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Diffstat (limited to 'xorg-server/Xi/gtmotion.c')
-rw-r--r--xorg-server/Xi/gtmotion.c348
1 files changed, 171 insertions, 177 deletions
diff --git a/xorg-server/Xi/gtmotion.c b/xorg-server/Xi/gtmotion.c
index ae69a3c92..34f167b40 100644
--- a/xorg-server/Xi/gtmotion.c
+++ b/xorg-server/Xi/gtmotion.c
@@ -1,177 +1,171 @@
-/************************************************************
-
-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);
- }
- 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);
-}
+/************************************************************
+
+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)
+{
+ REQUEST(xGetDeviceMotionEventsReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xGetDeviceMotionEventsReq);
+ swapl(&stuff->start);
+ swapl(&stuff->stop);
+ 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) {
+ bufptr = coords;
+ for (i = 0; i < nEvents * (axes + 1); i++) {
+ swapl(bufptr);
+ bufptr++;
+ }
+ }
+ WriteToClient(client, length * 4, (char *)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)
+{
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ swapl(&rep->nEvents);
+ WriteToClient(client, size, (char *)rep);
+}