+(defun notmuch-show-seen-current-message (start end)
+ "Mark the current message read if it is open.
+
+We only mark it read once: if it is changed back then that is a
+user decision and we should not override it."
+ (when (and (notmuch-show-message-visible-p)
+ (not (notmuch-show-get-prop :seen)))
+ (notmuch-show-mark-read)
+ (notmuch-show-set-prop :seen t)))
+
+(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)))))
+