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dac31c9e01
The documentation for 'next-line' suggests that 'forward-line' is a better choice for non-interactive usage. That appears to be the case here; using next-line caused emacs to spin forever for me. Signed-off-by: Keith Packard <keithp@keithp.com>
941 lines
35 KiB
EmacsLisp
941 lines
35 KiB
EmacsLisp
; notmuch.el --- run notmuch within emacs
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;
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; Copyright © Carl Worth
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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 <http://www.gnu.org/licenses/>.
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;
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; Authors: Carl Worth <cworth@cworth.org>
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(require 'cl)
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(require 'mm-view)
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(defvar notmuch-show-mode-map
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(let ((map (make-sparse-keymap)))
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; I don't actually want all of these toggle commands occupying
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; keybindings. They steal valuable key-binding space, are hard
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; to remember, and act globally rather than locally.
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;
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; Will be much preferable to switch to direct manipulation for
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; toggling visibility of these components. Probably using
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; overlays-at to query and manipulate the current overlay.
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(define-key map "a" 'notmuch-show-archive-thread)
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(define-key map "A" 'notmuch-show-mark-read-then-archive-thread)
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(define-key map "b" 'notmuch-show-toggle-body-read-visible)
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(define-key map "c" 'notmuch-show-toggle-citations-visible)
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(define-key map "h" 'notmuch-show-toggle-headers-visible)
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(define-key map "m" 'message-mail)
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(define-key map "n" 'notmuch-show-next-message)
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(define-key map "N" 'notmuch-show-mark-read-then-next-open-message)
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(define-key map "p" 'notmuch-show-previous-message)
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(define-key map (kbd "C-n") 'notmuch-show-next-line)
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(define-key map (kbd "C-p") 'notmuch-show-previous-line)
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(define-key map "q" 'kill-this-buffer)
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(define-key map "r" 'notmuch-show-reply)
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(define-key map "s" 'notmuch-show-toggle-signatures-visible)
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(define-key map "v" 'notmuch-show-view-all-mime-parts)
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(define-key map "w" 'notmuch-show-view-raw-message)
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(define-key map "x" 'kill-this-buffer)
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(define-key map "+" 'notmuch-show-add-tag)
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(define-key map "-" 'notmuch-show-remove-tag)
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(define-key map (kbd "DEL") 'notmuch-show-rewind)
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(define-key map " " 'notmuch-show-advance-marking-read-and-archiving)
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(define-key map "|" 'notmuch-show-pipe-message)
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map)
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"Keymap for \"notmuch show\" buffers.")
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(fset 'notmuch-show-mode-map notmuch-show-mode-map)
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(defvar notmuch-show-signature-regexp "\\(-- ?\\|_+\\)$"
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"Pattern to match a line that separates content from signature.
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The regexp can (and should) include $ to match the end of the
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line, but should not include ^ to match the beginning of the
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line. This is because notmuch may have inserted additional space
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for indentation at the beginning of the line. But notmuch will
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move past the indentation when testing this pattern, (so that the
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pattern can still test against the entire line).")
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(defvar notmuch-show-signature-lines-max 12
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"Maximum length of signature that will be hidden by default.")
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(set 'notmuch-show-message-begin-regexp " message{")
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(set 'notmuch-show-message-end-regexp " message}")
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(set 'notmuch-show-header-begin-regexp " header{")
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(set 'notmuch-show-header-end-regexp " header}")
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(set 'notmuch-show-body-begin-regexp " body{")
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(set 'notmuch-show-body-end-regexp " body}")
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(set 'notmuch-show-attachment-begin-regexp " attachment{")
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(set 'notmuch-show-attachment-end-regexp " attachment}")
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(set 'notmuch-show-part-begin-regexp " part{")
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(set 'notmuch-show-part-end-regexp " part}")
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(set 'notmuch-show-marker-regexp " \\(message\\|header\\|body\\|attachment\\|part\\)[{}].*$")
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(set 'notmuch-show-id-regexp "\\(id:[^ ]*\\)")
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(set 'notmuch-show-depth-regexp " depth:\\([0-9]*\\) ")
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(set 'notmuch-show-filename-regexp "filename:\\(.*\\)$")
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(set 'notmuch-show-tags-regexp "(\\([^)]*\\))$")
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; XXX: This should be a generic function in emacs somewhere, not here
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(defun point-invisible-p ()
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"Return whether the character at point is invisible.
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Here visibility is determined by `buffer-invisibility-spec' and
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the invisible property of any overlays for point. It doesn't have
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anything to do with whether point is currently being displayed
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within the current window."
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(let ((prop (get-char-property (point) 'invisible)))
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(if (eq buffer-invisibility-spec t)
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prop
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(or (memq prop buffer-invisibility-spec)
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(assq prop buffer-invisibility-spec)))))
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(defun notmuch-show-next-line ()
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"Like builtin `next-line' but ensuring we end on a visible character.
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By advancing forward until reaching a visible character.
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Unlike builtin `next-line' this version accepts no arguments."
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(interactive)
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(set 'this-command 'next-line)
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(call-interactively 'next-line)
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(while (point-invisible-p)
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(forward-char)))
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(defun notmuch-show-previous-line ()
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"Like builtin `previous-line' but ensuring we end on a visible character.
