(when (window-live-p notmuch-tree-message-window)
(notmuch-tree-show-message-in)))
+(defun notmuch-tree-goto-matching-message (&optional prev)
+ "Move to the next or previous matching message.
+
+Returns t if there was a next matching message in the thread to show,
+nil otherwise."
+ (let ((dir (if prev -1 nil))
+ (eobfn (if prev #'bobp #'eobp)))
+ (while (and (not (funcall eobfn))
+ (not (notmuch-tree-get-match)))
+ (forward-line dir))
+ (not (funcall eobfn))))
+
(defun notmuch-tree-prev-matching-message ()
"Move to previous matching message."
(interactive)
(forward-line -1)
- (while (and (not (bobp)) (not (notmuch-tree-get-match)))
- (forward-line -1))
+ (notmuch-tree-goto-matching-message t)
(when (window-live-p notmuch-tree-message-window)
(notmuch-tree-show-message-in)))
"Move to next matching message."
(interactive)
(forward-line)
- (while (and (not (eobp)) (not (notmuch-tree-get-match)))
- (forward-line))
+ (notmuch-tree-goto-matching-message)
(when (window-live-p notmuch-tree-message-window)
(notmuch-tree-show-message-in)))