[PATCH WIP v2 1/6] emacs: show: add a function to test for unread

diff --git a/6e/e8b314f24e65fb5dbc145ce616d00724c176cb b/6e/e8b314f24e65fb5dbc145ce616d00724c176cb
new file mode 100644 (file)
index 0000000..de32265
--- /dev/null
+++ b/6e/e8b314f24e65fb5dbc145ce616d00724c176cb
@@ -0,0 +1,95 @@
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+From: Mark Walters <markwalters1009@gmail.com>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH WIP v2 1/6] emacs: show: add a function to test for unread\r
+Date: Sun,  1 Dec 2013 10:02:22 +0000\r
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+\r
+This adds a function which tests for unread. A message is deemed\r
+unread if applying `notmuch-show-mark-read-tags' would change the\r
+message's tags.\r
+---\r
+ emacs/notmuch-show.el |   11 +++++++++++\r
+ 1 files changed, 11 insertions(+), 0 deletions(-)\r
+\r
+diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el\r
+index 784644c..a135e79 100644\r
+--- a/emacs/notmuch-show.el\r
++++ b/emacs/notmuch-show.el\r
+@@ -1510,6 +1510,17 @@ current thread."\r
+   "Are the headers of the current message visible?"\r
+   (notmuch-show-get-prop :headers-visible))\r
+ \r
++(defun notmuch-show-unread-p ()\r
++  "Return t if current message is unread.\r
++\r
++Returns t unless applying `notmuch-show-mark-read-tags' would be\r
++a no-op"\r
++  (when notmuch-show-mark-read-tags\r
++    (let* ((current-tags (notmuch-show-get-tags))\r
++         (tag-changes (notmuch-tag-change-list notmuch-show-mark-read-tags))\r
++         (new-tags (notmuch-update-tags current-tags tag-changes)))\r
++      (not (equal current-tags new-tags)))))\r
++\r
+ (put 'notmuch-show-mark-read 'notmuch-prefix-doc\r
+      "Mark the current message as unread.")\r
+ (defun notmuch-show-mark-read (&optional unread)\r
+-- \r
+1.7.9.1\r
+\r