Use the same struct for generic event masks throughout the code.

Renaming those structs too.

Previously grabs were using a different struct than windows, which was
reasonably stupid.

include/dix.h

@@ -52,6 +52,7 @@ SOFTWARE.
 #include "window.h"
 #include "input.h"
 #include "cursor.h"
+#include "geext.h"
 #include <X11/extensions/XI.h>
 
 #define EARLIER -1

include/inputstr.h

@@ -53,6 +53,7 @@ SOFTWARE.
 #include "window.h"
 #include "dixstruct.h"
 #include "cursorstr.h"
+#include "geext.h"
 
 #define BitIsOn(ptr, bit) (((BYTE *) (ptr))[(bit)>>3] & (1 << ((bit) & 7)))
 
@@ -102,12 +103,6 @@ typedef struct _DetailRec {		/* Grab details may be bit masks */
     Mask                *pMask;
 } DetailRec;
 
-typedef struct _GenericMaskRec {
-    int                 extension;
-    Mask                mask;
-    struct _GenericMaskRec* next;
-} GenericMaskRec;
-
 /**
  * Central struct for device grabs. 
  * The same struct is used for both core grabs and device grabs, with
@@ -139,7 +134,7 @@ typedef struct _GrabRec {
     CursorPtr		cursor;		/* always NULL for keyboards */
     Mask		eventMask;
     Mask                deviceMask;     
-    GenericMaskPtr      genericMasks;   /* null terminated list */
+    GenericMaskPtr      genericMasks;
 } GrabRec;
 
 typedef struct _KeyClassRec {

include/misc.h

@@ -243,7 +243,6 @@ typedef struct pixman_box16 *BoxPtr;
 typedef struct _xEvent *xEventPtr;
 typedef struct _xRectangle *xRectanglePtr;
 typedef struct _GrabRec *GrabPtr;
-typedef struct _GenericMaskRec *GenericMaskPtr;
 
 /*  typedefs from other places - duplicated here to minimize the amount
  *  of unnecessary junk that one would normally have to include to get

include/windowstr.h

@@ -77,17 +77,15 @@ typedef struct _DevCursorNode {
     struct _DevCursorNode*      next;
 } DevCursNodeRec, *DevCursNodePtr, *DevCursorList;
 
-typedef struct _GEClientRec {
-    Mask        eventMask[MAXEXTENSIONS];
-    ClientPtr   client;
-    struct _GEClientRec* next;
-} GEClientRec, *GEClientPtr;
-
-/* Mask structure for GE extension. Allows one mask per extension. */
-typedef struct _GEEventMasks {
-    Mask        eventMasks[MAXEXTENSIONS];
-    struct _GEClientRec*  geClients;
-} GEEventMasksRec, *GEEventMasksPtr;
+/* Mask structure for GE extension as stored on the window.
+ * Allows one mask per extension.
+ *   .eventMask - Summary mask for all clients, used for quick checking.
+ *   .geClients - list of clients with their specific mask.
+ */
+typedef struct _GenericClientMasks {
+    Mask                eventMasks[MAXEXTENSIONS];
+    GenericMaskPtr      geClients;
+} GenericClientMasksRec, *GenericClientMasksPtr;
 
 typedef struct _WindowAccessRec {
     int                  defaultRule;      /* WindowAccessDenyAll */
@@ -117,7 +115,7 @@ typedef struct _WindowOpt {
     struct _OtherInputMasks *inputMasks;   /* default: NULL */
 #endif
     DevCursorList       deviceCursors;     /* default: NULL */
-    struct _GEEventMasks* geMasks;         /* default: NULL */
+    struct _GenericClientMasks *geMasks;/* default: NULL */
     WindowAccessRec     access;
 } WindowOptRec, *WindowOptPtr;