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#ifdef HAVE_CONFIG_H
25#include <config.h>
26#endif
27
28#include <stdint.h>
29#include <X11/Xlibint.h>
30#include <X11/extensions/XI2proto.h>
31#include <X11/extensions/XInput2.h>
32#include <X11/extensions/extutil.h>
33#include "XIint.h"
34
35Status
36XIGetFocus(Display *dpy, int deviceid, Window *focus_return)
37{
38    xXIGetFocusReq   *req;
39    xXIGetFocusReply reply;
40
41    XExtDisplayInfo *extinfo = XInput_find_display(dpy);
42
43    LockDisplay(dpy);
44    if (_XiCheckExtInit(dpy, XInput_2_0, extinfo) == -1)
45	return (NoSuchExtension);
46
47    GetReq(XIGetFocus, req);
48    req->reqType  = extinfo->codes->major_opcode;
49    req->ReqType  = X_XIGetFocus;
50    req->deviceid = deviceid;
51
52    if (!_XReply(dpy, (xReply*) &reply, 0, xFalse)) {
53        UnlockDisplay(dpy);
54        SyncHandle();
55        return False;
56    }
57
58    *focus_return = reply.focus;
59
60    UnlockDisplay(dpy);
61    SyncHandle();
62    return Success;
63
64}
65
66