notmuch-print.el (3328B)
1 ;;; notmuch-print.el --- printing messages from notmuch -*- lexical-binding: t -*- 2 ;; 3 ;; Copyright © David Edmondson 4 ;; 5 ;; This file is part of Notmuch. 6 ;; 7 ;; Notmuch is free software: you can redistribute it and/or modify it 8 ;; under the terms of the GNU General Public License as published by 9 ;; the Free Software Foundation, either version 3 of the License, or 10 ;; (at your option) any later version. 11 ;; 12 ;; Notmuch is distributed in the hope that it will be useful, but 13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of 14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 ;; General Public License for more details. 16 ;; 17 ;; You should have received a copy of the GNU General Public License 18 ;; along with Notmuch. If not, see <https://www.gnu.org/licenses/>. 19 ;; 20 ;; Authors: David Edmondson <dme@dme.org> 21 22 ;;; Code: 23 24 (require 'notmuch-lib) 25 26 (declare-function notmuch-show-get-prop "notmuch-show" (prop &optional props)) 27 28 ;;; Options 29 30 (defcustom notmuch-print-mechanism 'notmuch-print-lpr 31 "How should printing be done?" 32 :group 'notmuch-show 33 :type '(choice 34 (function :tag "Use lpr" notmuch-print-lpr) 35 (function :tag "Use ps-print" notmuch-print-ps-print) 36 (function :tag "Use ps-print then evince" notmuch-print-ps-print/evince) 37 (function :tag "Use muttprint" notmuch-print-muttprint) 38 (function :tag "Use muttprint then evince" notmuch-print-muttprint/evince) 39 (function :tag "Using a custom function"))) 40 41 ;;; Utility functions 42 43 (defun notmuch-print-run-evince (file) 44 "View FILE using `evince'." 45 (start-process "evince" nil "evince" file)) 46 47 (defun notmuch-print-run-muttprint (&optional output) 48 "Pass the contents of the current buffer to `muttprint'. 49 50 Optional OUTPUT allows passing a list of flags to muttprint." 51 (apply #'notmuch--call-process-region (point-min) (point-max) 52 ;; Reads from stdin. 53 "muttprint" 54 nil nil nil 55 ;; Show the tags. 56 "--printed-headers" "Date_To_From_CC_Newsgroups_*Subject*_/Tags/" 57 output)) 58 59 ;;; User-visible functions 60 61 (defun notmuch-print-lpr (_msg) 62 "Print a message buffer using lpr." 63 (lpr-buffer)) 64 65 (defun notmuch-print-ps-print (msg) 66 "Print a message buffer using the ps-print package." 67 (let ((subject (notmuch-prettify-subject 68 (plist-get (notmuch-show-get-prop :headers msg) :Subject)))) 69 (rename-buffer subject t) 70 (ps-print-buffer))) 71 72 (defun notmuch-print-ps-print/evince (msg) 73 "Preview a message buffer using ps-print and evince." 74 (let ((ps-file (make-temp-file "notmuch" nil ".ps")) 75 (subject (notmuch-prettify-subject 76 (plist-get (notmuch-show-get-prop :headers msg) :Subject)))) 77 (rename-buffer subject t) 78 (ps-print-buffer ps-file) 79 (notmuch-print-run-evince ps-file))) 80 81 (defun notmuch-print-muttprint (_msg) 82 "Print a message using muttprint." 83 (notmuch-print-run-muttprint)) 84 85 (defun notmuch-print-muttprint/evince (_msg) 86 "Preview a message buffer using muttprint and evince." 87 (let ((ps-file (make-temp-file "notmuch" nil ".ps"))) 88 (notmuch-print-run-muttprint (list "--printer" (concat "TO_FILE:" ps-file))) 89 (notmuch-print-run-evince ps-file))) 90 91 (defun notmuch-print-message (msg) 92 "Print a message using the user-selected mechanism." 93 (set-buffer-modified-p nil) 94 (funcall notmuch-print-mechanism msg)) 95 96 ;;; _ 97 98 (provide 'notmuch-print) 99 100 ;;; notmuch-print.el ends here