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 change a given device pointer's cursor.
29 *
30 */
31
32 #ifdef HAVE_DIX_CONFIG_H
33 #include <dix-config.h>
34 #endif
35
36 #include <X11/X.h> /* for inputstr.h */
37 #include <X11/Xproto.h> /* Request macro */
38 #include "inputstr.h" /* DeviceIntPtr */
39 #include "windowstr.h" /* window structure */
40 #include "scrnintstr.h" /* screen structure */
41 #include <X11/extensions/XI.h>
42 #include <X11/extensions/XI2proto.h>
43 #include "extnsionst.h"
44 #include "exevents.h"
45 #include "exglobals.h"
46 #include "input.h"
47
48 #include "xichangecursor.h"
49
50 /***********************************************************************
51 *
52 * This procedure allows a client to set one pointer's cursor.
53 *
54 */
55
56 int _X_COLD
SProcXIChangeCursor(ClientPtr client)57 SProcXIChangeCursor(ClientPtr client)
58 {
59 REQUEST(xXIChangeCursorReq);
60 REQUEST_SIZE_MATCH(xXIChangeCursorReq);
61 swaps(&stuff->length);
62 swapl(&stuff->win);
63 swapl(&stuff->cursor);
64 swaps(&stuff->deviceid);
65 return (ProcXIChangeCursor(client));
66 }
67
68 int
ProcXIChangeCursor(ClientPtr client)69 ProcXIChangeCursor(ClientPtr client)
70 {
71 int rc;
72 WindowPtr pWin = NULL;
73 DeviceIntPtr pDev = NULL;
74 CursorPtr pCursor = NULL;
75
76 REQUEST(xXIChangeCursorReq);
77 REQUEST_SIZE_MATCH(xXIChangeCursorReq);
78
79 rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixSetAttrAccess);
80 if (rc != Success)
81 return rc;
82
83 if (!IsMaster(pDev) || !IsPointerDevice(pDev))
84 return BadDevice;
85
86 if (stuff->win != None) {
87 rc = dixLookupWindow(&pWin, stuff->win, client, DixSetAttrAccess);
88 if (rc != Success)
89 return rc;
90 }
91
92 if (stuff->cursor == None) {
93 if (pWin == pWin->drawable.pScreen->root)
94 pCursor = rootCursor;
95 else
96 pCursor = (CursorPtr) None;
97 }
98 else {
99 rc = dixLookupResourceByType((void **) &pCursor, stuff->cursor,
100 RT_CURSOR, client, DixUseAccess);
101 if (rc != Success)
102 return rc;
103 }
104
105 ChangeWindowDeviceCursor(pWin, pDev, pCursor);
106
107 return Success;
108 }
109