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
|
/*****************************************************************************
*
* mtdev - Multitouch Protocol Translation Library (MIT license)
*
* Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se>
* Copyright (C) 2010 Canonical Ltd.
*
* 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.
*
****************************************************************************/
#ifndef MTDEV_STATE_H
#define MTDEV_STATE_H
#include "iobuf.h"
#include "evbuf.h"
/*
* struct mtdev_slot - represents the state of an input MT slot
* @abs: current values of ABS_MT axes for this slot
*/
struct mtdev_slot {
int touch_major;
int touch_minor;
int width_major;
int width_minor;
int orientation;
int position_x;
int position_y;
int tool_type;
int blob_id;
int tracking_id;
int pressure;
int distance;
};
static inline int get_sval(const struct mtdev_slot *slot, int ix)
{
return (&slot->touch_major)[ix];
}
static inline void set_sval(struct mtdev_slot *slot, int ix, int value)
{
(&slot->touch_major)[ix] = value;
}
/*
* struct mtdev_state - MT slot parsing
* @inbuf: input event buffer
* @outbuf: output event buffer
* @data: array of scratch slot data
* @used: bitmask of currently used slots
* @slot: slot currently being modified
* @lastid: last used tracking id
*/
struct mtdev_state {
int has_ext_abs[MT_ABS_SIZE - 11];
struct input_absinfo ext_abs[MT_ABS_SIZE - 11];
struct mtdev_iobuf iobuf;
struct mtdev_evbuf inbuf;
struct mtdev_evbuf outbuf;
struct mtdev_slot data[DIM_FINGER];
bitmask_t used;
bitmask_t slot;
bitmask_t lastid;
};
#endif
|
