1 /************************************************************
2
3 Copyright 1989, 1998 The Open Group
4
5 Permission to use, copy, modify, distribute, and sell this software and its
6 documentation for any purpose is hereby granted without fee, provided that
7 the above copyright notice appear in all copies and that both that
8 copyright notice and this permission notice appear in supporting
9 documentation.
10
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21 Except as contained in this notice, the name of The Open Group shall not be
22 used in advertising or otherwise to promote the sale, use or other dealings
23 in this Software without prior written authorization from The Open Group.
24
25 Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
26
27 All Rights Reserved
28
29 Permission to use, copy, modify, and distribute this software and its
30 documentation for any purpose and without fee is hereby granted,
31 provided that the above copyright notice appear in all copies and that
32 both that copyright notice and this permission notice appear in
33 supporting documentation, and that the name of Hewlett-Packard not be
34 used in advertising or publicity pertaining to distribution of the
35 software without specific, written prior permission.
36
37 HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39 HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
43 SOFTWARE.
44
45 ********************************************************/
46
47 /***********************************************************************
48 *
49 * Function to return the dont-propagate-list for an extension device.
50 *
51 */
52
53 #ifdef HAVE_DIX_CONFIG_H
54 #include <dix-config.h>
55 #endif
56
57 #include "inputstr.h" /* DeviceIntPtr */
58 #include "windowstr.h" /* window structs */
59 #include <X11/extensions/XI.h>
60 #include <X11/extensions/XIproto.h>
61 #include "exglobals.h"
62 #include "swaprep.h"
63
64 #include "getprop.h"
65
66 extern XExtEventInfo EventInfo[];
67 extern int ExtEventIndex;
68
69 /***********************************************************************
70 *
71 * Handle a request from a client with a different byte order.
72 *
73 */
74
75 int _X_COLD
SProcXGetDeviceDontPropagateList(ClientPtr client)76 SProcXGetDeviceDontPropagateList(ClientPtr client)
77 {
78 REQUEST(xGetDeviceDontPropagateListReq);
79 swaps(&stuff->length);
80 REQUEST_SIZE_MATCH(xGetDeviceDontPropagateListReq);
81 swapl(&stuff->window);
82 return (ProcXGetDeviceDontPropagateList(client));
83 }
84
85 /***********************************************************************
86 *
87 * This procedure lists the input devices available to the server.
88 *
89 */
90
91 int
ProcXGetDeviceDontPropagateList(ClientPtr client)92 ProcXGetDeviceDontPropagateList(ClientPtr client)
93 {
94 CARD16 count = 0;
95 int i, rc;
96 XEventClass *buf = NULL, *tbuf;
97 WindowPtr pWin;
98 xGetDeviceDontPropagateListReply rep;
99 OtherInputMasks *others;
100
101 REQUEST(xGetDeviceDontPropagateListReq);
102 REQUEST_SIZE_MATCH(xGetDeviceDontPropagateListReq);
103
104 rep = (xGetDeviceDontPropagateListReply) {
105 .repType = X_Reply,
106 .RepType = X_GetDeviceDontPropagateList,
107 .sequenceNumber = client->sequence,
108 .length = 0,
109 .count = 0
110 };
111
112 rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
113 if (rc != Success)
114 return rc;
115
116 if ((others = wOtherInputMasks(pWin)) != 0) {
117 for (i = 0; i < EMASKSIZE; i++)
118 ClassFromMask(NULL, others->dontPropagateMask[i], i, &count, COUNT);
119 if (count) {
120 rep.count = count;
121 buf = xallocarray(rep.count, sizeof(XEventClass));
122 rep.length = bytes_to_int32(rep.count * sizeof(XEventClass));
123
124 tbuf = buf;
125 for (i = 0; i < EMASKSIZE; i++)
126 tbuf = ClassFromMask(tbuf, others->dontPropagateMask[i], i,
127 NULL, CREATE);
128 }
129 }
130
131 WriteReplyToClient(client, sizeof(xGetDeviceDontPropagateListReply), &rep);
132
133 if (count) {
134 client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
135 WriteSwappedDataToClient(client, count * sizeof(XEventClass), buf);
136 free(buf);
137 }
138 return Success;
139 }
140
141 /***********************************************************************
142 *
143 * This procedure gets a list of event classes from a mask word.
144 * A single mask may translate to more than one event class.
145 *
146 */
147
148 XEventClass
ClassFromMask(XEventClass * buf,Mask mask,int maskndx,CARD16 * count,int mode)149 * ClassFromMask(XEventClass * buf, Mask mask, int maskndx, CARD16 *count,
150 int mode)
151 {
152 int i, j;
153 int id = maskndx;
154 Mask tmask = 0x80000000;
155
156 for (i = 0; i < 32; i++, tmask >>= 1)
157 if (tmask & mask) {
158 for (j = 0; j < ExtEventIndex; j++)
159 if (EventInfo[j].mask == tmask) {
160 if (mode == COUNT)
161 (*count)++;
162 else
163 *buf++ = (id << 8) | EventInfo[j].type;
164 }
165 }
166 return buf;
167 }
168
169 /***********************************************************************
170 *
171 * This procedure writes the reply for the XGetDeviceDontPropagateList function,
172 * if the client and server have a different byte ordering.
173 *
174 */
175
176 void _X_COLD
SRepXGetDeviceDontPropagateList(ClientPtr client,int size,xGetDeviceDontPropagateListReply * rep)177 SRepXGetDeviceDontPropagateList(ClientPtr client, int size,
178 xGetDeviceDontPropagateListReply * rep)
179 {
180 swaps(&rep->sequenceNumber);
181 swapl(&rep->length);
182 swaps(&rep->count);
183 WriteToClient(client, size, rep);
184 }
185