; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
;
; Authors: Carl Worth <cworth@cworth.org>
-;
-; Much of notmuch.el was written by looking at the implementation of
-; compile.el from the emacs distribution source which has the
-; following copyright and authorsip (and the identical license as
-; above):
-;
-; Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-; 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
-; Free Software Foundation, Inc.
-; Authors: Roland McGrath <roland@gnu.org>,
-; Daniel Pfeiffer <occitan@esperanto.org>
+(require 'cl)
+(require 'mm-view)
(defvar notmuch-show-mode-map
(let ((map (make-sparse-keymap)))
+ ; I don't actually want all of these toggle commands occupying
+ ; keybindings. They steal valuable key-binding space, are hard
+ ; to remember, and act globally rather than locally.
+ ;
+ ; Will be much preferable to switch to direct manipulation for
+ ; toggling visibility of these components. Probably using
+ ; overlays-at to query and manipulate the current overlay.
+ (define-key map "a" 'notmuch-show-archive-thread)
+ (define-key map "A" 'notmuch-show-mark-read-then-archive-thread)
+ (define-key map "b" 'notmuch-show-toggle-body-read-visible)
+ (define-key map "c" 'notmuch-show-toggle-citations-visible)
+ (define-key map "h" 'notmuch-show-toggle-headers-visible)
+ (define-key map "m" 'message-mail)
(define-key map "n" 'notmuch-show-next-message)
+ (define-key map "N" 'notmuch-show-mark-read-then-next-open-message)
(define-key map "p" 'notmuch-show-previous-message)
+ (define-key map (kbd "C-n") 'notmuch-show-next-line)
+ (define-key map (kbd "C-p") 'notmuch-show-previous-line)
(define-key map "q" 'kill-this-buffer)
+ (define-key map "r" 'notmuch-show-reply)
+ (define-key map "s" 'notmuch-show-toggle-signatures-visible)
+ (define-key map "v" 'notmuch-show-view-all-mime-parts)
+ (define-key map "w" 'notmuch-show-view-raw-message)
(define-key map "x" 'kill-this-buffer)
+ (define-key map "+" 'notmuch-show-add-tag)
+ (define-key map "-" 'notmuch-show-remove-tag)
+ (define-key map (kbd "DEL") 'notmuch-show-rewind)
+ (define-key map " " 'notmuch-show-advance-marking-read-and-archiving)
+ (define-key map "|" 'notmuch-show-pipe-message)
+ (define-key map "?" 'describe-mode)
map)
"Keymap for \"notmuch show\" buffers.")
(fset 'notmuch-show-mode-map notmuch-show-mode-map)
-(defvar notmuch-show-message-begin-regexp "\fmessage{")
+(defvar notmuch-show-signature-regexp "\\(-- ?\\|_+\\)$"
+ "Pattern to match a line that separates content from signature.
-(defun notmuch-show-next-message ()
- "Advance point to the beginning of the next message in the buffer."
+The regexp can (and should) include $ to match the end of the
+line, but should not include ^ to match the beginning of the
+line. This is because notmuch may have inserted additional space
+for indentation at the beginning of the line. But notmuch will
+move past the indentation when testing this pattern, (so that the
+pattern can still test against the entire line).")
+
+(defvar notmuch-show-signature-lines-max 12
+ "Maximum length of signature that will be hidden by default.")
+
+(set 'notmuch-show-message-begin-regexp "\fmessage{")
+(set 'notmuch-show-message-end-regexp "\fmessage}")
+(set 'notmuch-show-header-begin-regexp "\fheader{")
+(set 'notmuch-show-header-end-regexp "\fheader}")
+(set 'notmuch-show-body-begin-regexp "\fbody{")
+(set 'notmuch-show-body-end-regexp "\fbody}")
+(set 'notmuch-show-attachment-begin-regexp "\fattachment{")
+(set 'notmuch-show-attachment-end-regexp "\fattachment}")
+(set 'notmuch-show-part-begin-regexp "\fpart{")
+(set 'notmuch-show-part-end-regexp "\fpart}")
+(set 'notmuch-show-marker-regexp "\f\\(message\\|header\\|body\\|attachment\\|part\\)[{}].*$")
+
+(set 'notmuch-show-id-regexp "\\(id:[^ ]*\\)")
+(set 'notmuch-show-depth-regexp " depth:\\([0-9]*\\) ")
+(set 'notmuch-show-filename-regexp "filename:\\(.*\\)$")
+(set 'notmuch-show-tags-regexp "(\\([^)]*\\))$")
+
+; XXX: This should be a generic function in emacs somewhere, not here
+(defun point-invisible-p ()
+ "Return whether the character at point is invisible.
