diff options
Diffstat (limited to 'xorg-server/Xi/gtmotion.c')
-rw-r--r-- | xorg-server/Xi/gtmotion.c | 348 |
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); +} |