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 _X_COLD
SProcXISetClientPointer(ClientPtr client)51 SProcXISetClientPointer(ClientPtr client)
52 {
53 REQUEST(xXISetClientPointerReq);
54 REQUEST_SIZE_MATCH(xXISetClientPointerReq);
55
56 swaps(&stuff->length);
57 swapl(&stuff->win);
58 swaps(&stuff->deviceid);
59 return (ProcXISetClientPointer(client));
60 }
61
62 int
ProcXISetClientPointer(ClientPtr client)63 ProcXISetClientPointer(ClientPtr client)
64 {
65 DeviceIntPtr pDev;
66 ClientPtr targetClient;
67 int rc;
68
69 REQUEST(xXISetClientPointerReq);
70 REQUEST_SIZE_MATCH(xXISetClientPointerReq);
71
72 rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixManageAccess);
73 if (rc != Success) {
74 client->errorValue = stuff->deviceid;
75 return rc;
76 }
77
78 if (!IsMaster(pDev)) {
79 client->errorValue = stuff->deviceid;
80 return BadDevice;
81 }
82
83 pDev = GetMaster(pDev, MASTER_POINTER);
84
85 if (stuff->win != None) {
86 rc = dixLookupClient(&targetClient, stuff->win, client,
87 DixManageAccess);
88
89 if (rc != Success)
90 return BadWindow;
91
92 }
93 else
94 targetClient = client;
95
96 rc = SetClientPointer(targetClient, pDev);
97 if (rc != Success) {
98 client->errorValue = stuff->deviceid;
99 return rc;
100 }
101
102 return Success;
103 }
104