From 676b26ca3e9b142cf007af3f439aa1993f2247c4 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter@cs.unisa.edu.au>
Date: Thu, 8 Nov 2007 17:54:17 +1030
Subject: [PATCH] Xi: notify the clients when the device hierarchy has been
 changed.

---
 Xi/chdevhier.c | 10 ++++++++++
 Xi/extinit.c   |  5 ++---
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/Xi/chdevhier.c b/Xi/chdevhier.c
index c916c0f47..338c07433 100644
--- a/Xi/chdevhier.c
+++ b/Xi/chdevhier.c
@@ -79,9 +79,11 @@ int
 ProcXChangeDeviceHierarchy(ClientPtr client)
 {
     DeviceIntPtr ptr, keybd;
+    DeviceIntRec dummyDev;
     xAnyHierarchyChangeInfo *any;
     int required_len = sizeof(xChangeDeviceHierarchyReq);
     char n;
+    deviceHierarchyChangedEvent ev;
 
     REQUEST(xChangeDeviceHierarchyReq);
     REQUEST_AT_LEAST_SIZE(xChangeDeviceHierarchyReq);
@@ -226,6 +228,14 @@ ProcXChangeDeviceHierarchy(ClientPtr client)
         any = (xAnyHierarchyChangeInfo*)((char*)any + any->length);
     }
 
+    ev.type = GenericEvent;
+    ev.extension = IReqCode;
+    ev.length = 0;
+    ev.evtype = XI_DeviceHierarchyChangedNotify;
+    ev.time = GetTimeInMillis();
+
+    SendEventToAllWindows(&dummyDev, XI_DeviceHierarchyChangedMask, 
+            (xEvent*)&ev, 1);
     return Success;
 }
 
diff --git a/Xi/extinit.c b/Xi/extinit.c
index de2653f43..0ecb421f0 100644
--- a/Xi/extinit.c
+++ b/Xi/extinit.c
@@ -137,9 +137,8 @@ Mask ExtExclusiveMasks[EMASKSIZE];
  * Evtype is index, mask is value at index.
  */
 static Mask xi_filters[3] = {
-    XI_PointerKeyboardPairingChangedMask,
-    XI_RandomStringMask,
-    XI_RawDeviceEventMask,  
+    XI_DeviceHierarchyChangedMask,
+    XI_RawDeviceEventMask,
 };
 
 static struct dev_type