allowev.c revision 706f2543 
1/************************************************************
2
3Copyright 1989, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
26
27			All Rights Reserved
28
29Permission to use, copy, modify, and distribute this software and its
30documentation for any purpose and without fee is hereby granted,
31provided that the above copyright notice appear in all copies and that
32both that copyright notice and this permission notice appear in
33supporting documentation, and that the name of Hewlett-Packard not be
34used in advertising or publicity pertaining to distribution of the
35software without specific, written prior permission.
36
37HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
43SOFTWARE.
44
45********************************************************/
46
47/***********************************************************************
48 *
49 * Function to allow frozen events to be routed from extension input devices.
50 *
51 */
52
53#ifdef HAVE_DIX_CONFIG_H
54#include <dix-config.h>
55#endif
56
57#include "inputstr.h"	/* DeviceIntPtr      */
58#include <X11/extensions/XI.h>
59#include <X11/extensions/XIproto.h>
60
61#include "exglobals.h"
62
63#include "allowev.h"
64#include "dixevents.h"
65
66/***********************************************************************
67 *
68 * This procedure allows frozen events to be routed.
69 *
70 */
71
72int
73SProcXAllowDeviceEvents(ClientPtr client)
74{
75    char n;
76
77    REQUEST(xAllowDeviceEventsReq);
78    swaps(&stuff->length, n);
79    REQUEST_SIZE_MATCH(xAllowDeviceEventsReq);
80    swapl(&stuff->time, n);
81    return (ProcXAllowDeviceEvents(client));
82}
83
84/***********************************************************************
85 *
86 * This procedure allows frozen events to be routed.
87 *
88 */
89
90int
91ProcXAllowDeviceEvents(ClientPtr client)
92{
93    TimeStamp time;
94    DeviceIntPtr thisdev;
95    int rc;
96
97    REQUEST(xAllowDeviceEventsReq);
98    REQUEST_SIZE_MATCH(xAllowDeviceEventsReq);
99
100    rc = dixLookupDevice(&thisdev, stuff->deviceid, client, DixGetAttrAccess);
101    if (rc != Success)
102	return rc;
103    time = ClientTimeToServerTime(stuff->time);
104
105    switch (stuff->mode) {
106    case ReplayThisDevice:
107	AllowSome(client, time, thisdev, NOT_GRABBED);
108	break;
109    case SyncThisDevice:
110	AllowSome(client, time, thisdev, FREEZE_NEXT_EVENT);
111	break;
112    case AsyncThisDevice:
113	AllowSome(client, time, thisdev, THAWED);
114	break;
115    case AsyncOtherDevices:
116	AllowSome(client, time, thisdev, THAW_OTHERS);
117	break;
118    case SyncAll:
119	AllowSome(client, time, thisdev, FREEZE_BOTH_NEXT_EVENT);
120	break;
121    case AsyncAll:
122	AllowSome(client, time, thisdev, THAWED_BOTH);
123	break;
124    default:
125	client->errorValue = stuff->mode;
126	return BadValue;
127    }
128    return Success;
129}
130