From 5c7b1221186a05a9a257fccd6289357be89fc1e5 Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Sat, 21 Feb 2009 13:30:01 +0000
Subject: [PATCH] fix swiatchble-button to lose its hilite state when its
 hidden

svn: r13764
---
 collects/mrlib/switchable-button.ss | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/collects/mrlib/switchable-button.ss b/collects/mrlib/switchable-button.ss
index 4b56ab6170..b5563438c2 100644
--- a/collects/mrlib/switchable-button.ss
+++ b/collects/mrlib/switchable-button.ss
@@ -76,8 +76,16 @@
     (define/override (enable e?)
       (unless (equal? disabled? (not e?))
         (set! disabled? (not e?))
+        (set! down? #f)
+        (set! in? #f)
         (refresh)))
     (define/override (is-enabled?) (not disabled?))
+
+    (define/override (on-superwindow-show show?)
+      (unless show?
+        (set! in? #f)
+        (set! down? #f))
+      (super on-superwindow-show show?))
     
     (define/override (on-event evt)
       (cond