Xi: Adding ChangePointerKeyboardPairing request

Adding PointerKeyboardPairingChanged event
	Correct error values for XWarpDevicePointer

dix:	Adding device argument to SendMappingNotify
	Adding spriteOwner flag to devices

Xi/chpkpair.c

@@ -0,0 +1,100 @@
+/*
+
+Copyright 2006 Peter Hutterer <peter@cs.unisa.edu.au>
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the author shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from the author.
+
+*/
+
+/***********************************************************************
+ *
+ * Request change pairing between pointer and keyboard device.
+ *
+ */
+
+#define	 NEED_EVENTS
+#define	 NEED_REPLIES
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>	/* for inputstr.h    */
+#include <X11/Xproto.h>	/* Request macro     */
+#include "inputstr.h"	/* DeviceIntPtr      */
+#include "windowstr.h"	/* window structure  */
+#include "scrnintstr.h"	/* screen structure  */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "extnsionst.h"
+#include "extinit.h"	/* LookupDeviceIntRec */
+#include "exevents.h"
+#include "exglobals.h"
+
+
+#include "chpkpair.h"
+
+/***********************************************************************
+ *
+ * This procedure allows a client to change the pairing of a pointer with a
+ * a keyboard.
+ *
+ */
+
+int SProcXChangePointerKeyboardPairing(register ClientPtr client)
+{
+    register char n;
+
+    REQUEST(xChangePointerKeyboardPairingReq);
+    swaps(&stuff->length, n);
+    return (ProcXChangePointerKeyboardPairing(client));
+}
+
+int
+ProcXChangePointerKeyboardPairing(register ClientPtr client)
+{
+    DeviceIntPtr pPointer, pKeyboard;
+
+    REQUEST(xChangePointerKeyboardPairingReq);
+    REQUEST_SIZE_MATCH(xChangePointerKeyboardPairingReq);
+
+    pPointer = LookupDeviceIntRec(stuff->pointer);
+    if (pPointer == NULL)
+    {
+        SendErrorToClient(client, IReqCode, X_ChangePointerKeyboardPairing, 
+                stuff->pointer, BadDevice); 
+        return Success;
+    }
+
+    pKeyboard = LookupDeviceIntRec(stuff->keyboard);
+    if (pKeyboard == NULL)
+    {
+        SendErrorToClient(client, IReqCode, X_ChangePointerKeyboardPairing, 
+                stuff->keyboard, BadDevice); 
+        return Success;
+    }
+
+    pKeyboard->pSprite = pPointer->pSprite;
+
+    /* TODO: generate event here... */
+    return Success;
+}