647 lines
21 KiB
Rust
647 lines
21 KiB
Rust
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 key_map_config = parse_cfg("keymap.toml").expect("provided config cannot be found/parsed");
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//println!("key_map_config: {:?}", key_map_config);
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let key_map = KeyMap::key_map();
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//println!("key_map: {:?}", key_map);
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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 key_map = KeyMaps::new(&key_map, key_map_config);
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//println!("keymaps: {:?}", keymaps);
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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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struct KeyMaps {
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keymaps: Vec<KeyMap>,
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}
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fn parse_keymap(key_map: &HashMap<&'static str, *const c_int>, keymap: &str) -> Vec<u16> {
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keymap.split(",").map(|k|
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match key_map.get(k.trim()) {
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Some(key_code) => *key_code as u16,
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None => panic!("unknown key: {}", k.trim())
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}
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).collect()
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}
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impl KeyMaps {
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pub fn new(key_map: &HashMap<&'static str, *const c_int>, config: KeymapConfig) -> KeyMaps {
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if config.keymaps.len() < 2 {
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panic!("must have at least 2 keymaps (original and mapped) but only have {},", config.keymaps.len());
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}
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let base_keymap = parse_keymap(key_map, &config.keymaps[0]);
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println!("base_keymap : {:?}", base_keymap);
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let mut keymaps = vec!(KeyMap::new());
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for (x, v) in config.keymaps.iter().enumerate() {
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if x == 0 {
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continue;
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}
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let v = parse_keymap(key_map, v);
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println!("config.keymaps[{}]: {:?}", x, v);
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if v.len() != base_keymap.len() {
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panic!("all keymaps must be the same length, keymap index 0 length: {}, index {} length: {},", base_keymap.len(), x, v.len());
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}
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let mut keymap = KeyMap::new();
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for(i, key_code) in v.iter().enumerate() {
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keymap.map(base_keymap[i], *key_code);
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}
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println!("keymap[{}]: {:?}", x, &keymap.keymap[..]);
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keymaps.push(keymap);
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}
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//println!("keymaps: {:?}", keymaps);
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KeyMaps {
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keymaps: keymaps
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}
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}
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}
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impl KeyMapper for KeyMaps {
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fn send_event(&self, event: input_event, device: &Device) {
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//println!("type: {} code: {}", event.type_, event.code);
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self.keymaps[1].send_event(event, device);
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}
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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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// generated like:
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// grep -o 'KEY_[^ :;]*' ~/.cargo/registry/src/github.com-1ecc6299db9ec823/uinput-sys-0.1.3/src/events.rs | sed 's/^KEY_//' | awk '{print "(\""$1"\", KEY_"$1"),"}'
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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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("10", 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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("LEFTCTRL", 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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("KPASTERISK", KEY_KPASTERISK),
