getprop.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 * Function to return the dont-propagate-list for an extension device.
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 "inputstr.h"	/* DeviceIntPtr      */
60#include "windowstr.h"	/* window structs    */
61#include <X11/extensions/XI.h>
62#include <X11/extensions/XIproto.h>
63#include "exglobals.h"
64#include "swaprep.h"
65
66#include "getprop.h"
67
68extern XExtEventInfo EventInfo[];
69extern int ExtEventIndex;
70
71/***********************************************************************
72 *
73 * Handle a request from a client with a different byte order.
74 *
75 */
76
77int
78SProcXGetDeviceDontPropagateList(ClientPtr client)
79{
80    char n;
81
82    REQUEST(xGetDeviceDontPropagateListReq);
83    swaps(&stuff->length, n);
84    REQUEST_SIZE_MATCH(xGetDeviceDontPropagateListReq);
85    swapl(&stuff->window, n);
86    return (ProcXGetDeviceDontPropagateList(client));
87}
88
89/***********************************************************************
90 *
91 * This procedure lists the input devices available to the server.
92 *
93 */
94
95int
96ProcXGetDeviceDontPropagateList(ClientPtr client)
97{
98    CARD16 count = 0;
99    int i, rc;
100    XEventClass *buf = NULL, *tbuf;
101    WindowPtr pWin;
102    xGetDeviceDontPropagateListReply rep;
103    OtherInputMasks *others;
104
105    REQUEST(xGetDeviceDontPropagateListReq);
106    REQUEST_SIZE_MATCH(xGetDeviceDontPropagateListReq);
107
108    rep.repType = X_Reply;
109    rep.RepType = X_GetDeviceDontPropagateList;
110    rep.sequenceNumber = client->sequence;
111    rep.length = 0;
112    rep.count = 0;
113
114    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
115    if (rc != Success)
116	return rc;
117
118    if ((others = wOtherInputMasks(pWin)) != 0) {
119	for (i = 0; i < EMASKSIZE; i++)
120	    tbuf = ClassFromMask(NULL, others->dontPropagateMask[i], i,
121				 &count, COUNT);
122	if (count) {
123	    rep.count = count;
124	    buf = (XEventClass *) xalloc(rep.count * sizeof(XEventClass));
125	    rep.length = (rep.count * sizeof(XEventClass) + 3) >> 2;
126
127	    tbuf = buf;
128	    for (i = 0; i < EMASKSIZE; i++)
129		tbuf = ClassFromMask(tbuf, others->dontPropagateMask[i], i,
130				     NULL, CREATE);
131	}
132    }
133
134    WriteReplyToClient(client, sizeof(xGetDeviceDontPropagateListReply), &rep);
135
136    if (count) {
137	client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
138	WriteSwappedDataToClient(client, count * sizeof(XEventClass), buf);
139	xfree(buf);
140    }
141    return Success;
142}
143
144/***********************************************************************
145 *
146 * This procedure gets a list of event classes from a mask word.
147 * A single mask may translate to more than one event class.
148 *
149 */
150
151XEventClass
152    * ClassFromMask(XEventClass * buf, Mask mask, int maskndx, CARD16 * count,
153		    int mode)
154{
155    int i, j;
156    int id = maskndx;
157    Mask tmask = 0x80000000;
158
159    for (i = 0; i < 32; i++, tmask >>= 1)
160	if (tmask & mask) {
161	    for (j = 0; j < ExtEventIndex; j++)
162		if (EventInfo[j].mask == tmask) {
163		    if (mode == COUNT)
164			(*count)++;
165		    else
166			*buf++ = (id << 8) | EventInfo[j].type;
167		}
168	}
169    return (buf);
170}
171
172/***********************************************************************
173 *
174 * This procedure writes the reply for the XGetDeviceDontPropagateList function,
175 * if the client and server have a different byte ordering.
176 *
177 */
178
179void
180SRepXGetDeviceDontPropagateList(ClientPtr client, int size,
181				xGetDeviceDontPropagateListReply * rep)
182{
183    char n;
184
185    swaps(&rep->sequenceNumber, n);
186    swapl(&rep->length, n);
187    swaps(&rep->count, n);
188    WriteToClient(client, size, (char *)rep);
189}
190