From e851f558c4b37de7757520757a620bbcb6b984b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A3o=20Gottwald?= <dao@mozilla.com>
Date: Tue, 27 Jul 2010 01:02:58 +0200
Subject: [PATCH] Bug 487829 - Scroll buttons should only react to left clicks.
 r=enn

--HG--
extra : rebase_source : fbf2e82c47d86dc98bfe5f9412f16770240ef455
---
 toolkit/content/widgets/scrollbox.xml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/toolkit/content/widgets/scrollbox.xml b/toolkit/content/widgets/scrollbox.xml
index ff5153fe2c33..f210f1a5c53e 100644
--- a/toolkit/content/widgets/scrollbox.xml
+++ b/toolkit/content/widgets/scrollbox.xml
@@ -549,9 +549,9 @@
                          xbl:inherits="orient"
                          anonid="scrollbutton-up"
                          onclick="_distanceScroll(event);"
-                         onmousedown="_startScroll(-1);"
+                         onmousedown="if (event.button == 0) _startScroll(-1);"
+                         onmouseup="if (event.button == 0) _stopScroll();"
                          onmouseover="_continueScroll(-1);"
-                         onmouseup="_stopScroll();"
                          onmouseout="_pauseScroll();"/>
       <xul:scrollbox xbl:inherits="orient,align,pack,dir" flex="1" anonid="scrollbox">
         <children/>
@@ -560,9 +560,9 @@
                          xbl:inherits="orient"
                          anonid="scrollbutton-down"
                          onclick="_distanceScroll(event);"
-                         onmousedown="_startScroll(1);"
+                         onmousedown="if (event.button == 0) _startScroll(1);"
+                         onmouseup="if (event.button == 0) _stopScroll();"
                          onmouseover="_continueScroll(1);"
-                         onmouseup="_stopScroll();"
                          onmouseout="_pauseScroll();"/>
     </content>
     <implementation implements="nsITimerCallback, nsIDOMEventListener">