From 00d4cf6858d3c6e71985df564bbaf6065fe84d9f Mon Sep 17 00:00:00 2001
From: Michael Jumper <zhangmaike@users.sourceforge.net>
Date: Tue, 26 Apr 2011 12:31:20 -0700
Subject: [PATCH] Release mouse buttons if mouse leaves browser window.

---
 guacamole-common-js/src/main/resources/mouse.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/guacamole-common-js/src/main/resources/mouse.js b/guacamole-common-js/src/main/resources/mouse.js
index 6f422d2ee..fb8600519 100644
--- a/guacamole-common-js/src/main/resources/mouse.js
+++ b/guacamole-common-js/src/main/resources/mouse.js
@@ -112,6 +112,21 @@ function GuacamoleMouse(element) {
         buttonReleasedHandler(getMouseState(0, 0));
     };
 
+    element.onmouseout = function(e) {
+
+        e.stopPropagation();
+
+        // Release all buttons
+        if (mouseLeftButton || mouseMiddleButton || mouseRightButton) {
+            mouseLeftButton = 0;
+            mouseMiddleButton = 0;
+            mouseRightButton = 0;
+
+            buttonReleasedHandler(getMouseState(0, 0));
+        }
+
+    };
+
     // Override selection on mouse event element.
     element.onselectstart = function() {
         return false;