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a09e091a JB |
1 | /************************************************************ |
2 | ||
3 | Copyright 1989, 1998 The Open Group | |
4 | ||
5 | Permission to use, copy, modify, distribute, and sell this software and its | |
6 | documentation for any purpose is hereby granted without fee, provided that | |
7 | the above copyright notice appear in all copies and that both that | |
8 | copyright notice and this permission notice appear in supporting | |
9 | documentation. | |
10 | ||
11 | The above copyright notice and this permission notice shall be included in | |
12 | all copies or substantial portions of the Software. | |
13 | ||
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
20 | ||
21 | Except as contained in this notice, the name of The Open Group shall not be | |
22 | used in advertising or otherwise to promote the sale, use or other dealings | |
23 | in this Software without prior written authorization from The Open Group. | |
24 | ||
25 | Copyright 1989 by Hewlett-Packard Company, Palo Alto, California. | |
26 | ||
27 | All Rights Reserved | |
28 | ||
29 | Permission to use, copy, modify, and distribute this software and its | |
30 | documentation for any purpose and without fee is hereby granted, | |
31 | provided that the above copyright notice appear in all copies and that | |
32 | both that copyright notice and this permission notice appear in | |
33 | supporting documentation, and that the name of Hewlett-Packard not be | |
34 | used in advertising or publicity pertaining to distribution of the | |
35 | software without specific, written prior permission. | |
36 | ||
37 | HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |
39 | HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |
40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |
42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
43 | SOFTWARE. | |
44 | ||
45 | ********************************************************/ | |
46 | ||
47 | /*********************************************************************** | |
48 | * | |
49 | * Request to release a grab of an extension device. | |
50 | * | |
51 | */ | |
52 | ||
53 | #ifdef HAVE_DIX_CONFIG_H | |
54 | #include <dix-config.h> | |
55 | #endif | |
56 | ||
57 | #include "inputstr.h" /* DeviceIntPtr */ | |
58 | #include "windowstr.h" /* window structure */ | |
59 | #include <X11/extensions/XIproto.h> | |
60 | #include "exglobals.h" | |
61 | ||
62 | #include "ungrdev.h" | |
63 | ||
64 | /*********************************************************************** | |
65 | * | |
66 | * Handle requests from a client with a different byte order. | |
67 | * | |
68 | */ | |
69 | ||
70 | int | |
71 | SProcXUngrabDevice(ClientPtr client) | |
72 | { | |
73 | REQUEST(xUngrabDeviceReq); | |
74 | swaps(&stuff->length); | |
75 | REQUEST_SIZE_MATCH(xUngrabDeviceReq); | |
76 | swapl(&stuff->time); | |
77 | return (ProcXUngrabDevice(client)); | |
78 | } | |
79 | ||
80 | /*********************************************************************** | |
81 | * | |
82 | * Release a grab of an extension device. | |
83 | * | |
84 | */ | |
85 | ||
86 | int | |
87 | ProcXUngrabDevice(ClientPtr client) | |
88 | { | |
89 | DeviceIntPtr dev; | |
90 | GrabPtr grab; | |
91 | TimeStamp time; | |
92 | int rc; | |
93 | ||
94 | REQUEST(xUngrabDeviceReq); | |
95 | REQUEST_SIZE_MATCH(xUngrabDeviceReq); | |
96 | ||
97 | rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess); | |
98 | if (rc != Success) | |
99 | return rc; | |
100 | grab = dev->deviceGrab.grab; | |
101 | ||
102 | time = ClientTimeToServerTime(stuff->time); | |
103 | if ((CompareTimeStamps(time, currentTime) != LATER) && | |
104 | (CompareTimeStamps(time, dev->deviceGrab.grabTime) != EARLIER) && | |
105 | (grab) && SameClient(grab, client) && grab->grabtype == XI) | |
106 | (*dev->deviceGrab.DeactivateGrab) (dev); | |
107 | return Success; | |
108 | } |