getmmap.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 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 <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>	/* Request macro     */
64#include "extnsionst.h"
65#include "extinit.h"	/* LookupDeviceIntRec */
66#include "exglobals.h"
67
68#include "getmmap.h"
69
70/***********************************************************************
71 *
72 * This procedure gets the modifier mapping for an extension device,
73 * for clients on machines with a different byte ordering than the server.
74 *
75 */
76
77int
78SProcXGetDeviceModifierMapping(ClientPtr client)
79{
80    char n;
81
82    REQUEST(xGetDeviceModifierMappingReq);
83    swaps(&stuff->length, n);
84    return (ProcXGetDeviceModifierMapping(client));
85}
86
87/***********************************************************************
88 *
89 * Get the device Modifier mapping.
90 *
91 */
92
93int
94ProcXGetDeviceModifierMapping(ClientPtr client)
95{
96    CARD8 maxkeys;
97    DeviceIntPtr dev;
98    xGetDeviceModifierMappingReply rep;
99    KeyClassPtr kp;
100
101    REQUEST(xGetDeviceModifierMappingReq);
102    REQUEST_SIZE_MATCH(xGetDeviceModifierMappingReq);
103
104    dev = LookupDeviceIntRec(stuff->deviceid);
105    if (dev == NULL) {
106	SendErrorToClient(client, IReqCode, X_GetDeviceModifierMapping, 0,
107			  BadDevice);
108	return Success;
109    }
110
111    kp = dev->key;
112    if (kp == NULL) {
113	SendErrorToClient(client, IReqCode, X_GetDeviceModifierMapping, 0,
114			  BadMatch);
115	return Success;
116    }
117    maxkeys = kp->maxKeysPerModifier;
118
119    rep.repType = X_Reply;
120    rep.RepType = X_GetDeviceModifierMapping;
121    rep.numKeyPerModifier = maxkeys;
122    rep.sequenceNumber = client->sequence;
123    /* length counts 4 byte quantities - there are 8 modifiers 1 byte big */
124    rep.length = 2 * maxkeys;
125
126    WriteReplyToClient(client, sizeof(xGetDeviceModifierMappingReply), &rep);
127
128    /* Reply with the (modified by DDX) map that SetModifierMapping passed in */
129    WriteToClient(client, 8 * maxkeys, (char *)kp->modifierKeyMap);
130    return Success;
131}
132
133/***********************************************************************
134 *
135 * This procedure writes the reply for the XGetDeviceModifierMapping function,
136 * if the client and server have a different byte ordering.
137 *
138 */
139
140void
141SRepXGetDeviceModifierMapping(ClientPtr client, int size,
142			      xGetDeviceModifierMappingReply * rep)
143{
144    char n;
145
146    swaps(&rep->sequenceNumber, n);
147    swapl(&rep->length, n);
148    WriteToClient(client, size, (char *)rep);
149}
150