-;; notmuch-show.el --- displaying notmuch forests.
+;;; notmuch-show.el --- displaying notmuch forests.
;;
;; Copyright © Carl Worth
;; Copyright © David Edmondson
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
-;; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
+;; along with Notmuch. If not, see <https://www.gnu.org/licenses/>.
;;
;; Authors: Carl Worth <cworth@cworth.org>
;; David Edmondson <dme@dme.org>
+;;; Code:
+
(eval-when-compile (require 'cl))
(require 'mm-view)
(require 'message)
(defcustom notmuch-show-stash-mlarchive-link-alist
'(("Gmane" . "http://mid.gmane.org/")
- ("MARC" . "http://marc.info/?i=")
- ("Mail Archive, The" . "http://mid.mail-archive.com/")
- ("LKML" . "http://lkml.kernel.org/r/")
+ ("MARC" . "https://marc.info/?i=")
+ ("Mail Archive, The" . "https://mid.mail-archive.com/")
+ ("LKML" . "https://lkml.kernel.org/r/")
;; FIXME: can these services be searched by `Message-Id' ?
;; ("MarkMail" . "http://markmail.org/")
;; ("Nabble" . "http://nabble.com/")
(defun notmuch-show-toggle-part-invisibility (&optional button)
(interactive)
- (let* ((button (or button (button-at (point))))
- (overlay (button-get button 'overlay))
- (lazy-part (button-get button :notmuch-lazy-part)))
- ;; We have a part to toggle if there is an overlay or if there is a lazy part.
- ;; If neither is present we cannot toggle the part so we just return nil.
- (when (or overlay lazy-part)
- (let* ((show (button-get button :notmuch-part-hidden))
- (new-start (button-start button))
- (button-label (button-get button :base-label))
- (old-point (point))
- (properties (text-properties-at (button-start button)))
- (inhibit-read-only t))
- ;; Toggle the button itself.
- (button-put button :notmuch-part-hidden (not show))
- (goto-char new-start)
- (insert "[ " button-label (if show " ]" " (hidden) ]"))
- (set-text-properties new-start (point) properties)
- (let ((old-end (button-end button)))
- (move-overlay button new-start (point))
- (delete-region (point) old-end))
- (goto-char (min old-point (1- (button-end button))))
- ;; Return nil if there is a lazy-part, it is empty, and we are
- ;; trying to show it. In all other cases return t.
- (if lazy-part
- (when show
- (button-put button :notmuch-lazy-part nil)
- (notmuch-show-lazy-part lazy-part button))
- ;; else there must be an overlay.
- (overlay-put overlay 'invisible (not show))
- t)))))
+ (let ((button (or button (button-at (point)))))
+ (when button
+ (let ((overlay (button-get button 'overlay))
+ (lazy-part (button-get button :notmuch-lazy-part)))
+ ;; We have a part to toggle if there is an overlay or if there is a lazy part.
+ ;; If neither is present we cannot toggle the part so we just return nil.
+ (when (or overlay lazy-part)
+ (let* ((show (button-get button :notmuch-part-hidden))
+ (new-start (button-start button))
+ (button-label (button-get button :base-label))
+ (old-point (point))
+ (properties (text-properties-at (button-start button)))
+ (inhibit-read-only t))
+ ;; Toggle the button itself.
+ (button-put button :notmuch-part-hidden (not show))
+ (goto-char new-start)
+ (insert "[ " button-label (if show " ]" " (hidden) ]"))
+ (set-text-properties new-start (point) properties)
+ (let ((old-end (button-end button)))
+ (move-overlay button new-start (point))
+ (delete-region (point) old-end))
+ (goto-char (min old-point (1- (button-end button))))
+ ;; Return nil if there is a lazy-part, it is empty, and we are
+ ;; trying to show it. In all other cases return t.
+ (if lazy-part
+ (when show
+ (button-put button :notmuch-lazy-part nil)
+ (notmuch-show-lazy-part lazy-part button))
+ ;; else there must be an overlay.
