wip2
This commit is contained in:
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7dd042f34e
commit
2b0fda1c29
@ -13,6 +13,7 @@ keywords = ["linux", "input"]
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libc = "0.2"
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nix = "0.5"
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uinput-sys = "0.1"
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getopts = "*"
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[dependencies.libudev]
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optional = true
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@ -6,6 +6,7 @@ use nix::{self, fcntl, unistd, Errno};
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use nix::sys::stat;
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use ffi::*;
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use {Result as Res, Error, Device};
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use std::collections::hash_map::Values;
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#[cfg(feature = "udev")]
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use udev;
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@ -87,13 +88,17 @@ impl Builder {
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self
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}
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pub fn event(mut self) -> Res<Self> {
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pub fn event(mut self, key_codes: Values<&str, *const c_int>) -> Res<Self> {
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self.abs = None;
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//let test_ev_key : c_int = EV_KEY as c_int;
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unsafe {
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//try!(Errno::result(ui_set_evbit(self.fd, EV_KEY)));
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//try!(Errno::result(ui_set_keybit(self.fd, KEY_H)));
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ui_set_evbit(self.fd, &EV_KEY as *const c_int)?;
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ui_set_keybit(self.fd, &KEY_H as *const c_int)?;
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ui_set_evbit(self.fd, EV_KEY as *const c_int)?;
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//ui_set_keybit(self.fd, KEY_H as *const c_int)?;
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for key_code in key_codes {
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ui_set_keybit(self.fd, *key_code)?;
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}
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//try!(ui_set_keybit(self.fd, &KEY_H));
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}
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Ok(self)
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@ -28,6 +28,13 @@ impl Device {
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value: value as i32,
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};
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self.write_event(event)
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}
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}
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#[doc(hidden)]
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pub fn write_event(&self, mut event: input_event) -> Res<()> {
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unsafe {
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gettimeofday(&mut event.time, ptr::null_mut());
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let ptr = &event as *const _ as *const u8;
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357
src/main.rs
357
src/main.rs
@ -1,35 +1,348 @@
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extern crate uinput;
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extern crate uinput_sys as ffi;
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extern crate libc;
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extern crate getopts;
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#[macro_use]
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extern crate nix;
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use uinput::Device;
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use ffi::*;
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use libc::{c_int, input_event};
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use std::thread;
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use std::time::Duration;
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use std::collections::HashMap;
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use std::process::{exit, Command};
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use std::fs::File;
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use std::io::{Read};
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use std::{env, mem};
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use std::os::unix::io::AsRawFd;
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use getopts::Options;
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const VERSION: &'static str = env!("CARGO_PKG_VERSION");
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const EV_KEY_U16 : u16 = EV_KEY as u16;
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#[derive(Debug)]
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struct Config {
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device_file: String,
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log_file: String
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}
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impl Config {
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fn new(device_file: String, log_file: String) -> Self {
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Config { device_file: device_file, log_file: log_file }
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}
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}
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fn main() {
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let mut device = uinput::default().expect("1")
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.name("test").expect("2")
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.event().expect("3")
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//.event(uinput::event::Keyboard::All).unwrap()
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.create().expect("4");
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thread::sleep(Duration::from_secs(1));
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let key_map = KeyMap::key_map();
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device.click(EV_KEY, KEY_H).unwrap();
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/*
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device.click(&keyboard::Key::H).unwrap();
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device.click(&keyboard::Key::E).unwrap();
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device.click(&keyboard::Key::L).unwrap();
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device.click(&keyboard::Key::L).unwrap();
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device.click(&keyboard::Key::O).unwrap();
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device.click(&keyboard::Key::Space).unwrap();
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device.click(&keyboard::Key::W).unwrap();
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device.click(&keyboard::Key::O).unwrap();
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device.click(&keyboard::Key::R).unwrap();
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device.click(&keyboard::Key::L).unwrap();
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device.click(&keyboard::Key::D).unwrap();
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device.click(&keyboard::Key::Enter).unwrap();
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*/
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//println!("key_map: {:?}", key_map);
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device.synchronize().unwrap();
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let device = uinput::default().expect("1")
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.name("test").expect("2")
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.event(key_map.values()).expect("3")
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//.event(uinput::event::Keyboard::All).unwrap()
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.create().expect("4");
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let mut key_map = KeyMap::new();
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key_map.map(KEY_A, KEY_B);
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thread::sleep(Duration::from_secs(1));
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//device.click(EV_KEY, KEY_H).unwrap();
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//device.synchronize().unwrap();
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let config = parse_args();
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println!("Config: {:?}", config);
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let mut input_device = InputDevice::open(&config.device_file);
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input_device.grab();
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loop {
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let event = input_device.read_event();
