xref: /OK3568_Linux_fs/external/xserver/Xi/chgprop.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
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  * 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 
74 int _X_COLD
SProcXChangeDeviceDontPropagateList(ClientPtr client)75 SProcXChangeDeviceDontPropagateList(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 
94 int
ProcXChangeDeviceDontPropagateList(ClientPtr client)95 ProcXChangeDeviceDontPropagateList(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