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a09e091a JB |
1 | /* |
2 | * Copyright © 2009 Red Hat, Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Author: Peter Hutterer | |
24 | */ | |
25 | ||
26 | /*********************************************************************** | |
27 | * | |
28 | * Request to allow some device events. | |
29 | * | |
30 | */ | |
31 | ||
32 | #ifdef HAVE_DIX_CONFIG_H | |
33 | #include <dix-config.h> | |
34 | #endif | |
35 | ||
36 | #include "inputstr.h" /* DeviceIntPtr */ | |
37 | #include "windowstr.h" /* window structure */ | |
38 | #include "mi.h" | |
39 | #include "eventstr.h" | |
40 | #include <X11/extensions/XI2.h> | |
41 | #include <X11/extensions/XI2proto.h> | |
42 | ||
43 | #include "exglobals.h" /* BadDevice */ | |
44 | #include "exevents.h" | |
45 | #include "xiallowev.h" | |
46 | ||
47 | int | |
48 | SProcXIAllowEvents(ClientPtr client) | |
49 | { | |
50 | REQUEST(xXIAllowEventsReq); | |
51 | ||
52 | swaps(&stuff->length); | |
53 | swaps(&stuff->deviceid); | |
54 | swapl(&stuff->time); | |
55 | if (stuff->length > 3) { | |
56 | xXI2_2AllowEventsReq *req_xi22 = (xXI2_2AllowEventsReq *) stuff; | |
57 | ||
58 | swapl(&req_xi22->touchid); | |
59 | swapl(&req_xi22->grab_window); | |
60 | } | |
61 | ||
62 | return ProcXIAllowEvents(client); | |
63 | } | |
64 | ||
65 | int | |
66 | ProcXIAllowEvents(ClientPtr client) | |
67 | { | |
68 | TimeStamp time; | |
69 | DeviceIntPtr dev; | |
70 | int ret = Success; | |
71 | XIClientPtr xi_client; | |
72 | Bool have_xi22 = FALSE; | |
73 | ||
74 | REQUEST(xXI2_2AllowEventsReq); | |
75 | ||
76 | xi_client = dixLookupPrivate(&client->devPrivates, XIClientPrivateKey); | |
77 | ||
78 | if (version_compare(xi_client->major_version, | |
79 | xi_client->minor_version, 2, 2) >= 0) { | |
80 | REQUEST_AT_LEAST_SIZE(xXI2_2AllowEventsReq); | |
81 | have_xi22 = TRUE; | |
82 | } | |
83 | else { | |
84 | REQUEST_AT_LEAST_SIZE(xXIAllowEventsReq); | |
85 | } | |
86 | ||
87 | ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess); | |
88 | if (ret != Success) | |
89 | return ret; | |
90 | ||
91 | time = ClientTimeToServerTime(stuff->time); | |
92 | ||
93 | switch (stuff->mode) { | |
94 | case XIReplayDevice: | |
95 | AllowSome(client, time, dev, NOT_GRABBED); | |
96 | break; | |
97 | case XISyncDevice: | |
98 | AllowSome(client, time, dev, FREEZE_NEXT_EVENT); | |
99 | break; | |
100 | case XIAsyncDevice: | |
101 | AllowSome(client, time, dev, THAWED); | |
102 | break; | |
103 | case XIAsyncPairedDevice: | |
104 | if (IsMaster(dev)) | |
105 | AllowSome(client, time, dev, THAW_OTHERS); | |
106 | break; | |
107 | case XISyncPair: | |
108 | if (IsMaster(dev)) | |
109 | AllowSome(client, time, dev, FREEZE_BOTH_NEXT_EVENT); | |
110 | break; | |
111 | case XIAsyncPair: | |
112 | if (IsMaster(dev)) | |
113 | AllowSome(client, time, dev, THAWED_BOTH); | |
114 | break; | |
115 | case XIRejectTouch: | |
116 | case XIAcceptTouch: | |
117 | { | |
118 | int rc; | |
119 | WindowPtr win; | |
120 | ||
121 | if (!have_xi22) | |
122 | return BadValue; | |
123 | ||
124 | rc = dixLookupWindow(&win, stuff->grab_window, client, DixReadAccess); | |
125 | if (rc != Success) | |
126 | return rc; | |
127 | ||
128 | ret = TouchAcceptReject(client, dev, stuff->mode, stuff->touchid, | |
129 | stuff->grab_window, &client->errorValue); | |
130 | } | |
131 | break; | |
132 | default: | |
133 | client->errorValue = stuff->mode; | |
134 | ret = BadValue; | |
135 | } | |
136 | ||
137 | return ret; | |
138 | } |