[PATCH 3/7] emacs: hello: store previous saved-search results

Mark Walters markwalters1009 at gmail.com
Sun May 11 01:34:38 PDT 2014


This adds a variable which keeps track of the previous saved search
results. It is stored as a plist with keys being the saved
searches. The result the saved search display function gave last time
is passed to the display-function as the the keyword :old argument.

This is useful for display functions that want to keep some state: eg
to show that the count has changed, new messages have arrived etc. The
function returns a saved search style plist so it can store any
information it likes inside this plist.
---
 emacs/notmuch-hello.el |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/emacs/notmuch-hello.el b/emacs/notmuch-hello.el
index 7075860..e11006b 100644
--- a/emacs/notmuch-hello.el
+++ b/emacs/notmuch-hello.el
@@ -127,6 +127,10 @@ (defcustom notmuch-saved-searches '((:name "inbox" :query "tag:inbox")
   :tag "List of Saved Searches"
   :group 'notmuch-hello)
 
+(defvar notmuch-hello-saved-search-results nil
+  "Current saved search counts as a plist")
+(make-local-variable 'notmuch-hello-saved-search-results)
+
 (defcustom notmuch-hello-recent-searches-max 10
   "The number of recent searches to display."
   :type 'integer
@@ -541,11 +545,15 @@ (defun notmuch-hello-query-counts (query-list &rest options)
       (lambda (elem)
 	(let* ((elem-plist (notmuch-hello-saved-search-to-plist elem))
 	       (display-function (plist-get elem-plist :display-function))
+	       (old-result (plist-get notmuch-hello-saved-search-results elem))
 	       (result (if display-function
 			    (funcall display-function
 				     :current elem-plist
+				     :old old-result
 				     :option options)
 			  (notmuch-hello-batch-message-count elem-plist options))))
+	  (setq notmuch-hello-saved-search-results
+		(plist-put notmuch-hello-saved-search-results elem result))
 	  result))
       query-list))))
 
-- 
1.7.10.4



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