129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/*
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* Copyright 2008 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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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
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Author: Peter Hutterer
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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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#include "dixstruct.h"
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#include "windowstr.h"
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#include "exglobals.h"
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#include "exevents.h"
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#include <X11/extensions/XI2proto.h>
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#include "xiselectev.h"
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int
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SProcXISelectEvent(ClientPtr client)
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{
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char n;
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int i;
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xXIDeviceEventMask* evmask;
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uint16_t *evtype;
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REQUEST(xXISelectEventsReq);
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swaps(&stuff->length, n);
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REQUEST_SIZE_MATCH(xXISelectEventsReq);
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swapl(&stuff->window, n);
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swaps(&stuff->num_masks, n);
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evmask = (xXIDeviceEventMask*)&stuff[1];
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for (i = 0; i < stuff->num_masks; i++)
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{
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swaps(&evmask->deviceid, n);
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swaps(&evmask->mask_len, n);
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evmask = (xXIDeviceEventMask*)(((char*)evtype) + evmask->mask_len * 4);
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}
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return (ProcXISelectEvent(client));
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}
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int
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ProcXISelectEvent(ClientPtr client)
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{
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int rc, num_masks, i;
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WindowPtr win;
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DeviceIntPtr dev;
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DeviceIntRec dummy;
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xXIDeviceEventMask *evmask;
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int *types = NULL;
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REQUEST(xXISelectEventsReq);
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REQUEST_AT_LEAST_SIZE(xXISelectEventsReq);
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rc = dixLookupWindow(&win, stuff->window, client, DixReceiveAccess);
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if (rc != Success)
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return rc;
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/* check request validity */
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evmask = (xXIDeviceEventMask*)&stuff[1];
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num_masks = stuff->num_masks;
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while(num_masks--)
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{
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if (evmask->deviceid != AllDevices && evmask->deviceid != AllMasterDevices)
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rc = dixLookupDevice(&dev, evmask->deviceid, client, DixReadAccess);
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else {
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/* XXX: XACE here? */
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}
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if (rc != Success)
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return rc;
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if ((evmask->mask_len * 4) > XI_LASTEVENT)
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{
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unsigned char *bits = (unsigned char*)&evmask[1];
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for (i = XI_LASTEVENT; i < evmask->mask_len * 4; i++)
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{
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if (BitIsOn(bits, i))
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return BadValue;
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}
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}
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evmask = (xXIDeviceEventMask*)(((unsigned char*)evmask) + evmask->mask_len * 4);
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}
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/* Set masks on window */
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evmask = (xXIDeviceEventMask*)&stuff[1];
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num_masks = stuff->num_masks;
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while(num_masks--)
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{
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if (evmask->deviceid == AllDevices ||
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evmask->deviceid == AllMasterDevices)
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{
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dummy.id = evmask->deviceid;
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dev = &dummy;
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} else
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dixLookupDevice(&dev, evmask->deviceid, client, DixReadAccess);
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XISetEventMask(dev, win, client, evmask->mask_len * 4, (unsigned char*)&evmask[1]);
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evmask = (xXIDeviceEventMask*)(((unsigned char*)evmask) + evmask->mask_len * 4);
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}
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RecalculateDeliverableEvents(win);
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xfree(types);
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return Success;
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}
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