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authorHenrik Rydberg <rydberg@euromail.se>2010-06-17 18:12:58 +0200
committerHenrik Rydberg <rydberg@euromail.se>2010-06-17 18:12:58 +0200
commit66e5de9eaefc33ffa6af3617f9ec7a50f10af50d (patch)
tree66535311e0b9c422b30341237fd596fb9ebbdd75 /src/state.h
Initial load of mtdev project
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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1/*****************************************************************************
2 *
3 * mtdev - MT device event converter (MIT license)
4 *
5 * Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se>
6 * Copyright (C) 2010 Canonical Ltd.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 * DEALINGS IN THE SOFTWARE.
26 *
27 ****************************************************************************/
28
29#ifndef MTDEV_STATE_H
30#define MTDEV_STATE_H
31
32#include "iobuf.h"
33#include "evbuf.h"
34
35/*
36 * struct mtdev_slot - represents the state of an input MT slot
37 * @abs: current values of ABS_MT axes for this slot
38 */
39struct mtdev_slot {
40 int abs[MT_ABS_SIZE];
41};
42
43/*
44 * struct mtdev_state - MT slot parsing
45 * @inbuf: input event buffer
46 * @outbuf: output event buffer
47 * @data: array of scratch slot data
48 * @used: bitmask of currently used slots
49 * @slot: slot currently being modified
50 * @lastid: last used tracking id
51 */
52struct mtdev_state {
53 struct mtdev_iobuf iobuf;
54 struct mtdev_evbuf inbuf;
55 struct mtdev_evbuf outbuf;
56 struct mtdev_slot data[DIM_FINGER];
57 bitmask_t used;
58 bitmask_t slot;
59 bitmask_t lastid;
60};
61
62#endif