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authorKaleb Keithley <kaleb@freedesktop.org>2003-11-14 15:54:54 +0000
committerKaleb Keithley <kaleb@freedesktop.org>2003-11-14 15:54:54 +0000
commitded6147bfb5d75ff1e67c858040a628b61bc17d1 (patch)
tree82355105e93cdac89ef7d987424351c77545faf0 /Xi/gtmotion.c
parentcb6ef07bf01e72d1a6e6e83ceb7f76d6534da941 (diff)
R6.6 is the Xorg base-lineXORG-MAIN
Diffstat (limited to 'Xi/gtmotion.c')
-rw-r--r--Xi/gtmotion.c206
1 files changed, 206 insertions, 0 deletions
diff --git a/Xi/gtmotion.c b/Xi/gtmotion.c
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+/* $Xorg: gtmotion.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.
+
+********************************************************/
+
+/***********************************************************************
+ *
+ * Request to get the motion history from an extension 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();
+
+/***********************************************************************
+ *
+ * Swap the request if server and client have different byte ordering.
+ *
+ */
+
+int
+SProcXGetDeviceMotionEvents(client)
+register ClientPtr client;
+ {
+ register char n;
+
+ REQUEST(xGetDeviceMotionEventsReq);
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xGetDeviceMotionEventsReq);
+ swapl(&stuff->start, n);
+ swapl(&stuff->stop, n);
+ return(ProcXGetDeviceMotionEvents(client));
+ }
+
+/****************************************************************************
+ *
+ * Get the motion history for an extension pointer devices.
+ *
+ */
+
+int
+ProcXGetDeviceMotionEvents(client)
+ ClientPtr client;
+{
+ INT32 *coords = NULL, *bufptr;
+ xGetDeviceMotionEventsReply rep;
+ int i, j, num_events, axes, size, tsize;
+ unsigned long nEvents;
+ DeviceIntPtr dev;
+ TimeStamp start, stop;
+ void XSwapTimeCoordWrite();
+ int length = 0;
+ ValuatorClassPtr v;
+
+ REQUEST(xGetDeviceMotionEventsReq);
+
+ REQUEST_SIZE_MATCH(xGetDeviceMotionEventsReq);
+ dev = LookupDeviceIntRec (stuff->deviceid);
+ if (dev == NULL)
+ {
+ SendErrorToClient(client, IReqCode, X_GetDeviceMotionEvents, 0,
+ BadDevice);
+ return Success;
+ }
+ v = dev->valuator;
+ if (v==NULL || v->numAxes == 0)
+ {
+ SendErrorToClient(client, IReqCode, X_GetDeviceMotionEvents, 0,
+ BadMatch);
+ return Success;
+ }
+ if (dev->valuator->motionHintWindow)
+ MaybeStopDeviceHint(dev, client);
+ axes = v->numAxes;
+ rep.repType = X_Reply;
+ rep.RepType = X_GetDeviceMotionEvents;
+ rep.sequenceNumber = client->sequence;
+ rep.nEvents = 0;
+ rep.axes = axes;
+ rep.mode = v->mode & DeviceMode;
+ rep.length = 0;
+ start = ClientTimeToServerTime(stuff->start);
+ stop = ClientTimeToServerTime(stuff->stop);
+ if (CompareTimeStamps(start, stop) == LATER ||
+ CompareTimeStamps(start, currentTime) == LATER)
+ {
+ WriteReplyToClient(client, sizeof(xGetDeviceMotionEventsReply), &rep);
+ return Success;
+ }
+ if (CompareTimeStamps(stop, currentTime) == LATER)
+ stop = currentTime;
+ num_events = v->numMotionEvents;
+ if (num_events)
+ {
+ size = sizeof(Time) + (axes * sizeof (INT32));
+ tsize = num_events * size;
+ coords = (INT32 *) ALLOCATE_LOCAL(tsize);
+ if (!coords)
+ {
+ SendErrorToClient(client, IReqCode, X_GetDeviceMotionEvents, 0,
+ BadAlloc);
+ return Success;
+ }
+ rep.nEvents = (v->GetMotionProc) (
+ dev, (xTimecoord *)coords, /* XXX */
+ start.milliseconds, stop.milliseconds, (ScreenPtr)NULL);
+ }
+ if (rep.nEvents > 0)
+ {
+ length = (rep.nEvents * size +3) >> 2;
+ rep.length = length;
+ }
+ nEvents = rep.nEvents;
+ WriteReplyToClient(client, sizeof(xGetDeviceMotionEventsReply), &rep);
+ if (nEvents)
+ {
+ if (client->swapped)
+ {
+ register char n;
+
+ bufptr = coords;
+ for (i=0; i<nEvents * (axes+1); i++)
+ {
+ swapl(bufptr, n);
+ bufptr++;
+ }
+ }
+ WriteToClient(client, length * 4, (char *)coords);
+ }
+ if (coords)
+ DEALLOCATE_LOCAL(coords);
+ return Success;
+}
+
+/***********************************************************************
+ *
+ * This procedure writes the reply for the XGetDeviceMotionEvents function,
+ * if the client and server have a different byte ordering.
+ *
+ */
+
+SRepXGetDeviceMotionEvents (client, size, rep)
+ ClientPtr client;
+ int size;
+ xGetDeviceMotionEventsReply *rep;
+ {
+ register char n;
+
+ swaps(&rep->sequenceNumber, n);
+ swapl(&rep->length, n);
+ swapl(&rep->nEvents, n);
+ WriteToClient(client, size, (char *)rep);
+ }