2006-11-26 11:13:41 -07:00
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/*
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Copyright 1998, 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
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from The Open Group.
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*/
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/***********************************************************************
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*
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* Request to query the state of an extension input device.
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*
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*/
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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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2012-06-10 07:21:05 -06:00
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#include "inputstr.h" /* DeviceIntPtr */
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#include "windowstr.h" /* window structure */
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2006-11-26 11:13:41 -07:00
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "exevents.h"
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#include "exglobals.h"
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2010-07-27 13:02:24 -06:00
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#include "xkbsrv.h"
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#include "xkbstr.h"
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2006-11-26 11:13:41 -07:00
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#include "queryst.h"
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/***********************************************************************
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*
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* This procedure allows a client to query the state of a device.
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*
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*/
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int
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2007-11-24 10:55:21 -07:00
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SProcXQueryDeviceState(ClientPtr client)
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2006-11-26 11:13:41 -07:00
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{
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REQUEST(xQueryDeviceStateReq);
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2012-06-10 07:21:05 -06:00
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swaps(&stuff->length);
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2006-11-26 11:13:41 -07:00
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return (ProcXQueryDeviceState(client));
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}
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/***********************************************************************
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*
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* This procedure allows frozen events to be routed.
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*
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*/
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int
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ProcXQueryDeviceState(ClientPtr client)
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{
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int rc, i;
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int num_classes = 0;
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int total_length = 0;
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char *buf, *savbuf;
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KeyClassPtr k;
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xKeyState *tk;
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ButtonClassPtr b;
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xButtonState *tb;
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ValuatorClassPtr v;
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xValuatorState *tv;
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xQueryDeviceStateReply rep;
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DeviceIntPtr dev;
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double *values;
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REQUEST(xQueryDeviceStateReq);
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REQUEST_SIZE_MATCH(xQueryDeviceStateReq);
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2008-11-02 08:26:08 -07:00
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rc = dixLookupDevice(&dev, stuff->deviceid, client, DixReadAccess);
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if (rc != Success && rc != BadAccess)
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return rc;
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v = dev->valuator;
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if (v != NULL && v->motionHintWindow != NULL)
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MaybeStopDeviceHint(dev, client);
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k = dev->key;
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if (k != NULL) {
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total_length += sizeof(xKeyState);
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num_classes++;
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}
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b = dev->button;
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if (b != NULL) {
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total_length += sizeof(xButtonState);
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num_classes++;
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}
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if (v != NULL) {
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total_length += (sizeof(xValuatorState) + (v->numAxes * sizeof(int)));
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num_classes++;
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}
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buf = (char *) calloc(total_length, 1);
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if (!buf)
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return BadAlloc;
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2006-11-26 11:13:41 -07:00
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savbuf = buf;
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if (k != NULL) {
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tk = (xKeyState *) buf;
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tk->class = KeyClass;
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tk->length = sizeof(xKeyState);
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tk->num_keys = k->xkbInfo->desc->max_key_code -
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k->xkbInfo->desc->min_key_code + 1;
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if (rc != BadAccess)
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for (i = 0; i < 32; i++)
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tk->keys[i] = k->down[i];
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buf += sizeof(xKeyState);
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2006-11-26 11:13:41 -07:00
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}
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if (b != NULL) {
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tb = (xButtonState *) buf;
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tb->class = ButtonClass;
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tb->length = sizeof(xButtonState);
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tb->num_buttons = b->numButtons;
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if (rc != BadAccess)
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memcpy(tb->buttons, b->down, sizeof(b->down));
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buf += sizeof(xButtonState);
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2006-11-26 11:13:41 -07:00
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}
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if (v != NULL) {
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tv = (xValuatorState *) buf;
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tv->class = ValuatorClass;
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tv->length = sizeof(xValuatorState) + v->numAxes * 4;
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tv->num_valuators = v->numAxes;
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tv->mode = valuator_get_mode(dev, 0);
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tv->mode |= (dev->proximity &&
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!dev->proximity->in_proximity) ? OutOfProximity : 0;
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buf += sizeof(xValuatorState);
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for (i = 0, values = v->axisVal; i < v->numAxes; i++) {
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if (rc != BadAccess)
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*((int *) buf) = *values;
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values++;
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if (client->swapped) {
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swapl((int *) buf);
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}
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buf += sizeof(int);
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}
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2006-11-26 11:13:41 -07:00
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}
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2013-06-07 11:28:45 -06:00
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rep = (xQueryDeviceStateReply) {
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.repType = X_Reply,
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.RepType = X_QueryDeviceState,
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.sequenceNumber = client->sequence,
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.length = bytes_to_int32(total_length),
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.num_classes = num_classes
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};
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WriteReplyToClient(client, sizeof(xQueryDeviceStateReply), &rep);
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if (total_length > 0)
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WriteToClient(client, total_length, savbuf);
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free(savbuf);
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2006-11-26 11:13:41 -07:00
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return Success;
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}
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/***********************************************************************
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*
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* This procedure writes the reply for the XQueryDeviceState 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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SRepXQueryDeviceState(ClientPtr client, int size, xQueryDeviceStateReply * rep)
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{
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2012-06-10 07:21:05 -06:00
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swaps(&rep->sequenceNumber);
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swapl(&rep->length);
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2013-06-07 11:28:45 -06:00
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WriteToClient(client, size, rep);
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2006-11-26 11:13:41 -07:00
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}
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