mirror of
https://git.notmuchmail.org/git/notmuch
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9a02b950a3
This is implemented by stashing away the parent notmuch-search buffer into a variable within the notmuch-show buffer. Then, when magic space bar triggers an archive of the current thread, it switches to the parent search buffer and shows the next thread.
617 lines
22 KiB
EmacsLisp
617 lines
22 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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(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 "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 "n" 'notmuch-show-mark-read-then-next-message)
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(define-key map "p" 'notmuch-show-previous-message)
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(define-key map "q" 'kill-this-buffer)
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(define-key map "s" 'notmuch-show-toggle-signatures-visible)
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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 " " 'notmuch-show-advance-marking-read-and-archiving)
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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-message-begin-regexp " message{")
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(defvar notmuch-show-message-end-regexp " message}")
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(defvar notmuch-show-header-begin-regexp " header{")
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(defvar notmuch-show-header-end-regexp " header}")
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(defvar notmuch-show-body-begin-regexp " body{")
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(defvar notmuch-show-body-end-regexp " body}")
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(defvar notmuch-show-attachment-begin-regexp " attachment{")
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(defvar notmuch-show-attachment-end-regexp " attachment}")
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(defvar notmuch-show-part-begin-regexp " part{")
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(defvar notmuch-show-part-end-regexp " part}")
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(defvar notmuch-show-marker-regexp " \\(message\\|header\\|body\\|attachment\\|part\\)[{}].*$")
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(defvar notmuch-show-id-regexp "ID: \\(.*\\)$")
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(defvar notmuch-show-tags-regexp "(\\([^)]*\\))$")
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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-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 (tag)
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(interactive "sTag to add: ")
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(notmuch-call-notmuch-process "tag" (concat "+" tag) (concat "id:" (notmuch-show-get-message-id)))
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(notmuch-show-set-tags (delete-dups (sort (cons tag (notmuch-show-get-tags)) 'string<))))
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(defun notmuch-show-remove-tag (tag)
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(interactive "sTag to remove: ")
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(let ((tags (notmuch-show-get-tags)))
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(if (member tag tags)
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(progn
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(notmuch-call-notmuch-process "tag" (concat "-" tag) (concat "id:" (notmuch-show-get-message-id)))
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(notmuch-show-set-tags (delete tag tags))))))
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(defun notmuch-show-archive-thread ()
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"Archive each message currrently shown by removing the \"inbox\" tag from each.
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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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(save-excursion
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(goto-char (point-min))
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(while (not (eobp))
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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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(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-next-message ()
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"Advance to the beginning of the next message in the buffer.
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Moves to the beginning of the current message if already on the
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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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(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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(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 beginning of the current message if already within the last
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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-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-mark-read-then-next-message ()
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"Remove unread tag from current message, then advance to next message."
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(interactive)
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(notmuch-show-remove-tag "unread")
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(notmuch-show-next-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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Otherwise, (the end of the current message is already within the
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current window), remove the \"unread\" tag from the current
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message and advance to the next message.
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Finally, if there is no further message to advance to, and this
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last message is already read, then archive the entire current
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thread, (remove the \"inbox\" tag from each message). Also kill
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this buffer, and display the next thread from the search from
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which this thread was originally shown."
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(interactive)
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(let ((next (notmuch-show-find-next-message))
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(unread (member "unread" (notmuch-show-get-tags))))
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(if (and (not unread)
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(equal next (point)))
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(progn
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(notmuch-show-archive-thread)
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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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(notmuch-search-show-thread)))))
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(if (< (notmuch-show-find-next-message) (window-end))
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(notmuch-show-mark-read-then-next-message)
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(scroll-up nil)))))
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(defun notmuch-show-markup-citations-region (beg end)
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(goto-char beg)
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(beginning-of-line)
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(while (< (point) end)
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(let ((beg-sub (point)))
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(if (looking-at ">")
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(progn
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(while (looking-at ">")
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(next-line))
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(let ((overlay (make-overlay beg-sub (point))))
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(overlay-put overlay 'invisible 'notmuch-show-citation)
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(overlay-put overlay 'before-string
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(concat "[" (number-to-string (count-lines beg-sub (point)))
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" quoted lines.]")))))
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(if (looking-at "--[ ]?$")
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(let ((overlay (make-overlay beg-sub end)))
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(overlay-put overlay 'invisible 'notmuch-show-signature)
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(overlay-put overlay 'before-string
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(concat "[" (number-to-string (count-lines beg-sub (point)))
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"-line signature.]"))
