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
26#if HAVE_CONFIG_H
27#include <config.h>
28#endif
29
30#include <stdint.h>
31#include <X11/Xlibint.h>
32#include <X11/extensions/XI2proto.h>
33#include <X11/extensions/XInput2.h>
34#include <X11/extensions/extutil.h>
35#include "XIint.h"
36
37Status
38XIQueryVersion(Display *dpy, int *major_inout, int *minor_inout)
39{
40    int rc = Success;
41
42    XExtDisplayInfo *info = XInput_find_display(dpy);
43
44    rc = _xiQueryVersion(dpy, major_inout, minor_inout, info);
45
46    SyncHandle();
47    return rc;
48}
49
50_X_HIDDEN Status
51_xiQueryVersion(Display * dpy, int *major, int *minor, XExtDisplayInfo *info)
52{
53    xXIQueryVersionReq *req;
54    xXIQueryVersionReply rep;
55
56    LockDisplay(dpy);
57
58    /* This could mean either a malloc problem, or supported
59        version < XInput_2_0 */
60    if (_XiCheckExtInit(dpy, XInput_2_0, info) == -1)
61    {
62        XExtensionVersion *ext;
63        XExtDisplayInfo *extinfo = XInput_find_display(dpy);
64
65        if (!extinfo || !extinfo->data) {
66            *major = 0;
67            *minor = 0;
68            return BadRequest;
69        }
70
71        ext = ((XInputData*)extinfo->data)->vers;
72
73        *major = ext->major_version;
74        *minor = ext->minor_version;
75	return BadRequest;
76    }
77
78    GetReq(XIQueryVersion, req);
79    req->reqType = info->codes->major_opcode;
80    req->ReqType = X_XIQueryVersion;
81    req->major_version = *major;
82    req->minor_version = *minor;
83
84    if (!_XReply(dpy, (xReply*)&rep, 0, xTrue)) {
85        UnlockDisplay(dpy);
86	return BadImplementation;
87    }
88
89    *major = rep.major_version;
90    *minor = rep.minor_version;
91
92    UnlockDisplay(dpy);
93    return Success;
94}
95