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+/* $Xorg: opendev.c,v 1.4 2001/02/09 02:04:34 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/programs/Xserver/Xi/opendev.c,v 3.2 2001/01/17 22:13:25 dawes Exp $ */
+
+/***********************************************************************
+ *
+ * Request to open an extension input 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 <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "XIstubs.h"
+#include "windowstr.h" /* window structure */
+#include "extnsionst.h"
+#include "extinit.h" /* LookupDeviceIntRec */
+#include "exglobals.h"
+
+#include "opendev.h"
+
+extern CARD8 event_base [];
+
+/***********************************************************************
+ *
+ * This procedure swaps the request if the server and client have different
+ * byte orderings.
+ *
+ */
+
+int
+SProcXOpenDevice(client)
+ register ClientPtr client;
+ {
+ register char n;
+
+ REQUEST(xOpenDeviceReq);
+ swaps(&stuff->length, n);
+ return(ProcXOpenDevice(client));
+ }
+
+/***********************************************************************
+ *
+ * This procedure causes the server to open an input device.
+ *
+ */
+
+int
+ProcXOpenDevice(client)
+ register ClientPtr client;
+ {
+ xInputClassInfo evbase [numInputClasses];
+ Bool enableit = FALSE;
+ int j=0;
+ int status = Success;
+ xOpenDeviceReply rep;
+ DeviceIntPtr dev;
+
+ REQUEST(xOpenDeviceReq);
+ REQUEST_SIZE_MATCH(xOpenDeviceReq);
+
+ if (stuff->deviceid == inputInfo.pointer->id ||
+ stuff->deviceid == inputInfo.keyboard->id)
+ {
+ SendErrorToClient(client, IReqCode, X_OpenDevice, 0, BadDevice);
+ return Success;
+ }
+
+ if ((dev = LookupDeviceIntRec(stuff->deviceid)) == NULL) /* not open */
+ {
+ for (dev=inputInfo.off_devices; dev; dev=dev->next)
+ if (dev->id == stuff->deviceid)
+ break;
+ if (dev == NULL)
+ {
+ SendErrorToClient(client, IReqCode, X_OpenDevice, 0, BadDevice);
+ return Success;
+ }
+ enableit = TRUE;
+ }
+
+ OpenInputDevice (dev, client, &status);
+ if (status != Success)
+ {
+ SendErrorToClient(client, IReqCode, X_OpenDevice, 0, status);
+ return Success;
+ }
+ if (enableit && dev->inited && dev->startup)
+ (void)EnableDevice(dev);
+
+ rep.repType = X_Reply;
+ rep.RepType = X_OpenDevice;
+ rep.sequenceNumber = client->sequence;
+ if (dev->key != NULL)
+ {
+ evbase[j].class = KeyClass;
+ evbase[j++].event_type_base = event_base[KeyClass];
+ }
+ if (dev->button != NULL)
+ {
+ evbase[j].class = ButtonClass;
+ evbase[j++].event_type_base = event_base[ButtonClass];
+ }
+ if (dev->valuator != NULL)
+ {
+ evbase[j].class = ValuatorClass;
+ evbase[j++].event_type_base = event_base[ValuatorClass];
+ }
+ if (dev->kbdfeed != NULL || dev->ptrfeed != NULL || dev->leds != NULL ||
+ dev->intfeed != NULL || dev->bell != NULL || dev->stringfeed != NULL)
+ {
+ evbase[j].class = FeedbackClass;
+ evbase[j++].event_type_base = event_base[FeedbackClass];
+ }
+ if (dev->focus != NULL)
+ {
+ evbase[j].class = FocusClass;
+ evbase[j++].event_type_base = event_base[FocusClass];
+ }
+ if (dev->proximity != NULL)
+ {
+ evbase[j].class = ProximityClass;
+ evbase[j++].event_type_base = event_base[ProximityClass];
+ }
+ evbase[j].class = OtherClass;
+ evbase[j++].event_type_base = event_base[OtherClass];
+ rep.length = (j * sizeof (xInputClassInfo) + 3) >> 2;
+ rep.num_classes = j;
+ WriteReplyToClient (client, sizeof (xOpenDeviceReply), &rep);
+ WriteToClient(client, j * sizeof (xInputClassInfo), (char *)evbase);
+ return (Success);
+ }
+
+/***********************************************************************
+ *
+ * This procedure writes the reply for the XOpenDevice function,
+ * if the client and server have a different byte ordering.
+ *
+ */
+
+void
+SRepXOpenDevice (client, size, rep)
+ ClientPtr client;
+ int size;
+ xOpenDeviceReply *rep;
+ {
+ register char n;
+
+ swaps(&rep->sequenceNumber, n);
+ swapl(&rep->length, n);
+ WriteToClient(client, size, (char *)rep);
+ }