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First part of re-factoring towards platform-agnostic keymapper.rs

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This commit is contained in:
Travis Burtrum 2019-10-05 19:39:54 -04:00
parent e02b59f55d
commit 50b84dea0a
8 changed files with 552 additions and 545 deletions
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316
src/keymapper.rs
View File

@ -1,8 +1,7 @@
use crate::Device;
use uinput_sys::*;
use libc::{c_int, input_event};
use uinput_sys::{KEY_LEFTSHIFT, KEY_RIGHTSHIFT, KEY_CAPSLOCK};
use std::fs::File;
use std::io::Read;
@ -421,316 +420,3 @@ fn parse_cfg<P: AsRef<Path>>(path: P) -> Result<KeymapConfig> {
Err(_) => Err(Error::NotFound) // todo: something better
}
}
impl KeyMaps {
pub fn key_map() -> HashMap<&'static str, c_int> {
[
// generated like:
// 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"),"}'
("RESERVED", KEY_RESERVED),
("ESC", KEY_ESC),
("1", KEY_1),
("2", KEY_2),
("3", KEY_3),
("4", KEY_4),
("5", KEY_5),
("6", KEY_6),
("7", KEY_7),
("8", KEY_8),
("9", KEY_9),
("10", KEY_10),
("MINUS", KEY_MINUS),
("EQUAL", KEY_EQUAL),
("BACKSPACE", KEY_BACKSPACE),
("TAB", KEY_TAB),
("Q", KEY_Q),
("W", KEY_W),
("E", KEY_E),
("R", KEY_R),
("T", KEY_T),
("Y", KEY_Y),
("U", KEY_U),
("I", KEY_I),
("O", KEY_O),
("P", KEY_P),
("LEFTBRACE", KEY_LEFTBRACE),
("RIGHTBRACE", KEY_RIGHTBRACE),
("ENTER", KEY_ENTER),
("LEFTCTRL", KEY_LEFTCTRL),
("A", KEY_A),
("S", KEY_S),
("D", KEY_D),
("F", KEY_F),
("G", KEY_G),
("H", KEY_H),
("J", KEY_J),
("K", KEY_K),
("L", KEY_L),
("SEMICOLON", KEY_SEMICOLON),
("APOSTROPHE", KEY_APOSTROPHE),
("GRAVE", KEY_GRAVE),
("LEFTSHIFT", KEY_LEFTSHIFT),
("BACKSLASH", KEY_BACKSLASH),
("Z", KEY_Z),
("X", KEY_X),
("C", KEY_C),
("V", KEY_V),
("B", KEY_B),
("N", KEY_N),
("M", KEY_M),
("COMMA", KEY_COMMA),
("DOT", KEY_DOT),
("SLASH", KEY_SLASH),
("RIGHTSHIFT", KEY_RIGHTSHIFT),
("KPASTERISK", KEY_KPASTERISK),
("LEFTALT", KEY_LEFTALT),
("SPACE", KEY_SPACE),
("CAPSLOCK", KEY_CAPSLOCK),
("F1", KEY_F1),
("F2", KEY_F2),
("F3", KEY_F3),
("F4", KEY_F4),
("F5", KEY_F5),
("F6", KEY_F6),
("F7", KEY_F7),
("F8", KEY_F8),
("F9", KEY_F9),
("F10", KEY_F10),
("NUMLOCK", KEY_NUMLOCK),
("SCROLLLOCK", KEY_SCROLLLOCK),
("KP7", KEY_KP7),
("KP8", KEY_KP8),
("KP9", KEY_KP9),
("KPMINUS", KEY_KPMINUS),
("KP4", KEY_KP4),
("KP5", KEY_KP5),
("KP6", KEY_KP6),
("KPPLUS", KEY_KPPLUS),
("KP1", KEY_KP1),
("KP2", KEY_KP2),
("KP3", KEY_KP3),
("KP0", KEY_KP0),
("KPDOT", KEY_KPDOT),
("ZENKAKUHANKAKU", KEY_ZENKAKUHANKAKU),
("102ND", KEY_102ND),
("F11", KEY_F11),
("F12", KEY_F12),
("RO", KEY_RO),
("KATAKANA", KEY_KATAKANA),
("HIRAGANA", KEY_HIRAGANA),
("HENKAN", KEY_HENKAN),
("KATAKANAHIRAGANA", KEY_KATAKANAHIRAGANA),