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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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("KP7", KEY_KP7),
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("KP8", KEY_KP8),
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("KP9", KEY_KP9),
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("KPMINUS", KEY_KPMINUS),
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("KP4", KEY_KP4),
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("KP5", KEY_KP5),
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("KP6", KEY_KP6),
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("KPPLUS", KEY_KPPLUS),
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("KP1", KEY_KP1),
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("KP2", KEY_KP2),
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("KP3", KEY_KP3),
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("KP0", KEY_KP0),
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("KPDOT", KEY_KPDOT),
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("ZENKAKUHANKAKU", KEY_ZENKAKUHANKAKU),
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("102ND", KEY_102ND),
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("F11", KEY_F11),
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("F12", KEY_F12),
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("RO", KEY_RO),
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("KATAKANA", KEY_KATAKANA),
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("HIRAGANA", KEY_HIRAGANA),
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("HENKAN", KEY_HENKAN),
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("KATAKANAHIRAGANA", KEY_KATAKANAHIRAGANA),
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("MUHENKAN", KEY_MUHENKAN),
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("KPJPCOMMA", KEY_KPJPCOMMA),
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("KPENTER", KEY_KPENTER),
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("RIGHTCTRL", KEY_RIGHTCTRL),
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("KPSLASH", KEY_KPSLASH),
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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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("MACRO", KEY_MACRO),
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("MUTE", KEY_MUTE),
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("VOLUMEDOWN", KEY_VOLUMEDOWN),
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("VOLUMEUP", KEY_VOLUMEUP),
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("POWER", KEY_POWER),
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("KPEQUAL", KEY_KPEQUAL),
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("KPPLUSMINUS", KEY_KPPLUSMINUS),
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("PAUSE", KEY_PAUSE),
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("SCALE", KEY_SCALE),
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("KPCOMMA", KEY_KPCOMMA),
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("HANGEUL", KEY_HANGEUL),
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("HANGUEL", KEY_HANGUEL),
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("HANGEUL", KEY_HANGEUL),
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("HANJA", KEY_HANJA),
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("YEN", KEY_YEN),
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("LEFTMETA", KEY_LEFTMETA),
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("RIGHTMETA", KEY_RIGHTMETA),
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("COMPOSE", KEY_COMPOSE),
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("STOP", KEY_STOP),
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("AGAIN", KEY_AGAIN),
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("PROPS", KEY_PROPS),
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("UNDO", KEY_UNDO),
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("FRONT", KEY_FRONT),
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("COPY", KEY_COPY),
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("OPEN", KEY_OPEN),
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("PASTE", KEY_PASTE),
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("FIND", KEY_FIND),
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("CUT", KEY_CUT),
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("HELP", KEY_HELP),
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("MENU", KEY_MENU),
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("CALC", KEY_CALC),
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("SETUP", KEY_SETUP),
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("SLEEP", KEY_SLEEP),
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("WAKEUP", KEY_WAKEUP),
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("FILE", KEY_FILE),
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("SENDFILE", KEY_SENDFILE),
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("DELETEFILE", KEY_DELETEFILE),
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("XFER", KEY_XFER),
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("PROG1", KEY_PROG1),
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("PROG2", KEY_PROG2),
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("WWW", KEY_WWW),
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("MSDOS", KEY_MSDOS),
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("COFFEE", KEY_COFFEE),
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("SCREENLOCK", KEY_SCREENLOCK),
