[PATCH inputproto] Added version 2.1 constants.

[Philipp Reh]

Also updated the specs for XIGrabDevice which now
sends an additional confine_to parameter after the mask.

Signed-off-by: Philipp Reh <sefi at s-e-f-i.de>
---
 XI2.h              |    4 ++++
 specs/XI2proto.txt |    7 +++++++
 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/XI2.h b/XI2.h
index 3c39946..90730be 100644
--- a/XI2.h
+++ b/XI2.h
@@ -32,11 +32,15 @@
 #define Dont_Check                              0
 #endif
 #define XInput_2_0                              7
+#define XInput_2_1                              8
 
 
 #define XI_2_Major                              2
 #define XI_2_Minor                              0
 
+#define XI_2_1_Major                            2
+#define XI_2_1_Minor                            1
+
 /* Property event flags */
 #define XIPropertyDeleted                       0
 #define XIPropertyCreated                       1
diff --git a/specs/XI2proto.txt b/specs/XI2proto.txt
index 1e3adbe..41f4786 100644
--- a/specs/XI2proto.txt
+++ b/specs/XI2proto.txt
@@ -816,6 +816,7 @@ Return the current focus window for the given device.
             cursor:          Cursor
             mask_len:        CARD16
             masks:           SETofEVENTMASK
+            confine_to:      Window
             ▶
             status:          Success, AlreadyGrabbed, Frozen, InvalidTime, NotViewable
     └───
@@ -845,6 +846,8 @@ device.
         Length of mask in 4 byte units.
     mask
         Event mask. An event mask for an event type T is defined as (1 << T).
+    confine_to
+        The window to confine the pointer to. Can be None.
     status
         Success or the reason why the grab could not be established.
 
@@ -881,6 +884,10 @@ devices are frozen; they are simply queued for later processing.
 If the cursor is not None and the device is a master pointer device, the
 cursor will be displayed until the device is ungrabbed.
 
+Also, if confine_to is not None and the device is a master pointer device,
+the cursor will be confined to that window. This behaviour is new
+in version 2.1 of the procotol.
+
 This request fails and returns:
 
     AlreadyGrabbed: If the device is actively grabbed by some other client.
-- 
1.7.5.rc3