+
+Here visibility is determined by `buffer-invisibility-spec' and
+the invisible property of any overlays for point. It doesn't have
+anything to do with whether point is currently being displayed
+within the current window."
+ (let ((prop (get-char-property (point) 'invisible)))
+ (if (eq buffer-invisibility-spec t)
+ prop
+ (or (memq prop buffer-invisibility-spec)
+ (assq prop buffer-invisibility-spec)))))
+
+(defun notmuch-show-next-line ()
+ "Like builtin `next-line' but ensuring we end on a visible character.
+
+By advancing forward until reaching a visible character.
+
+Unlike builtin `next-line' this version accepts no arguments."
+ (interactive)
+ (set 'this-command 'next-line)
+ (call-interactively 'next-line)
+ (while (point-invisible-p)
+ (forward-char)))
+
+(defun notmuch-show-previous-line ()
+ "Like builtin `previous-line' but ensuring we end on a visible character.
+
+By advancing forward until reaching a visible character.
+
+Unlike builtin `next-line' this version accepts no arguments."
+ (interactive)
+ (set 'this-command 'previous-line)
+ (call-interactively 'previous-line)
+ (while (point-invisible-p)
+ (forward-char)))
+
+(defun notmuch-show-get-message-id ()
+ (save-excursion
+ (beginning-of-line)
+ (if (not (looking-at notmuch-show-message-begin-regexp))
+ (re-search-backward notmuch-show-message-begin-regexp))
+ (re-search-forward notmuch-show-id-regexp)
+ (buffer-substring (match-beginning 1) (match-end 1))))
+
+(defun notmuch-show-get-filename ()
+ (save-excursion
+ (beginning-of-line)
+ (if (not (looking-at notmuch-show-message-begin-regexp))
+ (re-search-backward notmuch-show-message-begin-regexp))
+ (re-search-forward notmuch-show-filename-regexp)
+ (buffer-substring (match-beginning 1) (match-end 1))))
+
+(defun notmuch-show-set-tags (tags)
+ (save-excursion
+ (beginning-of-line)
+ (if (not (looking-at notmuch-show-message-begin-regexp))
+ (re-search-backward notmuch-show-message-begin-regexp))
+ (re-search-forward notmuch-show-tags-regexp)
+ (let ((inhibit-read-only t)
+ (beg (match-beginning 1))
+ (end (match-end 1)))
+ (delete-region beg end)
+ (goto-char beg)
+ (insert (mapconcat 'identity tags " ")))))
+
+(defun notmuch-show-get-tags ()
+ (save-excursion
+ (beginning-of-line)
+ (if (not (looking-at notmuch-show-message-begin-regexp))
+ (re-search-backward notmuch-show-message-begin-regexp))
+ (re-search-forward notmuch-show-tags-regexp)
+ (split-string (buffer-substring (match-beginning 1) (match-end 1)))))
+
+(defun notmuch-show-add-tag (&rest toadd)
+ "Add a tag to the current message."
+ (interactive "sTag to add: ")
+ (apply 'notmuch-call-notmuch-process
+ (append (cons "tag"
+ (mapcar (lambda (s) (concat "+" s)) toadd))
+ (cons (notmuch-show-get-message-id) nil)))
+ (notmuch-show-set-tags (sort (union toadd (notmuch-show-get-tags) :test 'string=) 'string<)))
+
+(defun notmuch-show-remove-tag (&rest toremove)
+ "Remove a tag from the current message."
