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100 lines
3.3 KiB
EmacsLisp
100 lines
3.3 KiB
EmacsLisp
;;; notmuch-print.el --- printing messages from notmuch -*- lexical-binding: t -*-
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;;
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;; Copyright © David Edmondson
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;;
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;; This file is part of Notmuch.
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;;
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;; Notmuch is free software: you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;;
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;; Notmuch is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with Notmuch. If not, see <https://www.gnu.org/licenses/>.
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;;
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;; Authors: David Edmondson <dme@dme.org>
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;;; Code:
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(require 'notmuch-lib)
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(declare-function notmuch-show-get-prop "notmuch-show" (prop &optional props))
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;;; Options
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(defcustom notmuch-print-mechanism 'notmuch-print-lpr
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"How should printing be done?"
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:group 'notmuch-show
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:type '(choice
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(function :tag "Use lpr" notmuch-print-lpr)
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(function :tag "Use ps-print" notmuch-print-ps-print)
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(function :tag "Use ps-print then evince" notmuch-print-ps-print/evince)
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(function :tag "Use muttprint" notmuch-print-muttprint)
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(function :tag "Use muttprint then evince" notmuch-print-muttprint/evince)
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(function :tag "Using a custom function")))
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;;; Utility functions
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(defun notmuch-print-run-evince (file)
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"View FILE using `evince'."
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(start-process "evince" nil "evince" file))
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(defun notmuch-print-run-muttprint (&optional output)
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"Pass the contents of the current buffer to `muttprint'.
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Optional OUTPUT allows passing a list of flags to muttprint."
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(apply #'notmuch--call-process-region (point-min) (point-max)
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;; Reads from stdin.
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"muttprint"
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nil nil nil
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;; Show the tags.
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"--printed-headers" "Date_To_From_CC_Newsgroups_*Subject*_/Tags/"
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output))
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;;; User-visible functions
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(defun notmuch-print-lpr (_msg)
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"Print a message buffer using lpr."
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(lpr-buffer))
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(defun notmuch-print-ps-print (msg)
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"Print a message buffer using the ps-print package."
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(let ((subject (notmuch-prettify-subject
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(plist-get (notmuch-show-get-prop :headers msg) :Subject))))
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(rename-buffer subject t)
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(ps-print-buffer)))
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(defun notmuch-print-ps-print/evince (msg)
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"Preview a message buffer using ps-print and evince."
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(let ((ps-file (make-temp-file "notmuch" nil ".ps"))
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(subject (notmuch-prettify-subject
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(plist-get (notmuch-show-get-prop :headers msg) :Subject))))
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(rename-buffer subject t)
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(ps-print-buffer ps-file)
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(notmuch-print-run-evince ps-file)))
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(defun notmuch-print-muttprint (_msg)
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"Print a message using muttprint."
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(notmuch-print-run-muttprint))
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(defun notmuch-print-muttprint/evince (_msg)
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"Preview a message buffer using muttprint and evince."
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(let ((ps-file (make-temp-file "notmuch" nil ".ps")))
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(notmuch-print-run-muttprint (list "--printer" (concat "TO_FILE:" ps-file)))
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(notmuch-print-run-evince ps-file)))
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(defun notmuch-print-message (msg)
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"Print a message using the user-selected mechanism."
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(set-buffer-modified-p nil)
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(funcall notmuch-print-mechanism msg))
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;;; _
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(provide 'notmuch-print)
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;;; notmuch-print.el ends here
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