From: Bill Pemberton <wfp5p@virginia.edu>
Date: Thu, 19 Apr 2012 23:37:44 +0400
Subject: [PATCH] Increase number of mouse buttons supported


diff --git a/libs/defaults.h b/libs/defaults.h
index ad39f8b..ad15994 100644
--- a/libs/defaults.h
+++ b/libs/defaults.h
@@ -25,7 +25,7 @@
 /* The "extended" buttons do not provide the full functionality because X has
  * no bit mask value for them.  Things like dragging windows don't work with
  * them. */
-#define NUMBER_OF_EXTENDED_MOUSE_BUTTONS   9
+#define NUMBER_OF_EXTENDED_MOUSE_BUTTONS   15
 #if NUMBER_OF_EXTENDED_MOUSE_BUTTONS > 31
 #error No more than 31 mouse buttons can be supported on 32 bit platforms
 #endif