getkmap.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 *  Get the key mapping for an extension device.
50 *
51 */
52
53#define	 NEED_EVENTS	/* for inputstr.h    */
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#include "swaprep.h"
68
69#include "getkmap.h"
70
71/***********************************************************************
72 *
73 * This procedure gets the key mapping for an extension device,
74 * for clients on machines with a different byte ordering than the server.
75 *
76 */
77
78int
79SProcXGetDeviceKeyMapping(ClientPtr client)
80{
81    char n;
82
83    REQUEST(xGetDeviceKeyMappingReq);
84    swaps(&stuff->length, n);
85    return (ProcXGetDeviceKeyMapping(client));
86}
87
88/***********************************************************************
89 *
90 * Get the device key mapping.
91 *
92 */
93
94int
95ProcXGetDeviceKeyMapping(ClientPtr client)
96{
97    xGetDeviceKeyMappingReply rep;
98    DeviceIntPtr dev;
99    KeySymsPtr k;
100
101    REQUEST(xGetDeviceKeyMappingReq);
102    REQUEST_SIZE_MATCH(xGetDeviceKeyMappingReq);
103
104    dev = LookupDeviceIntRec(stuff->deviceid);
105    if (dev == NULL) {
106	SendErrorToClient(client, IReqCode, X_GetDeviceKeyMapping, 0,
107			  BadDevice);
108	return Success;
109    }
110
111    if (dev->key == NULL) {
112	SendErrorToClient(client, IReqCode, X_GetDeviceKeyMapping, 0, BadMatch);
113	return Success;
114    }
115    k = &dev->key->curKeySyms;
116
117    if ((stuff->firstKeyCode < k->minKeyCode) ||
118	(stuff->firstKeyCode > k->maxKeyCode)) {
119	client->errorValue = stuff->firstKeyCode;
120	SendErrorToClient(client, IReqCode, X_GetDeviceKeyMapping, 0, BadValue);
121	return Success;
122    }
123
124    if (stuff->firstKeyCode + stuff->count > k->maxKeyCode + 1) {
125	client->errorValue = stuff->count;
126	SendErrorToClient(client, IReqCode, X_GetDeviceKeyMapping, 0, BadValue);
127	return Success;
128    }
129
130    rep.repType = X_Reply;
131    rep.RepType = X_GetDeviceKeyMapping;
132    rep.sequenceNumber = client->sequence;
133    rep.keySymsPerKeyCode = k->mapWidth;
134    rep.length = (k->mapWidth * stuff->count);	/* KeySyms are 4 bytes */
135    WriteReplyToClient(client, sizeof(xGetDeviceKeyMappingReply), &rep);
136
137    client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write;
138    WriteSwappedDataToClient(client,
139			     k->mapWidth * stuff->count * sizeof(KeySym),
140			     &k->map[(stuff->firstKeyCode - k->minKeyCode) *
141				     k->mapWidth]);
142
143    return Success;
144}
145
146/***********************************************************************
147 *
148 * This procedure writes the reply for the XGetDeviceKeyMapping function,
149 * if the client and server have a different byte ordering.
150 *
151 */
152
153void
154SRepXGetDeviceKeyMapping(ClientPtr client, int size,
155			 xGetDeviceKeyMappingReply * rep)
156{
157    char n;
158
159    swaps(&rep->sequenceNumber, n);
160    swapl(&rep->length, n);
161    WriteToClient(client, size, (char *)rep);
162}
163