+ (interactive "sTag to remove: ")
+ (let ((tags (notmuch-show-get-tags)))
+ (if (intersection tags toremove :test 'string=)
+ (progn
+ (apply 'notmuch-call-notmuch-process
+ (append (cons "tag"
+ (mapcar (lambda (s) (concat "-" s)) toremove))
+ (cons (notmuch-show-get-message-id) nil)))
+ (notmuch-show-set-tags (sort (set-difference tags toremove :test 'string=) 'string<))))))
+
+(defun notmuch-show-archive-thread-maybe-mark-read (markread)
+ (save-excursion
+ (goto-char (point-min))
+ (while (not (eobp))
+ (if markread
+ (notmuch-show-remove-tag "unread" "inbox")
+ (notmuch-show-remove-tag "inbox"))
+ (if (not (eobp))
+ (forward-char))
+ (if (not (re-search-forward notmuch-show-message-begin-regexp nil t))
+ (goto-char (point-max)))))
+ (let ((parent-buffer notmuch-show-parent-buffer))
+ (kill-this-buffer)
+ (if parent-buffer
+ (progn
+ (switch-to-buffer parent-buffer)
+ (forward-line)
+ (notmuch-search-show-thread)))))
+
+(defun notmuch-show-mark-read-then-archive-thread ()
+ "Remove \"unread\" tag from each message, then archive and show next thread.
+
+Archive each message currently shown by removing the \"unread\"
+and \"inbox\" tag from each. Then kill this buffer and show the
+next thread from the search from which this thread was originally
+shown.
+
+Note: This command is safe from any race condition of new messages
+being delivered to the same thread. It does not archive the
+entire thread, but only the messages shown in the current
+buffer."
(interactive)
- ; First, ensure we get off the current message marker
- (if (not (eobp))
- (forward-char))
- (if (not (re-search-forward notmuch-show-message-begin-regexp nil t))
- (goto-char (point-max)))
+ (notmuch-show-archive-thread-maybe-mark-read t))
+
+(defun notmuch-show-archive-thread ()
+ "Archive each message in thread, and show next thread from search.
+
+Archive each message currently shown by removing the \"inbox\"
+tag from each. Then kill this buffer and show the next thread
+from the search from which this thread was originally shown.
+
+Note: This command is safe from any race condition of new messages
+being delivered to the same thread. It does not archive the
+entire thread, but only the messages shown in the current
+buffer."
+ (interactive)
+ (notmuch-show-archive-thread-maybe-mark-read nil))
+
+(defun notmuch-show-view-raw-message ()
+ "View the raw email of the current message."
+ (interactive)
+ (view-file (notmuch-show-get-filename)))
+
+(defun notmuch-show-view-all-mime-parts ()
+ "Use external viewers (according to mailcap) to view all MIME-encoded parts."
+ (interactive)
+ (save-excursion
+ (let ((filename (notmuch-show-get-filename)))
+ (switch-to-buffer (generate-new-buffer (concat "*notmuch-mime-"
+ filename
+ "*")))
+ (insert-file-contents filename nil nil nil t)
+ (mm-display-parts (mm-dissect-buffer))
+ (kill-this-buffer))))
+
+(defun notmuch-show-reply ()
+ "Begin composing a reply to the current message in a new buffer."
+ (interactive)
+ (let ((message-id (notmuch-show-get-message-id)))
+ (switch-to-buffer (generate-new-buffer "notmuch-draft"))
+ (call-process "notmuch" nil t nil "reply" message-id)
+ (goto-char (point-min))
+ (if (re-search-forward "^$" nil t)
+ (progn
+ (insert "--text follows this line--")
+ (forward-line)))
+ (message-mode)))
+
+(defun notmuch-show-pipe-message (command)
+ "Pipe the contents of the current message to the given command.
+
+The given command will be executed with the raw contents of the
+current email message as stdin. Anything printed by the command
+to stdout or stderr will appear in the *Messages* buffer."
+ (interactive "sPipe message to command: ")
+ (apply 'start-process-shell-command "notmuch-pipe-command" "*notmuch-pipe*" (split-string (concat command " < " (notmuch-show-get-filename)))))
+
+(defun notmuch-show-move-to-current-message-summary-line ()
+ "Move to the beginning of the one-line summary of the current message.
+
+This gives us a stable place to move to and work from since the
+summary line is always visible. This is important since moving to
+an invisible location is unreliable, (the main command loop moves
+point either forward or backward to the next visible character
+when a command ends with point on an invisible character).
+
+Emits an error if point is not within a valid message, (that is
+not pattern of `notmuch-show-message-begin-regexp' could be found
+by searching backward)."
(beginning-of-line)
+ (if (not (looking-at notmuch-show-message-begin-regexp))
+ (if (re-search-backward notmuch-show-message-begin-regexp nil t)
+ (forward-line 2)
+ (error "Not within a valid message."))