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(goto-char end)))
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(next-line))))
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(defun notmuch-show-markup-body ()
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(re-search-forward notmuch-show-body-begin-regexp)
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(next-line 1)
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(beginning-of-line)
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(let ((beg (point)))
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(re-search-forward notmuch-show-body-end-regexp)
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(let ((end (match-beginning 0)))
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(notmuch-show-markup-citations-region beg end)
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(if (not (member "unread" (notmuch-show-get-tags)))
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(overlay-put (make-overlay beg end)
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'invisible 'notmuch-show-body-read)))))
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(defun notmuch-show-markup-header ()
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(re-search-forward notmuch-show-header-begin-regexp)
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(next-line 2)
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(beginning-of-line)
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(let ((beg (point)))
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(re-search-forward notmuch-show-header-end-regexp)
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(overlay-put (make-overlay beg (match-beginning 0))
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'invisible 'notmuch-show-header)))
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(defun notmuch-show-markup-message ()
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(if (re-search-forward notmuch-show-message-begin-regexp nil t)
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(progn
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(notmuch-show-markup-header)
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(notmuch-show-markup-body))
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(goto-char (point-max))))
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(defun notmuch-show-hide-markers ()
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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 (re-search-forward notmuch-show-marker-regexp nil t)
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(progn
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(overlay-put (make-overlay (match-beginning 0) (+ (match-end 0) 1))
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'invisible 'notmuch-show-marker))
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(goto-char (point-max))))))
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(defun notmuch-show-markup-messages ()
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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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(notmuch-show-markup-message)))
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(notmuch-show-hide-markers))
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(defun notmuch-show-toggle-citations-visible ()
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"Toggle visibility of citations"
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(interactive)
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(if notmuch-show-citations-visible
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(add-to-invisibility-spec 'notmuch-show-citation)
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(remove-from-invisibility-spec 'notmuch-show-citation))
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(set 'notmuch-show-citations-visible (not notmuch-show-citations-visible))
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; Need to force the redisplay for some reason
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(force-window-update)
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(redisplay t))
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(defun notmuch-show-toggle-signatures-visible ()
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"Toggle visibility of signatures"
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(interactive)
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(if notmuch-show-signatures-visible
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(add-to-invisibility-spec 'notmuch-show-signature)
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(remove-from-invisibility-spec 'notmuch-show-signature))
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(set 'notmuch-show-signatures-visible (not notmuch-show-signatures-visible))
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; Need to force the redisplay for some reason
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(force-window-update)
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(redisplay t))
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(defun notmuch-show-toggle-headers-visible ()
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"Toggle visibility of header fields"
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(interactive)
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(if notmuch-show-headers-visible
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(add-to-invisibility-spec 'notmuch-show-header)
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(remove-from-invisibility-spec 'notmuch-show-header))
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(set 'notmuch-show-headers-visible (not notmuch-show-headers-visible))
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; Need to force the redisplay for some reason
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(force-window-update)
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(redisplay t))
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(defun notmuch-show-toggle-body-read-visible ()
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"Toggle visibility of message bodies of read messages"
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(interactive)
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(if notmuch-show-body-read-visible
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(add-to-invisibility-spec 'notmuch-show-body-read)
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(remove-from-invisibility-spec 'notmuch-show-body-read))
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(set 'notmuch-show-body-read-visible (not notmuch-show-body-read-visible))
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; Need to force the redisplay for some reason
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(force-window-update)
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(redisplay t))
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;;;###autoload
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(defun notmuch-show-mode ()
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"Major mode for viewing a thread with notmuch.
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This buffer contains the results of the \"notmuch show\" command
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for displaying a single thread of email from your email archives.
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By default, various components of email messages, (citations,
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signatures, already-read messages), are invisible to help you
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focus on the most important things, (new text from unread
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messages). See the various commands below for toggling the
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visibility of hidden components.
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The `notmuch-show-next-message' and
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`notmuch-show-previous-message' commands, (bound to 'n' and 'p by
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default), allow you to navigate to the next and previous
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messages. Each time you navigate away from a message with
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`notmuch-show-next-message' the current message will have its
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\"unread\" tag removed.
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You can add or remove tags from the current message with '+' and
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'-'. You can also archive all messages in the current
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view, (remove the \"inbox\" tag from each), with
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`notmuch-show-archive-thread' (bound to 'a' by default).
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\\{notmuch-show-mode-map}"
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(interactive)
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(kill-all-local-variables)
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(set (make-local-variable 'notmuch-show-headers-visible) t)
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(notmuch-show-toggle-headers-visible)
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(set (make-local-variable 'notmuch-show-body-read-visible) t)
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(notmuch-show-toggle-body-read-visible)
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(set (make-local-variable 'notmuch-show-citations-visible) t)
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(notmuch-show-toggle-citations-visible)
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(set (make-local-variable 'notmuch-show-signatures-visible) t)
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(notmuch-show-toggle-signatures-visible)
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(add-to-invisibility-spec 'notmuch-show-marker)
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(use-local-map notmuch-show-mode-map)
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(setq major-mode 'notmuch-show-mode
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mode-name "notmuch-show")
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(setq buffer-read-only t))
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(defun notmuch-show (thread-id &optional parent-buffer)
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"Run \"notmuch show\" with the given thread ID and display results.
