1 /*
2 * Copyright 2007-2008 Peter Hutterer
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, University of South Australia, NICTA
24 */
25
26 #ifdef HAVE_DIX_CONFIG_H
27 #include <dix-config.h>
28 #endif
29
30 #include <X11/X.h> /* for inputstr.h */
31 #include <X11/Xproto.h> /* Request macro */
32 #include "inputstr.h" /* DeviceIntPtr */
33 #include "windowstr.h" /* window structure */
34 #include "scrnintstr.h" /* screen structure */
35 #include <X11/extensions/XI.h>
36 #include <X11/extensions/XI2proto.h>
37 #include "extnsionst.h"
38 #include "extinit.h" /* LookupDeviceIntRec */
39 #include "exevents.h"
40 #include "exglobals.h"
41
42 #include "xigetclientpointer.h"
43
44 /***********************************************************************
45 * This procedure allows a client to query another client's client pointer
46 * setting.
47 */
48
49 int _X_COLD
SProcXIGetClientPointer(ClientPtr client)50 SProcXIGetClientPointer(ClientPtr client)
51 {
52 REQUEST(xXIGetClientPointerReq);
53 REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
54
55 swaps(&stuff->length);
56 swapl(&stuff->win);
57 return ProcXIGetClientPointer(client);
58 }
59
60 int
ProcXIGetClientPointer(ClientPtr client)61 ProcXIGetClientPointer(ClientPtr client)
62 {
63 int rc;
64 ClientPtr winclient;
65 xXIGetClientPointerReply rep;
66
67 REQUEST(xXIGetClientPointerReq);
68 REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
69
70 if (stuff->win != None) {
71 rc = dixLookupClient(&winclient, stuff->win, client, DixGetAttrAccess);
72
73 if (rc != Success)
74 return BadWindow;
75 }
76 else
77 winclient = client;
78
79 rep = (xXIGetClientPointerReply) {
80 .repType = X_Reply,
81 .RepType = X_XIGetClientPointer,
82 .sequenceNumber = client->sequence,
83 .length = 0,
84 .set = (winclient->clientPtr != NULL),
85 .deviceid = (winclient->clientPtr) ? winclient->clientPtr->id : 0
86 };
87
88 WriteReplyToClient(client, sizeof(xXIGetClientPointerReply), &rep);
89 return Success;
90 }
91
92 /***********************************************************************
93 *
94 * This procedure writes the reply for the XGetClientPointer function,
95 * if the client and server have a different byte ordering.
96 *
97 */
98
99 void _X_COLD
SRepXIGetClientPointer(ClientPtr client,int size,xXIGetClientPointerReply * rep)100 SRepXIGetClientPointer(ClientPtr client, int size,
101 xXIGetClientPointerReply * rep)
102 {
103 swaps(&rep->sequenceNumber);
104 swapl(&rep->length);
105 swaps(&rep->deviceid);
106 WriteToClient(client, size, rep);
107 }
108