(require 'notmuch-lib)
(require 'notmuch-tag)
-(require 'notmuch-query)
(require 'notmuch-wash)
(require 'notmuch-mua)
(require 'notmuch-crypto)
:group 'notmuch-show)
(defcustom notmuch-show-header-line t
- "Show a header line with the current message's subject."
- :type 'boolean
+ "Show a header line in notmuch show buffers.
+
+If t (the default), the header line will contain the current
+message's subject.
+
+If a string, this value is interpreted as a format string to be
+passed to `format-spec` with `%s` as the substitution variable
+for the message's subject. E.g., to display the subject trimmed
+to a maximum of 80 columns, you could use \"%>-80s\" as format.
+
+If you assign to this variable a function, it will be called with
+the subject as argument, and the return value will be used as the
+header line format. Since the function is called with the
+message buffer as the current buffer, it is also possible to
+access any other properties of the message, using for instance
+notmuch-show functions such as
+`notmuch-show-get-message-properties'.
+
+Finally, if this variable is set to nil, no header is
+displayed."
+ :type '(choice (const :tag "No header" ni)
+ (const :tag "Subject" t)
+ (string :tag "Format")
+ (function :tag "Function"))
:group 'notmuch-show)
(defcustom notmuch-show-relative-dates t
(push (list thread "and (" context ")") queries))
queries))
+(defun notmuch-show--header-line-format ()
+ "Compute the header line format of a notmuch-show buffer."
+ (when notmuch-show-header-line
+ (let* ((s (notmuch-sanitize
+ (notmuch-show-strip-re (notmuch-show-get-subject))))
+ (subject (replace-regexp-in-string "%" "%%" s)))
+ (cond ((stringp notmuch-show-header-line)
+ (format-spec notmuch-show-header-line `((?s . ,subject))))
+ ((functionp notmuch-show-header-line)
+ (funcall notmuch-show-header-line subject))
+ (notmuch-show-header-line subject)))))
+
(defun notmuch-show--build-buffer (&optional state)
"Display messages matching the current buffer context.
(notmuch-show-previous-subject ""))
;; Use results from the first query that returns some.
(while (and (not forest) queries)
- (setq forest (notmuch-query-get-threads
+ (setq forest (notmuch--run-show
(append cli-args (list "'") (car queries) (list "'"))))
(when (and forest notmuch-show-single-message)
(setq forest (list (list (list forest)))))
;; display changes.
(notmuch-show-mapc
(lambda () (notmuch-show-set-prop :orig-tags (notmuch-show-get-tags))))
- ;; Set the header line to the subject of the first message.
- (when notmuch-show-header-line
- (setq header-line-format
- (replace-regexp-in-string "%" "%%"
- (notmuch-sanitize
- (notmuch-show-strip-re
- (notmuch-show-get-subject))))))
+ (setq header-line-format (notmuch-show--header-line-format))
(run-hooks 'notmuch-show-hook)
(if state
(notmuch-show-apply-state state)
If SHOW is non-nil, open the next item in a show
buffer. Otherwise just highlight the next item in the search
buffer. If PREVIOUS is non-nil, move to the previous item in the
-search results instead."
+search results instead.
+
+Return non-nil on success."
(interactive "P")
(let ((parent-buffer notmuch-show-parent-buffer))
(notmuch-bury-or-kill-this-buffer)