318 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			318 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
/************************************************************
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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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/********************************************************************
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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 "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 "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(ClientPtr client)
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{
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    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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 * This procedure copies DeviceResolution data, swapping if necessary.
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 *
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 */
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static void
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CopySwapDeviceResolution(ClientPtr client, ValuatorClassPtr v, char *buf,
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			 int length)
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{
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    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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	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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	    swapl(iptr, n);
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	}
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    }
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}
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static void CopySwapDeviceAbsCalib (ClientPtr client, AbsoluteClassPtr dts,
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                                char *buf)
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{
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    char n;
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    xDeviceAbsCalibState *calib = (xDeviceAbsCalibState *) buf;
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    calib->control = DEVICE_ABS_CALIB;
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    calib->length = sizeof(calib);
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    calib->min_x = dts->min_x;
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    calib->max_x = dts->max_x;
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    calib->min_y = dts->min_y;
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    calib->max_y = dts->max_y;
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    calib->flip_x = dts->flip_x;
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    calib->flip_y = dts->flip_y;
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    calib->rotation = dts->rotation;
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    calib->button_threshold = dts->button_threshold;
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    if (client->swapped) {
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        swaps(&calib->control, n);
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        swaps(&calib->length, n);
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        swapl(&calib->min_x, n);
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        swapl(&calib->max_x, n);
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        swapl(&calib->min_y, n);
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        swapl(&calib->max_y, n);
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        swapl(&calib->flip_x, n);
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        swapl(&calib->flip_y, n);
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        swapl(&calib->rotation, n);
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        swapl(&calib->button_threshold, n);
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    }
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}
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static void CopySwapDeviceAbsArea (ClientPtr client, AbsoluteClassPtr dts,
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                                char *buf)
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{
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    char n;
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    xDeviceAbsAreaState *area = (xDeviceAbsAreaState *) buf;
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    area->control = DEVICE_ABS_AREA;
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    area->length = sizeof(area);
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    area->offset_x = dts->offset_x;
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    area->offset_y = dts->offset_y;
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    area->width = dts->width;
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    area->height = dts->height;
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    area->screen = dts->screen;
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    area->following = dts->following;
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    if (client->swapped) {
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        swaps(&area->control, n);
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        swaps(&area->length, n);
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        swapl(&area->offset_x, n);
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        swapl(&area->offset_y, n);
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        swapl(&area->width, n);
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        swapl(&area->height, n);
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        swapl(&area->screen, n);
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        swapl(&area->following, n);
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    }
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}
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static void CopySwapDeviceCore (ClientPtr client, DeviceIntPtr dev, char *buf)
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{
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    char n;
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    xDeviceCoreState *c = (xDeviceCoreState *) buf;
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    c->control = DEVICE_CORE;
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    c->length = sizeof(c);
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    c->status = dev->coreEvents;
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    c->iscore = (dev == inputInfo.keyboard || dev == inputInfo.pointer);
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    if (client->swapped) {
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        swaps(&c->control, n);
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        swaps(&c->length, n);
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        swaps(&c->status, n);
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    }
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}
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static void CopySwapDeviceEnable (ClientPtr client, DeviceIntPtr dev, char *buf)
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{
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    char n;
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    xDeviceEnableState *e = (xDeviceEnableState *) buf;
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    e->control = DEVICE_ENABLE;
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    e->length = sizeof(e);
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    e->enable = dev->enabled;
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    if (client->swapped) {
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        swaps(&e->control, n);
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        swaps(&e->length, n);
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        swaps(&e->enable, n);
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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(ClientPtr client, int size, xGetDeviceControlReply * rep)
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{
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    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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/***********************************************************************
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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(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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    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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	return BadDevice;
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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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    case DEVICE_RESOLUTION:
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	if (!dev->valuator)
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	    return BadMatch;
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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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    case DEVICE_ABS_CALIB:
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        if (!dev->absolute)
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	    return BadMatch;
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        total_length = sizeof(xDeviceAbsCalibCtl);
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        break;
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    case DEVICE_ABS_AREA:
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        if (!dev->absolute)
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	    return BadMatch;
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        total_length = sizeof(xDeviceAbsAreaCtl);
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        break;
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    case DEVICE_CORE:
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        total_length = sizeof(xDeviceCoreCtl);
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        break;
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    case DEVICE_ENABLE:
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        total_length = sizeof(xDeviceEnableCtl);
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        break;
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    default:
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	return BadValue;
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    }
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    buf = (char *)xalloc(total_length);
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    if (!buf)
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	return BadAlloc;
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    savbuf = buf;
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    switch (stuff->control) {
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    case DEVICE_RESOLUTION:
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	CopySwapDeviceResolution(client, dev->valuator, buf, total_length);
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	break;
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    case DEVICE_ABS_CALIB:
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        CopySwapDeviceAbsCalib(client, dev->absolute, buf);
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        break;
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    case DEVICE_ABS_AREA:
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        CopySwapDeviceAbsArea(client, dev->absolute, buf);
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        break;
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    case DEVICE_CORE:
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        CopySwapDeviceCore(client, dev, buf);
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        break;
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    case DEVICE_ENABLE:
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        CopySwapDeviceEnable(client, dev, buf);
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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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