allowev.c revision 05b261ec 
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#define	 NEED_EVENTS
54#define	 NEED_REPLIES
55#ifdef HAVE_DIX_CONFIG_H
56#include <dix-config.h>
57#endif
58
59#include <X11/X.h>	/* for inputstr.h    */
60#include <X11/Xproto.h>	/* Request macro     */
61#include "inputstr.h"	/* DeviceIntPtr      */
62#include <X11/extensions/XI.h>
63#include <X11/extensions/XIproto.h>
64
65#include "extnsionst.h"
66#include "extinit.h"	/* LookupDeviceIntRec */
67#include "exglobals.h"
68
69#include "allowev.h"
70#include "dixevents.h"
71
72/***********************************************************************
73 *
74 * This procedure allows frozen events to be routed.
75 *
76 */
77
78int
79SProcXAllowDeviceEvents(ClientPtr client)
80{
81    char n;
82
83    REQUEST(xAllowDeviceEventsReq);
84    swaps(&stuff->length, n);
85    REQUEST_SIZE_MATCH(xAllowDeviceEventsReq);
86    swapl(&stuff->time, n);
87    return (ProcXAllowDeviceEvents(client));
88}
89
90/***********************************************************************
91 *
92 * This procedure allows frozen events to be routed.
93 *
94 */
95
96int
97ProcXAllowDeviceEvents(ClientPtr client)
98{
99    TimeStamp time;
100    DeviceIntPtr thisdev;
101
102    REQUEST(xAllowDeviceEventsReq);
103    REQUEST_SIZE_MATCH(xAllowDeviceEventsReq);
104
105    thisdev = LookupDeviceIntRec(stuff->deviceid);
106    if (thisdev == NULL) {
107	SendErrorToClient(client, IReqCode, X_AllowDeviceEvents, 0, BadDevice);
108	return Success;
109    }
110    time = ClientTimeToServerTime(stuff->time);
111
112    switch (stuff->mode) {
113    case ReplayThisDevice:
114	AllowSome(client, time, thisdev, NOT_GRABBED);
115	break;
116    case SyncThisDevice:
117	AllowSome(client, time, thisdev, FREEZE_NEXT_EVENT);
118	break;
119    case AsyncThisDevice:
120	AllowSome(client, time, thisdev, THAWED);
121	break;
122    case AsyncOtherDevices:
123	AllowSome(client, time, thisdev, THAW_OTHERS);
124	break;
125    case SyncAll:
126	AllowSome(client, time, thisdev, FREEZE_BOTH_NEXT_EVENT);
127	break;
128    case AsyncAll:
129	AllowSome(client, time, thisdev, THAWED_BOTH);
130	break;
131    default:
132	SendErrorToClient(client, IReqCode, X_AllowDeviceEvents, 0, BadValue);
133	client->errorValue = stuff->mode;
134	return Success;
135    }
136    return Success;
137}
138