231 lines
6.5 KiB
C
231 lines
6.5 KiB
C
/* $Xorg: getdctl.c,v 1.4 2001/02/09 02:04:34 xorgcvs Exp $ */
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/************************************************************
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Copyright 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Hewlett-Packard not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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********************************************************/
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/* $XFree86: xc/programs/Xserver/Xi/getdctl.c,v 3.3 2001/01/17 22:13:24 dawes Exp $ */
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/********************************************************************
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*
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* Get Device control attributes for an extension device.
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*
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*/
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#define NEED_EVENTS /* for inputstr.h */
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#define NEED_REPLIES
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h> /* for inputstr.h */
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#include <X11/Xproto.h> /* Request macro */
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#include "inputstr.h" /* DeviceIntPtr */
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "extnsionst.h"
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#include "extinit.h" /* LookupDeviceIntRec */
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#include "exglobals.h"
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#include "getdctl.h"
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/***********************************************************************
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*
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* This procedure gets the control attributes for an extension device,
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* for clients on machines with a different byte ordering than the server.
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*
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*/
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int
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SProcXGetDeviceControl(client)
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register ClientPtr client;
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{
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register char n;
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REQUEST(xGetDeviceControlReq);
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swaps(&stuff->length, n);
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REQUEST_SIZE_MATCH(xGetDeviceControlReq);
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swaps(&stuff->control, n);
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return(ProcXGetDeviceControl(client));
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}
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/***********************************************************************
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*
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* Get the state of the specified device control.
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*
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*/
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int
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ProcXGetDeviceControl(client)
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ClientPtr client;
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{
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int total_length = 0;
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char *buf, *savbuf;
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register DeviceIntPtr dev;
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xGetDeviceControlReply rep;
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REQUEST(xGetDeviceControlReq);
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REQUEST_SIZE_MATCH(xGetDeviceControlReq);
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dev = LookupDeviceIntRec (stuff->deviceid);
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if (dev == NULL)
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{
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SendErrorToClient (client, IReqCode, X_GetDeviceControl, 0,
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BadDevice);
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return Success;
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}
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rep.repType = X_Reply;
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rep.RepType = X_GetDeviceControl;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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switch (stuff->control)
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{
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case DEVICE_RESOLUTION:
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if (!dev->valuator)
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{
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SendErrorToClient (client, IReqCode, X_GetDeviceControl, 0,
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BadMatch);
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return Success;
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}
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total_length = sizeof (xDeviceResolutionState) +
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(3 * sizeof(int) * dev->valuator->numAxes);
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break;
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default:
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SendErrorToClient (client, IReqCode, X_GetDeviceControl, 0,
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BadValue);
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return Success;
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}
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buf = (char *) xalloc (total_length);
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if (!buf)
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{
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SendErrorToClient(client, IReqCode, X_GetDeviceControl, 0,
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BadAlloc);
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return Success;
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}
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savbuf=buf;
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switch (stuff->control)
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{
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case DEVICE_RESOLUTION:
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CopySwapDeviceResolution(client, dev->valuator, buf,
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total_length);
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break;
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default:
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break;
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}
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rep.length = (total_length+3) >> 2;
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WriteReplyToClient(client, sizeof(xGetDeviceControlReply), &rep);
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WriteToClient(client, total_length, savbuf);
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xfree (savbuf);
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return Success;
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}
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/***********************************************************************
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*
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* This procedure copies DeviceResolution data, swapping if necessary.
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*
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*/
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void
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CopySwapDeviceResolution (client, v, buf, length)
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ClientPtr client;
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ValuatorClassPtr v;
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char *buf;
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int length;
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{
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register char n;
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AxisInfoPtr a;
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xDeviceResolutionState *r;
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int i, *iptr;
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r = (xDeviceResolutionState *) buf;
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r->control = DEVICE_RESOLUTION;
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r->length = length;
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r->num_valuators = v->numAxes;
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buf += sizeof (xDeviceResolutionState);
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iptr = (int *) buf;
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for (i=0,a=v->axes; i<v->numAxes; i++,a++)
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*iptr++ = a->resolution;
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for (i=0,a=v->axes; i<v->numAxes; i++,a++)
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*iptr++ = a->min_resolution;
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for (i=0,a=v->axes; i<v->numAxes; i++,a++)
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*iptr++ = a->max_resolution;
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if (client->swapped)
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{
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swaps (&r->control,n);
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swaps (&r->length,n);
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swapl (&r->num_valuators,n);
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iptr = (int *) buf;
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for (i=0; i < (3 * v->numAxes); i++,iptr++)
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{
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swapl (iptr,n);
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}
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}
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}
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/***********************************************************************
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*
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* This procedure writes the reply for the xGetDeviceControl function,
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* if the client and server have a different byte ordering.
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*
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*/
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void
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SRepXGetDeviceControl (client, size, rep)
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ClientPtr client;
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int size;
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xGetDeviceControlReply *rep;
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{
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register char n;
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swaps(&rep->sequenceNumber, n);
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swapl(&rep->length, n);
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WriteToClient(client, size, (char *)rep);
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}
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