("MUHENKAN", KEY_MUHENKAN),
("KPJPCOMMA", KEY_KPJPCOMMA),
("KPENTER", KEY_KPENTER),
("RIGHTCTRL", KEY_RIGHTCTRL),
("KPSLASH", KEY_KPSLASH),
("SYSRQ", KEY_SYSRQ),
("RIGHTALT", KEY_RIGHTALT),
("LINEFEED", KEY_LINEFEED),
("HOME", KEY_HOME),
("UP", KEY_UP),
("PAGEUP", KEY_PAGEUP),
("LEFT", KEY_LEFT),
("RIGHT", KEY_RIGHT),
("END", KEY_END),
("DOWN", KEY_DOWN),
("PAGEDOWN", KEY_PAGEDOWN),
("INSERT", KEY_INSERT),
("DELETE", KEY_DELETE),
("MACRO", KEY_MACRO),
("MUTE", KEY_MUTE),
("VOLUMEDOWN", KEY_VOLUMEDOWN),
("VOLUMEUP", KEY_VOLUMEUP),
("POWER", KEY_POWER),
("KPEQUAL", KEY_KPEQUAL),
("KPPLUSMINUS", KEY_KPPLUSMINUS),
("PAUSE", KEY_PAUSE),
("SCALE", KEY_SCALE),
("KPCOMMA", KEY_KPCOMMA),
("HANGEUL", KEY_HANGEUL),
("HANGUEL", KEY_HANGUEL),
("HANGEUL", KEY_HANGEUL),
("HANJA", KEY_HANJA),
("YEN", KEY_YEN),
("LEFTMETA", KEY_LEFTMETA),
("RIGHTMETA", KEY_RIGHTMETA),
("COMPOSE", KEY_COMPOSE),
("STOP", KEY_STOP),
("AGAIN", KEY_AGAIN),
("PROPS", KEY_PROPS),
("UNDO", KEY_UNDO),
("FRONT", KEY_FRONT),
("COPY", KEY_COPY),
("OPEN", KEY_OPEN),
("PASTE", KEY_PASTE),
("FIND", KEY_FIND),
("CUT", KEY_CUT),
("HELP", KEY_HELP),
("MENU", KEY_MENU),
("CALC", KEY_CALC),
("SETUP", KEY_SETUP),
("SLEEP", KEY_SLEEP),
("WAKEUP", KEY_WAKEUP),
("FILE", KEY_FILE),
("SENDFILE", KEY_SENDFILE),
("DELETEFILE", KEY_DELETEFILE),
("XFER", KEY_XFER),
("PROG1", KEY_PROG1),
("PROG2", KEY_PROG2),
("WWW", KEY_WWW),
("MSDOS", KEY_MSDOS),
("COFFEE", KEY_COFFEE),
("SCREENLOCK", KEY_SCREENLOCK),
("COFFEE", KEY_COFFEE),
("ROTATE_DISPLAY", KEY_ROTATE_DISPLAY),
("DIRECTION", KEY_DIRECTION),
("ROTATE_DISPLAY", KEY_ROTATE_DISPLAY),
("CYCLEWINDOWS", KEY_CYCLEWINDOWS),
("MAIL", KEY_MAIL),
("BOOKMARKS", KEY_BOOKMARKS),
("COMPUTER", KEY_COMPUTER),
("BACK", KEY_BACK),
("FORWARD", KEY_FORWARD),
("CLOSECD", KEY_CLOSECD),
("EJECTCD", KEY_EJECTCD),
("EJECTCLOSECD", KEY_EJECTCLOSECD),
("NEXTSONG", KEY_NEXTSONG),
("PLAYPAUSE", KEY_PLAYPAUSE),
("PREVIOUSSONG", KEY_PREVIOUSSONG),
("STOPCD", KEY_STOPCD),
("RECORD", KEY_RECORD),
("REWIND", KEY_REWIND),
("PHONE", KEY_PHONE),
("ISO", KEY_ISO),
("CONFIG", KEY_CONFIG),
("HOMEPAGE", KEY_HOMEPAGE),
("REFRESH", KEY_REFRESH),
("EXIT", KEY_EXIT),
("MOVE", KEY_MOVE),
("EDIT", KEY_EDIT),
("SCROLLUP", KEY_SCROLLUP),
("SCROLLDOWN", KEY_SCROLLDOWN),
("KPLEFTPAREN", KEY_KPLEFTPAREN),
("KPRIGHTPAREN", KEY_KPRIGHTPAREN),
("NEW", KEY_NEW),
("REDO", KEY_REDO),
("F13", KEY_F13),
("F14", KEY_F14),
("F15", KEY_F15),
("F16", KEY_F16),
("F17", KEY_F17),
("F18", KEY_F18),
("F19", KEY_F19),
("F20", KEY_F20),
("F21", KEY_F21),
("F22", KEY_F22),
("F23", KEY_F23),
("F24", KEY_F24),
("PLAYCD", KEY_PLAYCD),
("PAUSECD", KEY_PAUSECD),
("PROG3", KEY_PROG3),
("PROG4", KEY_PROG4),
("DASHBOARD", KEY_DASHBOARD),
("SUSPEND", KEY_SUSPEND),