+ (overlay-put overlay 'invisible (not show))
+ t)))))))
;; Part content ID handling
(plist-get part :content)))
(defun notmuch-show-insert-part-multipart/alternative (msg part content-type nth depth button)
- (let ((chosen-type (car (notmuch-multipart/alternative-choose (notmuch-show-multipart/*-to-list part))))
+ (let ((chosen-type (car (notmuch-multipart/alternative-choose msg (notmuch-show-multipart/*-to-list part))))
(inner-parts (plist-get part :content))
(start (point)))
;; This inserts all parts of the chosen type rather than just one,
t)
(defun notmuch-show-insert-part-multipart/signed (msg part content-type nth depth button)
- (button-put button 'face 'notmuch-crypto-part-header)
- ;; add signature status button if sigstatus provided
- (if (plist-member part :sigstatus)
- (let* ((from (notmuch-show-get-header :From msg))
- (sigstatus (car (plist-get part :sigstatus))))
- (notmuch-crypto-insert-sigstatus-button sigstatus from))
- ;; if we're not adding sigstatus, tell the user how they can get it
- (button-put button 'help-echo "Set notmuch-crypto-process-mime to process cryptographic MIME parts."))
+ (when button
+ (button-put button 'face 'notmuch-crypto-part-header))
+
+ ;; Insert a button detailing the signature status.
+ (notmuch-crypto-insert-sigstatus-button (car (plist-get part :sigstatus))
+ (notmuch-show-get-header :From msg))
(let ((inner-parts (plist-get part :content))
(start (point)))
t)
(defun notmuch-show-insert-part-multipart/encrypted (msg part content-type nth depth button)
- (button-put button 'face 'notmuch-crypto-part-header)
- ;; add encryption status button if encstatus specified
- (if (plist-member part :encstatus)
- (let ((encstatus (car (plist-get part :encstatus))))
- (notmuch-crypto-insert-encstatus-button encstatus)
- ;; add signature status button if sigstatus specified
- (if (plist-member part :sigstatus)
- (let* ((from (notmuch-show-get-header :From msg))
- (sigstatus (car (plist-get part :sigstatus))))
- (notmuch-crypto-insert-sigstatus-button sigstatus from))))
- ;; if we're not adding encstatus, tell the user how they can get it
- (button-put button 'help-echo "Set notmuch-crypto-process-mime to process cryptographic MIME parts."))
+ (when button
+ (button-put button 'face 'notmuch-crypto-part-header))
+
+ ;; Insert a button detailing the encryption status.
+ (notmuch-crypto-insert-encstatus-button (car (plist-get part :encstatus)))
+
+ ;; Insert a button detailing the signature status.
+ (notmuch-crypto-insert-sigstatus-button (car (plist-get part :sigstatus))
+ (notmuch-show-get-header :From msg))
(let ((inner-parts (plist-get part :content))
(start (point)))
(indent-rigidly start (point) 1)))
t)
+(defun notmuch-show-insert-part-application/pgp-encrypted (msg part content-type nth depth button)
+ t)
+
(defun notmuch-show-insert-part-multipart/* (msg part content-type nth depth button)
(let ((inner-parts (plist-get part :content))
(start (point)))
;; \f
(defun notmuch-show-insert-bodypart-internal (msg part content-type nth depth button)
- (let ((handlers (notmuch-show-handlers-for content-type)))
- ;; Run the content handlers until one of them returns a non-nil
- ;; value.
- (while (and handlers
- (not (condition-case err
- (funcall (car handlers) msg part content-type nth depth button)
- ;; Specifying `debug' here lets the debugger
- ;; run if `debug-on-error' is non-nil.
- ((debug error)
- (progn
- (insert "!!! Bodypart insert error: ")
- (insert (error-message-string err))
- (insert " !!!\n") nil)))))
- (setq handlers (cdr handlers))))
- t)
+ ;; Run the handlers until one of them succeeds.
+ (loop for handler in (notmuch-show-handlers-for content-type)
+ until (condition-case err
+ (funcall handler msg part content-type nth depth button)
+ ;; Specifying `debug' here lets the debugger run if
+ ;; `debug-on-error' is non-nil.