+ (forward-line 2)))
+
+(defun notmuch-show-last-message-p ()
+ "Predicate testing whether point is within the last message."
+ (save-window-excursion
+ (save-excursion
+ (notmuch-show-move-to-current-message-summary-line)
+ (not (re-search-forward notmuch-show-message-begin-regexp nil t)))))
+
+(defun notmuch-show-message-unread-p ()
+ "Preficate testing whether current message is unread."
+ (member "unread" (notmuch-show-get-tags)))
+
+(defun notmuch-show-next-message ()
+ "Advance to the beginning of the next message in the buffer.
+
+Moves to the last visible character of the current message if
+already on the last message in the buffer."
+ (interactive)
+ (notmuch-show-move-to-current-message-summary-line)
+ (if (re-search-forward notmuch-show-message-begin-regexp nil t)
+ (notmuch-show-move-to-current-message-summary-line)
+ (goto-char (- (point-max) 1))
+ (while (point-invisible-p)
+ (backward-char)))
(recenter 0))
+(defun notmuch-show-find-next-message ()
+ "Returns the position of the next message in the buffer.
+
+Or the position of the last visible character of the current
+message if already within the last message in the buffer."
+ ; save-excursion doesn't save our window position
+ ; save-window-excursion doesn't save point
+ ; Looks like we have to use both.
+ (save-excursion
+ (save-window-excursion
+ (notmuch-show-next-message)
+ (point))))
+
+(defun notmuch-show-next-unread-message ()
+ "Advance to the beginning of the next unread message in the buffer.
+
+Moves to the last visible character of the current message if
+there are no more unread messages past the current point."
+ (notmuch-show-next-message)
+ (while (and (not (notmuch-show-last-message-p))
+ (not (notmuch-show-message-unread-p)))
+ (notmuch-show-next-message))
+ (if (not (notmuch-show-message-unread-p))
+ (notmuch-show-next-message)))
+
+(defun notmuch-show-next-open-message ()
+ "Advance to the next message which is not hidden.
+
+If read messages are currently hidden, advance to the next unread
+message. Otherwise, advance to the next message."
+ (if (or (memq 'notmuch-show-body-read buffer-invisibility-spec)
+ (assq 'notmuch-show-body-read buffer-invisibility-spec))
+ (notmuch-show-next-unread-message)
+ (notmuch-show-next-message)))
+
(defun notmuch-show-previous-message ()
- "Advance point to the beginning of the previous message in the buffer."
+ "Backup to the beginning of the previous message in the buffer.
+
+If within a message rather than at the beginning of it, then
+simply move to the beginning of the current message."
(interactive)
- ; First, ensure we get off the current message marker
- (if (not (eobp))
- (forward-char))
- (if (not (re-search-backward notmuch-show-message-begin-regexp nil t))
- (goto-char (point-min)))
+ (let ((start (point)))
+ (notmuch-show-move-to-current-message-summary-line)
+ (if (not (< (point) start))
+ ; Go backward twice to skip the current message's marker
+ (progn
+ (re-search-backward notmuch-show-message-begin-regexp nil t)
+ (re-search-backward notmuch-show-message-begin-regexp nil t)
+ (notmuch-show-move-to-current-message-summary-line)
+ ))
+ (recenter 0)))
+
+(defun notmuch-show-find-previous-message ()
+ "Returns the position of the previous message in the buffer.
+
+Or the position of the beginning of the current message if point
+is originally within the message rather than at the beginning of
+it."
+ ; save-excursion doesn't save our window position
+ ; save-window-excursion doesn't save point
+ ; Looks like we have to use both.
+ (save-excursion
+ (save-window-excursion
+ (notmuch-show-previous-message)
+ (point))))
+
+(defun notmuch-show-mark-read-then-next-open-message ()
+ "Remove unread tag from current message, then advance to next unread message."
+ (interactive)
+ (notmuch-show-remove-tag "unread")
+ (notmuch-show-next-open-message))
+
+(defun notmuch-show-rewind ()
+ "Do reverse scrolling compared to `notmuch-show-advance-marking-read-and-archiving'
+
+Specifically, if the beginning of the previous email is fewer
+than `window-height' lines from the current point, move to it
+just like `notmuch-show-previous-message'.
+
+Otherwise, just scroll down a screenful of the current message.
+
+This command does not modify any message tags, (it does not undo
+any effects from previous calls to
+`notmuch-show-advance-marking-read-and-archiving'."
