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Re-structure code, pull keymapper to own file

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This commit is contained in:
Travis Burtrum 2017-09-21 22:34:24 -04:00
parent 6b9b6f50ae
commit 3574299a26
5 changed files with 719 additions and 699 deletions
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2
src/device/builder.rs
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@ -2,7 +2,7 @@ use std::path::Path;
use std::{mem, slice}; use std::{mem, slice};
use std::ffi::CString; use std::ffi::CString;
use libc::c_int; use libc::c_int;
use nix::{self, fcntl, unistd, Errno}; use nix::{self, fcntl, unistd};
use nix::sys::stat; use nix::sys::stat;
use ffi::*; use ffi::*;
use {Result as Res, Error, Device}; use {Result as Res, Error, Device};

16
src/device/device.rs
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@ -20,16 +20,14 @@ impl Device {
#[doc(hidden)] #[doc(hidden)]
pub fn write(&mut self, kind: c_int, code: c_int, value: c_int) -> Res<()> { pub fn write(&mut self, kind: c_int, code: c_int, value: c_int) -> Res<()> {
unsafe { let event = input_event {
let mut event = input_event { time: timeval { tv_sec: 0, tv_usec: 0 },
time: timeval { tv_sec: 0, tv_usec: 0 }, type_: kind as u16,
type_: kind as u16, code: code as u16,
code: code as u16, value: value as i32,
value: value as i32, };
};
self.write_event(event) self.write_event(event)
}
} }
#[doc(hidden)] #[doc(hidden)]

702
src/keymapper.rs Normal file
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@ -0,0 +1,702 @@
use device::Device;
use ffi::*;
use libc::{c_int, input_event};
use std::fs::File;
use std::io::Read;
use std::collections::HashMap;
// 1 is down, 0 is up
const DOWN: i32 = 1;
const UP: i32 = 0;
const INVERT_KEY_FLAG: char = '^';
const CAPS_MODIFY_KEY_FLAG: char = '*';
const HALF_KEY_SEPARATOR: char = ':';
const LEFTSHIFT_INDEX: usize = KEY_LEFTSHIFT as usize;
const RIGHTSHIFT_INDEX: usize = KEY_RIGHTSHIFT as usize;
const CAPSLOCK_INDEX: usize = KEY_CAPSLOCK as usize;
const KEY_LEFTSHIFT_U16: u16 = KEY_LEFTSHIFT as u16;
const KEY_RIGHTSHIFT_U16: u16 = KEY_RIGHTSHIFT as u16;
const KEY_CAPSLOCK_U16: u16 = KEY_CAPSLOCK as u16;
trait KeyMapper {
fn send_event(&mut self, key_state: &mut [bool], event: input_event, device: &Device);
}
pub struct KeyMaps {
keymaps: Vec<Box<KeyMapper>>,
keymap_index_keys: HashMap<u16, usize>,
switch_layout_keys: Vec<usize>,
key_state: [bool; KEY_MAX],
revert_default_key: u16,
revert_keymap_index: usize,
// above do not change, below does
chosen_keymap_index: usize,
current_keymap_index: usize,
}
fn parse_key(key_map: &HashMap<&'static str, *const c_int>, key: &str) -> u16 {
match key_map.get(key.trim_matches(|c: char| c.is_whitespace() || c == INVERT_KEY_FLAG || c == CAPS_MODIFY_KEY_FLAG)) {
Some(key_code) => *key_code as u16,
None => panic!("unknown key: {}", key.trim())
}
}
fn parse_keymap_numeric(key_map: &HashMap<&'static str, *const c_int>, keymap: &str) -> Vec<u16> {
keymap.split(",").map(|k| parse_key(key_map, k)).collect()
}
fn parse_key_half_inverted(key_map: &HashMap<&'static str, *const c_int>, key: &str) -> HalfInvertedKey {
HalfInvertedKey {
code: parse_key(key_map, key),
invert_shift: key.contains(INVERT_KEY_FLAG),
capslock_nomodify: key.contains(CAPS_MODIFY_KEY_FLAG),
}
}
/*
// maybe shortcut to this if not contains * or :
fn parse_keymap(key_map: &HashMap<&'static str, *const c_int>, keymap: &str) -> Vec<Box<KeyMapper + 'static>> {
keymap.split(",").map(|k| Box::new(parse_key(key_map, k)) as Box<KeyMapper>).collect()
}
*/
impl KeyMaps {
pub fn from_cfg<P: AsRef<Path>>(key_map: &HashMap<&'static str, *const c_int>, path: P) -> KeyMaps {
let key_map_config = parse_cfg(path).expect("provided config cannot be found/parsed");
KeyMaps::new(key_map, key_map_config)
}
pub fn new(key_map: &HashMap<&'static str, *const c_int>, config: KeymapConfig) -> KeyMaps {
if config.keymaps.len() < 2 {
panic!("must have at least 2 keymaps (original and mapped) but only have {},", config.keymaps.len());
}
if config.default_keymap_index >= config.keymaps.len() || config.revert_keymap_index >= config.keymaps.len() {
panic!("default_keymap_index ({}) and revert_keymap_index ({}) must be less than keymaps length ({}),", config.default_keymap_index, config.revert_keymap_index, config.keymaps.len());
}
let base_keymap = parse_keymap_numeric(key_map, &config.keymaps[0]);
println!("base_keymap : {:?}", base_keymap);
let mut keymaps: Vec<Box<KeyMapper>> = vec!(Box::new(NOOP)); // todo: can we share the box?