+ ((debug error)
+ (insert "!!! Bodypart handler `" (prin1-to-string handler) "' threw an error:\n"
+ "!!! " (error-message-string err) "\n")
+ nil))))
(defun notmuch-show-create-part-overlays (button beg end)
"Add an overlay to the part between BEG and END"
(defun notmuch-show-reply-insert-header-p-never (part hide)
nil)
+(defun notmuch-show-reply-insert-header-p-trimmed (part hide)
+ (let ((mime-type (notmuch-show-mime-type part)))
+ (and (not (notmuch-match-content-type mime-type "multipart/*"))
+ (not hide))))
+
+(defun notmuch-show-reply-insert-header-p-minimal (part hide)
+ (let ((mime-type (notmuch-show-mime-type part)))
+ (and (notmuch-match-content-type mime-type "text/*")
+ (not hide))))
+
(defun notmuch-show-insert-bodypart (msg part depth &optional hide)
"Insert the body part PART at depth DEPTH in the current thread.
HIDE determines whether to show or hide the part and the button
as follows: If HIDE is nil, show the part and the button. If HIDE
-is t, hide the part initially and show the button. If HIDE is
-'no-buttons, show the part but do not add any buttons (this is
-useful for quoting in replies)."
+is t, hide the part initially and show the button."
(let* ((content-type (downcase (plist-get part :content-type)))
(mime-type (notmuch-show-mime-type part))
(beg (point))
;; This default header-p function omits the part button for
;; the first (or only) part if this is text/plain.
- (button (when (and (not (equal hide 'no-buttons))
- (funcall notmuch-show-insert-header-p-function part hide))
+ (button (when (funcall notmuch-show-insert-header-p-function part hide)
(notmuch-show-insert-part-header nth mime-type content-type (plist-get part :filename))))
;; Hide the part initially if HIDE is t, or if it is too long
- ;; and we have a button to allow toggling (thus reply which
- ;; uses 'no-buttons automatically includes long parts)
+ ;; and we have a button to allow toggling.
(show-part (not (or (equal hide t)
(and long button))))
(content-beg (point)))
(if show-part
(notmuch-show-insert-bodypart-internal msg part mime-type nth depth button)
- (button-put button :notmuch-lazy-part
- (list msg part mime-type nth depth button)))
+ (when button
+ (button-put button :notmuch-lazy-part
+ (list msg part mime-type nth depth button))))
;; Some of the body part handlers leave point somewhere up in the
;; part, so we make sure that we're down at the end.
(define-key map "v" 'notmuch-show-view-part)
(define-key map "o" 'notmuch-show-interactively-view-part)
(define-key map "|" 'notmuch-show-pipe-part)
+ (define-key map "m" 'notmuch-show-choose-mime-of-part)
(define-key map "?" 'notmuch-subkeymap-help)
map)
"Submap for part commands")
(define-key map (kbd "<backtab>") 'notmuch-show-previous-button)
(define-key map (kbd "TAB") 'notmuch-show-next-button)
(define-key map "f" 'notmuch-show-forward-message)
+ (define-key map "F" 'notmuch-show-forward-open-messages)
+ (define-key map "b" 'notmuch-show-resend-message)
(define-key map "l" 'notmuch-show-filter-thread)
(define-key map "r" 'notmuch-show-reply-sender)
(define-key map "R" 'notmuch-show-reply)
"Keymap for \"notmuch show\" buffers.")
(fset 'notmuch-show-mode-map notmuch-show-mode-map)
-(defun notmuch-show-mode ()
+(define-derived-mode notmuch-show-mode fundamental-mode "notmuch-show"
"Major mode for viewing a thread with notmuch.
This buffer contains the results of the \"notmuch show\" command
All currently available key bindings:
\\{notmuch-show-mode-map}"
- (interactive)
- (kill-all-local-variables)
(setq notmuch-buffer-refresh-function #'notmuch-show-refresh-view)
- (use-local-map notmuch-show-mode-map)
- (setq major-mode 'notmuch-show-mode
- mode-name "notmuch-show")
(setq buffer-read-only t
truncate-lines t))
(notmuch-show-mark-read)
(notmuch-show-set-prop :seen t)))
+(defvar notmuch-show--seen-has-errored nil)
+(make-variable-buffer-local 'notmuch-show--seen-has-errored)
+
(defun notmuch-show-command-hook ()
(when (eq major-mode 'notmuch-show-mode)
;; We need to redisplay to get window-start and window-end correct.
(redisplay)
(save-excursion
- (funcall notmuch-show-mark-read-function (window-start) (window-end)))))
+ (condition-case err
+ (funcall notmuch-show-mark-read-function (window-start) (window-end))
+ ((debug error)
+ (unless notmuch-show--seen-has-errored
+ (setq notmuch-show--seen-has-errored 't)
+ (setq header-line-format
+ (concat header-line-format
+ (propertize " [some mark read tag changes may have failed]"
+ 'face font-lock-warning-face)))))))))
(defun notmuch-show-filter-thread (query)
"Filter or LIMIT the current thread based on a new query string.
