2 * Copyright © 2009 Red Hat, Inc.
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
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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:
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
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
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21 * DEALINGS IN THE SOFTWARE.
31 #include <X11/Xlibint.h>
32 #include <X11/extensions/XI2proto.h>
33 #include <X11/extensions/XInput2.h>
34 #include <X11/extensions/extutil.h>
38 XIQueryVersion(Display *dpy, int *major_inout, int *minor_inout)
42 XExtDisplayInfo *info = XInput_find_display(dpy);
45 rc = _xiQueryVersion(dpy, major_inout, minor_inout, info);
53 _xiQueryVersion(Display * dpy, int *major, int *minor, XExtDisplayInfo *info)
55 xXIQueryVersionReq *req;
56 xXIQueryVersionReply rep;
58 /* This could mean either a malloc problem, or supported
59 version < XInput_2_0 */
60 if (_XiCheckExtInit(dpy, XInput_2_0, info) == -1)
62 XExtensionVersion *ext;
63 XExtDisplayInfo *extinfo = XInput_find_display(dpy);
65 if (!extinfo || !extinfo->data) {
71 ext = ((XInputData*)extinfo->data)->vers;
73 *major = ext->major_version;
74 *minor = ext->minor_version;
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;
84 if (!_XReply(dpy, (xReply*)&rep, 0, xTrue)) {
85 return BadImplementation;
87 *major = rep.major_version;
88 *minor = rep.minor_version;