diff options
Diffstat (limited to 'xorg-server/Xi/gtmotion.c')
-rw-r--r-- | xorg-server/Xi/gtmotion.c | 356 |
1 files changed, 178 insertions, 178 deletions
diff --git a/xorg-server/Xi/gtmotion.c b/xorg-server/Xi/gtmotion.c index 8e91c5a47..930e08c8c 100644 --- a/xorg-server/Xi/gtmotion.c +++ b/xorg-server/Xi/gtmotion.c @@ -1,178 +1,178 @@ -/************************************************************ - -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. - * - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "inputstr.h" /* DeviceIntPtr */ -#include <X11/extensions/XI.h> -#include <X11/extensions/XIproto.h> -#include "exevents.h" -#include "exglobals.h" - -#include "gtmotion.h" - -/*********************************************************************** - * - * Swap the request if server and client have different byte ordering. - * - */ - -int -SProcXGetDeviceMotionEvents(ClientPtr client) -{ - 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(ClientPtr client) -{ - INT32 *coords = NULL, *bufptr; - xGetDeviceMotionEventsReply rep; - unsigned long i; - int rc, num_events, axes, size = 0; - unsigned long nEvents; - DeviceIntPtr dev; - TimeStamp start, stop; - int length = 0; - ValuatorClassPtr v; - - REQUEST(xGetDeviceMotionEventsReq); - - REQUEST_SIZE_MATCH(xGetDeviceMotionEventsReq); - rc = dixLookupDevice(&dev, stuff->deviceid, client, DixReadAccess); - if (rc != Success) - return rc; - v = dev->valuator; - if (v == NULL || v->numAxes == 0) - return BadMatch; - 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 = Absolute; /* XXX we don't do relative at the moment */ - 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)); - rep.nEvents = GetMotionHistory(dev, (xTimecoord **) &coords,/* XXX */ - start.milliseconds, stop.milliseconds, - (ScreenPtr) NULL, FALSE); - } - if (rep.nEvents > 0) { - length = bytes_to_int32(rep.nEvents * size); - rep.length = length; - } - nEvents = rep.nEvents; - WriteReplyToClient(client, sizeof(xGetDeviceMotionEventsReply), &rep); - if (nEvents) { - if (client->swapped) { - char n; - - bufptr = coords; - for (i = 0; i < nEvents * (axes + 1); i++) { - swapl(bufptr, n); - bufptr++; - } - } - WriteToClient(client, length * 4, (char *)coords); - } - if (coords) - xfree(coords); - return Success; -} - -/*********************************************************************** - * - * This procedure writes the reply for the XGetDeviceMotionEvents function, - * if the client and server have a different byte ordering. - * - */ - -void -SRepXGetDeviceMotionEvents(ClientPtr client, int size, - xGetDeviceMotionEventsReply * rep) -{ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - swapl(&rep->nEvents, n); - WriteToClient(client, size, (char *)rep); -} +/************************************************************
+
+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.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "inputstr.h" /* DeviceIntPtr */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "exevents.h"
+#include "exglobals.h"
+
+#include "gtmotion.h"
+
+/***********************************************************************
+ *
+ * Swap the request if server and client have different byte ordering.
+ *
+ */
+
+int
+SProcXGetDeviceMotionEvents(ClientPtr client)
+{
+ 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(ClientPtr client)
+{
+ INT32 *coords = NULL, *bufptr;
+ xGetDeviceMotionEventsReply rep;
+ unsigned long i;
+ int rc, num_events, axes, size = 0;
+ unsigned long nEvents;
+ DeviceIntPtr dev;
+ TimeStamp start, stop;
+ int length = 0;
+ ValuatorClassPtr v;
+
+ REQUEST(xGetDeviceMotionEventsReq);
+
+ REQUEST_SIZE_MATCH(xGetDeviceMotionEventsReq);
+ rc = dixLookupDevice(&dev, stuff->deviceid, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+ v = dev->valuator;
+ if (v == NULL || v->numAxes == 0)
+ return BadMatch;
+ 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 = Absolute; /* XXX we don't do relative at the moment */
+ 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));
+ rep.nEvents = GetMotionHistory(dev, (xTimecoord **) &coords,/* XXX */
+ start.milliseconds, stop.milliseconds,
+ (ScreenPtr) NULL, FALSE);
+ }
+ if (rep.nEvents > 0) {
+ length = bytes_to_int32(rep.nEvents * size);
+ rep.length = length;
+ }
+ nEvents = rep.nEvents;
+ WriteReplyToClient(client, sizeof(xGetDeviceMotionEventsReply), &rep);
+ if (nEvents) {
+ if (client->swapped) {
+ char n;
+
+ bufptr = coords;
+ for (i = 0; i < nEvents * (axes + 1); i++) {
+ swapl(bufptr, n);
+ bufptr++;
+ }
+ }
+ WriteToClient(client, length * 4, (char *)coords);
+ }
+ if (coords)
+ free(coords);
+ return Success;
+}
+
+/***********************************************************************
+ *
+ * This procedure writes the reply for the XGetDeviceMotionEvents function,
+ * if the client and server have a different byte ordering.
+ *
+ */
+
+void
+SRepXGetDeviceMotionEvents(ClientPtr client, int size,
+ xGetDeviceMotionEventsReply * rep)
+{
+ char n;
+
+ swaps(&rep->sequenceNumber, n);
+ swapl(&rep->length, n);
+ swapl(&rep->nEvents, n);
+ WriteToClient(client, size, (char *)rep);
+}
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