getmmap.c revision 4642e01f 
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 modifier 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 "inputstr.h"	/* DeviceIntPtr      */
60#include <X11/extensions/XI.h>
61#include <X11/extensions/XIproto.h>	/* Request macro     */
62#include "exglobals.h"
63
64#include "getmmap.h"
65
66/***********************************************************************
67 *
68 * This procedure gets the modifier mapping for an extension device,
69 * for clients on machines with a different byte ordering than the server.
70 *
71 */
72
73int
74SProcXGetDeviceModifierMapping(ClientPtr client)
75{
76    char n;
77
78    REQUEST(xGetDeviceModifierMappingReq);
79    swaps(&stuff->length, n);
80    return (ProcXGetDeviceModifierMapping(client));
81}
82
83/***********************************************************************
84 *
85 * Get the device Modifier mapping.
86 *
87 */
88
89int
90ProcXGetDeviceModifierMapping(ClientPtr client)
91{
92    CARD8 maxkeys;
93    DeviceIntPtr dev;
94    xGetDeviceModifierMappingReply rep;
95    KeyClassPtr kp;
96    int rc;
97
98    REQUEST(xGetDeviceModifierMappingReq);
99    REQUEST_SIZE_MATCH(xGetDeviceModifierMappingReq);
100
101    rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess);
102    if (rc != Success)
103	return rc;
104
105    kp = dev->key;
106    if (kp == NULL)
107	return BadMatch;
108
109    maxkeys = kp->maxKeysPerModifier;
110
111    rep.repType = X_Reply;
112    rep.RepType = X_GetDeviceModifierMapping;
113    rep.numKeyPerModifier = maxkeys;
114    rep.sequenceNumber = client->sequence;
115    /* length counts 4 byte quantities - there are 8 modifiers 1 byte big */
116    rep.length = 2 * maxkeys;
117
118    WriteReplyToClient(client, sizeof(xGetDeviceModifierMappingReply), &rep);
119
120    /* Reply with the (modified by DDX) map that SetModifierMapping passed in */
121    WriteToClient(client, 8 * maxkeys, (char *)kp->modifierKeyMap);
122    return Success;
123}
124
125/***********************************************************************
126 *
127 * This procedure writes the reply for the XGetDeviceModifierMapping function,
128 * if the client and server have a different byte ordering.
129 *
130 */
131
132void
133SRepXGetDeviceModifierMapping(ClientPtr client, int size,
134			      xGetDeviceModifierMappingReply * rep)
135{
136    char n;
137
138    swaps(&rep->sequenceNumber, n);
139    swapl(&rep->length, n);
140    WriteToClient(client, size, (char *)rep);
141}
142