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By advancing forward until reaching a visible character.
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Unlike builtin `next-line' this version accepts no arguments."
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(interactive)
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(set 'this-command 'previous-line)
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(call-interactively 'previous-line)
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(while (point-invisible-p)
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(forward-char)))
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(defun notmuch-show-get-message-id ()
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(save-excursion
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(beginning-of-line)
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(if (not (looking-at notmuch-show-message-begin-regexp))
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(re-search-backward notmuch-show-message-begin-regexp))
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(re-search-forward notmuch-show-id-regexp)
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(buffer-substring (match-beginning 1) (match-end 1))))
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(defun notmuch-show-get-filename ()
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(save-excursion
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(beginning-of-line)
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(if (not (looking-at notmuch-show-message-begin-regexp))
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(re-search-backward notmuch-show-message-begin-regexp))
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(re-search-forward notmuch-show-filename-regexp)
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(buffer-substring (match-beginning 1) (match-end 1))))
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(defun notmuch-show-set-tags (tags)
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(save-excursion
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(beginning-of-line)
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(if (not (looking-at notmuch-show-message-begin-regexp))
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(re-search-backward notmuch-show-message-begin-regexp))
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(re-search-forward notmuch-show-tags-regexp)
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(let ((inhibit-read-only t)
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(beg (match-beginning 1))
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(end (match-end 1)))
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(delete-region beg end)
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(goto-char beg)
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(insert (mapconcat 'identity tags " ")))))
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(defun notmuch-show-get-tags ()
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(save-excursion
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(beginning-of-line)
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(if (not (looking-at notmuch-show-message-begin-regexp))
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(re-search-backward notmuch-show-message-begin-regexp))
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(re-search-forward notmuch-show-tags-regexp)
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(split-string (buffer-substring (match-beginning 1) (match-end 1)))))
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(defun notmuch-show-add-tag (&rest toadd)
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"Add a tag to the current message."
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(interactive "sTag to add: ")
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(apply 'notmuch-call-notmuch-process
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(append (cons "tag"
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(mapcar (lambda (s) (concat "+" s)) toadd))
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(cons (notmuch-show-get-message-id) nil)))
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(notmuch-show-set-tags (sort (union toadd (notmuch-show-get-tags) :test 'string=) 'string<)))
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(defun notmuch-show-remove-tag (&rest toremove)
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"Remove a tag from the current message."
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(interactive "sTag to remove: ")
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(let ((tags (notmuch-show-get-tags)))
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(if (intersection tags toremove :test 'string=)
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(progn
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(apply 'notmuch-call-notmuch-process
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(append (cons "tag"
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(mapcar (lambda (s) (concat "-" s)) toremove))
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(cons (notmuch-show-get-message-id) nil)))
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(notmuch-show-set-tags (sort (set-difference tags toremove :test 'string=) 'string<))))))
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(defun notmuch-show-archive-thread-maybe-mark-read (markread)
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(save-excursion
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(goto-char (point-min))
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(while (not (eobp))
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(if markread
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(notmuch-show-remove-tag "unread" "inbox")
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(notmuch-show-remove-tag "inbox"))
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(if (not (eobp))
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(forward-char))
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(if (not (re-search-forward notmuch-show-message-begin-regexp nil t))
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(goto-char (point-max)))))
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(let ((parent-buffer notmuch-show-parent-buffer))
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(kill-this-buffer)
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(if parent-buffer
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(progn
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(switch-to-buffer parent-buffer)
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(forward-line)
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(notmuch-search-show-thread)))))
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(defun notmuch-show-mark-read-then-archive-thread ()
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"Remove \"unread\" tag from each message, then archive and show next thread.
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Archive each message currrently shown by removing the \"unread\"
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and \"inbox\" tag from each. Then kill this buffer and show the
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next thread from the search from which this thread was originally
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shown.
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Note: This command is safe from any race condition of new messages
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being delivered to the same thread. It does not archive the
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entire thread, but only the messages shown in the current
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buffer."
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(interactive)
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(notmuch-show-archive-thread-maybe-mark-read t))
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(defun notmuch-show-archive-thread ()
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"Archive each message in thread, and show next thread from search.
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Archive each message currrently shown by removing the \"inbox\"
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tag from each. Then kill this buffer and show the next thread
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from the search from which this thread was originally shown.
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Note: This command is safe from any race condition of new messages
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being delivered to the same thread. It does not archive the
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entire thread, but only the messages shown in the current
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buffer."
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(interactive)
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(notmuch-show-archive-thread-maybe-mark-read nil))
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(defun notmuch-show-view-raw-message ()
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"View the raw email of the current message."
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(interactive)
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(view-file (notmuch-show-get-filename)))
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(defun notmuch-show-view-all-mime-parts ()
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"Use external viewers (according to mailcap) to view all MIME-encoded parts."
