1 /*
2 * event handling stuff
3 */
4 /*
5
6 Copyright 1990, 1991, 1998 The Open Group
7
8 Permission to use, copy, modify, distribute, and sell this software and its
9 documentation for any purpose is hereby granted without fee, provided that
10 the above copyright notice appear in all copies and that both that
11 copyright notice and this permission notice appear in supporting
12 documentation.
13
14 The above copyright notice and this permission notice shall be included in
15 all copies or substantial portions of the Software.
16
17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23
24 Except as contained in this notice, the name of The Open Group shall not be
25 used in advertising or otherwise to promote the sale, use or other dealings
26 in this Software without prior written authorization from The Open Group.
27
28 * Copyright 1990, 1991 Network Computing Devices;
29 * Portions Copyright 1987 by Digital Equipment Corporation
30 *
31 * Permission to use, copy, modify, distribute, and sell this software and
32 * its documentation for any purpose is hereby granted without fee, provided
33 * that the above copyright notice appear in all copies and that both that
34 * copyright notice and this permission notice appear in supporting
35 * documentation, and that the names of Network Computing Devices, or Digital
36 * not be used in advertising or publicity pertaining to distribution
37 * of the software without specific, written prior permission.
38 *
39 * NETWORK COMPUTING DEVICES, AND DIGITAL DISCLAIM ALL WARRANTIES WITH
40 * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
41 * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES,
42 * OR DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
43 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
44 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
45 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
46 * THIS SOFTWARE.
47 */
48
49 #include "config.h"
50
51 #include <swaprep.h>
52
53 #include "clientstr.h"
54 #include <X11/fonts/FSproto.h>
55 #include "globals.h"
56 #include "fsevents.h"
57 #include "dispatch.h"
58 #include "difs.h"
59
60
61 static Mask lastEventMask = FontChangeNotifyMask;
62
63 #define AllEventMasks (lastEventMask | (lastEventMask - 1))
64
65 void
WriteErrorToClient(ClientPtr client,fsError * error)66 WriteErrorToClient(ClientPtr client, fsError *error)
67 {
68 if (client->swapped) {
69 fsError errorTo;
70
71 SErrorEvent(error, &errorTo);
72 (void) WriteToClient(client, SIZEOF(fsError), (char *) &errorTo);
73 } else {
74 (void) WriteToClient(client, SIZEOF(fsError),
75 (char *) error);
76 }
77 }
78
79 int
ProcSetEventMask(ClientPtr client)80 ProcSetEventMask(ClientPtr client)
81 {
82 REQUEST(fsSetEventMaskReq);
83 REQUEST_AT_LEAST_SIZE(fsSetEventMaskReq);
84
85 if (stuff->event_mask & ~AllEventMasks) {
86 SendErrToClient(client, FSBadEventMask, (pointer) &stuff->event_mask);
87 return FSBadEventMask;
88 }
89 client->eventmask = stuff->event_mask;
90 return client->noClientException;
91 }
92
93 int
ProcGetEventMask(ClientPtr client)94 ProcGetEventMask(ClientPtr client)
95 {
96 fsGetEventMaskReply rep = {
97 .type = FS_Reply,
98 .sequenceNumber = client->sequence,
99 .length = SIZEOF(fsGetEventMaskReply) >> 2,
100 .event_mask = client->eventmask
101 };
102
103 REQUEST(fsGetEventMaskReq);
104 REQUEST_AT_LEAST_SIZE(fsGetEventMaskReq);
105
106 WriteReplyToClient(client, SIZEOF(fsGetEventMaskReply), &rep);
107 return client->noClientException;
108 }
109
110 void
SendKeepAliveEvent(ClientPtr client)111 SendKeepAliveEvent(ClientPtr client)
112 {
113 fsKeepAliveEvent ev = {
114 .type = FS_Event,
115 .event_code = KeepAlive,
116 .sequenceNumber = client->sequence,
117 .length = SIZEOF(fsKeepAliveEvent) >> 2,
118 .timestamp = GetTimeInMillis()
119 };
120
121 #ifdef DEBUG
122 fprintf(stderr, "client #%d is getting a KeepAlive\n", client->index);
123 #endif
124
125 if (client->swapped) {
126 /* SErrorEvent requires two fsError pointers */
127 fsError evTo;
128
129 SErrorEvent((fsError *) & ev, (fsError *) &evTo);
130 (void) WriteToClient(client, SIZEOF(fsKeepAliveEvent), (char *) &evTo);
131 } else {
132 (void) WriteToClient(client, SIZEOF(fsKeepAliveEvent), (char *) &ev);
133 }
134 }
135