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/*
* Copyright 2008 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Author: Peter Hutterer
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "dixstruct.h"
#include "windowstr.h"
#include "exglobals.h"
#include "exevents.h"
#include <X11/extensions/XI2proto.h>
#include "xiselectev.h"
int
SProcXISelectEvent(ClientPtr client)
{
char n;
int i;
xXIDeviceEventMask* evmask;
REQUEST(xXISelectEventsReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xXISelectEventsReq);
swapl(&stuff->window, n);
swaps(&stuff->num_masks, n);
evmask = (xXIDeviceEventMask*)&stuff[1];
for (i = 0; i < stuff->num_masks; i++)
{
swaps(&evmask->deviceid, n);
swaps(&evmask->mask_len, n);
evmask = (xXIDeviceEventMask*)(((char*)evmask) + evmask->mask_len * 4);
}
return (ProcXISelectEvent(client));
}
int
ProcXISelectEvent(ClientPtr client)
{
int rc, num_masks, i;
WindowPtr win;
DeviceIntPtr dev;
DeviceIntRec dummy;
xXIDeviceEventMask *evmask;
int *types = NULL;
REQUEST(xXISelectEventsReq);
REQUEST_AT_LEAST_SIZE(xXISelectEventsReq);
rc = dixLookupWindow(&win, stuff->window, client, DixReceiveAccess);
if (rc != Success)
return rc;
/* check request validity */
evmask = (xXIDeviceEventMask*)&stuff[1];
num_masks = stuff->num_masks;
while(num_masks--)
{
if (evmask->deviceid != AllDevices && evmask->deviceid != AllMasterDevices)
rc = dixLookupDevice(&dev, evmask->deviceid, client, DixReadAccess);
else {
/* XXX: XACE here? */
}
if (rc != Success)
return rc;
if ((evmask->mask_len * 4) > XI_LASTEVENT)
{
unsigned char *bits = (unsigned char*)&evmask[1];
for (i = XI_LASTEVENT; i < evmask->mask_len * 4; i++)
{
if (BitIsOn(bits, i))
return BadValue;
}
}
evmask = (xXIDeviceEventMask*)(((unsigned char*)evmask) + evmask->mask_len * 4);
}
/* Set masks on window */
evmask = (xXIDeviceEventMask*)&stuff[1];
num_masks = stuff->num_masks;
while(num_masks--)
{
if (evmask->deviceid == AllDevices ||
evmask->deviceid == AllMasterDevices)
{
dummy.id = evmask->deviceid;
dev = &dummy;
} else
dixLookupDevice(&dev, evmask->deviceid, client, DixReadAccess);
XISetEventMask(dev, win, client, evmask->mask_len * 4, (unsigned char*)&evmask[1]);
evmask = (xXIDeviceEventMask*)(((unsigned char*)evmask) + evmask->mask_len * 4);
}
RecalculateDeliverableEvents(win);
xfree(types);
return Success;
}
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