1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* Copyright © 2009 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
#include <stdint.h>
#include <X11/Xlibint.h>
#include <X11/extensions/XI2proto.h>
#include <X11/extensions/XInput2.h>
#include <X11/extensions/extutil.h>
#include "XIint.h"
Status
XIGrabDevice(Display* dpy, int deviceid, Window grab_window, Time time,
Cursor cursor, int grab_mode, int paired_device_mode,
Bool owner_events, XIEventMask *mask)
{
xXIGrabDeviceReq *req;
xXIGrabDeviceReply reply;
char* buff;
int len;
XExtDisplayInfo *extinfo = XInput_find_display(dpy);
LockDisplay(dpy);
if (_XiCheckExtInit(dpy, Dont_Check, extinfo) == -1)
return (NoSuchExtension);
GetReq(XIGrabDevice, req);
req->reqType = extinfo->codes->major_opcode;
req->ReqType = X_XIGrabDevice;
req->deviceid = deviceid;
req->grab_window = grab_window;
req->time = time;
req->grab_mode = grab_mode;
req->paired_device_mode = paired_device_mode;
req->owner_events = owner_events;
req->mask_len = (mask->mask_len + 3)/4;
req->cursor = cursor;
/* masks.mask_len is in bytes, but we need 4-byte units on the wire,
* and they need to be padded with 0 */
len = req->mask_len;
buff = calloc(1, len * 4);
memcpy(buff, mask->mask, mask->mask_len);
SetReqLen(req, len, len);
Data(dpy, buff, len * 4);
free(buff);
if (_XReply(dpy, (xReply *)&reply, 0, xTrue) == 0)
reply.status = GrabSuccess;
UnlockDisplay(dpy);
SyncHandle();
return reply.status;
}
Status
XIUngrabDevice(Display* dpy, int deviceid, Time time)
{
xXIUngrabDeviceReq *req;
XExtDisplayInfo *info = XInput_find_display(dpy);
LockDisplay(dpy);
if (_XiCheckExtInit(dpy, Dont_Check, info) == -1)
return (NoSuchExtension);
GetReq(XIUngrabDevice, req);
req->reqType = info->codes->major_opcode;
req->ReqType = X_XIUngrabDevice;
req->deviceid = deviceid;
req->time = time;
UnlockDisplay(dpy);
SyncHandle();
return (Success);
}
|
