ends here 255