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+/* $Xorg: devbell.c,v 1.4 2001/02/09 02:04:33 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.
+
+********************************************************/
+
+/***********************************************************************
+ *
+ * Extension function to change the keyboard device.
+ *
+ */
+
+#define NEED_EVENTS
+#define NEED_REPLIES
+#include "X.h" /* for inputstr.h */
+#include "Xproto.h" /* Request macro */
+#include "inputstr.h" /* DeviceIntPtr */
+#include "XI.h"
+#include "XIproto.h"
+
+extern int IReqCode;
+extern int BadDevice;
+extern void (* ReplySwapVector[256]) ();
+DeviceIntPtr LookupDeviceIntRec();
+
+/***********************************************************************
+ *
+ * This procedure is invoked to swap the request bytes if the server and
+ * client have a different byte order.
+ *
+ */
+
+int
+SProcXDeviceBell(client)
+ register ClientPtr client;
+ {
+ register char n;
+
+ REQUEST(xDeviceBellReq);
+ swaps(&stuff->length, n);
+ return(ProcXDeviceBell(client));
+ }
+
+/***********************************************************************
+ *
+ * This procedure rings a bell on an extension device.
+ *
+ */
+
+ProcXDeviceBell (client)
+ register ClientPtr client;
+ {
+ DeviceIntPtr dev;
+ KbdFeedbackPtr k;
+ BellFeedbackPtr b;
+ int base;
+ int newpercent;
+ CARD8 class;
+ pointer ctrl;
+ void (*proc)();
+
+ REQUEST(xDeviceBellReq);
+ REQUEST_SIZE_MATCH(xDeviceBellReq);
+
+ dev = LookupDeviceIntRec (stuff->deviceid);
+ if (dev == NULL)
+ {
+ client->errorValue = stuff->deviceid;
+ SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadDevice);
+ return Success;
+ }
+
+ if (stuff->percent < -100 || stuff->percent > 100)
+ {
+ client->errorValue = stuff->percent;
+ SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadValue);
+ return Success;
+ }
+ if (stuff->feedbackclass == KbdFeedbackClass)
+ {
+ for (k=dev->kbdfeed; k; k=k->next)
+ if (k->ctrl.id == stuff->feedbackid)
+ break;
+ if (!k)
+ {
+ client->errorValue = stuff->feedbackid;
+ SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadValue);
+ return Success;
+ }
+ base = k->ctrl.bell;
+ proc = k->BellProc;
+ ctrl = (pointer) &(k->ctrl);
+ class = KbdFeedbackClass;
+ }
+ else if (stuff->feedbackclass == BellFeedbackClass)
+ {
+ for (b=dev->bell; b; b=b->next)
+ if (b->ctrl.id == stuff->feedbackid)
+ break;
+ if (!b)
+ {
+ client->errorValue = stuff->feedbackid;
+ SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadValue);
+ return Success;
+ }
+ base = b->ctrl.percent;
+ proc = b->BellProc;
+ ctrl = (pointer) &(b->ctrl);
+ class = BellFeedbackClass;
+ }
+ else
+ {
+ client->errorValue = stuff->feedbackclass;
+ SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadValue);
+ return Success;
+ }
+ newpercent = (base * stuff->percent) / 100;
+ if (stuff->percent < 0)
+ newpercent = base + newpercent;
+ else
+ newpercent = base - newpercent + stuff->percent;
+ (*proc)(newpercent, dev, ctrl, class);
+
+ return Success;
+ }