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+/* $Xorg: chgkbd.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.
+
+********************************************************/
+/* $XFree86: xc/programs/Xserver/Xi/chgkbd.c,v 3.5 2001/08/23 14:56:19 alanh Exp $ */
+
+/***********************************************************************
+ *
+ * Extension function to change the 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 <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "XIstubs.h"
+#include "globals.h"
+#include "extnsionst.h"
+#include "extinit.h" /* LookupDeviceIntRec */
+
+#include "exevents.h"
+#include "exglobals.h"
+
+#include "chgkbd.h"
+#include "chgptr.h"
+
+/***********************************************************************
+ *
+ * This procedure changes the keyboard device.
+ *
+ */
+
+int
+SProcXChangeKeyboardDevice(client)
+ register ClientPtr client;
+ {
+ register char n;
+
+ REQUEST(xChangeKeyboardDeviceReq);
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xChangeKeyboardDeviceReq);
+ return(ProcXChangeKeyboardDevice(client));
+ }
+
+/***********************************************************************
+ *
+ * This procedure is invoked to swap the request bytes if the server and
+ * client have a different byte order.
+ *
+ */
+
+int
+ProcXChangeKeyboardDevice (client)
+ register ClientPtr client;
+ {
+ int i;
+ DeviceIntPtr xkbd = inputInfo.keyboard;
+ DeviceIntPtr dev;
+ FocusClassPtr xf = xkbd->focus;
+ FocusClassPtr df;
+ KeyClassPtr k;
+ xChangeKeyboardDeviceReply rep;
+ changeDeviceNotify ev;
+
+ REQUEST(xChangeKeyboardDeviceReq);
+ REQUEST_SIZE_MATCH(xChangeKeyboardDeviceReq);
+
+ rep.repType = X_Reply;
+ rep.RepType = X_ChangeKeyboardDevice;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ dev = LookupDeviceIntRec (stuff->deviceid);
+ if (dev == NULL)
+ {
+ rep.status = -1;
+ SendErrorToClient(client, IReqCode, X_ChangeKeyboardDevice, 0,
+ BadDevice);
+ return Success;
+ }
+
+ k = dev->key;
+ if (k == NULL)
+ {
+ rep.status = -1;
+ SendErrorToClient(client, IReqCode, X_ChangeKeyboardDevice, 0,
+ BadMatch);
+ return Success;
+ }
+
+ if (((dev->grab) && !SameClient(dev->grab, client)) ||
+ ((xkbd->grab) && !SameClient(xkbd->grab, client)))
+ rep.status = AlreadyGrabbed;
+ else if ((dev->sync.frozen &&
+ dev->sync.other && !SameClient(dev->sync.other, client)) ||
+ (xkbd->sync.frozen &&
+ xkbd->sync.other && !SameClient(xkbd->sync.other, client)))
+ rep.status = GrabFrozen;
+ else
+ {
+ if (ChangeKeyboardDevice (xkbd, dev) != Success)
+ {
+ SendErrorToClient(client, IReqCode, X_ChangeKeyboardDevice, 0,
+ BadDevice);
+ return Success;
+ }
+ if (!dev->focus)
+ InitFocusClassDeviceStruct (dev);
+ if (!dev->kbdfeed)
+ InitKbdFeedbackClassDeviceStruct(dev, (BellProcPtr)NoopDDA,
+ (KbdCtrlProcPtr)NoopDDA);
+ df = dev->focus;
+ df->win = xf->win;
+ df->revert = xf->revert;
+ df->time = xf->time;
+ df->traceGood = xf->traceGood;
+ if (df->traceSize != xf->traceSize)
+ {
+ Must_have_memory = TRUE; /* XXX */
+ df->trace = (WindowPtr *) xrealloc(df->trace,
+ xf->traceSize * sizeof(WindowPtr));
+ Must_have_memory = FALSE; /* XXX */
+ }
+ df->traceSize = xf->traceSize;
+ for (i=0; i<df->traceSize; i++)
+ df->trace[i] = xf->trace[i];
+ RegisterOtherDevice (xkbd);
+ RegisterKeyboardDevice (dev);
+
+ ev.type = ChangeDeviceNotify;
+ ev.deviceid = stuff->deviceid;
+ ev.time = currentTime.milliseconds;
+ ev.request = NewKeyboard;
+
+ SendEventToAllWindows (dev, ChangeDeviceNotifyMask, (xEvent *)&ev, 1);
+ SendMappingNotify (MappingKeyboard, k->curKeySyms.minKeyCode,
+ k->curKeySyms.maxKeyCode - k->curKeySyms.minKeyCode + 1,client);
+
+ rep.status = 0;
+ }
+
+ WriteReplyToClient (client, sizeof (xChangeKeyboardDeviceReply),
+ &rep);
+ return Success;
+ }
+
+/***********************************************************************
+ *
+ * This procedure writes the reply for the XChangeKeyboardDevice
+ * function, if the client and server have a different byte ordering.
+ *
+ */
+
+void
+SRepXChangeKeyboardDevice (client, size, rep)
+ ClientPtr client;
+ int size;
+ xChangeKeyboardDeviceReply *rep;
+ {
+ register char n;
+
+ swaps(&rep->sequenceNumber, n);
+ swapl(&rep->length, n);
+ WriteToClient(client, size, (char *)rep);
+ }