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(interactive)
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(save-excursion
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(let ((filename (notmuch-show-get-filename)))
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(switch-to-buffer (generate-new-buffer (concat "*notmuch-mime-"
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filename
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"*")))
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(insert-file-contents filename nil nil nil t)
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(mm-display-parts (mm-dissect-buffer))
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(kill-this-buffer))))
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(defun notmuch-show-reply ()
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"Begin composing a reply to the current message in a new buffer."
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(interactive)
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(let ((message-id (notmuch-show-get-message-id)))
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(switch-to-buffer (generate-new-buffer "notmuch-draft"))
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(call-process "notmuch" nil t nil "reply" message-id)
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(goto-char (point-min))
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(if (re-search-forward "^$" nil t)
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(progn
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(insert "--text follows this line--")
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(forward-line)))
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(message-mode)))
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(defun notmuch-show-pipe-message (command)
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"Pipe the contents of the current message to the given command.
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The given command will be executed with the raw contents of the
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current email message as stdin. Anything printed by the command
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to stdout or stderr will appear in the *Messages* buffer."
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(interactive "sPipe message to command: ")
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(apply 'start-process-shell-command "notmuch-pipe-command" "*notmuch-pipe*" (split-string (concat command " < " (notmuch-show-get-filename)))))
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(defun notmuch-show-move-to-current-message-summary-line ()
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"Move to the beginning of the one-line summary of the current message.
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This gives us a stable place to move to and work from since the
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summary line is always visible. This is important since moving to
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an invisible location is unreliable, (the main command loop moves
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point either forward or backward to the next visible character
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when a command ends with point on an invisible character).
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Emits an error if point is not within a valid message, (that is
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not pattern of `notmuch-show-message-begin-regexp' could be found
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by searching backward)."
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(beginning-of-line)
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(if (not (looking-at notmuch-show-message-begin-regexp))
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(if (re-search-backward notmuch-show-message-begin-regexp nil t)
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(forward-line 2)
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(error "Not within a valid message."))
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(forward-line 2)))
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(defun notmuch-show-last-message-p ()
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"Predicate testing whether point is within the last message."
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(save-window-excursion
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(save-excursion
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(notmuch-show-move-to-current-message-summary-line)
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(not (re-search-forward notmuch-show-message-begin-regexp nil t)))))
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(defun notmuch-show-message-unread-p ()
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"Preficate testing whether current message is unread."
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(member "unread" (notmuch-show-get-tags)))
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(defun notmuch-show-next-message ()
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"Advance to the beginning of the next message in the buffer.
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Moves to the last visible character of the current message if
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already on the last message in the buffer."
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(interactive)
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(notmuch-show-move-to-current-message-summary-line)
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(if (re-search-forward notmuch-show-message-begin-regexp nil t)
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(notmuch-show-move-to-current-message-summary-line)
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(goto-char (- (point-max) 1))
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(while (point-invisible-p)
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(backward-char)))
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(recenter 0))
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(defun notmuch-show-find-next-message ()
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"Returns the position of the next message in the buffer.
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Or the position of the last visible character of the current
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message if already within the last message in the buffer."
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; save-excursion doesn't save our window position
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; save-window-excursion doesn't save point
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; Looks like we have to use both.
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(save-excursion
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(save-window-excursion
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(notmuch-show-next-message)
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(point))))
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(defun notmuch-show-next-unread-message ()
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"Advance to the beginning of the next unread message in the buffer.
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Moves to the last visible character of the current message if
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there are no more unread messages past the current point."
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(notmuch-show-next-message)
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(while (and (not (notmuch-show-last-message-p))
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(not (notmuch-show-message-unread-p)))
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(notmuch-show-next-message))
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(if (not (notmuch-show-message-unread-p))
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(notmuch-show-next-message)))
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(defun notmuch-show-next-open-message ()
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"Advance to the the next message which is not hidden.
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If read messages are currently hidden, advance to the next unread
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message. Otherwise, advance to the next message."
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(if (or (memq 'notmuch-show-body-read buffer-invisibility-spec)
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(assq 'notmuch-show-body-read buffer-invisibility-spec))
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(notmuch-show-next-unread-message)
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(notmuch-show-next-message)))
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(defun notmuch-show-previous-message ()
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"Backup to the beginning of the previous message in the buffer.
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If within a message rather than at the beginning of it, then
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simply move to the beginning of the current message."
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(interactive)
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(let ((start (point)))
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(notmuch-show-move-to-current-message-summary-line)
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(if (not (< (point) start))
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; Go backward twice to skip the current message's marker
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(progn
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(re-search-backward notmuch-show-message-begin-regexp nil t)
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(re-search-backward notmuch-show-message-begin-regexp nil t)
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(notmuch-show-move-to-current-message-summary-line)
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))
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(recenter 0)))
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(defun notmuch-show-find-previous-message ()
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"Returns the position of the previous message in the buffer.
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Or the position of the beginning of the current message if point
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is originally within the message rather than at the beginning of
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it."
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; save-excursion doesn't save our window position
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; save-window-excursion doesn't save point
|
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; Looks like we have to use both.
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(save-excursion
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(save-window-excursion
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(notmuch-show-previous-message)
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(point))))
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(defun notmuch-show-mark-read-then-next-open-message ()
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"Remove unread tag from current message, then advance to next unread message."
