63 lines
1.2 KiB
Rust
63 lines
1.2 KiB
Rust
use std::{mem, ptr, slice};
|
|
use libc::c_int;
|
|
use libc::{timeval, gettimeofday};
|
|
use nix::unistd;
|
|
use ffi::*;
|
|
use {Result as Res, Error, Event, event};
|
|
|
|
pub struct Device {
|
|
fd: c_int,
|
|
}
|
|
|
|
impl Device {
|
|
pub fn new(fd: c_int) -> Self {
|
|
Device {
|
|
fd: fd
|
|
}
|
|
}
|
|
|
|
fn write(&mut self, kind: c_int, code: c_int, value: c_int) -> Res<()> {
|
|
unsafe {
|
|
let mut event = input_event {
|
|
time: timeval { tv_sec: 0, tv_usec: 0 },
|
|
kind: kind as u16,
|
|
code: code as u16,
|
|
value: value as i32,
|
|
};
|
|
|
|
gettimeofday(&mut event.time, ptr::null_mut());
|
|
|
|
let ptr = &event as *const _ as *const u8;
|
|
let size = mem::size_of_val(&event);
|
|
|
|
try!(unistd::write(self.fd, slice::from_raw_parts(ptr, size)));
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub fn synchronize(&mut self) -> Res<()> {
|
|
self.write(EV_SYN, SYN_REPORT, 0)
|
|
}
|
|
|
|
pub fn press<T: event::Press>(&mut self, event: T) -> Res<()> {
|
|
self.write(event.kind(), event.code(), 1)
|
|
}
|
|
|
|
pub fn release<T: event::Release>(&mut self, event: T) -> Res<()> {
|
|
self.write(event.kind(), event.code(), 0)
|
|
}
|
|
|
|
pub fn position<T: event::Position>(&mut self, event: T, value: i32) -> Res<()> {
|
|
self.write(event.kind(), event.code(), value)
|
|
}
|
|
}
|
|
|
|
impl Drop for Device {
|
|
fn drop(&mut self) {
|
|
unsafe {
|
|
ui_dev_destroy(self.fd);
|
|
}
|
|
}
|
|
}
|