let mut keymap_index_keys: HashMap<u16, usize> = HashMap::new();
for (x, v) in config.keymaps.iter().enumerate() {
keymap_index_keys.insert(*key_map.get(&*x.to_string()).unwrap() as u16, x);
if x == 0 {
continue;
}
let v = v.split(",").map(|k| {
let ret: Box<KeyMapper> = if k.contains(HALF_KEY_SEPARATOR) {
let keys: Vec<&str> = k.split(HALF_KEY_SEPARATOR).collect();
if keys.len() != 2 {
panic!("split key can only have 2 keys, 1 :, has {} keys", keys.len());
}
let mut shift_half = parse_key_half_inverted(key_map, keys[1]);
shift_half.invert_shift = !shift_half.invert_shift;
Box::new(ShiftInvertedKey {
noshift_half: parse_key_half_inverted(key_map, keys[0]),
shift_half: shift_half,
})
} else if k.contains(INVERT_KEY_FLAG) || k.contains(CAPS_MODIFY_KEY_FLAG) {
Box::new(parse_key_half_inverted(key_map, k))
} else {
Box::new(parse_key(key_map, k))
};
ret
});//parse_keymap(key_map, v);
//println!("config.keymaps[{}]: {:?}", x, v);
/*
if v.len() != base_keymap.len() {
panic!("all keymaps must be the same length, keymap index 0 length: {}, index {} length: {},", base_keymap.len(), x, v.len());
}
*/
let mut keymap = KeyMap::new();
/*
for(i, key_code) in v.iter().enumerate() {
let ptr = Box::into_raw(*key_code);
//keymap.map(base_keymap[i], &key_code);
}
for(i, key_code) in base_keymap.iter().enumerate() {
//let ptr = Box::into_raw(*key_code);
keymap.map(*key_code, v[i]);
}
*/
let mut i: usize = 0;
for key_code in v {
keymap.map(base_keymap[i], key_code);
i = i + 1;
if i > base_keymap.len() {
panic!("all keymaps must be the same length, keymap index 0 length: {}, index {} length: {},", base_keymap.len(), x, i);
}
}
//println!("keymap[{}]: {:?}", x, &keymap.keymap[..]);
keymaps.push(Box::new(keymap));
}
//println!("keymaps: {:?}", keymaps);
//println!("keymap_index_keys: {:?}", keymap_index_keys);
KeyMaps {
keymaps: keymaps,
keymap_index_keys: keymap_index_keys,
switch_layout_keys: config.switch_layout_keys.iter().map(|k| parse_key(key_map, k) as usize).collect(),
key_state: [false; KEY_MAX],
// todo: detect key state? at least CAPSLOCK...
revert_default_key: parse_key(key_map, &config.revert_default_key),
revert_keymap_index: config.revert_keymap_index,
chosen_keymap_index: config.default_keymap_index,
current_keymap_index: config.default_keymap_index,
}
}
}
//impl KeyMapper for KeyMaps {
impl KeyMaps {
pub fn send_event(&mut self, event: input_event, device: &Device) {
//println!("type: {} code: {} value: {}", event.type_, event.code, event.value);
if event.value != 2 {
// todo: index check here...
