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a09e091a JB |
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 | * Request to send an extension event. | |
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 */ | |
59 | #include "extnsionst.h" /* EventSwapPtr */ | |
60 | #include <X11/extensions/XI.h> | |
61 | #include <X11/extensions/XIproto.h> | |
62 | #include "exevents.h" | |
63 | #include "exglobals.h" | |
64 | ||
65 | #include "grabdev.h" | |
66 | #include "sendexev.h" | |
67 | ||
68 | extern int lastEvent; /* Defined in extension.c */ | |
69 | ||
70 | /*********************************************************************** | |
71 | * | |
72 | * Handle requests from clients with a different byte order than us. | |
73 | * | |
74 | */ | |
75 | ||
76 | int | |
77 | SProcXSendExtensionEvent(ClientPtr client) | |
78 | { | |
79 | CARD32 *p; | |
80 | int i; | |
81 | xEvent eventT; | |
82 | xEvent *eventP; | |
83 | EventSwapPtr proc; | |
84 | ||
85 | REQUEST(xSendExtensionEventReq); | |
86 | swaps(&stuff->length); | |
87 | REQUEST_AT_LEAST_SIZE(xSendExtensionEventReq); | |
88 | swapl(&stuff->destination); | |
89 | swaps(&stuff->count); | |
90 | ||
91 | if (stuff->length != | |
92 | bytes_to_int32(sizeof(xSendExtensionEventReq)) + stuff->count + | |
93 | bytes_to_int32(stuff->num_events * sizeof(xEvent))) | |
94 | return BadLength; | |
95 | ||
96 | eventP = (xEvent *) &stuff[1]; | |
97 | for (i = 0; i < stuff->num_events; i++, eventP++) { | |
98 | proc = EventSwapVector[eventP->u.u.type & 0177]; | |
99 | if (proc == NotImplemented) /* no swapping proc; invalid event type? */ | |
100 | return BadValue; | |
101 | (*proc) (eventP, &eventT); | |
102 | *eventP = eventT; | |
103 | } | |
104 | ||
105 | p = (CARD32 *) (((xEvent *) &stuff[1]) + stuff->num_events); | |
106 | SwapLongs(p, stuff->count); | |
107 | return (ProcXSendExtensionEvent(client)); | |
108 | } | |
109 | ||
110 | /*********************************************************************** | |
111 | * | |
112 | * Send an event to some client, as if it had come from an extension input | |
113 | * device. | |
114 | * | |
115 | */ | |
116 | ||
117 | int | |
118 | ProcXSendExtensionEvent(ClientPtr client) | |
119 | { | |
120 | int ret; | |
121 | DeviceIntPtr dev; | |
122 | xEvent *first; | |
123 | XEventClass *list; | |
124 | struct tmask tmp[EMASKSIZE]; | |
125 | ||
126 | REQUEST(xSendExtensionEventReq); | |
127 | REQUEST_AT_LEAST_SIZE(xSendExtensionEventReq); | |
128 | ||
129 | if (stuff->length != | |
130 | bytes_to_int32(sizeof(xSendExtensionEventReq)) + stuff->count + | |
131 | (stuff->num_events * bytes_to_int32(sizeof(xEvent)))) | |
132 | return BadLength; | |
133 | ||
134 | ret = dixLookupDevice(&dev, stuff->deviceid, client, DixWriteAccess); | |
135 | if (ret != Success) | |
136 | return ret; | |
137 | ||
138 | /* The client's event type must be one defined by an extension. */ | |
139 | ||
140 | first = ((xEvent *) &stuff[1]); | |
141 | if (!((EXTENSION_EVENT_BASE <= first->u.u.type) && | |
142 | (first->u.u.type < lastEvent))) { | |
143 | client->errorValue = first->u.u.type; | |
144 | return BadValue; | |
145 | } | |
146 | ||
147 | list = (XEventClass *) (first + stuff->num_events); | |
148 | if ((ret = CreateMaskFromList(client, list, stuff->count, tmp, dev, | |
149 | X_SendExtensionEvent)) != Success) | |
150 | return ret; | |
151 | ||
152 | ret = (SendEvent(client, dev, stuff->destination, | |
153 | stuff->propagate, (xEvent *) &stuff[1], | |
154 | tmp[stuff->deviceid].mask, stuff->num_events)); | |
155 | ||
156 | return ret; | |
157 | } |