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(interactive)
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(notmuch-show-remove-tag "unread")
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(notmuch-show-next-open-message))
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(defun notmuch-show-rewind ()
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"Do reverse scrolling compared to `notmuch-show-advance-marking-read-and-archiving'
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Specifically, if the beginning of the previous email is fewer
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than `window-height' lines from the current point, move to it
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just like `notmuch-show-previous-message'.
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Otherwise, just scroll down a screenful of the current message.
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This command does not modify any message tags, (it does not undo
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any effects from previous calls to
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`notmuch-show-advance-marking-read-and-archiving'."
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||
(interactive)
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(let ((previous (notmuch-show-find-previous-message)))
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(if (> (count-lines previous (point)) (- (window-height) next-screen-context-lines))
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(progn
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(condition-case nil
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(scroll-down nil)
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((beginning-of-buffer) nil))
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(goto-char (window-start)))
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(notmuch-show-previous-message))))
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(defun notmuch-show-advance-marking-read-and-archiving ()
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"Advance through buffer, marking read and archiving.
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This command is intended to be one of the simplest ways to
|
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process a thread of email. It does the following:
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If the current message in the thread is not yet fully visible,
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scroll by a near screenful to read more of the message.
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||
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Otherwise, (the end of the current message is already within the
|
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current window), remove the \"unread\" tag (if present) from the
|
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current message and advance to the next open message.
|
||
|
||
Finally, if there is no further message to advance to, and this
|
||
last message is already read, then archive the entire current
|
||
thread, (remove the \"inbox\" tag from each message). Also kill
|
||
this buffer, and display the next thread from the search from
|
||
which this thread was originally shown."
|
||
(interactive)
|
||
(let ((next (notmuch-show-find-next-message))
|
||
(unread (notmuch-show-message-unread-p)))
|
||
(if (> next (window-end))
|
||
(scroll-up nil)
|
||
(let ((last (notmuch-show-last-message-p)))
|
||
(notmuch-show-mark-read-then-next-open-message)
|
||
(if last
|
||
(notmuch-show-archive-thread))))))
|
||
|
||
(defun notmuch-show-markup-citations-region (beg end depth)
|
||
(goto-char beg)
|
||
(beginning-of-line)
|
||
(while (< (point) end)
|
||
(let ((beg-sub (point-marker))
|
||
(indent (make-string depth ? ))
|
||
(citation "[[:space:]]*>"))
|
||
(if (looking-at citation)
|
||
(progn
|
||
(while (looking-at citation)
|
||
(forward-line))
|
||
(let ((overlay (make-overlay beg-sub (point))))
|
||
(overlay-put overlay 'invisible 'notmuch-show-citation)
|
||
(overlay-put overlay 'before-string
|
||
(concat indent
|
||
"[" (number-to-string (count-lines beg-sub (point)))
|
||
"-line citation. Press 'c' to show.]\n")))))
|
||
(move-to-column depth)
|
||
(if (looking-at notmuch-show-signature-regexp)
|
||
(let ((sig-lines (- (count-lines beg-sub end) 1)))
|
||
(if (<= sig-lines notmuch-show-signature-lines-max)
|
||
(progn
|
||
(overlay-put (make-overlay beg-sub end)
|
||
'invisible 'notmuch-show-signature)
|
||
(overlay-put (make-overlay beg (- beg-sub 1))
|
||
'after-string
|
||
(concat "\n" indent
|
||
"[" (number-to-string sig-lines)
|
||
"-line signature. Press 's' to show.]"))
|
||
(goto-char end)))))
|
||
(forward-line))))
|
||
|
||
(defun notmuch-show-markup-part (beg end depth)
|
||
(if (re-search-forward notmuch-show-part-begin-regexp nil t)
|
||
(progn
|
||
(forward-line)
|
||
(let ((beg (point-marker)))
|
||
(re-search-forward notmuch-show-part-end-regexp)
|
||
(let ((end (copy-marker (match-beginning 0))))
|
||
(goto-char end)
|
||
(if (not (bolp))
|
||
(insert "\n"))
|
||
(indent-rigidly beg end depth)
|
||
(notmuch-show-markup-citations-region beg end depth)
|
||
; Advance to the next part (if any) (so the outer loop can
|
||
; determine whether we've left the current message.
