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+ Tue, 11 Dec 2012 01:00:44 -0800 (PST)\r
+From: Damien Cassou <damien.cassou@gmail.com>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH 1/4] emacs: Add a thread's tags to notmuch-show header-line\r
+Date: Tue, 11 Dec 2012 10:00:34 +0100\r
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+\r
+Signed-off-by: Damien Cassou <damien.cassou@gmail.com>\r
+---\r
+ emacs/notmuch-lib.el | 11 +++++++++--\r
+ emacs/notmuch-show.el | 27 +++++++++++++++++++++++----\r
+ emacs/notmuch-tagger.el | 35 +++++++++++++++++++++++++++++++++++\r
+ 3 files changed, 67 insertions(+), 6 deletions(-)\r
+ create mode 100644 emacs/notmuch-tagger.el\r
+\r
+diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el\r
+index 9c4ee71..3541bb7 100644\r
+--- a/emacs/notmuch-lib.el\r
++++ b/emacs/notmuch-lib.el\r
+@@ -603,8 +603,15 @@ left it."\r
+ ;; Clear out what we've parsed\r
+ (delete-region (point-min) (point))))\r
+ \r
+-\r
+-\r
++(defun notmuch-intersperse (list sep)\r
++ "Return a list with all elements of LIST separated by SEP."\r
++ (let ((first t)\r
++ (res nil))\r
++ (dolist (elt list (nreverse res))\r
++ (unless first\r
++ (push sep res))\r
++ (setq first nil)\r
++ (push elt res))))\r
+ \r
+ (provide 'notmuch-lib)\r
+ \r
+diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el\r
+index 7d9f8a9..a71497a 100644\r
+--- a/emacs/notmuch-show.el\r
++++ b/emacs/notmuch-show.el\r
+@@ -36,6 +36,7 @@\r
+ (require 'notmuch-mua)\r
+ (require 'notmuch-crypto)\r
+ (require 'notmuch-print)\r
++(require 'notmuch-tagger)\r
+ \r
+ (declare-function notmuch-call-notmuch-process "notmuch" (&rest args))\r
+ (declare-function notmuch-fontify-headers "notmuch" nil)\r
+@@ -364,7 +365,8 @@ operation on the contents of the current buffer."\r
+ (replace-match (concat "("\r
+ (propertize (mapconcat 'identity tags " ")\r
+ 'face 'notmuch-tag-face)\r
+- ")"))))))\r
++ ")")))))\r
++ (notmuch-show-update-header-line))\r
+ \r
+ (defun notmuch-clean-address (address)\r
+ "Try to clean a single email ADDRESS for display. Return a cons\r
+@@ -1136,11 +1138,28 @@ function is used."\r
+ \r
+ (jit-lock-register #'notmuch-show-buttonise-links)\r
+ \r
+- ;; Set the header line to the subject of the first message.\r
+- (setq header-line-format (notmuch-show-strip-re (notmuch-show-get-subject)))\r
+-\r
++ (notmuch-show-update-header-line)\r
+ (run-hooks 'notmuch-show-hook))))\r
+ \r
++(defun notmuch-show-thread-tags ()\r
++ "Return the list of tags for the current thread."\r
++ (let ((tags (list)))\r
++ (notmuch-show-mapc (lambda ()\r
++ (mapcar (lambda (elt)\r
++ ;; Avoid adding duplicate tags\r
++ (add-to-list 'tags elt))\r
++ (notmuch-show-get-tags))))\r
++ tags))\r
++\r
++(defun notmuch-show-update-header-line ()\r
++ "Make the header-line show the thread's subject and tags."\r
++ (let ((thread-subject (notmuch-show-strip-re (notmuch-show-get-subject))))\r
++ (setq header-line-format\r
++ (list\r
++ thread-subject\r
++ " "\r
++ (notmuch-tagger-format-tags-header-line (notmuch-show-thread-tags))))))\r
++\r
+ (defun notmuch-show-capture-state ()\r
+ "Capture the state of the current buffer.\r
+ \r
+diff --git a/emacs/notmuch-tagger.el b/emacs/notmuch-tagger.el\r
+new file mode 100644\r
+index 0000000..6fcebff\r
+--- /dev/null\r
++++ b/emacs/notmuch-tagger.el\r
+@@ -0,0 +1,35 @@\r
++;; notmuch-tagger.el --- Library to improve the way tags are displayed\r
++;;\r
++;; Copyright © Damien Cassou\r
++;;\r
++;; This file is part of Notmuch.\r
++;;\r
++;; Notmuch is free software: you can redistribute it and/or modify it\r
++;; under the terms of the GNU General Public License as published by\r
++;; the Free Software Foundation, either version 3 of the License, or\r
++;; (at your option) any later version.\r
++;;\r
++;; Notmuch is distributed in the hope that it will be useful, but\r
++;; WITHOUT ANY WARRANTY; without even the implied warranty of\r
++;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
++;; General Public License for more details.\r
++;;\r
++;; You should have received a copy of the GNU General Public License\r
++;; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.\r
++;;\r
++;; Authors: Damien Cassou <damien.cassou@gmail.com>\r
++;;; Commentary:\r
++;;\r
++;;; Code:\r
++;;\r
++\r
++(defun notmuch-tagger-format-tags-header-line (tags)\r
++ "Format TAGS as a `mode-line-format' template.\r
++The result is suitable for inclusion in `header-line-format'."\r
++ (list\r
++ "("\r
++ (notmuch-intersperse tags " ")\r
++ ")"))\r
++\r
++(provide 'notmuch-tagger)\r
++;;; notmuch-tagger.el ends here\r
+-- \r
+1.7.10.4\r
+\r