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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}