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 */
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 */
34 #ifdef HAVE_DIX_CONFIG_H
35 #include <dix-config.h>
36 #endif
38 #include <X11/X.h> /* for inputstr.h */
39 #include <X11/Xproto.h> /* Request macro */
40 #include "inputstr.h" /* DeviceIntPtr */
41 #include "windowstr.h" /* window structure */
42 #include "scrnintstr.h" /* screen structure */
43 #include <X11/extensions/XI.h>
44 #include <X11/extensions/XI2proto.h>
45 #include "extnsionst.h"
46 #include "exevents.h"
47 #include "exglobals.h"
49 #include "xisetclientpointer.h"
51 int
52 SProcXISetClientPointer(ClientPtr client)
53 {
54 char n;
56 REQUEST(xXISetClientPointerReq);
57 swaps(&stuff->length, n);
58 swapl(&stuff->win, n);
59 swaps(&stuff->deviceid, n);
60 REQUEST_SIZE_MATCH(xXISetClientPointerReq);
61 return (ProcXISetClientPointer(client));
62 }
64 int
65 ProcXISetClientPointer(ClientPtr client)
66 {
67 DeviceIntPtr pDev;
68 ClientPtr targetClient;
69 int rc;
71 REQUEST(xXISetClientPointerReq);
72 REQUEST_SIZE_MATCH(xXISetClientPointerReq);
75 rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixManageAccess);
76 if (rc != Success)
77 {
78 client->errorValue = stuff->deviceid;
79 return rc;
80 }
82 if (!IsMaster(pDev))
83 {
84 client->errorValue = stuff->deviceid;
85 return BadDevice;
86 }
88 pDev = GetMaster(pDev, MASTER_POINTER);
90 if (stuff->win != None)
91 {
92 rc = dixLookupClient(&targetClient, stuff->win, client,
93 DixManageAccess);
95 if (rc != Success)
96 return BadWindow;
98 } else
99 targetClient = client;
101 rc = SetClientPointer(targetClient, pDev);
102 if (rc != Success)
103 {
104 client->errorValue = stuff->deviceid;
105 return rc;
106 }
108 return Success;
109 }