|
||
(if (re-search-forward notmuch-show-part-begin-regexp nil t)
|
||
(beginning-of-line)))))
|
||
(goto-char end)))
|
||
|
||
(defun notmuch-show-markup-parts-region (beg end depth)
|
||
(save-excursion
|
||
(goto-char beg)
|
||
(while (< (point) end)
|
||
(notmuch-show-markup-part beg end depth))))
|
||
|
||
(defun notmuch-show-markup-body (depth)
|
||
(re-search-forward notmuch-show-body-begin-regexp)
|
||
(forward-line)
|
||
(let ((beg (point-marker)))
|
||
(re-search-forward notmuch-show-body-end-regexp)
|
||
(let ((end (copy-marker (match-beginning 0))))
|
||
(notmuch-show-markup-parts-region beg end depth)
|
||
(if (not (notmuch-show-message-unread-p))
|
||
(overlay-put (make-overlay beg end)
|
||
'invisible 'notmuch-show-body-read))
|
||
(set-marker beg nil)
|
||
(set-marker end nil)
|
||
)))
|
||
|
||
(defun notmuch-show-markup-header (depth)
|
||
(re-search-forward notmuch-show-header-begin-regexp)
|
||
(forward-line)
|
||
(let ((beg (point-marker)))
|
||
(end-of-line)
|
||
; Inverse video for subject
|
||
(overlay-put (make-overlay beg (point)) 'face '((cons :inverse-video t)))
|
||
(forward-line 2)
|
||
(let ((beg-hidden (point-marker)))
|
||
(re-search-forward notmuch-show-header-end-regexp)
|
||
(beginning-of-line)
|
||
(let ((end (point-marker)))
|
||
(indent-rigidly beg end depth)
|
||
(overlay-put (make-overlay beg-hidden end)
|
||
'invisible 'notmuch-show-header)
|
||
(set-marker beg nil)
|
||
(set-marker beg-hidden nil)
|
||
(set-marker end nil)
|
||
))))
|
||
|
||
(defun notmuch-show-markup-message ()
|
||
(if (re-search-forward notmuch-show-message-begin-regexp nil t)
|
||
(progn
|
||
(re-search-forward notmuch-show-depth-regexp)
|
||
(let ((depth (string-to-number (buffer-substring (match-beginning 1) (match-end 1)))))
|
||
(notmuch-show-markup-header depth)
|
||
(notmuch-show-markup-body depth)))
|
||
(goto-char (point-max))))
|
||
|
||
(defun notmuch-show-hide-markers ()
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(while (not (eobp))
|
||
(if (re-search-forward notmuch-show-marker-regexp nil t)
|
||
(progn
|
||
(overlay-put (make-overlay (match-beginning 0) (+ (match-end 0) 1))
|
||
'invisible 'notmuch-show-marker))
|
||
(goto-char (point-max))))))
|
||
|
||
(defun notmuch-show-markup-messages ()
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(while (not (eobp))
|
||
(notmuch-show-markup-message)))
|
||
(notmuch-show-hide-markers))
|
||
|
||
(defun notmuch-show-toggle-citations-visible ()
|
||
"Toggle visibility of citations"
|
||
(interactive)
|
||
(if notmuch-show-citations-visible
|
||
(add-to-invisibility-spec 'notmuch-show-citation)
|
||
(remove-from-invisibility-spec 'notmuch-show-citation))
|
||
(set 'notmuch-show-citations-visible (not notmuch-show-citations-visible))
|
||
; Need to force the redisplay for some reason
|
||
(force-window-update)
|
||
(redisplay t))
|
||
|
||
(defun notmuch-show-toggle-signatures-visible ()
|
||
"Toggle visibility of signatures"
|
||
(interactive)
|
||
(if notmuch-show-signatures-visible
|
||
(add-to-invisibility-spec 'notmuch-show-signature)
|
||
(remove-from-invisibility-spec 'notmuch-show-signature))
|
||
(set 'notmuch-show-signatures-visible (not notmuch-show-signatures-visible))
|
||
; Need to force the redisplay for some reason
|
||
(force-window-update)
|
||
(redisplay t))
|
||
|
||
(defun notmuch-show-toggle-headers-visible ()
|
||
"Toggle visibility of header fields"
|
||
(interactive)
|
||
(if notmuch-show-headers-visible
|
||
(add-to-invisibility-spec 'notmuch-show-header)
|
||
(remove-from-invisibility-spec 'notmuch-show-header))
|
||
(set 'notmuch-show-headers-visible (not notmuch-show-headers-visible))
|
||
; Need to force the redisplay for some reason
|
||
(force-window-update)
|
||
(redisplay t))
|
||
|
||
(defun notmuch-show-toggle-body-read-visible ()
|
||
"Toggle visibility of message bodies of read messages"
|
||
(interactive)
|
||
(if notmuch-show-body-read-visible
|
||
(add-to-invisibility-spec 'notmuch-show-body-read)
|
||
(remove-from-invisibility-spec 'notmuch-show-body-read))
|
||
(set 'notmuch-show-body-read-visible (not notmuch-show-body-read-visible))
|
||
; Need to force the redisplay for some reason
|
||
(force-window-update)
|
||
(redisplay t))
|
||
|
||
;;;###autoload
|
||
(defun notmuch-show-mode ()
|
||
"Major mode for viewing a thread with notmuch.
|
||
|
||
This buffer contains the results of the \"notmuch show\" command
|
||
for displaying a single thread of email from your email archives.
|
||
|
||
By default, various components of email messages, (citations,
|
||
signatures, already-read messages), are invisible to help you
|
||
focus on the most important things, (new text from unread
|
||
messages). See the various commands below for toggling the
|
||
visibility of hidden components.
|
||
|
||
The `notmuch-show-next-message' and
|
||
`notmuch-show-previous-message' commands, (bound to 'n' and 'p by
|
||
default), allow you to navigate to the next and previous
|
||
messages. Each time you navigate away from a message with
|
||
`notmuch-show-next-message' the current message will have its
|
||
\"unread\" tag removed.
