From 6bc84b094065df3e51f0ef97c65fb8684264d697 Mon Sep 17 00:00:00 2001
From: Tom Willemse <tom@ryuslash.org>
Date: Fri, 4 Nov 2016 14:18:38 +0100
Subject: [PATCH] Add topic change circe formatter

---
 emacs/.emacs.d/vendor-lisp/sermon/sermon.el | 22 +++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/emacs/.emacs.d/vendor-lisp/sermon/sermon.el b/emacs/.emacs.d/vendor-lisp/sermon/sermon.el
index 06a4490..6e55de5 100644
--- a/emacs/.emacs.d/vendor-lisp/sermon/sermon.el
+++ b/emacs/.emacs.d/vendor-lisp/sermon/sermon.el
@@ -58,6 +58,8 @@
   "The original value of `circe-format-server-part'.")
 (defvar sermon-original-format-server-nick-change nil
   "The original value of `circe-format-server-nick-change'.")
+(defvar sermon-original-format-server-topic nil
+  "The original vlaue of `circe-format-server-topic'.")
 
 (defun sermon--fill-string ()
   (make-string (+ sermon-longest-nick 3) ?\s))
@@ -144,6 +146,14 @@
     (plist-put keywords :intro "***"))
    'wrap-prefix (sermon--fill-string)))
 
+(defun sermon-server-topic-formatter (&rest keywords)
+  (propertize
+   (lui-format
+    (format "{intro:%ds}   {nick} changed topic to: {new-topic}"
+            sermon-longest-nick)
+    (plist-put keywords :intro "***"))
+   'wrap-prefix (sermon--fill-string)))
+
 ;;;###autoload
 (defun enable-sermon ()
   (interactive)
@@ -203,7 +213,13 @@
       (setq sermon-original-format-server-nick-change
             circe-format-server-nick-change))
   (setq circe-format-server-nick-change
-        #'sermon-server-nick-change-formatter))
+        #'sermon-server-nick-change-formatter)
+
+  (if (null sermon-original-format-server-topic)
+      (setq sermon-original-format-server-topic
+            circe-format-server-topic))
+  (setq circe-format-server-topic
+        #'sermon-server-topic-formatter))
 
 (defun disable-sermon ()
   (interactive)
@@ -228,7 +244,9 @@
         circe-format-server-part sermon-original-format-server-part
         sermon-original-format-server-part nil
         circe-format-server-nick-change sermon-original-format-server-nick-change
-        sermon-original-format-server-nick-change nil))
+        sermon-original-format-server-nick-change nil
+        circe-format-server-topic sermon-original-format-server-topic
+        sermon-original-format-topic nil))
 
 (provide 'sermon)
 ;;; sermon.el ends here