("CLOSE", KEY_CLOSE),
("PLAY", KEY_PLAY),
("FASTFORWARD", KEY_FASTFORWARD),
("BASSBOOST", KEY_BASSBOOST),
("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),
("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)).collect()
}
}

18
src/lib.rs
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@ -1,6 +1,6 @@
#![recursion_limit = "1000"]
use std::path::Path;
pub const VERSION: &'static str = env!("CARGO_PKG_VERSION");
pub mod error;
pub use error::Error;
@ -10,15 +10,7 @@ pub type Result<T> = ::std::result::Result<T, Error>;
pub mod keymapper;
pub use keymapper::KeyMaps;
pub mod device;
pub use device::{Device,InputDevice};
/// Open the default uinput device.
pub fn default() -> Result<device::Builder> {
device::Builder::default()
}
/// Open the specified uinput device.
pub fn open<P: AsRef<Path>>(path: P) -> Result<device::Builder> {
device::Builder::open(path)
}
#[cfg(target_os = "linux")]
mod linux;
#[cfg(target_os = "linux")]
pub use linux::*;

0
src/device/builder.rs → src/linux/device/builder.rs
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0
src/device/device.rs → src/linux/device/device.rs
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0
src/device/input_device.rs → src/linux/device/input_device.rs
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0
src/device/mod.rs → src/linux/device/mod.rs
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545
src/linux/mod.rs Normal file
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@ -0,0 +1,545 @@
use crate::*;
use std::path::Path;
pub mod device;
pub use device::{Device,InputDevice};
/// Open the default uinput device.
pub fn default() -> Result<device::Builder> {
device::Builder::default()
}
/// Open the specified uinput device.
pub fn open<P: AsRef<Path>>(path: P) -> Result<device::Builder> {
device::Builder::open(path)
}
use uinput_sys::*;
use libc::input_event;
use std::process::exit;
use std::{env, thread};
use std::sync::mpsc;
use std::sync::mpsc::Sender;
use getopts::Options;
use inotify::{
EventMask,
Inotify,
WatchMask,
};
use std::collections::HashMap;
use std::os::raw::c_int;
const VERSION: &'static str = env!("CARGO_PKG_VERSION");
const EV_KEY_U16: u16 = EV_KEY as u16;
#[derive(Debug)]
struct Config {
device_files: Vec<String>,
config_file: String
}
impl Config {
fn new(device_files: Vec<String>, config_file: String) -> Self {
Config { device_files: device_files, config_file: config_file }
}
}
pub fn main_res() -> Result<()> {
let config = parse_args();
//println!("Config: {:?}", config);
let key_map = key_map();
//println!("key_map: {:?}", key_map);
let device = open("/dev/uinput")
.or_else(|_| open("/dev/input/uinput"))
.or_else(|_| default())?
.name("rusty-keys")?
.event(key_map.values())?
