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
use super::EventTrait;
use {AsRaw, Context, FromRaw};
use ffi;
pub trait TouchEventTrait: AsRaw<ffi::libinput_event_touch> + Context {
ffi_func!(
fn time, ffi::libinput_event_touch_get_time, u32);
ffi_func!(
fn time_usec, ffi::libinput_event_touch_get_time_usec, u64);
fn into_touch_event(self) -> TouchEvent
where
Self: Sized,
{
unsafe { TouchEvent::from_raw(self.as_raw_mut(), self.context()) }
}
}
impl<T: AsRaw<ffi::libinput_event_touch> + Context> TouchEventTrait for T {}
pub trait TouchEventSlot: AsRaw<ffi::libinput_event_touch> {
ffi_func!(
fn seat_slot, ffi::libinput_event_touch_get_seat_slot, u32);
fn slot(&self) -> Option<u32> {
match unsafe { ffi::libinput_event_touch_get_slot(self.as_raw_mut()) } {
x if x >= 0 => Some(x as u32),
-1 => None,
_ => panic!("libinput_event_touch_get_slot returned undocumentated value!"),
}
}
}
pub trait TouchEventPosition: AsRaw<ffi::libinput_event_touch> {
ffi_func!(
fn x, ffi::libinput_event_touch_get_x, f64);
ffi_func!(
fn y, ffi::libinput_event_touch_get_y, f64);
fn x_transformed(&self, width: u32) -> f64 {
unsafe { ffi::libinput_event_touch_get_x_transformed(self.as_raw_mut(), width) }
}
fn y_transformed(&self, height: u32) -> f64 {
unsafe { ffi::libinput_event_touch_get_y_transformed(self.as_raw_mut(), height) }
}
}
#[derive(Debug, PartialEq, Eq, Hash)]
pub enum TouchEvent {
Down(TouchDownEvent),
Up(TouchUpEvent),
Motion(TouchMotionEvent),
Cancel(TouchCancelEvent),
Frame(TouchFrameEvent),
}
impl EventTrait for TouchEvent {
#[doc(hidden)]
fn as_raw_event(&self) -> *mut ffi::libinput_event {
match *self {
TouchEvent::Down(ref event) => event.as_raw_event(),
TouchEvent::Up(ref event) => event.as_raw_event(),
TouchEvent::Motion(ref event) => event.as_raw_event(),
TouchEvent::Cancel(ref event) => event.as_raw_event(),
TouchEvent::Frame(ref event) => event.as_raw_event(),
}
}
}
impl FromRaw<ffi::libinput_event_touch> for TouchEvent {
unsafe fn from_raw(event: *mut ffi::libinput_event_touch, context: &::context::Libinput) -> Self {
let base = ffi::libinput_event_touch_get_base_event(event);
match ffi::libinput_event_get_type(base) {
ffi::libinput_event_type_LIBINPUT_EVENT_TOUCH_DOWN => {
TouchEvent::Down(TouchDownEvent::from_raw(event, context))
}
ffi::libinput_event_type_LIBINPUT_EVENT_TOUCH_UP => {
TouchEvent::Up(TouchUpEvent::from_raw(event, context))
}
ffi::libinput_event_type_LIBINPUT_EVENT_TOUCH_MOTION => {
TouchEvent::Motion(TouchMotionEvent::from_raw(event, context))
}
ffi::libinput_event_type_LIBINPUT_EVENT_TOUCH_CANCEL => {
TouchEvent::Cancel(TouchCancelEvent::from_raw(event, context))
}
ffi::libinput_event_type_LIBINPUT_EVENT_TOUCH_FRAME => {
TouchEvent::Frame(TouchFrameEvent::from_raw(event, context))
}
_ => unreachable!(),
}
}
}
impl AsRaw<ffi::libinput_event_touch> for TouchEvent {
fn as_raw(&self) -> *const ffi::libinput_event_touch {
match *self {
TouchEvent::Down(ref event) => event.as_raw(),
TouchEvent::Up(ref event) => event.as_raw(),
TouchEvent::Motion(ref event) => event.as_raw(),
TouchEvent::Cancel(ref event) => event.as_raw(),
TouchEvent::Frame(ref event) => event.as_raw(),
}
}
}
impl Context for TouchEvent {
fn context(&self) -> &::Libinput {
match *self {
TouchEvent::Down(ref event) => event.context(),
TouchEvent::Up(ref event) => event.context(),
TouchEvent::Motion(ref event) => event.context(),
TouchEvent::Cancel(ref event) => event.context(),
TouchEvent::Frame(ref event) => event.context(),
}
}
}
ffi_event_struct!(
struct TouchDownEvent, ffi::libinput_event_touch, ffi::libinput_event_touch_get_base_event);
impl TouchEventSlot for TouchDownEvent {}
impl TouchEventPosition for TouchDownEvent {}
ffi_event_struct!(
struct TouchUpEvent, ffi::libinput_event_touch, ffi::libinput_event_touch_get_base_event);
impl TouchEventSlot for TouchUpEvent {}
ffi_event_struct!(
struct TouchMotionEvent, ffi::libinput_event_touch, ffi::libinput_event_touch_get_base_event);
impl TouchEventSlot for TouchMotionEvent {}
impl TouchEventPosition for TouchMotionEvent {}
ffi_event_struct!(
struct TouchCancelEvent, ffi::libinput_event_touch, ffi::libinput_event_touch_get_base_event);
impl TouchEventSlot for TouchCancelEvent {}
ffi_event_struct!(
struct TouchFrameEvent, ffi::libinput_event_touch, ffi::libinput_event_touch_get_base_event);