getprop.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 * 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 <X11/X.h>	/* for inputstr.h    */
60#include <X11/Xproto.h>	/* Request macro     */
61#include "inputstr.h"	/* DeviceIntPtr      */
62#include "windowstr.h"	/* window structs    */
63#include <X11/extensions/XI.h>
64#include <X11/extensions/XIproto.h>
65#include "extnsionst.h"
66#include "extinit.h"	/* LookupDeviceIntRec */
67#include "exglobals.h"
68#include "swaprep.h"
69
70#include "getprop.h"
71
72extern XExtEventInfo EventInfo[];
73extern int ExtEventIndex;
74
75/***********************************************************************
76 *
77 * Handle a request from a client with a different byte order.
78 *
79 */
80
81int
82SProcXGetDeviceDontPropagateList(ClientPtr client)
83{
84    char n;
85
86    REQUEST(xGetDeviceDontPropagateListReq);
87    swaps(&stuff->length, n);
88    REQUEST_SIZE_MATCH(xGetDeviceDontPropagateListReq);
89    swapl(&stuff->window, n);
90    return (ProcXGetDeviceDontPropagateList(client));
91}
92
93/***********************************************************************
94 *
95 * This procedure lists the input devices available to the server.
96 *
97 */
98
99int
100ProcXGetDeviceDontPropagateList(ClientPtr client)
101{
102    CARD16 count = 0;
103    int i, rc;
104    XEventClass *buf = NULL, *tbuf;
105    WindowPtr pWin;
106    xGetDeviceDontPropagateListReply rep;
107    OtherInputMasks *others;
108
109    REQUEST(xGetDeviceDontPropagateListReq);
110    REQUEST_SIZE_MATCH(xGetDeviceDontPropagateListReq);
111
112    rep.repType = X_Reply;
113    rep.RepType = X_GetDeviceDontPropagateList;
114    rep.sequenceNumber = client->sequence;
115    rep.length = 0;
116    rep.count = 0;
117
118    rc = dixLookupWindow(&pWin, stuff->window, client, DixUnknownAccess);
119    if (rc != Success) {
120	SendErrorToClient(client, IReqCode, X_GetDeviceDontPropagateList, 0,
121			  rc);
122	return Success;
123    }
124
125    if ((others = wOtherInputMasks(pWin)) != 0) {
126	for (i = 0; i < EMASKSIZE; i++)
127	    tbuf = ClassFromMask(NULL, others->dontPropagateMask[i], i,
128				 &count, COUNT);
129	if (count) {
130	    rep.count = count;
131	    buf = (XEventClass *) xalloc(rep.count * sizeof(XEventClass));
132	    rep.length = (rep.count * sizeof(XEventClass) + 3) >> 2;
133
134	    tbuf = buf;
135	    for (i = 0; i < EMASKSIZE; i++)
136		tbuf = ClassFromMask(tbuf, others->dontPropagateMask[i], i,
137				     NULL, CREATE);
138	}
139    }
140
141    WriteReplyToClient(client, sizeof(xGetDeviceDontPropagateListReply), &rep);
142
143    if (count) {
144	client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
145	WriteSwappedDataToClient(client, count * sizeof(XEventClass), buf);
146	xfree(buf);
147    }
148    return Success;
149}
150
151/***********************************************************************
152 *
153 * This procedure gets a list of event classes from a mask word.
154 * A single mask may translate to more than one event class.
155 *
156 */
157
158XEventClass
159    * ClassFromMask(XEventClass * buf, Mask mask, int maskndx, CARD16 * count,
160		    int mode)
161{
162    int i, j;
163    int id = maskndx;
164    Mask tmask = 0x80000000;
165
166    for (i = 0; i < 32; i++, tmask >>= 1)
167	if (tmask & mask) {
168	    for (j = 0; j < ExtEventIndex; j++)
169		if (EventInfo[j].mask == tmask) {
170		    if (mode == COUNT)
171			(*count)++;
172		    else
173			*buf++ = (id << 8) | EventInfo[j].type;
174		}
175	}
176    return (buf);
177}
178
179/***********************************************************************
180 *
181 * This procedure writes the reply for the XGetDeviceDontPropagateList function,
182 * if the client and server have a different byte ordering.
183 *
184 */
185
186void
187SRepXGetDeviceDontPropagateList(ClientPtr client, int size,
188				xGetDeviceDontPropagateListReply * rep)
189{
190    char n;
191
192    swaps(&rep->sequenceNumber, n);
193    swapl(&rep->length, n);
194    swaps(&rep->count, n);
195    WriteToClient(client, size, (char *)rep);
196}
197