.create()?;
let mut key_map = KeyMaps::from_cfg(&key_map, &config.config_file);
//println!("keymaps: {:?}", keymaps);
if config.device_files.len() == 1 {
// shortcut, don't bother with threads
let mut input_device = InputDevice::open(&config.device_files[0])?;
input_device.grab()?;
loop {
let event = input_device.read_event()?;
send_event(&mut key_map, event, &device)?
}
} else {
// start up some intra thread communication
let (tx, rx) = mpsc::channel();
if config.device_files.len() > 0 {
// we only want to operate on device files sent in then quit
for device_file in config.device_files.iter() {
let device_file = device_file.clone();
let tx = tx.clone();
thread::spawn(move || {
let ret = spawn_map_thread(tx, &device_file);
if let Err(e) = ret {
println!("mapping for {} ended due to error: {}", device_file, e);
}
});
}
} else {
let tx = tx.clone();
thread::spawn(move || {
// we want to wait forever starting new threads for any new keyboard devices
let mut inotify = Inotify::init().expect("Failed to initialize inotify");
inotify.add_watch("/dev/input/", WatchMask::CREATE).expect("Failed to add inotify watch");
let device_files = get_keyboard_device_filenames();
println!("Detected devices: {:?}", device_files);
for device_file in device_files.iter() {
inotify_spawn_thread(&tx, device_file);
}
let mut buffer = [0u8; 4096];
loop {
let events = inotify.read_events_blocking(&mut buffer);
if let Ok(events) = events {
for event in events {
if !event.mask.contains(EventMask::ISDIR) {
if let Some(device_file) = event.name.and_then(|name|name.to_str()) {
// check if this is an eligible keyboard device
let device_files = get_keyboard_device_filenames();
if !device_files.contains(&device_file.to_string()) {
continue;
}
println!("starting mapping thread for: {}", device_file);
inotify_spawn_thread(&tx, device_file.clone());
}
}
}
}
}
});
}
drop(tx); // drop our last one, so when the threads finish, everything stops
// process all events
for event in rx {
send_event(&mut key_map, event, &device)?
}
}
Ok(())
}
fn send_event(key_map: &mut KeyMaps, mut event: input_event, device: &Device) -> Result<()> {
if event.type_ == EV_KEY_U16 {
key_map.send_event(&mut event, &device)?
} else {
device.write_event(&mut event)?
}
Ok(())
}
fn inotify_spawn_thread(tx: &Sender<input_event>, device_file: &str) {
let mut filename = "/dev/input/".to_string();
filename.push_str(&device_file);
let tx = tx.clone();
thread::spawn(move || {
let ret = spawn_map_thread(tx, &filename);
if let Err(e) = ret {
println!("mapping for {} ended due to error: {}", filename, e);
}
});
}
fn spawn_map_thread(tx: Sender<input_event>, device_file: &str) -> Result<()> {
let mut input_device = InputDevice::open(device_file)?;
input_device.grab()?;
loop {
let event = input_device.read_event()?;
tx.send(event)?
