From 909e8dc4d95cd4bae089f50d84073f7419aff350 Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <stepien.nicolas@gmail.com>
Date: Mon, 25 Jun 2012 13:00:22 +0200
Subject: [PATCH] Fix Menu position on Firefox.

---
 4chan_x.user.js | 7 ++++---
 script.coffee   | 5 +++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index c0f4be73f..488373617 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1101,7 +1101,7 @@
       return $.on(a, 'click', Menu.toggle);
     },
     toggle: function(e) {
-      var lastOpener, s;
+      var lastOpener, rect, s;
       e.preventDefault();
       e.stopPropagation();
       if (Menu.el.parentNode) {
@@ -1112,8 +1112,9 @@
         }
       }
       s = Menu.el.style;
-      s.top = this.offsetTop + this.offsetHeight + 2 + 'px';
-      s.left = this.offsetLeft + 'px';
+      rect = this.getBoundingClientRect();
+      s.top = d.documentElement.scrollTop + d.body.scrollTop + rect.top + rect.height + 2 + 'px';
+      s.left = d.documentElement.scrollLeft + d.body.scrollLeft + rect.left + 'px';
       Menu.lastOpener = this;
       return Menu.open(Main.preParse($.x('ancestor::div[contains(@class,"postContainer")][1]', this)));
     },
diff --git a/script.coffee b/script.coffee
index d94d530e5..a2ff84de5 100644
--- a/script.coffee
+++ b/script.coffee
@@ -850,8 +850,9 @@ Menu =
     # Position
     s = Menu.el.style
     # XXX prevent overflows
-    s.top  = @offsetTop  + @offsetHeight + 2 + 'px'
-    s.left = @offsetLeft + 'px'
+    rect   = @getBoundingClientRect()
+    s.top  = d.documentElement.scrollTop  + d.body.scrollTop  + rect.top  + rect.height + 2 + 'px'
+    s.left = d.documentElement.scrollLeft + d.body.scrollLeft + rect.left + 'px'
 
     Menu.lastOpener = @
     Menu.open Main.preParse $.x 'ancestor::div[contains(@class,"postContainer")][1]', @