5 files changed, 34 insertions, 2 deletions
diff --git a/xorg-server/include/dix-config.h.in b/xorg-server/include/dix-config.h.in
index b270a3238..e1cb9eb51 100644
--- a/xorg-server/include/dix-config.h.in
+++ b/xorg-server/include/dix-config.h.in
@@ -429,6 +429,9 @@
 /* Define to 1 if typeof works with your compiler. */
 #undef HAVE_TYPEOF
 
+/* Define to __typeof__ if your compiler spells it that way. */
+#undef typeof
+
 /* The compiler supported TLS storage class, prefering initial-exec if tls_model is supported */
 #undef TLS
 
diff --git a/xorg-server/include/events.h b/xorg-server/include/events.h
index 222bf328b..c0ef45d5f 100644
--- a/xorg-server/include/events.h
+++ b/xorg-server/include/events.h
@@ -27,6 +27,7 @@
 typedef struct _DeviceEvent DeviceEvent;
 typedef struct _DeviceChangedEvent DeviceChangedEvent;
 typedef struct _TouchOwnershipEvent TouchOwnershipEvent;
+typedef struct _BarrierEvent BarrierEvent;
 
 #if XFreeXDGA
 typedef struct _DGAEvent DGAEvent;
diff --git a/xorg-server/include/eventstr.h b/xorg-server/include/eventstr.h
index dd6fbeffb..38fab4f3c 100644
--- a/xorg-server/include/eventstr.h
+++ b/xorg-server/include/eventstr.h
@@ -72,6 +72,8 @@ enum EventType {
     ET_RawTouchUpdate,
     ET_RawTouchEnd,
     ET_XQuartz,
+    ET_BarrierHit,
+    ET_BarrierLeave,
     ET_Internal = 0xFF          /* First byte */
 };
 
@@ -130,7 +132,7 @@ struct _DeviceEvent {
  */
 struct _TouchOwnershipEvent {
     unsigned char header; /**< Always ET_Internal */
-    enum EventType type;  /**< One of EventType */
+    enum EventType type;  /**< ET_TouchOwnership */
     int length;           /**< Length in bytes */
     Time time;            /**< Time in ms */
     int deviceid;         /**< Device to post this event for */
@@ -227,6 +229,25 @@ struct _RawDeviceEvent {
     uint32_t flags;       /**< Flags to be copied into the generated event */
 };
 
+struct _BarrierEvent {
+    unsigned char header; /**<  Always ET_Internal */
+    enum EventType type;  /**<  ET_BarrierHit, ET_BarrierLeave */
+    int length;           /**<  Length in bytes */
+    Time time;            /**<  Time in ms */
+    int deviceid;         /**< Device to post this event for */
+    int sourceid;         /**< The physical source device */
+    int barrierid;
+    Window window;
+    Window root;
+    double dx;
+    double dy;
+    double root_x;
+    double root_y;
+    int16_t dt;
+    int32_t event_id;
+    uint32_t flags;
+};
+
 #ifdef XQUARTZ
 #define XQUARTZ_EVENT_MAXARGS 5
 struct _XQuartzEvent {
@@ -253,6 +274,7 @@ union _InternalEvent {
     DeviceEvent device_event;
     DeviceChangedEvent changed_event;
     TouchOwnershipEvent touch_ownership_event;
+    BarrierEvent barrier_event;
 #if XFreeXDGA
     DGAEvent dga_event;
 #endif
diff --git a/xorg-server/include/input.h b/xorg-server/include/input.h
index 2387dbf4a..23a20b59d 100644
--- a/xorg-server/include/input.h
+++ b/xorg-server/include/input.h
@@ -678,4 +678,10 @@ extern _X_EXPORT void input_option_set_value(InputOption *opt,
 extern _X_HIDDEN Bool point_on_screen(ScreenPtr pScreen, int x, int y);
 extern _X_HIDDEN void update_desktop_dimensions(void);
 
+extern _X_HIDDEN void input_constrain_cursor(DeviceIntPtr pDev, ScreenPtr screen,
+                                             int current_x, int current_y,
+                                             int dest_x, int dest_y,
+                                             int *out_x, int *out_y,
+                                             int *nevents, InternalEvent* events);
+
 #endif                          /* INPUT_H */
diff --git a/xorg-server/include/inputstr.h b/xorg-server/include/inputstr.h
index bb0a77963..17cee9854 100644
--- a/xorg-server/include/inputstr.h
+++ b/xorg-server/include/inputstr.h
@@ -71,7 +71,7 @@ extern _X_EXPORT int CountBits(const uint8_t * mask, int len);
  * events to the protocol, the server will not support these events until
  * this number here is bumped.
  */
-#define XI2LASTEVENT    XI_RawTouchEnd
+#define XI2LASTEVENT    XI_BarrierLeave
 #define XI2MASKSIZE     ((XI2LASTEVENT >> 3) + 1)       /* no of bytes for masks */
 
 /**