|
||
|
||
You can add or remove tags from the current message with '+' and
|
||
'-'. You can also archive all messages in the current
|
||
view, (remove the \"inbox\" tag from each), with
|
||
`notmuch-show-archive-thread' (bound to 'a' by default).
|
||
|
||
\\{notmuch-show-mode-map}"
|
||
(interactive)
|
||
(kill-all-local-variables)
|
||
(set (make-local-variable 'notmuch-show-headers-visible) t)
|
||
(notmuch-show-toggle-headers-visible)
|
||
(set (make-local-variable 'notmuch-show-body-read-visible) t)
|
||
(notmuch-show-toggle-body-read-visible)
|
||
(set (make-local-variable 'notmuch-show-citations-visible) t)
|
||
(notmuch-show-toggle-citations-visible)
|
||
(set (make-local-variable 'notmuch-show-signatures-visible) t)
|
||
(notmuch-show-toggle-signatures-visible)
|
||
(add-to-invisibility-spec 'notmuch-show-marker)
|
||
(use-local-map notmuch-show-mode-map)
|
||
(setq major-mode 'notmuch-show-mode
|
||
mode-name "notmuch-show")
|
||
(setq buffer-read-only t))
|
||
|
||
(defun notmuch-show (thread-id &optional parent-buffer)
|
||
"Run \"notmuch show\" with the given thread ID and display results.
|
||
|
||
The optional PARENT-BUFFER is the notmuch-search buffer from
|
||
which this notmuch-show command was executed, (so that the next
|
||
thread from that buffer can be show when done with this one)."
|
||
(interactive "sNotmuch show: ")
|
||
(let ((buffer (get-buffer-create (concat "*notmuch-show-" thread-id "*"))))
|
||
(switch-to-buffer buffer)
|
||
(notmuch-show-mode)
|
||
(set (make-local-variable 'notmuch-show-parent-buffer) parent-buffer)
|
||
(let ((proc (get-buffer-process (current-buffer)))
|
||
(inhibit-read-only t))
|
||
(if proc
|
||
(error "notmuch search process already running for query `%s'" query)
|
||
)
|
||
(erase-buffer)
|
||
(goto-char (point-min))
|
||
(save-excursion
|
||
(call-process "notmuch" nil t nil "show" thread-id)
|
||
(notmuch-show-markup-messages)
|
||
)
|
||
; Move straight to the first unread message
|
||
(if (not (notmuch-show-message-unread-p))
|
||
(progn
|
||
(notmuch-show-next-unread-message)
|
||
; But if there are no unread messages, go back to the
|
||
; beginning of the buffer, and open up the bodies of all
|
||
; read message.
|
||
(if (not (notmuch-show-message-unread-p))
|
||
(progn
|
||
(goto-char (point-min))
|
||
(notmuch-show-toggle-body-read-visible)))))
|
||
)))
|
||
|
||
(defvar notmuch-search-authors-width 40
|
||
"Number of columns to use to diplay authors in a notmuch-search buffer.")
|
||
|
||
(defvar notmuch-search-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(define-key map "a" 'notmuch-search-archive-thread)
|
||
(define-key map "b" 'notmuch-search-scroll-down)
|
||
(define-key map "f" 'notmuch-search-filter)
|
||
(define-key map "m" 'message-mail)
|
||
(define-key map "n" 'next-line)
|
||
(define-key map "o" 'notmuch-search-toggle-order)
|
||
(define-key map "p" 'previous-line)
|
||
(define-key map "q" 'kill-this-buffer)
|
||
(define-key map "s" 'notmuch-search)
|
||
(define-key map "t" 'notmuch-search-filter-by-tag)
|
||
(define-key map "x" 'kill-this-buffer)
|
||
(define-key map (kbd "RET") 'notmuch-search-show-thread)
|
||
(define-key map "+" 'notmuch-search-add-tag)
|
||
(define-key map "-" 'notmuch-search-remove-tag)
|
||
(define-key map "<" 'beginning-of-buffer)
|
||
(define-key map ">" 'notmuch-search-goto-last-thread)
|
||
(define-key map "=" 'notmuch-search-refresh-view)
|
||
(define-key map "\M->" 'notmuch-search-goto-last-thread)
|
||
(define-key map " " 'notmuch-search-scroll-up)
|
||
(define-key map (kbd "<DEL>") 'notmuch-search-scroll-down)
|
||
map)
|
||
"Keymap for \"notmuch search\" buffers.")
|
||
(fset 'notmuch-search-mode-map notmuch-search-mode-map)
|
||
|
||
(defun notmuch-search-scroll-up ()
|
||
"Scroll up, moving point to last message in thread if at end."
|
||
(interactive)
|
||
(condition-case nil
|
||
(scroll-up nil)
|
||
((end-of-buffer) (notmuch-search-goto-last-thread))))
|
||
|
||
(defun notmuch-search-scroll-down ()
|
||
"Scroll down, moving point to first message in thread if at beginning."
|
||
(interactive)
|
||
; I don't know why scroll-down doesn't signal beginning-of-buffer
|
||
; the way that scroll-up signals end-of-buffer, but c'est la vie.