}
}
fn parse_args() -> Config {
fn print_usage(program: &str, opts: Options) {
let brief = format!("Usage: {} [options] [device_files...]", program);
println!("{}", opts.usage(&brief));
}
let args: Vec<_> = env::args().collect();
let mut opts = Options::new();
opts.optflag("h", "help", "prints this help message");
opts.optflag("v", "version", "prints the version");
opts.optopt("c", "config", "specify the keymap config file to use (default: /etc/rusty-keys/keymap.toml)", "FILE");
let matches = opts.parse(&args[1..]);
if matches.is_err() {
print_usage(&args[0], opts);
exit(0);
}
let matches = matches.unwrap();
if matches.opt_present("h") {
print_usage(&args[0], opts);
exit(0);
}
if matches.opt_present("v") {
println!("rusty-keys {}", VERSION);
exit(0);
}
let config_file = matches.opt_str("c").unwrap_or("/etc/rusty-keys/keymap.toml".to_owned());
Config::new(matches.free, config_file)
}
// Detects and returns the name of the keyboard device file. This function uses
// the fact that all device information is shown in /proc/bus/input/devices and
// the keyboard device file should always have an EV of 120013
// grep -E 'Handlers|EV' /proc/bus/input/devices | grep -B1 120013 | grep -Eo event[0-9]+
fn get_keyboard_device_filenames() -> Vec<String> {
use std::io::BufReader;
use std::io::prelude::*;
use std::fs::File;
let f = File::open("/proc/bus/input/devices");
if f.is_err() {
return Vec::new();
}
let f = BufReader::new(f.unwrap());
let mut filename = None;
let mut filenames = Vec::new();
for line in f.lines() {
if let Ok(line) = line {
if line.starts_with("H: Handlers=") {
if let Some(event_index) = line.find("event") {
let last_index = line[event_index..line.len()-1].find(" ").and_then(|i| Some(i + event_index)).unwrap_or(line.len() - 1);
filename = Some(line[event_index..last_index].to_owned());
}
} else if line.starts_with("B: EV=") && line.contains("120013") {
if let Some(ref filename) = filename {
filenames.push(filename.clone());
}
}
}
}
filenames
}
pub fn key_map() -> HashMap<&'static str, c_int> {
[
// generated like:
// 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"),"}'
("RESERVED", KEY_RESERVED),
("ESC", KEY_ESC),
("1", KEY_1),
("2", KEY_2),
("3", KEY_3),
("4", KEY_4),
("5", KEY_5),
("6", KEY_6),
("7", KEY_7),
("8", KEY_8),
("9", KEY_9),
("10", KEY_10),
("MINUS", KEY_MINUS),
("EQUAL", KEY_EQUAL),
("BACKSPACE", KEY_BACKSPACE),
("TAB", KEY_TAB),
("Q", KEY_Q),
("W", KEY_W),
("E", KEY_E),
("R", KEY_R),
("T", KEY_T),
("Y", KEY_Y),
("U", KEY_U),
("I", KEY_I),
("O", KEY_O),
("P", KEY_P),
("LEFTBRACE", KEY_LEFTBRACE),
("RIGHTBRACE", KEY_RIGHTBRACE),
("ENTER", KEY_ENTER),
("LEFTCTRL", KEY_LEFTCTRL),
("A", KEY_A),
("S", KEY_S),
("D", KEY_D),
("F", KEY_F),
("G", KEY_G),
("H", KEY_H),
("J", KEY_J),
("K", KEY_K),
("L", KEY_L),
