1 /************************************************************
3 Copyright 1989, 1998 The Open Group
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.
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
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.
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.
25 Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
27 All Rights Reserved
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.
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.
45 ********************************************************/
47 /***********************************************************************
48 *
49 * Extension function to grab a button on an extension device.
50 *
51 */
53 #ifdef HAVE_DIX_CONFIG_H
54 #include <dix-config.h>
55 #endif
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"
65 #include "grabdev.h"
66 #include "grabdevb.h"
68 /***********************************************************************
69 *
70 * Handle requests from clients with a different byte order.
71 *
72 */
74 int
75 SProcXGrabDeviceButton(ClientPtr client)
76 {
77 char n;
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);
89 return (ProcXGrabDeviceButton(client));
90 }
92 /***********************************************************************
93 *
94 * Grab a button on an extension device.
95 *
96 */
98 int
99 ProcXGrabDeviceButton(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;
109 REQUEST(xGrabDeviceButtonReq);
110 REQUEST_AT_LEAST_SIZE(xGrabDeviceButtonReq);
112 if (stuff->length !=
113 bytes_to_int32(sizeof(xGrabDeviceButtonReq)) + stuff->event_count)
114 return BadLength;
116 ret = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess);
117 if (ret != Success)
118 return ret;
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 }
134 class = (XEventClass *) (&stuff[1]); /* first word of values */
136 if ((ret = CreateMaskFromList(client, class,
137 stuff->event_count, tmp, dev,
138 X_GrabDeviceButton)) != Success)
139 return ret;
141 memset(¶m, 0, sizeof(param));
142 param.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;
150 ret = GrabButton(client, dev, mdev, stuff->button, ¶m,
151 XI, &mask);
153 return ret;
154 }