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The optional PARENT-BUFFER is the notmuch-search buffer from
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which this notmuch-show command was executed, (so that the next
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thread from that buffer can be show when done with this one)."
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(interactive "sNotmuch show: ")
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(let ((buffer (get-buffer-create (concat "*notmuch-show-" thread-id "*"))))
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(switch-to-buffer buffer)
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(notmuch-show-mode)
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(set (make-local-variable 'notmuch-show-parent-buffer) parent-buffer)
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(let ((proc (get-buffer-process (current-buffer)))
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(inhibit-read-only t))
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(if proc
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(error "notmuch search process already running for query `%s'" query)
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)
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(erase-buffer)
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(goto-char (point-min))
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(save-excursion
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(call-process "notmuch" nil t nil "show" thread-id)
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(notmuch-show-markup-messages)
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)
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)))
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(defvar notmuch-search-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map "a" 'notmuch-search-archive-thread)
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(define-key map "b" 'scroll-down)
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(define-key map "f" 'notmuch-search-filter)
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(define-key map "n" 'next-line)
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(define-key map "p" 'previous-line)
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(define-key map "q" 'kill-this-buffer)
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(define-key map "s" 'notmuch-search)
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(define-key map "t" 'notmuch-search-filter-by-tag)
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(define-key map "x" 'kill-this-buffer)
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(define-key map (kbd "RET") 'notmuch-search-show-thread)
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(define-key map "+" 'notmuch-search-add-tag)
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(define-key map "-" 'notmuch-search-remove-tag)
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(define-key map "<" 'beginning-of-buffer)
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(define-key map ">" 'notmuch-search-goto-last-thread)
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(define-key map "=" 'notmuch-search-refresh-view)
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(define-key map "\M->" 'notmuch-search-goto-last-thread)
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(define-key map " " 'scroll-up)
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(define-key map (kbd "<DEL>") 'scroll-down)
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map)
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"Keymap for \"notmuch search\" buffers.")
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(fset 'notmuch-search-mode-map notmuch-search-mode-map)
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(defun notmuch-search-goto-last-thread (&optional arg)
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"Move point to the last thread in the buffer."
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(interactive "^P")
|
||
(end-of-buffer arg)
|
||
(beginning-of-line))
|
||
|
||
;;;###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)
|
||
(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 "[a-fA-F0-9]*")
|
||
(filter-buffer-substring beg (point)))))
|
||
|
||
(defun notmuch-search-markup-this-thread-id ()
|
||
(beginning-of-line)
|
||
(let ((beg (point)))
|
||
(re-search-forward "[a-fA-F0-9]*")
|
||
(forward-char)
|
||
(overlay-put (make-overlay beg (point)) 'invisible 'notmuch-search)))
|
||
|
||
(defun notmuch-search-markup-thread-ids ()
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(while (not (eobp))
|
||
(notmuch-search-markup-this-thread-id)
|
||
(next-line))))
|
||
|
||
(defun notmuch-search-hide-thread-ids ()
|
||
(interactive)
|
||
(add-to-invisibility-spec 'notmuch-search)
|
||
(force-window-update)
|
||
(redisplay t))
|
||
|
||
(defun notmuch-search-show-thread-ids ()
|
||
(interactive)
|
||
(remove-from-invisibility-spec 'notmuch-search)
|
||
(force-window-update)
|
||
(redisplay t))
|
||
|
||
(defun notmuch-search-show-thread ()
|
||
(interactive)
|
||
(let ((thread-id (notmuch-search-find-thread-id)))
|
||
(forward-line)
|
||
(notmuch-show thread-id (current-buffer))))
|
||
|
||
(defun notmuch-call-notmuch-process (&rest args)
|
||
(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) (concat "thread:" (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) (concat "thread:" (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)
|
||
"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)
|
||
(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 "search" query)
|
||
(notmuch-search-markup-thread-ids)
|
||
; A well-behaved program ends its output with a newline, but we
|
||
; don't actually want the blank line at the end of the file.
|
||
(goto-char (point-max))
|
||
(if (looking-at "^$")
|
||
(delete-backward-char 1)
|
||
)
|
||
))))
|
||
|
||
(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))
|
||
(thread (notmuch-search-find-thread-id))
|
||
(query notmuch-search-query-string))
|
||
(kill-this-buffer)
|
||
(notmuch-search query)
|
||
(goto-char (point-min))
|
||
(if (re-search-forward (concat "^" thread) nil t)
|
||
(beginning-of-line)
|
||
(goto-char here))))
|
||
|
||
(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)))
|
||
|
||
(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)))
|
||
|
||
(defun notmuch ()
|
||
"Run notmuch to display all mail with tag of 'inbox'"
|
||
(interactive)
|
||
(notmuch-search "tag:inbox"))
|
||
|
||
(provide 'notmuch)
|