1/*
2 * Copyright © 2009 Red Hat, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 */
24
25#if HAVE_CONFIG_H
26#include <config.h>
27#endif
28
29#include <stdint.h>
30#include <X11/Xlibint.h>
31#include <X11/extensions/XI2proto.h>
32#include <X11/extensions/XInput2.h>
33#include <X11/extensions/extutil.h>
34#include "XIint.h"
35
36void
37XIBarrierReleasePointers(Display *dpy,
38                         XIBarrierReleasePointerInfo *barriers,
39                         int num_barriers)
40{
41    XExtDisplayInfo	        *info = XInput_find_display(dpy);
42    xXIBarrierReleasePointerReq *req;
43    int extra = 0;
44    int i;
45    xXIBarrierReleasePointerInfo *b;
46
47    if (!num_barriers)
48        return;
49
50    extra = (num_barriers * sizeof(xXIBarrierReleasePointerInfo));
51
52    LockDisplay (dpy);
53    GetReqExtra (XIBarrierReleasePointer, extra, req);
54    req->reqType = info->codes->major_opcode;
55    req->ReqType = X_XIBarrierReleasePointer;
56    req->num_barriers = num_barriers;
57
58    b = (xXIBarrierReleasePointerInfo *) &req[1];
59    for (i = 0; i < num_barriers; i++, b++) {
60        b->deviceid = barriers[i].deviceid;
61        b->eventid = barriers[i].eventid;
62        b->barrier = barriers[i].barrier;
63    }
64
65    UnlockDisplay (dpy);
66    SyncHandle ();
67}
68
69void
70XIBarrierReleasePointer(Display *dpy,
71                        int            deviceid,
72                        PointerBarrier barrier,
73                        BarrierEventID eventid)
74{
75    XIBarrierReleasePointerInfo info;
76    info.deviceid = deviceid;
77    info.barrier = barrier;
78    info.eventid = eventid;
79
80    XIBarrierReleasePointers(dpy, &info, 1);
81}
82