chgprop.c revision 1b5d61b8 
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#ifdef HAVE_DIX_CONFIG_H
54#include <dix-config.h>
55#endif
56
57#include "inputstr.h"           /* DeviceIntPtr      */
58#include "windowstr.h"
59#include <X11/extensions/XI.h>
60#include <X11/extensions/XIproto.h>
61
62#include "exevents.h"
63#include "exglobals.h"
64
65#include "chgprop.h"
66#include "grabdev.h"
67
68/***********************************************************************
69 *
70 * This procedure returns the extension version.
71 *
72 */
73
74int _X_COLD
75SProcXChangeDeviceDontPropagateList(ClientPtr client)
76{
77    REQUEST(xChangeDeviceDontPropagateListReq);
78    swaps(&stuff->length);
79    REQUEST_AT_LEAST_SIZE(xChangeDeviceDontPropagateListReq);
80    swapl(&stuff->window);
81    swaps(&stuff->count);
82    REQUEST_FIXED_SIZE(xChangeDeviceDontPropagateListReq,
83                       stuff->count * sizeof(CARD32));
84    SwapLongs((CARD32 *) (&stuff[1]), stuff->count);
85    return (ProcXChangeDeviceDontPropagateList(client));
86}
87
88/***********************************************************************
89 *
90 * This procedure changes the dont-propagate list for the specified window.
91 *
92 */
93
94int
95ProcXChangeDeviceDontPropagateList(ClientPtr client)
96{
97    int i, rc;
98    WindowPtr pWin;
99    struct tmask tmp[EMASKSIZE];
100    OtherInputMasks *others;
101
102    REQUEST(xChangeDeviceDontPropagateListReq);
103    REQUEST_AT_LEAST_SIZE(xChangeDeviceDontPropagateListReq);
104
105    if (stuff->length !=
106        bytes_to_int32(sizeof(xChangeDeviceDontPropagateListReq)) +
107        stuff->count)
108        return BadLength;
109
110    rc = dixLookupWindow(&pWin, stuff->window, client, DixSetAttrAccess);
111    if (rc != Success)
112        return rc;
113
114    if (stuff->mode != AddToList && stuff->mode != DeleteFromList) {
115        client->errorValue = stuff->window;
116        return BadMode;
117    }
118
119    if ((rc = CreateMaskFromList(client, (XEventClass *) &stuff[1],
120                                 stuff->count, tmp, NULL,
121                                 X_ChangeDeviceDontPropagateList)) != Success)
122        return rc;
123
124    others = wOtherInputMasks(pWin);
125    if (!others && stuff->mode == DeleteFromList)
126        return Success;
127    for (i = 0; i < EMASKSIZE; i++) {
128        if (tmp[i].mask == 0)
129            continue;
130
131        if (stuff->mode == DeleteFromList)
132            tmp[i].mask = (others->dontPropagateMask[i] & ~tmp[i].mask);
133        else if (others)
134            tmp[i].mask |= others->dontPropagateMask[i];
135
136        if (DeviceEventSuppressForWindow(pWin, client, tmp[i].mask, i) !=
137            Success)
138            return BadClass;
139    }
140
141    return Success;
142}
143