("SEMICOLON", KEY_SEMICOLON),
("APOSTROPHE", KEY_APOSTROPHE),
("GRAVE", KEY_GRAVE),
("LEFTSHIFT", KEY_LEFTSHIFT),
("BACKSLASH", KEY_BACKSLASH),
("Z", KEY_Z),
("X", KEY_X),
("C", KEY_C),
("V", KEY_V),
("B", KEY_B),
("N", KEY_N),
("M", KEY_M),
("COMMA", KEY_COMMA),
("DOT", KEY_DOT),
("SLASH", KEY_SLASH),
("RIGHTSHIFT", KEY_RIGHTSHIFT),
("KPASTERISK", KEY_KPASTERISK),
("LEFTALT", KEY_LEFTALT),
("SPACE", KEY_SPACE),
("CAPSLOCK", KEY_CAPSLOCK),
("F1", KEY_F1),
("F2", KEY_F2),
("F3", KEY_F3),
("F4", KEY_F4),
("F5", KEY_F5),
("F6", KEY_F6),
("F7", KEY_F7),
("F8", KEY_F8),
("F9", KEY_F9),
("F10", KEY_F10),
("NUMLOCK", KEY_NUMLOCK),
("SCROLLLOCK", KEY_SCROLLLOCK),
("KP7", KEY_KP7),
("KP8", KEY_KP8),
("KP9", KEY_KP9),
("KPMINUS", KEY_KPMINUS),
("KP4", KEY_KP4),
("KP5", KEY_KP5),
("KP6", KEY_KP6),
("KPPLUS", KEY_KPPLUS),
("KP1", KEY_KP1),
("KP2", KEY_KP2),
("KP3", KEY_KP3),
("KP0", KEY_KP0),
("KPDOT", KEY_KPDOT),
("ZENKAKUHANKAKU", KEY_ZENKAKUHANKAKU),
("102ND", KEY_102ND),
("F11", KEY_F11),
("F12", KEY_F12),
("RO", KEY_RO),
("KATAKANA", KEY_KATAKANA),
("HIRAGANA", KEY_HIRAGANA),
("HENKAN", KEY_HENKAN),
("KATAKANAHIRAGANA", KEY_KATAKANAHIRAGANA),
("MUHENKAN", KEY_MUHENKAN),
("KPJPCOMMA", KEY_KPJPCOMMA),
("KPENTER", KEY_KPENTER),
("RIGHTCTRL", KEY_RIGHTCTRL),
("KPSLASH", KEY_KPSLASH),
("SYSRQ", KEY_SYSRQ),
("RIGHTALT", KEY_RIGHTALT),
("LINEFEED", KEY_LINEFEED),
("HOME", KEY_HOME),
("UP", KEY_UP),
("PAGEUP", KEY_PAGEUP),
("LEFT", KEY_LEFT),
("RIGHT", KEY_RIGHT),
("END", KEY_END),
("DOWN", KEY_DOWN),
("PAGEDOWN", KEY_PAGEDOWN),
("INSERT", KEY_INSERT),
("DELETE", KEY_DELETE),
("MACRO", KEY_MACRO),
("MUTE", KEY_MUTE),
("VOLUMEDOWN", KEY_VOLUMEDOWN),
("VOLUMEUP", KEY_VOLUMEUP),
("POWER", KEY_POWER),
("KPEQUAL", KEY_KPEQUAL),
("KPPLUSMINUS", KEY_KPPLUSMINUS),
("PAUSE", KEY_PAUSE),
("SCALE", KEY_SCALE),
("KPCOMMA", KEY_KPCOMMA),
("HANGEUL", KEY_HANGEUL),
("HANGUEL", KEY_HANGUEL),
("HANGEUL", KEY_HANGEUL),
("HANJA", KEY_HANJA),
("YEN", KEY_YEN),
("LEFTMETA", KEY_LEFTMETA),
("RIGHTMETA", KEY_RIGHTMETA),
("COMPOSE", KEY_COMPOSE),
("STOP", KEY_STOP),
("AGAIN", KEY_AGAIN),
("PROPS", KEY_PROPS),
("UNDO", KEY_UNDO),
("FRONT", KEY_FRONT),
("COPY", KEY_COPY),
("OPEN", KEY_OPEN),
("PASTE", KEY_PASTE),
("FIND", KEY_FIND),
("CUT", KEY_CUT),
("HELP", KEY_HELP),
("MENU", KEY_MENU),
("CALC", KEY_CALC),
("SETUP", KEY_SETUP),
("SLEEP", KEY_SLEEP),
("WAKEUP", KEY_WAKEUP),
("FILE", KEY_FILE),
("SENDFILE", KEY_SENDFILE),
("DELETEFILE", KEY_DELETEFILE),
("XFER", KEY_XFER),
("PROG1", KEY_PROG1),
("PROG2", KEY_PROG2),
("WWW", KEY_WWW),
("MSDOS", KEY_MSDOS),
("COFFEE", KEY_COFFEE),
("SCREENLOCK", KEY_SCREENLOCK),
("COFFEE", KEY_COFFEE),
("ROTATE_DISPLAY", KEY_ROTATE_DISPLAY),
("DIRECTION", KEY_DIRECTION),
("ROTATE_DISPLAY", KEY_ROTATE_DISPLAY),
("CYCLEWINDOWS", KEY_CYCLEWINDOWS),
("MAIL", KEY_MAIL),
