Imported Upstream version 1.15.1
[deb_xorg-server.git] / Xi / xisetclientpointer.c
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 /***********************************************************************
27 *
28 * Request to set the client pointer for the owner of the given window.
29 * All subsequent calls that are ambiguous will choose the client pointer as
30 * default value.
31 */
32
33 #ifdef HAVE_DIX_CONFIG_H
34 #include <dix-config.h>
35 #endif
36
37 #include <X11/X.h> /* for inputstr.h */
38 #include <X11/Xproto.h> /* Request macro */
39 #include "inputstr.h" /* DeviceIntPtr */
40 #include "windowstr.h" /* window structure */
41 #include "scrnintstr.h" /* screen structure */
42 #include <X11/extensions/XI.h>
43 #include <X11/extensions/XI2proto.h>
44 #include "extnsionst.h"
45 #include "exevents.h"
46 #include "exglobals.h"
47
48 #include "xisetclientpointer.h"
49
50 int
51 SProcXISetClientPointer(ClientPtr client)
52 {
53 REQUEST(xXISetClientPointerReq);
54 swaps(&stuff->length);
55 swapl(&stuff->win);
56 swaps(&stuff->deviceid);
57 REQUEST_SIZE_MATCH(xXISetClientPointerReq);
58 return (ProcXISetClientPointer(client));
59 }
60
61 int
62 ProcXISetClientPointer(ClientPtr client)
63 {
64 DeviceIntPtr pDev;
65 ClientPtr targetClient;
66 int rc;
67
68 REQUEST(xXISetClientPointerReq);
69 REQUEST_SIZE_MATCH(xXISetClientPointerReq);
70
71 rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixManageAccess);
72 if (rc != Success) {
73 client->errorValue = stuff->deviceid;
74 return rc;
75 }
76
77 if (!IsMaster(pDev)) {
78 client->errorValue = stuff->deviceid;
79 return BadDevice;
80 }
81
82 pDev = GetMaster(pDev, MASTER_POINTER);
83
84 if (stuff->win != None) {
85 rc = dixLookupClient(&targetClient, stuff->win, client,
86 DixManageAccess);
87
88 if (rc != Success)
89 return BadWindow;
90
91 }
92 else
93 targetClient = client;
94
95 rc = SetClientPointer(targetClient, pDev);
96 if (rc != Success) {
97 client->errorValue = stuff->deviceid;
98 return rc;
99 }
100
101 return Success;
102 }