joydev/
event.rs

1use std::fmt;
2use std::mem::{transmute, zeroed};
3
4use sys::js_event;
5
6use crate::{EventType, GenericEvent};
7
8/// Raw event
9///
10/// Events lack device context and as a result doesn't provide axis/button mapping. If the mapping is required the event
11/// can be mapped using [`DeviceEvent`](enum.DeviceEvent.html) or manually.
12#[derive(Clone, Copy, Eq, Hash, PartialEq)]
13pub struct Event {
14	pub(crate) event: js_event,
15}
16
17impl Event {
18	/// Returns the event's axis/button.
19	pub const fn number(self) -> u8 {
20		self.event.number
21	}
22
23	/// Returns the event's type.
24	pub fn type_(self) -> EventType {
25		unsafe { transmute(self.event.type_) }
26	}
27}
28
29impl Default for Event {
30	fn default() -> Self {
31		Self {
32			event: unsafe { zeroed() },
33		}
34	}
35}
36
37impl fmt::Debug for Event {
38	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
39		write!(
40			f,
41			"Event {{ number: {:?}, time: {:?}, type: {:?}, value: {:?} }}",
42			self.number(),
43			self.time(),
44			self.type_(),
45			self.value()
46		)
47	}
48}
49
50impl GenericEvent for Event {
51	fn is_real(&self) -> bool {
52		match self.type_() {
53			EventType::Axis | EventType::Button => true,
54			EventType::AxisSynthetic | EventType::ButtonSynthetic => false,
55		}
56	}
57
58	fn is_synthetic(&self) -> bool {
59		match self.type_() {
60			EventType::Axis | EventType::Button => false,
61			EventType::AxisSynthetic | EventType::ButtonSynthetic => true,
62		}
63	}
64
65	fn time(&self) -> u32 {
66		self.event.time
67	}
68
69	fn value(&self) -> i16 {
70		self.event.value
71	}
72}
joydev/event.rs

joydev/
event.rs
