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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* Copyright © 2011, 2012 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef EVDEV_H
#define EVDEV_H
#include "config.h"
#include <linux/input.h>
#include <wayland-util.h>
#define MAX_SLOTS 16
enum evdev_event_type {
EVDEV_ABSOLUTE_MOTION = (1 << 0),
EVDEV_ABSOLUTE_MT_DOWN = (1 << 1),
EVDEV_ABSOLUTE_MT_MOTION = (1 << 2),
EVDEV_ABSOLUTE_MT_UP = (1 << 3),
EVDEV_RELATIVE_MOTION = (1 << 4),
EVDEV_SYN = (1 << 5),
};
enum evdev_device_capability {
EVDEV_KEYBOARD = (1 << 0),
EVDEV_BUTTON = (1 << 1),
EVDEV_MOTION_ABS = (1 << 2),
EVDEV_MOTION_REL = (1 << 3),
EVDEV_TOUCH = (1 << 4),
};
enum evdev_device_quirks {
EVDEV_QUIRK_NONE = 0,
EVDEV_QUIRK_SWAP_AXES = (1 << 0),
EVDEV_QUIRK_SWAP_XAXIS = (2 << 0),
};
struct evdev_device {
struct weston_seat *seat;
struct wl_list link;
struct wl_event_source *source;
struct weston_output *output;
struct evdev_dispatch *dispatch;
char *devnode;
char *devname;
int fd;
struct {
int min_x, max_x, min_y, max_y;
int32_t x, y;
int apply_calibration;
float calibration[6];
} abs;
struct {
int slot;
int32_t x[MAX_SLOTS];
int32_t y[MAX_SLOTS];
} mt;
struct mtdev *mtdev;
struct {
wl_fixed_t dx, dy;
} rel;
enum evdev_event_type pending_events;
enum evdev_device_capability caps;
uint32_t quirks;
int is_mt;
};
/* copied from udev/extras/input_id/input_id.c */
/* we must use this kernel-compatible implementation */
#define BITS_PER_LONG (sizeof(unsigned long) * 8)
#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#define OFF(x) ((x)%BITS_PER_LONG)
#define BIT(x) (1UL<<OFF(x))
#define LONG(x) ((x)/BITS_PER_LONG)
#define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1)
/* end copied */
#define EVDEV_UNHANDLED_DEVICE ((struct evdev_device *) 1)
struct evdev_dispatch;
struct evdev_dispatch_interface {
/* Process an evdev input event. */
void (*process)(struct evdev_dispatch *dispatch,
struct evdev_device *device,
struct input_event *event,
uint32_t time);
/* Destroy an event dispatch handler and free all its resources. */
void (*destroy)(struct evdev_dispatch *dispatch);
};
struct evdev_dispatch {
struct evdev_dispatch_interface *interface;
};
struct evdev_dispatch *
evdev_touchpad_create(struct evdev_device *device);
void
evdev_led_update(struct evdev_device *device, enum weston_led leds);
struct evdev_device *
evdev_device_create(struct weston_seat *seat, const char *path, int device_fd);
void
evdev_device_destroy(struct evdev_device *device);
void
evdev_notify_keyboard_focus(struct weston_seat *seat,
struct wl_list *evdev_devices);
#endif /* EVDEV_H */
|