("BOOKMARKS", KEY_BOOKMARKS),
("COMPUTER", KEY_COMPUTER),
("BACK", KEY_BACK),
("FORWARD", KEY_FORWARD),
("CLOSECD", KEY_CLOSECD),
("EJECTCD", KEY_EJECTCD),
("EJECTCLOSECD", KEY_EJECTCLOSECD),
("NEXTSONG", KEY_NEXTSONG),
("PLAYPAUSE", KEY_PLAYPAUSE),
("PREVIOUSSONG", KEY_PREVIOUSSONG),
("STOPCD", KEY_STOPCD),
("RECORD", KEY_RECORD),
("REWIND", KEY_REWIND),
("PHONE", KEY_PHONE),
("ISO", KEY_ISO),
("CONFIG", KEY_CONFIG),
("HOMEPAGE", KEY_HOMEPAGE),
("REFRESH", KEY_REFRESH),
("EXIT", KEY_EXIT),
("MOVE", KEY_MOVE),
("EDIT", KEY_EDIT),
("SCROLLUP", KEY_SCROLLUP),
("SCROLLDOWN", KEY_SCROLLDOWN),
("KPLEFTPAREN", KEY_KPLEFTPAREN),
("KPRIGHTPAREN", KEY_KPRIGHTPAREN),
("NEW", KEY_NEW),
("REDO", KEY_REDO),
("F13", KEY_F13),
("F14", KEY_F14),
("F15", KEY_F15),
("F16", KEY_F16),
("F17", KEY_F17),
("F18", KEY_F18),
("F19", KEY_F19),
("F20", KEY_F20),
("F21", KEY_F21),
("F22", KEY_F22),
("F23", KEY_F23),
("F24", KEY_F24),
("PLAYCD", KEY_PLAYCD),
("PAUSECD", KEY_PAUSECD),
("PROG3", KEY_PROG3),
("PROG4", KEY_PROG4),
("DASHBOARD", KEY_DASHBOARD),
("SUSPEND", KEY_SUSPEND),
("CLOSE", KEY_CLOSE),
("PLAY", KEY_PLAY),
("FASTFORWARD", KEY_FASTFORWARD),
("BASSBOOST", KEY_BASSBOOST),
("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),
("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)).collect()
}

218
src/main.rs
View File

@ -1,35 +1,4 @@
use rusty_keys::{KeyMaps, Device, InputDevice, Result};
use uinput_sys::*;
use libc::input_event;
use std::process::exit;
use std::{env, thread};
use std::sync::mpsc;
use std::sync::mpsc::Sender;
use getopts::Options;
use inotify::{
EventMask,
Inotify,
WatchMask,
};
const VERSION: &'static str = env!("CARGO_PKG_VERSION");
const EV_KEY_U16: u16 = EV_KEY as u16;
#[derive(Debug)]
struct Config {
device_files: Vec<String>,
config_file: String
}
impl Config {
fn new(device_files: Vec<String>, config_file: String) -> Self {
Config { device_files: device_files, config_file: config_file }
}
}
use rusty_keys::main_res;
fn main() {
let ret = main_res();
@ -37,188 +6,3 @@ fn main() {
println!("fatal error: {}", e);
}
}
fn main_res() -> Result<()> {
let config = parse_args();
//println!("Config: {:?}", config);
let key_map = KeyMaps::key_map();
//println!("key_map: {:?}", key_map);
let device = rusty_keys::open("/dev/uinput")
.or_else(|_| rusty_keys::open("/dev/input/uinput"))
.or_else(|_| rusty_keys::default())?
.name("rusty-keys")?
.event(key_map.values())?
.create()?;
let mut key_map = KeyMaps::from_cfg(&key_map, &config.config_file);
//println!("keymaps: {:?}", keymaps);
if config.device_files.len() == 1 {
// shortcut, don't bother with threads
let mut input_device = InputDevice::open(&config.device_files[0])?;
input_device.grab()?;
loop {
let event = input_device.read_event()?;
send_event(&mut key_map, event, &device)?
