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+ Sun, 25 Aug 2013 12:55:43 -0700 (PDT)\r
+From: Mark Walters <markwalters1009@gmail.com>\r
+To: notmuch@notmuchmail.org\r
+Subject: [Patch v4 1/3] contrib: pick: add thread based utility functions\r
+Date: Sun, 25 Aug 2013 20:55:32 +0100\r
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+\r
+Previously notmuch-pick had no thread based functionality. This adds a\r
+macro to iterate through all messages in a thread. To simplify this it\r
+adds a text-property marker to the first message of each thread.\r
+---\r
+ contrib/notmuch-pick/notmuch-pick.el | 24 ++++++++++++++++++++++++\r
+ 1 files changed, 24 insertions(+), 0 deletions(-)\r
+\r
+diff --git a/contrib/notmuch-pick/notmuch-pick.el b/contrib/notmuch-pick/notmuch-pick.el\r
+index 37dc161..fea118f 100644\r
+--- a/contrib/notmuch-pick/notmuch-pick.el\r
++++ b/contrib/notmuch-pick/notmuch-pick.el\r
+@@ -599,6 +599,29 @@ message will be \"unarchived\", i.e. the tag changes in\r
+ target\r
+ (get-buffer buffer-name))))\r
+ \r
++(defun notmuch-pick-thread-top ()\r
++ (when (notmuch-pick-get-message-properties)\r
++ (while (not (or (notmuch-pick-get-prop :first) (eobp)))\r
++ (forward-line -1))))\r
++\r
++(defun notmuch-pick-thread-mapcar (function)\r
++ "Iterate through all messages in the current thread\r
++ and call FUNCTION for side effects."\r
++ (save-excursion\r
++ (notmuch-pick-thread-top)\r
++ (loop collect (funcall function)\r
++ do (forward-line)\r
++ while (and (notmuch-pick-get-message-properties)\r
++ (not (notmuch-pick-get-prop :first))))))\r
++\r
++(defun notmuch-pick-get-messages-ids-thread-search ()\r
++ "Return a search string for all message ids of messages in the current thread."\r
++ (mapconcat 'identity\r
++ (notmuch-pick-thread-mapcar 'notmuch-pick-get-message-id)\r
++ " or "))\r
++\r
++;; Functions below here display the pick buffer itself.\r
++\r
+ (defun notmuch-pick-clean-address (address)\r
+ "Try to clean a single email ADDRESS for display. Return\r
+ AUTHOR_NAME if present, otherwise return AUTHOR_EMAIL. Return\r
+@@ -707,6 +730,7 @@ message together with all its descendents."\r
+ (push "├" tree-status)))\r
+ \r
+ (push (concat (if replies "┬" "─") "►") tree-status)\r
++ (plist-put msg :first (and first (eq 0 depth)))\r
+ (notmuch-pick-goto-and-insert-msg (plist-put msg :tree-status tree-status))\r
+ (pop tree-status)\r
+ (pop tree-status)\r
+-- \r
+1.7.9.1\r
+\r