device: add general event sender

src/device/device.rs

@@ -4,6 +4,7 @@ use libc::{timeval, gettimeofday};
 use nix::unistd;
 use ffi::*;
 use {Result as Res, event};
+use event::{Kind, Code};
 
 /// The virtual device.
 pub struct Device {
@@ -44,6 +45,12 @@ impl Device {
 		self.write(EV_SYN, SYN_REPORT, 0)
 	}
 
+	/// Send an event.
+	pub fn send<T: Into<event::Event>>(&mut self, event: T, value: i32) -> Res<()> {
+		let event = event.into();
+		self.write(event.kind(), event.code(), value)
+	}
+
 	/// Send a press event.
 	pub fn press<T: event::Press>(&mut self, event: &T) -> Res<()> {
 		self.write(event.kind(), event.code(), 1)