}
} else {
// start up some intra thread communication
let (tx, rx) = mpsc::channel();
if config.device_files.len() > 0 {
// we only want to operate on device files sent in then quit
for device_file in config.device_files.iter() {
let device_file = device_file.clone();
let tx = tx.clone();
thread::spawn(move || {
let ret = spawn_map_thread(tx, &device_file);
if let Err(e) = ret {
println!("mapping for {} ended due to error: {}", device_file, e);
}
});
}
} else {
let tx = tx.clone();
thread::spawn(move || {
// we want to wait forever starting new threads for any new keyboard devices
let mut inotify = Inotify::init().expect("Failed to initialize inotify");
inotify.add_watch("/dev/input/", WatchMask::CREATE).expect("Failed to add inotify watch");
let device_files = get_keyboard_device_filenames();
println!("Detected devices: {:?}", device_files);
for device_file in device_files.iter() {
inotify_spawn_thread(&tx, device_file);
}
let mut buffer = [0u8; 4096];
loop {
let events = inotify.read_events_blocking(&mut buffer);
if let Ok(events) = events {
for event in events {
if !event.mask.contains(EventMask::ISDIR) {
if let Some(device_file) = event.name.and_then(|name|name.to_str()) {
// check if this is an eligible keyboard device
let device_files = get_keyboard_device_filenames();
if !device_files.contains(&device_file.to_string()) {
continue;
}
println!("starting mapping thread for: {}", device_file);
inotify_spawn_thread(&tx, device_file.clone());
}
}
}
}
}
});
}
drop(tx); // drop our last one, so when the threads finish, everything stops
// process all events
for event in rx {
send_event(&mut key_map, event, &device)?
}
}
Ok(())
}
fn send_event(key_map: &mut KeyMaps, mut event: input_event, device: &Device) -> Result<()> {
if event.type_ == EV_KEY_U16 {
key_map.send_event(&mut event, &device)?
} else {
device.write_event(&mut event)?
}
Ok(())
}
fn inotify_spawn_thread(tx: &Sender<input_event>, device_file: &str) {
let mut filename = "/dev/input/".to_string();
filename.push_str(&device_file);
let tx = tx.clone();
thread::spawn(move || {
let ret = spawn_map_thread(tx, &filename);
if let Err(e) = ret {
println!("mapping for {} ended due to error: {}", filename, e);
}
});
}
fn spawn_map_thread(tx: Sender<input_event>, device_file: &str) -> Result<()> {
let mut input_device = InputDevice::open(device_file)?;
input_device.grab()?;
loop {
let event = input_device.read_event()?;
tx.send(event)?
}
}
fn parse_args() -> Config {
fn print_usage(program: &str, opts: Options) {
let brief = format!("Usage: {} [options] [device_files...]", program);
println!("{}", opts.usage(&brief));
}
let args: Vec<_> = env::args().collect();
let mut opts = Options::new();
opts.optflag("h", "help", "prints this help message");
opts.optflag("v", "version", "prints the version");
opts.optopt("c", "config", "specify the keymap config file to use (default: /etc/rusty-keys/keymap.toml)", "FILE");
let matches = opts.parse(&args[1..]);
if matches.is_err() {
print_usage(&args[0], opts);
exit(0);
}
let matches = matches.unwrap();
if matches.opt_present("h") {
print_usage(&args[0], opts);
exit(0);
}
if matches.opt_present("v") {
println!("rusty-keys {}", VERSION);
exit(0);
}
let config_file = matches.opt_str("c").unwrap_or("/etc/rusty-keys/keymap.toml".to_owned());
Config::new(matches.free, config_file)
}
// Detects and returns the name of the keyboard device file. This function uses
// the fact that all device information is shown in /proc/bus/input/devices and
// the keyboard device file should always have an EV of 120013
// grep -E 'Handlers|EV' /proc/bus/input/devices | grep -B1 120013 | grep -Eo event[0-9]+
fn get_keyboard_device_filenames() -> Vec<String> {
use std::io::BufReader;
use std::io::prelude::*;
use std::fs::File;
let f = File::open("/proc/bus/input/devices");
if f.is_err() {
return Vec::new();
}
let f = BufReader::new(f.unwrap());
let mut filename = None;
let mut filenames = Vec::new();
for line in f.lines() {
if let Ok(line) = line {
if line.starts_with("H: Handlers=") {
if let Some(event_index) = line.find("event") {
let last_index = line[event_index..line.len()-1].find(" ").and_then(|i| Some(i + event_index)).unwrap_or(line.len() - 1);
filename = Some(line[event_index..last_index].to_owned());
}
} else if line.starts_with("B: EV=") && line.contains("120013") {
if let Some(ref filename) = filename {
filenames.push(filename.clone());
}
}
}
}
filenames
}