|
||
;
|
||
; So instead of trapping a signal we instead check whether the
|
||
; window begins on the first line of the buffer and if so, move
|
||
; directly to that position. (We have to count lines since the
|
||
; window-start position is not the same as point-min due to the
|
||
; invisible thread-ID characters on the first line.
|
||
(if (equal (count-lines (point-min) (window-start)) 1)
|
||
(goto-char (window-start))
|
||
(scroll-down nil)))
|
||
|
||
(defun notmuch-search-goto-last-thread (&optional arg)
|
||
"Move point to the last thread in the buffer."
|
||
(interactive "^P")
|
||
(end-of-buffer arg)
|
||
(forward-line -1))
|
||
|
||
;;;###autoload
|
||
(defun notmuch-search-mode ()
|
||
"Major mode for searching mail with notmuch.
|
||
|
||
This buffer contains the results of a \"notmuch search\" of your
|
||
email archives. Each line in the buffer represents a single
|
||
thread giving a relative date for the thread and a subject.
|
||
|
||
Pressing RET on any line displays that thread. The '+' and '-'
|
||
keys can be used to add or remove tags from a thread. The 'a' key
|
||
is a convenience key for archiving a thread (removing the
|
||
\"inbox\" tag).
|
||
|
||
Other useful commands are `notmuch-search-filter' for filtering
|
||
the current search based on an additional query string,
|
||
`notmuch-search-filter-by-tag' for filtering to include only
|
||
messages with a given tag, and `notmuch-search' to execute a new,
|
||
global search.
|
||
|
||
\\{notmuch-search-mode-map}"
|
||
(interactive)
|
||
(kill-all-local-variables)
|
||
(make-local-variable 'notmuch-search-query-string)
|
||
(make-local-variable 'notmuch-search-oldest-first)
|
||
(set (make-local-variable 'scroll-preserve-screen-position) t)
|
||
(add-to-invisibility-spec 'notmuch-search)
|
||
(use-local-map notmuch-search-mode-map)
|
||
(setq major-mode 'notmuch-search-mode
|
||
mode-name "notmuch-search")
|
||
(setq buffer-read-only t))
|
||
|
||
(defun notmuch-search-find-thread-id ()
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(let ((beg (point)))
|
||
(re-search-forward "thread:[a-fA-F0-9]*" nil t)
|
||
(filter-buffer-substring beg (point)))))
|
||
|
||
(defun notmuch-search-markup-this-thread-id ()
|
||
(beginning-of-line)
|
||
(let ((beg (point)))
|
||
(if (re-search-forward "thread:[a-fA-F0-9]*" nil t)
|
||
(progn
|
||
(forward-char)
|
||
(overlay-put (make-overlay beg (point)) 'invisible 'notmuch-search)
|
||
(re-search-forward ".*\\[[0-9]*/[0-9]*\\] \\([^;]*\\)\\(;\\)")
|
||
(let* ((authors (buffer-substring (match-beginning 1) (match-end 1)))
|
||
(authors-length (length authors)))
|
||
;; Drop the semi-colon
|
||
(replace-match "" t nil nil 2)
|
||
(if (<= authors-length notmuch-search-authors-width)
|
||
(replace-match (concat authors (make-string
|
||
(- notmuch-search-authors-width
|
||
authors-length) ? )) t t nil 1)
|
||
(replace-match (concat (substring authors 0 (- notmuch-search-authors-width 3)) "...") t t nil 1)))))))
|
||
|
||
(defun notmuch-search-markup-thread-ids ()
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(while (not (eobp))
|
||
(notmuch-search-markup-this-thread-id)
|
||
(forward-line))))
|
||
|
||
(defun notmuch-search-show-thread ()
|
||
(interactive)
|
||
(let ((thread-id (notmuch-search-find-thread-id)))
|
||
(if (> (length thread-id) 0)
|
||
(notmuch-show thread-id (current-buffer))
|
||
(error "End of search results"))))
|
||
|
||
(defun notmuch-call-notmuch-process (&rest args)
|
||
"Synchronously invoke \"notmuch\" with the given list of arguments.
|
||
|
||
Output from the process will be presented to the user as an error
|
||
and will also appear in a buffer named \"*Notmuch errors*\"."
