getbmap.c revision 05b261ec 
1/************************************************************
2
3Copyright 1989, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
26
27			All Rights Reserved
28
29Permission to use, copy, modify, and distribute this software and its
30documentation for any purpose and without fee is hereby granted,
31provided that the above copyright notice appear in all copies and that
32both that copyright notice and this permission notice appear in
33supporting documentation, and that the name of Hewlett-Packard not be
34used in advertising or publicity pertaining to distribution of the
35software without specific, written prior permission.
36
37HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
43SOFTWARE.
44
45********************************************************/
46
47/***********************************************************************
48 *
49 * Extension function to return the version of the extension.
50 *
51 */
52
53#define	 NEED_EVENTS
54#define	 NEED_REPLIES
55#ifdef HAVE_DIX_CONFIG_H
56#include <dix-config.h>
57#endif
58
59#include <X11/X.h>	/* for inputstr.h    */
60#include <X11/Xproto.h>	/* Request macro     */
61#include "inputstr.h"	/* DeviceIntPtr      */
62#include <X11/extensions/XI.h>
63#include <X11/extensions/XIproto.h>
64#include "extnsionst.h"
65#include "extinit.h"	/* LookupDeviceIntRec */
66#include "exglobals.h"
67
68#include "getbmap.h"
69
70/***********************************************************************
71 *
72 * This procedure gets the button mapping for the specified device.
73 *
74 */
75
76int
77SProcXGetDeviceButtonMapping(ClientPtr client)
78{
79    char n;
80
81    REQUEST(xGetDeviceButtonMappingReq);
82    swaps(&stuff->length, n);
83    return (ProcXGetDeviceButtonMapping(client));
84}
85
86/***********************************************************************
87 *
88 * This procedure gets the button mapping for the specified device.
89 *
90 */
91
92int
93ProcXGetDeviceButtonMapping(ClientPtr client)
94{
95    DeviceIntPtr dev;
96    xGetDeviceButtonMappingReply rep;
97    ButtonClassPtr b;
98
99    REQUEST(xGetDeviceButtonMappingReq);
100    REQUEST_SIZE_MATCH(xGetDeviceButtonMappingReq);
101
102    rep.repType = X_Reply;
103    rep.RepType = X_GetDeviceButtonMapping;
104    rep.nElts = 0;
105    rep.length = 0;
106    rep.sequenceNumber = client->sequence;
107
108    dev = LookupDeviceIntRec(stuff->deviceid);
109    if (dev == NULL) {
110	SendErrorToClient(client, IReqCode, X_GetDeviceButtonMapping, 0,
111			  BadDevice);
112	return Success;
113    }
114
115    b = dev->button;
116    if (b == NULL) {
117	SendErrorToClient(client, IReqCode, X_GetDeviceButtonMapping, 0,
118			  BadMatch);
119	return Success;
120    }
121    rep.nElts = b->numButtons;
122    rep.length = (rep.nElts + (4 - 1)) / 4;
123    WriteReplyToClient(client, sizeof(xGetDeviceButtonMappingReply), &rep);
124    (void)WriteToClient(client, rep.nElts, (char *)&b->map[1]);
125    return Success;
126}
127
128/***********************************************************************
129 *
130 * This procedure writes the reply for the XGetDeviceButtonMapping function,
131 * if the client and server have a different byte ordering.
132 *
133 */
134
135void
136SRepXGetDeviceButtonMapping(ClientPtr client, int size,
137			    xGetDeviceButtonMappingReply * rep)
138{
139    char n;
140
141    swaps(&rep->sequenceNumber, n);
142    swapl(&rep->length, n);
143    WriteToClient(client, size, (char *)rep);
144}
145