chgprop.c revision 4642e01f 
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 modify the dont-propagate-list for an extension input device.
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 "inputstr.h"	/* DeviceIntPtr      */
60#include "windowstr.h"
61#include <X11/extensions/XI.h>
62#include <X11/extensions/XIproto.h>
63
64#include "exevents.h"
65#include "exglobals.h"
66
67#include "chgprop.h"
68#include "grabdev.h"
69
70/***********************************************************************
71 *
72 * This procedure returns the extension version.
73 *
74 */
75
76int
77SProcXChangeDeviceDontPropagateList(ClientPtr client)
78{
79    char n;
80
81    REQUEST(xChangeDeviceDontPropagateListReq);
82    swaps(&stuff->length, n);
83    REQUEST_AT_LEAST_SIZE(xChangeDeviceDontPropagateListReq);
84    swapl(&stuff->window, n);
85    swaps(&stuff->count, n);
86    REQUEST_FIXED_SIZE(xChangeDeviceDontPropagateListReq,
87                      stuff->count * sizeof(CARD32));
88    SwapLongs((CARD32 *) (&stuff[1]), stuff->count);
89    return (ProcXChangeDeviceDontPropagateList(client));
90}
91
92/***********************************************************************
93 *
94 * This procedure changes the dont-propagate list for the specified window.
95 *
96 */
97
98int
99ProcXChangeDeviceDontPropagateList(ClientPtr client)
100{
101    int i, rc;
102    WindowPtr pWin;
103    struct tmask tmp[EMASKSIZE];
104    OtherInputMasks *others;
105
106    REQUEST(xChangeDeviceDontPropagateListReq);
107    REQUEST_AT_LEAST_SIZE(xChangeDeviceDontPropagateListReq);
108
109    if (stuff->length != (sizeof(xChangeDeviceDontPropagateListReq) >> 2) +
110	stuff->count)
111	return BadLength;
112
113    rc = dixLookupWindow(&pWin, stuff->window, client, DixSetAttrAccess);
114    if (rc != Success)
115	return rc;
116
117    if (stuff->mode != AddToList && stuff->mode != DeleteFromList) {
118	client->errorValue = stuff->window;
119	return BadMode;
120    }
121
122    if ((rc = CreateMaskFromList(client, (XEventClass *) & stuff[1],
123				 stuff->count, tmp, NULL,
124				 X_ChangeDeviceDontPropagateList)) != Success)
125	return rc;
126
127    others = wOtherInputMasks(pWin);
128    if (!others && stuff->mode == DeleteFromList)
129	return Success;
130    for (i = 0; i < EMASKSIZE; i++) {
131	if (tmp[i].mask == 0)
132	    continue;
133
134	if (stuff->mode == DeleteFromList)
135	    tmp[i].mask = (others->dontPropagateMask[i] & ~tmp[i].mask);
136	else if (others)
137	    tmp[i].mask |= others->dontPropagateMask[i];
138
139	if (DeviceEventSuppressForWindow(pWin, client, tmp[i].mask, i) !=
140	    Success)
141	    return BadClass;
142    }
143
144    return Success;
145}
146