+ (interactive)
+ (let ((previous (notmuch-show-find-previous-message)))
+ (if (> (count-lines previous (point)) (- (window-height) next-screen-context-lines))
+ (progn
+ (condition-case nil
+ (scroll-down nil)
+ ((beginning-of-buffer) nil))
+ (goto-char (window-start)))
+ (notmuch-show-previous-message))))
+
+(defun notmuch-show-advance-marking-read-and-archiving ()
+ "Advance through buffer, marking read and archiving.
+
+This command is intended to be one of the simplest ways to
+process a thread of email. It does the following:
+
+If the current message in the thread is not yet fully visible,
+scroll by a near screenful to read more of the message.
+
+Otherwise, (the end of the current message is already within the
+current window), remove the \"unread\" tag (if present) from the
+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)
- (recenter 0))
+ (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 handling the output of \"notmuch show\""
+ "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)
- "Run \"notmuch show\" with the given thread ID and display results."
+;;;###autoload
+
+(defgroup notmuch nil
+ "Notmuch mail reader for Emacs."
+ :group 'mail)
+
+(defcustom notmuch-show-hook nil
+ "List of functions to call when notmuch displays a message."
+ :type 'hook
+ :options '(goto-address)
+ :group 'notmuch)
+
+; Make show mode a bit prettier, highlighting URLs and using word wrap
+
+(defun notmuch-show-pretty-hook ()
+ (goto-address-mode 1)
+ (visual-line-mode))
+
+(add-hook 'notmuch-show-hook 'notmuch-show-pretty-hook)
+
+(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
(goto-char (point-min))
(save-excursion
(call-process "notmuch" nil t nil "show" thread-id)
+ (notmuch-show-markup-messages)
)
+ (run-hooks 'notmuch-show-hook)
+ ; 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 display 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 "\r" 'notmuch-search-show-thread)
+ (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)
+ (define-key map "?" 'describe-mode)
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)
- (beginning-of-line))
+ (forward-line -1))
;;;###autoload
(defun notmuch-search-mode ()
- "Major mode for handling the output of \"notmuch search\""
+ "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 truncate-lines t)
(setq major-mode 'notmuch-search-mode
mode-name "notmuch-search")
(setq buffer-read-only t))
(save-excursion
(beginning-of-line)
(let ((beg (point)))
- (re-search-forward "[a-fA-F0-9]*")
+ (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)))
- (re-search-forward "[a-fA-F0-9]*")
- (forward-char)
- (overlay-put (make-overlay beg (point)) 'invisible 'notmuch-search)))
+ (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)
- (next-line))))
-
-(defun notmuch-search-hide-thread-ids ()
- (interactive)
- (add-to-invisibility-spec 'notmuch-search))
-
-(defun notmuch-search-show-thread-ids ()
- (interactive)
- (remove-from-invisibility-spec 'notmuch-search))
+ (forward-line))))
(defun notmuch-search-show-thread ()
(interactive)
- (notmuch-show (notmuch-search-find-thread-id)))
+ (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.
-(defun notmuch-search-call-notmuch-process (&rest args)
+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))
(defun notmuch-search-add-tag (tag)
(interactive "sTag to add: ")
- (notmuch-search-call-notmuch-process "tag" (concat "+" tag) (concat "thread:" (notmuch-search-find-thread-id)))
+ (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-search-call-notmuch-process "tag" (concat "-" tag) (concat "thread:" (notmuch-search-find-thread-id)))
+ (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"))
+ (notmuch-search-remove-tag "inbox")
+ (forward-line))
-(defun notmuch-search (query)
+(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
(erase-buffer)
(goto-char (point-min))
(save-excursion
- (call-process "notmuch" nil t nil "search" query)
+ (if oldest-first
+ (call-process "notmuch" nil t nil "search" "--sort=oldest-first" query)
+ (call-process "notmuch" nil t nil "search" "--sort=newest-first" 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))
+ (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 filtered 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)
- "Run \"notmuch search\" to refine the current search results.
+ "Filter the current search results based on an additional query string.
-A search string will be constructed by appending QUERY to the
-current search string, and the results of \"notmuch search\" for
-the combined query will be displayed."
+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 (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"))
+ (notmuch-search "tag:inbox" t))
(provide 'notmuch)
projects / notmuch / blobdiff