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if event.type_ == EV_KEY_U16 {
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key_map.send_event(event, &device);
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/*
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println!("type: {} code: {}", event.type_, event.code);
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if event.code == KEY_A as u16 {
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event.code = KEY_B as u16;
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}
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*/
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} else {
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device.write_event(event).expect("could not write event?");
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}
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}
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}
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fn parse_args() -> Config {
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fn print_usage(program: &str, opts: Options) {
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let brief = format!("Usage: {} [options]", program);
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println!("{}", opts.usage(&brief));
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}
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let args: Vec<_> = env::args().collect();
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let mut opts = Options::new();
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opts.optflag("h", "help", "prints this help message");
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opts.optflag("v", "version", "prints the version");
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opts.optopt("d", "device", "specify the device file", "DEVICE");
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opts.optopt("f", "file", "specify the file to log to", "FILE");
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let matches = opts.parse(&args[1..]).unwrap_or_else(|e| panic!("{}", e));
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if matches.opt_present("h") {
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print_usage(&args[0], opts);
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exit(0);
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}
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if matches.opt_present("v") {
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println!("{}", VERSION);
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exit(0);
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}
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let device_file = matches.opt_str("d").unwrap_or_else(|| get_default_device());
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let log_file = matches.opt_str("f").unwrap_or("keys.log".to_owned());
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Config::new(device_file, log_file)
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}
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fn get_default_device() -> String {
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let mut filenames = get_keyboard_device_filenames();
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println!("Detected devices: {:?}", filenames);
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if filenames.len() == 1 {
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filenames.swap_remove(0)
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} else {
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panic!("The following keyboard devices were detected: {:?}. Please select one using \
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the `-d` flag", filenames);
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}
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}
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// Detects and returns the name of the keyboard device file. This function uses
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// the fact that all device information is shown in /proc/bus/input/devices and
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// the keyboard device file should always have an EV of 120013
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fn get_keyboard_device_filenames() -> Vec<String> {
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let mut command_str = "grep -E 'Handlers|EV' /proc/bus/input/devices".to_string();
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command_str.push_str("| grep -B1 120013");
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command_str.push_str("| grep -Eo event[0-9]+");
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let res = Command::new("sh").arg("-c").arg(command_str).output().unwrap_or_else(|e| {
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panic!("{}", e);
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});
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let res_str = std::str::from_utf8(&res.stdout).unwrap();
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let mut filenames = Vec::new();
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for file in res_str.trim().split('\n') {
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let mut filename = "/dev/input/".to_string();
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filename.push_str(file);
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filenames.push(filename);
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}
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filenames
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}
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// inputdevice stuff
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ioctl!(write eviocgrab with b'E', 0x90; c_int);
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// TODO: use size_of_input_event instead of hard-coding 24.
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const SIZE_OF_INPUT_EVENT : usize = 24;//mem::size_of::<input_event>();
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struct InputDevice {
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device_file : File,
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buf : [u8; SIZE_OF_INPUT_EVENT],
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}
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impl InputDevice {
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pub fn open(device_file : &str) -> Self {
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let device_file = File::open(device_file).unwrap_or_else(|e| panic!("{}", e));
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InputDevice {
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device_file: device_file,
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buf: [0u8; SIZE_OF_INPUT_EVENT],
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}
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}
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pub fn read_event(&mut self) -> input_event {
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let num_bytes = self.device_file.read(&mut self.buf).unwrap_or_else(|e| panic!("{}", e));
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if num_bytes != SIZE_OF_INPUT_EVENT {
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panic!("Error while reading from device file");
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}
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let event: input_event = unsafe { mem::transmute(self.buf) };
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event
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}
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pub fn grab(&mut self) {
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unsafe {
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eviocgrab(self.device_file.as_raw_fd(), 1 as *const c_int).expect("no grab?");
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}
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}
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pub fn release(&mut self) {
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unsafe {
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eviocgrab(self.device_file.as_raw_fd(), 0 as *const c_int).expect("no release?");
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}
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}
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}
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impl Drop for InputDevice {
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fn drop(&mut self) {
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self.release();
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}
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}
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// keymapper stuff
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trait KeyMapper {
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fn send_event(&self, event: input_event, device: &Device);
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}
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// 249 is one more than KEY_MICMUTE which is max key in uinput-sys event.rs
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const KEY_MAX : usize = 249;
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struct KeyMap {
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keymap: [u16; KEY_MAX],
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}
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impl KeyMap {
