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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/*
* Copyright © 2014 Red Hat, Inc.
* Copyright © 2014 Stephen Chandler "Lyude" Paul
*
* 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_TABLET_H
#define EVDEV_TABLET_H
#include "evdev.h"
#define LIBINPUT_TABLET_TOOL_AXIS_NONE 0
#define LIBINPUT_TOOL_NONE 0
#define LIBINPUT_TABLET_TOOL_TYPE_MAX LIBINPUT_TABLET_TOOL_TYPE_LENS
enum tablet_status {
TABLET_NONE = 0,
TABLET_AXES_UPDATED = 1 << 0,
TABLET_BUTTONS_PRESSED = 1 << 1,
TABLET_BUTTONS_RELEASED = 1 << 2,
TABLET_TOOL_IN_CONTACT = 1 << 3,
TABLET_TOOL_LEAVING_PROXIMITY = 1 << 4,
TABLET_TOOL_OUT_OF_PROXIMITY = 1 << 5,
TABLET_TOOL_ENTERING_PROXIMITY = 1 << 6,
TABLET_TOOL_ENTERING_CONTACT = 1 << 7,
TABLET_TOOL_LEAVING_CONTACT = 1 << 8,
TABLET_TOOL_OUT_OF_RANGE = 1 << 9,
};
struct button_state {
unsigned char bits[NCHARS(KEY_CNT)];
};
struct tablet_dispatch {
struct evdev_dispatch base;
struct evdev_device *device;
unsigned int status;
unsigned char changed_axes[NCHARS(LIBINPUT_TABLET_TOOL_AXIS_MAX + 1)];
struct tablet_axes axes;
unsigned char axis_caps[NCHARS(LIBINPUT_TABLET_TOOL_AXIS_MAX + 1)];
int current_value[LIBINPUT_TABLET_TOOL_AXIS_MAX + 1];
int prev_value[LIBINPUT_TABLET_TOOL_AXIS_MAX + 1];
/* Only used for tablets that don't report serial numbers */
struct list tool_list;
struct button_state button_state;
struct button_state prev_button_state;
enum libinput_tablet_tool_type current_tool_type;
uint32_t current_tool_id;
uint32_t current_tool_serial;
uint32_t cursor_proximity_threshold;
struct libinput_device_config_calibration calibration;
/* The paired touch device on devices with both pen & touch */
struct evdev_device *touch_device;
};
static inline struct tablet_dispatch*
tablet_dispatch(struct evdev_dispatch *dispatch)
{
struct tablet_dispatch *t;
evdev_verify_dispatch_type(dispatch, DISPATCH_TABLET);
return container_of(dispatch, t, base);
}
static inline enum libinput_tablet_tool_axis
evcode_to_axis(const uint32_t evcode)
{
enum libinput_tablet_tool_axis axis;
switch (evcode) {
case ABS_X:
axis = LIBINPUT_TABLET_TOOL_AXIS_X;
break;
case ABS_Y:
axis = LIBINPUT_TABLET_TOOL_AXIS_Y;
break;
case ABS_Z:
axis = LIBINPUT_TABLET_TOOL_AXIS_ROTATION_Z;
break;
case ABS_DISTANCE:
axis = LIBINPUT_TABLET_TOOL_AXIS_DISTANCE;
break;
case ABS_PRESSURE:
axis = LIBINPUT_TABLET_TOOL_AXIS_PRESSURE;
break;
case ABS_TILT_X:
axis = LIBINPUT_TABLET_TOOL_AXIS_TILT_X;
break;
case ABS_TILT_Y:
axis = LIBINPUT_TABLET_TOOL_AXIS_TILT_Y;
break;
case ABS_WHEEL:
axis = LIBINPUT_TABLET_TOOL_AXIS_SLIDER;
break;
default:
axis = LIBINPUT_TABLET_TOOL_AXIS_NONE;
break;
}
return axis;
}
static inline enum libinput_tablet_tool_axis
rel_evcode_to_axis(const uint32_t evcode)
{
enum libinput_tablet_tool_axis axis;
switch (evcode) {
case REL_WHEEL:
axis = LIBINPUT_TABLET_TOOL_AXIS_REL_WHEEL;
break;
default:
axis = LIBINPUT_TABLET_TOOL_AXIS_NONE;
break;
}
return axis;
}
static inline uint32_t
axis_to_evcode(const enum libinput_tablet_tool_axis axis)
{
uint32_t evcode;
switch (axis) {
case LIBINPUT_TABLET_TOOL_AXIS_X:
evcode = ABS_X;
break;
case LIBINPUT_TABLET_TOOL_AXIS_Y:
evcode = ABS_Y;
break;
case LIBINPUT_TABLET_TOOL_AXIS_DISTANCE:
evcode = ABS_DISTANCE;
break;
case LIBINPUT_TABLET_TOOL_AXIS_PRESSURE:
evcode = ABS_PRESSURE;
break;
case LIBINPUT_TABLET_TOOL_AXIS_TILT_X:
evcode = ABS_TILT_X;
break;
case LIBINPUT_TABLET_TOOL_AXIS_TILT_Y:
evcode = ABS_TILT_Y;
break;
case LIBINPUT_TABLET_TOOL_AXIS_ROTATION_Z:
evcode = ABS_Z;
break;
case LIBINPUT_TABLET_TOOL_AXIS_SLIDER:
evcode = ABS_WHEEL;
break;
default:
abort();
}
return evcode;
}
static inline int
tablet_tool_to_evcode(enum libinput_tablet_tool_type type)
{
int code;
switch (type) {
case LIBINPUT_TABLET_TOOL_TYPE_PEN: code = BTN_TOOL_PEN; break;
case LIBINPUT_TABLET_TOOL_TYPE_ERASER: code = BTN_TOOL_RUBBER; break;
case LIBINPUT_TABLET_TOOL_TYPE_BRUSH: code = BTN_TOOL_BRUSH; break;
case LIBINPUT_TABLET_TOOL_TYPE_PENCIL: code = BTN_TOOL_PENCIL; break;
case LIBINPUT_TABLET_TOOL_TYPE_AIRBRUSH: code = BTN_TOOL_AIRBRUSH; break;
case LIBINPUT_TABLET_TOOL_TYPE_MOUSE: code = BTN_TOOL_MOUSE; break;
case LIBINPUT_TABLET_TOOL_TYPE_LENS: code = BTN_TOOL_LENS; break;
default:
abort();
}
return code;
}
static inline const char *
tablet_tool_type_to_string(enum libinput_tablet_tool_type type)
{
const char *str;
switch (type) {
case LIBINPUT_TABLET_TOOL_TYPE_PEN: str = "pen"; break;
case LIBINPUT_TABLET_TOOL_TYPE_ERASER: str = "eraser"; break;
case LIBINPUT_TABLET_TOOL_TYPE_BRUSH: str = "brush"; break;
case LIBINPUT_TABLET_TOOL_TYPE_PENCIL: str = "pencil"; break;
case LIBINPUT_TABLET_TOOL_TYPE_AIRBRUSH: str = "airbrush"; break;
case LIBINPUT_TABLET_TOOL_TYPE_MOUSE: str = "mouse"; break;
case LIBINPUT_TABLET_TOOL_TYPE_LENS: str = "lens"; break;
default:
abort();
}
return str;
}
static inline struct libinput *
tablet_libinput_context(const struct tablet_dispatch *tablet)
{
return evdev_libinput_context(tablet->device);
}
#endif
|