if event.code == KEY_CAPSLOCK_U16 {
if event.value == DOWN {
self.key_state[CAPSLOCK_INDEX] = !self.key_state[CAPSLOCK_INDEX];
}
} else {
self.key_state[event.code as usize] = event.value == DOWN;
}
let mut switch_layout_keys_pressed = true;
for layout_switch_key in self.switch_layout_keys.iter_mut() {
if !self.key_state[*layout_switch_key] {
switch_layout_keys_pressed = false;
break;
}
}
//println!("switch_layout_keys_pressed: {}", self.switch_layout_keys_pressed);
if switch_layout_keys_pressed {
let new_index = self.keymap_index_keys.get(&event.code);
if new_index.is_some() {
self.chosen_keymap_index = *new_index.unwrap();
self.current_keymap_index = self.chosen_keymap_index; // todo: what if revert_default_key is held? for now ignore
return; // we don't want to also send this keypress, so bail
}
}
if event.code == self.revert_default_key {
match event.value {
// todo: ctrl+c will get c stuck because code c value 1 will be sent, but then we'll let go of ctrl, and code j value 0 is sent, so c is never released... fix that...
DOWN => self.current_keymap_index = self.revert_keymap_index,
UP => self.current_keymap_index = self.chosen_keymap_index,
_ => () // do nothing for 2
}
}
}
self.keymaps[self.current_keymap_index].send_event(&mut self.key_state, event, device);
}
}
// 249 is one more than KEY_MICMUTE which is max key in uinput-sys event.rs
const KEY_MAX: usize = 249;
struct KeyMap {
keymap: Vec<Box<KeyMapper>>,
//[Box<KeyMapper>; KEY_MAX],
}
impl KeyMap {
pub fn new() -> Self {
//let mut keymap = [0u16; KEY_MAX];
//let mut keymap : [Box<KeyMapper>; KEY_MAX] = [Box::new(NOOP); KEY_MAX];
//let mut keymap : [Box<KeyMapper>; KEY_MAX] = [Box::new(0u16); KEY_MAX];
let mut keymap: Vec<Box<KeyMapper>> = Vec::with_capacity(KEY_MAX);
#[allow(unused_variables)]
for x in 0..KEY_MAX {
keymap.push(Box::new(NOOP));
}
// 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;
}
*/
pub fn map(&mut self, from: u16, to: Box<KeyMapper>) {
self.keymap[from as usize] = to;
}
}
impl KeyMapper for KeyMap {
fn send_event(&mut self, key_state: &mut [bool], event: input_event, device: &Device) {
self.keymap[event.code as usize].send_event(key_state, event, device);
//event.code = self.keymap[event.code as usize];
//device.write_event(event).expect("could not write event?");
}
}
#[allow(unused_variables)]
impl KeyMapper for u16 {
fn send_event(&mut self, key_state: &mut [bool], mut event: input_event, device: &Device) {
event.code = *self;
device.write_event(event).expect("could not write event?");
}
}
const NOOP: Noop = Noop {};
// nightly I hear... const BOX_NOOP : Box<KeyMapper> = Box::new(NOOP);
struct Noop {}
#[allow(unused_variables)]
impl KeyMapper for Noop {
fn send_event(&mut self, key_state: &mut [bool], event: input_event, device: &Device) {
device.write_event(event).expect("could not write event?");
}
}
// todo:capslock_nomodify is like a whole-key thing, not a half-key thing, split code/invert_shift to own struct, send into send_key from *InvertedKey, maybe anyway, consider it, maybe 1 char for whole key and another for half?
struct HalfInvertedKey {
code: u16,
// code this is describing
invert_shift: bool,
// true to invert shift for this code
capslock_nomodify: bool,
// true means capslock does not normally modify this, but you would like it to
}
impl HalfInvertedKey {
fn send_key(&mut self, key_state: &mut [bool], mut event: input_event, device: &Device, left_shift: bool, right_shift: bool, caps_lock: bool) {
let mut code = self.code;
let value = event.value;
let mut invert_shift = self.invert_shift;
if value == DOWN {
if caps_lock && self.capslock_nomodify {
invert_shift = !invert_shift;
}
if invert_shift {
if left_shift {
event.code = KEY_LEFTSHIFT_U16;
event.value = UP;
} else if right_shift {
event.code = KEY_RIGHTSHIFT_U16;
event.value = UP;
} else {
event.code = KEY_LEFTSHIFT_U16;
event.value = DOWN;
}
//event.code.send_event(key_state, event, device);
device.write_event(event).expect("could not write event?");
event.code = code; // not needed since u16 does it
event.value = value;
}
}
code.send_event(key_state, event, device);
if value == UP {
if caps_lock && self.capslock_nomodify {
invert_shift = !invert_shift;
}
if invert_shift {
if left_shift {
event.code = KEY_LEFTSHIFT_U16;
event.value = DOWN;
} else if right_shift {
event.code = KEY_RIGHTSHIFT_U16;
event.value = DOWN;
} else {
event.code = KEY_LEFTSHIFT_U16;
event.value = UP;
}
//event.code.send_event(key_state, event, device);
device.write_event(event).expect("could not write event?");
// neither of these are needed now...
