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 * Extension function to grab a button on an extension 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"	/* window structure  */
59#include <X11/extensions/XI.h>
60#include <X11/extensions/XIproto.h>
61#include "exevents.h"
62#include "exglobals.h"
63#include "xace.h"
64
65#include "grabdev.h"
66#include "grabdevb.h"
67
68/***********************************************************************
69 *
70 * Handle requests from clients with a different byte order.
71 *
72 */
73
74int
75SProcXGrabDeviceButton(ClientPtr client)
76{
77    char n;
78
79    REQUEST(xGrabDeviceButtonReq);
80    swaps(&stuff->length, n);
81    REQUEST_AT_LEAST_SIZE(xGrabDeviceButtonReq);
82    swapl(&stuff->grabWindow, n);
83    swaps(&stuff->modifiers, n);
84    swaps(&stuff->event_count, n);
85    REQUEST_FIXED_SIZE(xGrabDeviceButtonReq,
86                      stuff->event_count * sizeof(CARD32));
87    SwapLongs((CARD32 *) (&stuff[1]), stuff->event_count);
88
89    return (ProcXGrabDeviceButton(client));
90}
91
92/***********************************************************************
93 *
94 * Grab a button on an extension device.
95 *
96 */
97
98int
99ProcXGrabDeviceButton(ClientPtr client)
100{
101    int ret;
102    DeviceIntPtr dev;
103    DeviceIntPtr mdev;
104    XEventClass *class;
105    struct tmask tmp[EMASKSIZE];
106    GrabParameters param;
107    GrabMask mask;
108
109    REQUEST(xGrabDeviceButtonReq);
110    REQUEST_AT_LEAST_SIZE(xGrabDeviceButtonReq);
111
112    if (stuff->length !=
113	bytes_to_int32(sizeof(xGrabDeviceButtonReq)) + stuff->event_count)
114	return BadLength;
115
116    ret = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess);
117    if (ret != Success)
118	return ret;
119
120    if (stuff->modifier_device != UseXKeyboard) {
121	ret = dixLookupDevice(&mdev, stuff->modifier_device, client,
122			      DixUseAccess);
123	if (ret != Success)
124	    return ret;
125	if (mdev->key == NULL)
126	    return BadMatch;
127    } else {
128	mdev = PickKeyboard(client);
129	ret = XaceHook(XACE_DEVICE_ACCESS, client, mdev, DixUseAccess);
130	if (ret != Success)
131	    return ret;
132    }
133
134    class = (XEventClass *) (&stuff[1]);	/* first word of values */
135
136    if ((ret = CreateMaskFromList(client, class,
137				  stuff->event_count, tmp, dev,
138				  X_GrabDeviceButton)) != Success)
139	return ret;
140
141    memset(&param, 0, sizeof(param));
142    param.grabtype = GRABTYPE_XI;
143    param.ownerEvents = stuff->ownerEvents;
144    param.this_device_mode = stuff->this_device_mode;
145    param.other_devices_mode = stuff->other_devices_mode;
146    param.grabWindow = stuff->grabWindow;
147    param.modifiers = stuff->modifiers;
148    mask.xi = tmp[stuff->grabbed_device].mask;
149
150    ret = GrabButton(client, dev, mdev, stuff->button, &param,
151                     GRABTYPE_XI, &mask);
152
153    return ret;
154}
155