From: morioka <morioka>
Date: Mon, 17 Mar 1997 13:25:53 +0000 (+0000)
Subject: (mime-add-button): New implementation.
X-Git-Tag: Hokutetsu-Ishikawa-new~90
X-Git-Url: http://git.chise.org/gitweb/?a=commitdiff_plain;h=55fb89f1c0870216d1fe68ec50a67702c92b163e;p=elisp%2Fsemi.git

(mime-add-button): New implementation.
---

diff --git a/mime-def.el b/mime-def.el
index 2e4a702..bcb3be2 100644
--- a/mime-def.el
+++ b/mime-def.el
@@ -3,7 +3,7 @@
 ;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: mime-def.el,v 0.43 1997-03-10 15:16:26 morioka Exp $
+;; Version: $Id: mime-def.el,v 0.44 1997-03-17 13:25:53 morioka Exp $
 ;; Keywords: definition, MIME, multimedia, mail, news
 
 ;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
@@ -78,18 +78,20 @@
 (defvar mime-button-mouse-face 'highlight
   "Face used for MIME-preview buffer mouse highlighting.")
 
-(defun mime-add-button (from to func &optional data)
+(defsubst mime-add-button (from to func &optional data)
   "Create a button between FROM and TO with callback FUNC and data DATA."
   (and mime-button-face
        (overlay-put (make-overlay from to) 'face mime-button-face))
-  (add-text-properties from to
-		       (nconc
-			(and mime-button-mouse-face
-			     (list 'mouse-face mime-button-mouse-face))
-			(list 'mime-button-callback func)
-			(and data (list 'mime-button-data data))
-			))
-  )
+  (let ((props (cons 'mime-button-callback
+		     (cons func
+			   (if data
+			       (list 'mime-button-data data)
+			     )))))
+    (if mime-button-mouse-face
+	(setq props (cons 'mouse-face (cons mime-button-mouse-face props)))
+      )
+    (add-text-properties from to props)
+    ))
 
 (defvar mime-button-mother-dispatcher nil)