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("COFFEE", KEY_COFFEE),
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("ROTATE_DISPLAY", KEY_ROTATE_DISPLAY),
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("DIRECTION", KEY_DIRECTION),
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("ROTATE_DISPLAY", KEY_ROTATE_DISPLAY),
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("CYCLEWINDOWS", KEY_CYCLEWINDOWS),
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("MAIL", KEY_MAIL),
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("BOOKMARKS", KEY_BOOKMARKS),
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("COMPUTER", KEY_COMPUTER),
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("BACK", KEY_BACK),
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("FORWARD", KEY_FORWARD),
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("CLOSECD", KEY_CLOSECD),
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("EJECTCD", KEY_EJECTCD),
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("EJECTCLOSECD", KEY_EJECTCLOSECD),
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("NEXTSONG", KEY_NEXTSONG),
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("PLAYPAUSE", KEY_PLAYPAUSE),
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("PREVIOUSSONG", KEY_PREVIOUSSONG),
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("STOPCD", KEY_STOPCD),
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("RECORD", KEY_RECORD),
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("REWIND", KEY_REWIND),
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("PHONE", KEY_PHONE),
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("ISO", KEY_ISO),
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("CONFIG", KEY_CONFIG),
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("HOMEPAGE", KEY_HOMEPAGE),
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("REFRESH", KEY_REFRESH),
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("EXIT", KEY_EXIT),
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("MOVE", KEY_MOVE),
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("EDIT", KEY_EDIT),
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("SCROLLUP", KEY_SCROLLUP),
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("SCROLLDOWN", KEY_SCROLLDOWN),
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("KPLEFTPAREN", KEY_KPLEFTPAREN),
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("KPRIGHTPAREN", KEY_KPRIGHTPAREN),
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("NEW", KEY_NEW),
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("REDO", KEY_REDO),
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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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("PLAYCD", KEY_PLAYCD),
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("PAUSECD", KEY_PAUSECD),
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("PROG3", KEY_PROG3),
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("PROG4", KEY_PROG4),
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("DASHBOARD", KEY_DASHBOARD),
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("SUSPEND", KEY_SUSPEND),
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("CLOSE", KEY_CLOSE),
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("PLAY", KEY_PLAY),
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("FASTFORWARD", KEY_FASTFORWARD),
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("BASSBOOST", KEY_BASSBOOST),
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("PRINT", KEY_PRINT),
|
|
("HP", KEY_HP),
|
|
("CAMERA", KEY_CAMERA),
|
|
("SOUND", KEY_SOUND),
|
|
("QUESTION", KEY_QUESTION),
|
|
("EMAIL", KEY_EMAIL),
|
|
("CHAT", KEY_CHAT),
|
|
("SEARCH", KEY_SEARCH),
|
|
("CONNECT", KEY_CONNECT),
|
|
("FINANCE", KEY_FINANCE),
|
|
("SPORT", KEY_SPORT),
|
|
("SHOP", KEY_SHOP),
|
|
("ALTERASE", KEY_ALTERASE),
|
|
("CANCEL", KEY_CANCEL),
|
|
("BRIGHTNESSDOWN", KEY_BRIGHTNESSDOWN),
|
|
("BRIGHTNESSUP", KEY_BRIGHTNESSUP),
|
|
("MEDIA", KEY_MEDIA),
|
|
("SWITCHVIDEOMODE", KEY_SWITCHVIDEOMODE),
|
|
("KBDILLUMTOGGLE", KEY_KBDILLUMTOGGLE),
|
|
("KBDILLUMDOWN", KEY_KBDILLUMDOWN),
|
|
("KBDILLUMUP", KEY_KBDILLUMUP),
|
|
("SEND", KEY_SEND),
|
|
("REPLY", KEY_REPLY),
|
|
("FORWARDMAIL", KEY_FORWARDMAIL),
|
|
("SAVE", KEY_SAVE),
|
|
("DOCUMENTS", KEY_DOCUMENTS),
|
|
("BATTERY", KEY_BATTERY),
|
|
("BLUETOOTH", KEY_BLUETOOTH),
|
|
("WLAN", KEY_WLAN),
|
|
("UWB", KEY_UWB),
|
|
("UNKNOWN", KEY_UNKNOWN),
|
|
("VIDEO_NEXT", KEY_VIDEO_NEXT),
|
|
("VIDEO_PREV", KEY_VIDEO_PREV),
|
|
("BRIGHTNESS_CYCLE", KEY_BRIGHTNESS_CYCLE),
|
|
("BRIGHTNESS_AUTO", KEY_BRIGHTNESS_AUTO),
|
|
("BRIGHTNESS_ZERO", KEY_BRIGHTNESS_ZERO),
|
|
("BRIGHTNESS_AUTO", KEY_BRIGHTNESS_AUTO),
|
|
("DISPLAY_OFF", KEY_DISPLAY_OFF),
|
|
("WWAN", KEY_WWAN),
|
|
("WIMAX", KEY_WIMAX),
|
|
("WWAN", KEY_WWAN),
|
|
("RFKILL", KEY_RFKILL),
|
|
("MICMUTE", KEY_MICMUTE),
|
|
|
|
// below manual shortcuts
|
|
("PSCR", KEY_SYSRQ),
|
|
("SLCK", KEY_SCROLLLOCK),
|
|
("BRK", KEY_PAUSE),
|
|
("GRV", KEY_GRAVE),
|
|
("0", KEY_10), // dumb or named wrong?
|
|
("MINS", KEY_MINUS),
|
|
("EQL", KEY_EQUAL),
|
|
("BSPC", KEY_BACKSPACE),
|
|
("LBRC", KEY_LEFTBRACE),
|
|
("RBRC", KEY_RIGHTBRACE),
|
|
("BSLS", KEY_BACKSLASH),
|
|
("SCLN", KEY_SEMICOLON),
|
|
("QUOT", KEY_APOSTROPHE),
|
|
("ENT", KEY_ENTER),
|
|
("COMM", KEY_COMMA),
|
|
("DOT", KEY_DOT),
|
|
("SLSH", KEY_SLASH),
|
|
|
|
("CAPS", KEY_CAPSLOCK),
|
|
("LSFT", KEY_LEFTSHIFT),
|
|
("RSFT", KEY_RIGHTSHIFT),
|
|
("SPC", KEY_SPACE),
|
|
("APP", KEY_COMPOSE), // todo: is this right?