|
||
(let ((error-buffer (get-buffer-create "*Notmuch errors*")))
|
||
(with-current-buffer error-buffer
|
||
(erase-buffer))
|
||
(if (eq (apply 'call-process "notmuch" nil error-buffer nil args) 0)
|
||
(point)
|
||
(progn
|
||
(with-current-buffer error-buffer
|
||
(let ((beg (point-min))
|
||
(end (- (point-max) 1)))
|
||
(error (buffer-substring beg end))
|
||
))))))
|
||
|
||
(defun notmuch-search-set-tags (tags)
|
||
(save-excursion
|
||
(end-of-line)
|
||
(re-search-backward "(")
|
||
(forward-char)
|
||
(let ((beg (point))
|
||
(inhibit-read-only t))
|
||
(re-search-forward ")")
|
||
(backward-char)
|
||
(let ((end (point)))
|
||
(delete-region beg end)
|
||
(insert (mapconcat 'identity tags " "))))))
|
||
|
||
(defun notmuch-search-get-tags ()
|
||
(save-excursion
|
||
(end-of-line)
|
||
(re-search-backward "(")
|
||
(let ((beg (+ (point) 1)))
|
||
(re-search-forward ")")
|
||
(let ((end (- (point) 1)))
|
||
(split-string (buffer-substring beg end))))))
|
||
|
||
(defun notmuch-search-add-tag (tag)
|
||
(interactive "sTag to add: ")
|
||
(notmuch-call-notmuch-process "tag" (concat "+" tag) (notmuch-search-find-thread-id))
|
||
(notmuch-search-set-tags (delete-dups (sort (cons tag (notmuch-search-get-tags)) 'string<))))
|
||
|
||
(defun notmuch-search-remove-tag (tag)
|
||
(interactive "sTag to remove: ")
|
||
(notmuch-call-notmuch-process "tag" (concat "-" tag) (notmuch-search-find-thread-id))
|
||
(notmuch-search-set-tags (delete tag (notmuch-search-get-tags))))
|
||
|
||
(defun notmuch-search-archive-thread ()
|
||
"Archive the current thread (remove its \"inbox\" tag).
|
||
|
||
This function advances point to the next line when finished."
|
||
(interactive)
|
||
(notmuch-search-remove-tag "inbox")
|
||
(forward-line))
|
||
|
||
(defun notmuch-search (query &optional oldest-first)
|
||
"Run \"notmuch search\" with the given query string and display results."
|
||
(interactive "sNotmuch search: ")
|
||
(let ((buffer (get-buffer-create (concat "*notmuch-search-" query "*"))))
|
||
(switch-to-buffer buffer)
|
||
(notmuch-search-mode)
|
||
(set 'notmuch-search-query-string query)
|
||
(set 'notmuch-search-oldest-first oldest-first)
|
||
(let ((proc (get-buffer-process (current-buffer)))
|
||
(inhibit-read-only t))
|
||
(if proc
|
||
(error "notmuch search process already running for query `%s'" query)
|
||
)
|
||
(erase-buffer)
|
||
(goto-char (point-min))
|
||
(save-excursion
|
||
(if oldest-first
|
||
(call-process "notmuch" nil t nil "search" query)
|
||
(call-process "notmuch" nil t nil "search" "--reverse" query))
|
||
(notmuch-search-markup-thread-ids)
|
||
))))
|
||
|
||
(defun notmuch-search-refresh-view ()
|
||
"Refresh the current view.
|
||
|
||
Kills the current buffer and runs a new search with the same
|
||
query string as the current search. If the current thread is in
|
||
the new search results, then point will be placed on the same
|
||
thread. Otherwise, point will be moved to attempt to be in the
|
||
same relative position within the new buffer."
|
||
(interactive)
|
||
(let ((here (point))
|
||
(oldest-first notmuch-search-oldest-first)
|
||
(thread (notmuch-search-find-thread-id))
|
||
(query notmuch-search-query-string))
|
||
(kill-this-buffer)
|
||
(notmuch-search query oldest-first)
|
||
(goto-char (point-min))
|
||
(if (re-search-forward (concat "^" thread) nil t)
|
||
(beginning-of-line)
|
||
(goto-char here))))
|
||
|
||
(defun notmuch-search-toggle-order ()
|
||
"Toggle the current search order.
|
||
|
||
By default, the \"inbox\" view created by `notmuch' is displayed
|
||
in chronological order (oldest thread at the beginning of the
|
||
buffer), while any global searches created by `notmuch-search'
|
||
are displayed in reverse-chronological order (newest thread at
|
||
the beginning of the buffer).
|
||
|
||
This command toggles the sort order for the current search.
|
||
|
||
Note that any fitlered searches created by
|
||
`notmuch-search-filter' retain the search order of the parent
|
||
search."
|
||
(interactive)
|
||
(set 'notmuch-search-oldest-first (not notmuch-search-oldest-first))
|
||
(notmuch-search-refresh-view))
|
||
|
||
(defun notmuch-search-filter (query)
|
||
"Filter the current search results based on an additional query string.
|
||
|
||
Runs a new search matching only messages that match both the
|
||
current search results AND the additional query string provided."
|
||
(interactive "sFilter search: ")
|
||
(notmuch-search (concat notmuch-search-query-string " and " query) notmuch-search-oldest-first))
|
||
|
||
(defun notmuch-search-filter-by-tag (tag)
|
||
"Filter the current search results based on a single tag.
|
||
|
||
Runs a new search matching only messages that match both the
|
||
current search results AND that are tagged with the given tag."
|
||
(interactive "sFilter by tag: ")
|
||
(notmuch-search (concat notmuch-search-query-string " and tag:" tag) notmuch-search-oldest-first))
|
||
|
||
(defun notmuch ()
|
||
"Run notmuch to display all mail with tag of 'inbox'"
|
||
(interactive)
|
||
(notmuch-search "tag:inbox" t))
|
||
|
||
(provide 'notmuch)
|