(defun notmuch-show-forward-message (&optional prompt-for-sender)
"Forward the current message."
(interactive "P")
- (with-current-notmuch-show-message
- (notmuch-mua-new-forward-message prompt-for-sender)))
+ (notmuch-mua-new-forward-messages (list (notmuch-show-get-message-id))
+ prompt-for-sender))
+
+(put 'notmuch-show-forward-open-messages 'notmuch-prefix-doc
+ "... and prompt for sender")
+(defun notmuch-show-forward-open-messages (&optional prompt-for-sender)
+ "Forward the currently open messages."
+ (interactive "P")
+ (let ((open-messages (notmuch-show-get-message-ids-for-open-messages)))
+ (unless open-messages
+ (error "No open messages to forward."))
+ (notmuch-mua-new-forward-messages open-messages prompt-for-sender)))
+
+(defun notmuch-show-resend-message (addresses)
+ "Resend the current message."
+ (interactive (list (notmuch-address-from-minibuffer "Resend to: ")))
+ (when (y-or-n-p (concat "Confirm resend to " addresses " "))
+ (notmuch-show-view-raw-message)
+ (message-resend addresses)
+ (notmuch-bury-or-kill-this-buffer)))
(defun notmuch-show-next-message (&optional pop-at-end)
"Show the next message.
(insert (notmuch-get-bodypart-binary msg part process-crypto)))
buf))
-(defun notmuch-show-current-part-handle ()
+(defun notmuch-show-current-part-handle (&optional mime-type)
"Return an mm-handle for the part containing point.
This creates a temporary buffer for the part's content; the
-caller is responsible for killing this buffer as appropriate."
+caller is responsible for killing this buffer as appropriate. If
+MIME-TYPE is given then set the handle's mime-type to MIME-TYPE."
(let* ((msg (notmuch-show-get-message-properties))
(part (notmuch-show-get-part-properties))
(buf (notmuch-show-generate-part-buffer msg part))
- (computed-type (plist-get part :computed-type))
+ (computed-type (or mime-type (plist-get part :computed-type)))
(filename (plist-get part :filename))
(disposition (if filename `(attachment (filename . ,filename)))))
(mm-make-handle buf (list computed-type) nil nil disposition)))
-(defun notmuch-show-apply-to-current-part-handle (fn)
+(defun notmuch-show-apply-to-current-part-handle (fn &optional mime-type)
"Apply FN to an mm-handle for the part containing point.
This ensures that the temporary buffer created for the mm-handle
-is destroyed when FN returns."
- (let ((handle (notmuch-show-current-part-handle)))
+is destroyed when FN returns. If MIME-TYPE is given then force
+part to be treated as if it had that mime-type."
+ (let ((handle (notmuch-show-current-part-handle mime-type)))
;; emacs 24.3+ puts stdout/stderr into the calling buffer so we
;; call it from a temp-buffer, unless
;; notmuch-show-attachment-debug is non-nil in which case we put
(notmuch-show-apply-to-current-part-handle #'mm-pipe-part))
+(defun notmuch-show--mm-display-part (handle)
+ "Use mm-display-part to display HANDLE in a new buffer.
+
+If the part is displayed in an external application then close
+the new buffer."
+ (let ((buf (get-buffer-create (generate-new-buffer-name
+ (concat " *notmuch-internal-part*")))))
+ (switch-to-buffer buf)
+ (if (eq (mm-display-part handle) 'external)
+ (kill-buffer buf)
+ (goto-char (point-min))
+ (set-buffer-modified-p nil)
+ (view-buffer buf 'kill-buffer-if-not-modified))))
+
+(defun notmuch-show-choose-mime-of-part (mime-type)
+ "Choose the mime type to use for displaying part"
+ (interactive
+ (list (completing-read "Mime type to use (default text/plain): "
+ (mailcap-mime-types) nil nil nil nil "text/plain")))
+ (notmuch-show-apply-to-current-part-handle #'notmuch-show--mm-display-part mime-type))
+
(provide 'notmuch-show)
+
+;;; notmuch-show.el ends here