event.code = code; // not needed since u16 does it
event.value = value;
}
}
}
}
impl KeyMapper for HalfInvertedKey {
fn send_event(&mut self, key_state: &mut [bool], event: input_event, device: &Device) {
let left_shift = key_state[LEFTSHIFT_INDEX];
let right_shift = key_state[RIGHTSHIFT_INDEX];
let caps_lock = key_state[CAPSLOCK_INDEX];
self.send_key(key_state, event, device, left_shift, right_shift, caps_lock);
}
}
struct ShiftInvertedKey {
noshift_half: HalfInvertedKey,
shift_half: HalfInvertedKey,
}
impl KeyMapper for ShiftInvertedKey {
fn send_event(&mut self, key_state: &mut [bool], event: input_event, device: &Device) {
let left_shift = key_state[LEFTSHIFT_INDEX];
let right_shift = key_state[RIGHTSHIFT_INDEX];
let caps_lock = key_state[CAPSLOCK_INDEX];
if caps_lock != (left_shift || right_shift) {
self.shift_half.send_key(key_state, event, device, left_shift, right_shift, caps_lock);
} else {
self.noshift_half.send_key(key_state, event, device, left_shift, right_shift, caps_lock);
}
}
}
extern crate toml;
use std::path::Path;
#[derive(Deserialize, Debug)]
pub 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>
}
/*
‎c`p‎: no, ? converts the error with From<> in its expansion
‎c`p‎: so unless io::Error: From<toml::Error> it isnt going to work
c`p‎: the idea with your own error type is that MyError: From<io::Error> + From<toml::Error> + etc etc
‎c`p‎: ie enum MyError { Io(io::Error), Toml(toml::Error), ... }
c`p‎: error-chain does all this stuff for you
*/
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!"))
}
}
impl KeyMaps {
pub fn key_map() -> HashMap<&'static str, *const 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 as *const c_int)).collect()
}
}

6
src/lib.rs
View File

@ -6,6 +6,9 @@ extern crate uinput_sys as ffi;
extern crate nix; extern crate nix;
#[macro_use]
extern crate serde_derive;
#[cfg(feature = "udev")] #[cfg(feature = "udev")]
extern crate libudev as udev; extern crate libudev as udev;
@ -16,6 +19,9 @@ pub use error::Error;
pub type Result<T> = ::std::result::Result<T, Error>; pub type Result<T> = ::std::result::Result<T, Error>;
pub mod keymapper;
pub use keymapper::KeyMaps;
pub mod device; pub mod device;
pub use device::Device; pub use device::Device;

692
src/main.rs
View File

@ -6,14 +6,13 @@ extern crate getopts;
#[macro_use] #[macro_use]
extern crate nix; extern crate nix;
use uinput::Device; use uinput::KeyMaps;
use ffi::*; use ffi::*;
use libc::{c_int, input_event}; use libc::{c_int, input_event};
use std::thread; use std::thread;
use std::time::Duration; use std::time::Duration;
use std::collections::HashMap;
use std::process::{exit, Command}; use std::process::{exit, Command};
use std::fs::File; use std::fs::File;
@ -41,11 +40,7 @@ impl Config {
} }
fn main() { fn main() {
let key_map_config = parse_cfg("keymap.toml").expect("provided config cannot be found/parsed"); let key_map = KeyMaps::key_map();
//println!("key_map_config: {:?}", key_map_config);
let key_map = KeyMap::key_map();
//println!("key_map: {:?}", key_map); //println!("key_map: {:?}", key_map);
@ -55,7 +50,7 @@ fn main() {
//.event(uinput::event::Keyboard::All).unwrap() //.event(uinput::event::Keyboard::All).unwrap()
.create().expect("4"); .create().expect("4");
let mut key_map = KeyMaps::new(&key_map, key_map_config); let mut key_map = KeyMaps::from_cfg(&key_map, "keymap.toml");
//println!("keymaps: {:?}", keymaps); //println!("keymaps: {:?}", keymaps);
//let mut key_map = KeyMap::new(); //let mut key_map = KeyMap::new();
@ -202,685 +197,4 @@ impl Drop for InputDevice {
