Index: trunk/Ohana/src/kapa/include/constants.h
===================================================================
--- trunk/Ohana/src/kapa/include/constants.h	(revision 2473)
+++ trunk/Ohana/src/kapa/include/constants.h	(revision 3695)
@@ -1,4 +1,13 @@
 /* hardwired values for some window parameters */
-# define EVENT_MASK (long) (ButtonPressMask | ClientMessage | ButtonReleaseMask | KeyPressMask | ExposureMask | StructureNotifyMask | PointerMotionMask)
+
+# define EVENT_MASK (long) \
+(ButtonPressMask \
+ | ClientMessage \
+ | ButtonReleaseMask \
+ | KeyPressMask \
+ | ExposureMask \
+ | StructureNotifyMask \
+ | PointerMotionMask)
+
 # define DEFAULT_CURSOR XC_crosshair
 # define BORDER_WIDTH 2
@@ -18,2 +27,20 @@
 enum {SCALE, NOSCALE, RAW};
 
+/* EVENT_MASK consists of:
+
+ExposureMask        : Expose
+StructureNotifyMask : CirculateNotify | 
+                      ConfigureNotify | 
+                      DestroyNotify   | 
+		      GravityNotify   | 
+		      MapNotify       |
+		      ReparentNotify  |
+		      UnmapNotify
+ButtonPressMask     : ButtonPress
+ButtonReleaseMask   : ButtonRelease
+KeyPressMask        : KeyPress
+PointerMotionMask   : MotionNotify
+(always)            : ClientMessage 
+(always)            : MappingNotify
+
+*/