===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tmux.h,v
retrieving revision 1.442
retrieving revision 1.443
diff -u -r1.442 -r1.443
--- src/usr.bin/tmux/tmux.h	2014/03/31 21:39:59	1.442
+++ src/usr.bin/tmux/tmux.h	2014/03/31 21:40:21	1.443
@@ -1,4 +1,4 @@
-/* $OpenBSD: tmux.h,v 1.442 2014/03/31 21:39:59 nicm Exp $ */
+/* $OpenBSD: tmux.h,v 1.443 2014/03/31 21:40:21 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -1128,18 +1128,26 @@
 };
 LIST_HEAD(tty_terms, tty_term);
 
+/* Mouse button masks. */
+#define MOUSE_MASK_BUTTONS 3
+#define MOUSE_MASK_SHIFT 4
+#define MOUSE_MASK_META 8
+#define MOUSE_MASK_CTRL 16
+#define MOUSE_MASK_DRAG 32
+#define MOUSE_MASK_WHEEL 64
+
 /* Mouse wheel states. */
 #define MOUSE_WHEEL_UP 0
 #define MOUSE_WHEEL_DOWN 1
 
-/* Mouse events. */
+/* Mouse event bits. */
 #define MOUSE_EVENT_DOWN 0x1
 #define MOUSE_EVENT_DRAG 0x2
 #define MOUSE_EVENT_UP 0x4
 #define MOUSE_EVENT_CLICK 0x8
 #define MOUSE_EVENT_WHEEL 0x10
 
-/* Mouse flags. */
+/* Mouse flag bits. */
 #define MOUSE_RESIZE_PANE 0x1
 
 /*