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+/* $Xorg: XSndExEv.c,v 1.4 2001/02/09 02:03:51 xorgcvs Exp $ */
+
+/************************************************************
+
+Copyright 1989, 1998 The Open Group
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+
+Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Hewlett-Packard not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+/* $XFree86: xc/lib/Xi/XSndExEv.c,v 3.3 2001/12/14 19:55:23 dawes Exp $ */
+
+/***********************************************************************
+ *
+ * XSendExtensionEvent - send an extension event to a client.
+ *
+ */
+
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include <X11/Xlibint.h>
+#include <X11/extensions/XInput.h>
+#include <X11/extensions/extutil.h>
+#include "XIint.h"
+
+extern Status _XiEventToWire();
+
+Status
+XSendExtensionEvent (dpy, dev, dest, prop, count, list, event)
+ register Display *dpy;
+ XDevice *dev;
+ Window dest;
+ Bool prop;
+ int count;
+ XEventClass *list;
+ XEvent *event;
+ {
+ int num_events;
+ int ev_size;
+ xSendExtensionEventReq *req;
+ xEvent *ev;
+ register Status (**fp)();
+ Status status;
+ XExtDisplayInfo *info = XInput_find_display (dpy);
+
+ LockDisplay (dpy);
+ if (_XiCheckExtInit(dpy, XInput_Initial_Release) == -1)
+ return (NoSuchExtension);
+
+ /* call through display to find proper conversion routine */
+
+ fp = &dpy->wire_vec[event->type & 0177];
+ if (*fp == NULL)
+ *fp = _XiEventToWire;
+ status = (**fp)(dpy, event, &ev, &num_events);
+
+ if (status)
+ {
+ GetReq(SendExtensionEvent,req);
+ req->reqType = info->codes->major_opcode;
+ req->ReqType = X_SendExtensionEvent;
+ req->deviceid = dev->device_id;
+ req->destination = dest;
+ req->propagate = prop;
+ req->count = count;
+ req->num_events = num_events;
+ ev_size = num_events * sizeof (xEvent);
+ req->length += (count + (ev_size >> 2));
+
+ /* note: Data is a macro that uses its arguments multiple
+ times, so "count" is changed in a separate assignment
+ statement. Any extra events must be sent before the event
+ list, in order to ensure quad alignment. */
+
+ Data (dpy, (char *) ev, ev_size);
+
+ count <<= 2;
+ Data32 (dpy, (long *) list, count);
+ XFree ((char *)ev);
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (status);
+ }
+