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pub fn key_map() -> HashMap<&'static str, *const c_int> {
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[
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("Reserved", KEY_RESERVED),
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("Esc", KEY_ESC),
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("_1", KEY_1),
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("_2", KEY_2),
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("_3", KEY_3),
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("_4", KEY_4),
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("_5", KEY_5),
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("_6", KEY_6),
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("_7", KEY_7),
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("_8", KEY_8),
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("_9", KEY_9),
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("_0", KEY_10),
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("Minus", KEY_MINUS),
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("Equal", KEY_EQUAL),
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("BackSpace", KEY_BACKSPACE),
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("Tab", KEY_TAB),
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("Q", KEY_Q),
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("W", KEY_W),
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("E", KEY_E),
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("R", KEY_R),
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("T", KEY_T),
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("Y", KEY_Y),
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("U", KEY_U),
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("I", KEY_I),
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("O", KEY_O),
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("P", KEY_P),
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("LeftBrace", KEY_LEFTBRACE),
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("RightBrace", KEY_RIGHTBRACE),
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("Enter", KEY_ENTER),
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("LeftControl", KEY_LEFTCTRL),
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("A", KEY_A),
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("S", KEY_S),
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("D", KEY_D),
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("F", KEY_F),
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("G", KEY_G),
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("H", KEY_H),
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("J", KEY_J),
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("K", KEY_K),
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("L", KEY_L),
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("SemiColon", KEY_SEMICOLON),
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("Apostrophe", KEY_APOSTROPHE),
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("Grave", KEY_GRAVE),
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("LeftShift", KEY_LEFTSHIFT),
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("BackSlash", KEY_BACKSLASH),
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("Z", KEY_Z),
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("X", KEY_X),
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("C", KEY_C),
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("V", KEY_V),
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("B", KEY_B),
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("N", KEY_N),
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("M", KEY_M),
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("Comma", KEY_COMMA),
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("Dot", KEY_DOT),
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("Slash", KEY_SLASH),
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("RightShift", KEY_RIGHTSHIFT),
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("LeftAlt", KEY_LEFTALT),
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("Space", KEY_SPACE),
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("CapsLock", KEY_CAPSLOCK),
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("F1", KEY_F1),
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("F2", KEY_F2),
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("F3", KEY_F3),
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("F4", KEY_F4),
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("F5", KEY_F5),
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("F6", KEY_F6),
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("F7", KEY_F7),
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("F8", KEY_F8),
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("F9", KEY_F9),
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("F10", KEY_F10),
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("NumLock", KEY_NUMLOCK),
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("ScrollLock", KEY_SCROLLLOCK),
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("F11", KEY_F11),
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("F12", KEY_F12),
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("RightControl", KEY_RIGHTCTRL),
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("SysRq", KEY_SYSRQ),
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("RightAlt", KEY_RIGHTALT),
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("LineFeed", KEY_LINEFEED),
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("Home", KEY_HOME),
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("Up", KEY_UP),
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("PageUp", KEY_PAGEUP),
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("Left", KEY_LEFT),
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("Right", KEY_RIGHT),
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("End", KEY_END),
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("Down", KEY_DOWN),
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("PageDown", KEY_PAGEDOWN),
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("Insert", KEY_INSERT),
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("Delete", KEY_DELETE),
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("LeftMeta", KEY_LEFTMETA),
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("RightMeta", KEY_RIGHTMETA),
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("ScrollUp", KEY_SCROLLUP),
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("ScrollDown", KEY_SCROLLDOWN),
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("F13", KEY_F13),
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("F14", KEY_F14),
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("F15", KEY_F15),
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("F16", KEY_F16),
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("F17", KEY_F17),
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("F18", KEY_F18),
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("F19", KEY_F19),
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("F20", KEY_F20),
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("F21", KEY_F21),
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("F22", KEY_F22),
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("F23", KEY_F23),
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("F24", KEY_F24),
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].iter().cloned().map(|(m, v)| (m, v as *const c_int)).collect()
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}
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pub fn new() -> Self {
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let mut keymap = [0u16; KEY_MAX];
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// which is rustier
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/*
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for x in 0..KEY_MAX {
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keymap[x as usize] = x as u16;
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}
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*/
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for (x, v) in keymap.iter_mut().enumerate() {
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*v = x as u16;
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}
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println!("keymap: {:?}", &keymap[..]);
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KeyMap {
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keymap: keymap
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}
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}
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pub fn map(&mut self, from : c_int, to: c_int) {
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self.keymap[from as usize] = to as u16;
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}
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}
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impl KeyMapper for KeyMap {
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fn send_event(&self, mut event: input_event, device: &Device) {
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event.code = self.keymap[event.code as usize];
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device.write_event(event).expect("could not write event?");
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}
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}
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