|
|
|
|
("LCTL", KEY_LEFTCTRL),
|
|
("RCTL", KEY_RIGHTCTRL),
|
|
("LALT", KEY_LEFTALT),
|
|
("RALT", KEY_RIGHTALT),
|
|
("LGUI", KEY_LEFTMETA),
|
|
("RGUI", KEY_RIGHTMETA),
|
|
|
|
("INS", KEY_INSERT),
|
|
("PGUP", KEY_PAGEUP),
|
|
("PGDN", KEY_PAGEDOWN),
|
|
("DEL", KEY_DELETE),
|
|
|
|
("RGHT", KEY_RIGHT),
|
|
|
|
("NLCK", KEY_NUMLOCK),
|
|
("PSLS", KEY_KPSLASH),
|
|
("PAST", KEY_KPASTERISK),
|
|
("PMNS", KEY_KPMINUS),
|
|
("P7", KEY_KP7),
|
|
("P8", KEY_KP8),
|
|
("P9", KEY_KP9),
|
|
("P4", KEY_KP4),
|
|
("P5", KEY_KP5),
|
|
("P6", KEY_KP6),
|
|
("PPLS", KEY_KPPLUS),
|
|
("P1", KEY_KP1),
|
|
("P2", KEY_KP2),
|
|
("P3", KEY_KP3),
|
|
("P0", KEY_KP0),
|
|
("PDOT", KEY_KPDOT),
|
|
("PENT", KEY_KPENTER),
|
|
|
|
].iter().cloned().map(|(m, v)| (m, v as *const c_int)).collect()
|
|
}
|
|
|
|
pub fn new() -> Self {
|
|
let mut keymap = [0u16; KEY_MAX];
|
|
// which is rustier
|
|
/*
|
|
for x in 0..KEY_MAX {
|
|
keymap[x as usize] = x as u16;
|
|
}
|
|
*/
|
|
for (x, v) in keymap.iter_mut().enumerate() {
|
|
*v = x as u16;
|
|
}
|
|
//println!("keymap: {:?}", &keymap[..]);
|
|
KeyMap {
|
|
keymap: keymap
|
|
}
|
|
}
|
|
|
|
pub fn map(&mut self, from : u16, to: u16) {
|
|
self.keymap[from as usize] = to;
|
|
}
|
|
}
|
|
|
|
impl KeyMapper for KeyMap {
|
|
fn send_event(&self, mut event: input_event, device: &Device) {
|
|
event.code = self.keymap[event.code as usize];
|
|
device.write_event(event).expect("could not write event?");
|
|
}
|
|
}
|
|
|
|
#[macro_use]
|
|
extern crate serde_derive;
|
|
extern crate toml;
|
|
|
|
use std::path::Path;
|
|
|
|
#[derive(Deserialize, Debug)]
|
|
struct KeymapConfig {
|
|
switch_layout_keys: Vec<String>,
|
|
revert_default_key: String,
|
|
revert_keymap_index: usize,
|
|
default_keymap_index: usize,
|
|
caps_lock_modify: String,
|
|
keymaps: Vec<String>
|
|
}
|
|
|
|
use std::io::{Error, ErrorKind};
|
|
|
|
fn parse_cfg<P: AsRef<Path>>(path: P) -> Result<KeymapConfig, Error> {
|
|
let mut f = File::open(path)?;
|
|
let mut input = String::new();
|
|
f.read_to_string(&mut input)?;
|
|
//toml::from_str(&input)?
|
|
match toml::from_str(&input) {
|
|
Ok(toml) => Ok(toml),
|
|
Err(_) => Err(Error::new(ErrorKind::Other, "oh no!"))
|
|
}
|
|
}
|