} }
} }
// keymapper stuff
// 1 is down, 0 is up
const DOWN: i32 = 1;
const UP: i32 = 0;
const INVERT_KEY_FLAG: char = '^';
const CAPS_MODIFY_KEY_FLAG: char = '*';
const HALF_KEY_SEPARATOR: char = ':';
const LEFTSHIFT_INDEX: usize = KEY_LEFTSHIFT as usize;
const RIGHTSHIFT_INDEX: usize = KEY_RIGHTSHIFT as usize;
const CAPSLOCK_INDEX: usize = KEY_CAPSLOCK as usize;
const KEY_LEFTSHIFT_U16: u16 = KEY_LEFTSHIFT as u16;
const KEY_RIGHTSHIFT_U16: u16 = KEY_RIGHTSHIFT as u16;
const KEY_CAPSLOCK_U16: u16 = KEY_CAPSLOCK as u16;
trait KeyMapper {
fn send_event(&mut self, key_state: &mut [bool], event: input_event, device: &Device);
}
struct KeyMaps {
keymaps: Vec<Box<KeyMapper>>,
keymap_index_keys: HashMap<u16, usize>,
switch_layout_keys: Vec<usize>,
key_state: [bool; KEY_MAX],
revert_default_key: u16,
revert_keymap_index: usize,
// above do not change, below does
chosen_keymap_index: usize,
current_keymap_index: usize,
}
fn parse_key(key_map: &HashMap<&'static str, *const c_int>, key: &str) -> u16 {
match key_map.get(key.trim_matches(|c: char| c.is_whitespace() || c == INVERT_KEY_FLAG || c == CAPS_MODIFY_KEY_FLAG)) {
Some(key_code) => *key_code as u16,
None => panic!("unknown key: {}", key.trim())
}
}
fn parse_keymap_numeric(key_map: &HashMap<&'static str, *const c_int>, keymap: &str) -> Vec<u16> {
keymap.split(",").map(|k| parse_key(key_map, k)).collect()
}
fn parse_key_half_inverted(key_map: &HashMap<&'static str, *const c_int>, key: &str) -> HalfInvertedKey {
HalfInvertedKey {
code: parse_key(key_map, key),
invert_shift: key.contains(INVERT_KEY_FLAG),
capslock_nomodify: key.contains(CAPS_MODIFY_KEY_FLAG),
}
}
fn parse_keymap(key_map: &HashMap<&'static str, *const c_int>, keymap: &str) -> Vec<Box<KeyMapper + 'static>> {
keymap.split(",").map(|k| Box::new(parse_key(key_map, k)) as Box<KeyMapper>).collect()
}
impl KeyMaps {
pub fn new(key_map: &HashMap<&'static str, *const c_int>, config: KeymapConfig) -> KeyMaps {
if config.keymaps.len() < 2 {
panic!("must have at least 2 keymaps (original and mapped) but only have {},", config.keymaps.len());
}
if config.default_keymap_index >= config.keymaps.len() || config.revert_keymap_index >= config.keymaps.len() {
panic!("default_keymap_index ({}) and revert_keymap_index ({}) must be less than keymaps length ({}),", config.default_keymap_index, config.revert_keymap_index, config.keymaps.len());
}
let base_keymap = parse_keymap_numeric(key_map, &config.keymaps[0]);
println!("base_keymap : {:?}", base_keymap);
let mut keymaps: Vec<Box<KeyMapper>> = vec!(Box::new(NOOP)); // todo: can we share the box?
let mut keymap_index_keys: HashMap<u16, usize> = HashMap::new();
for (x, v) in config.keymaps.iter().enumerate() {
keymap_index_keys.insert(*key_map.get(&*x.to_string()).unwrap() as u16, x);
if x == 0 {
continue;
}
let v = v.split(",").map(|k| {
let ret: Box<KeyMapper> = if k.contains(HALF_KEY_SEPARATOR) {
let keys: Vec<&str> = k.split(HALF_KEY_SEPARATOR).collect();
if keys.len() != 2 {
panic!("split key can only have 2 keys, 1 :, has {} keys", keys.len());
}
let mut shift_half = parse_key_half_inverted(key_map, keys[1]);
shift_half.invert_shift = !shift_half.invert_shift;
Box::new(ShiftInvertedKey {
noshift_half: parse_key_half_inverted(key_map, keys[0]),
shift_half: shift_half,
})
} else if k.contains(INVERT_KEY_FLAG) || k.contains(CAPS_MODIFY_KEY_FLAG) {
Box::new(parse_key_half_inverted(key_map, k))
} else {
Box::new(parse_key(key_map, k))
};
ret
});//parse_keymap(key_map, v);
//println!("config.keymaps[{}]: {:?}", x, v);
/*
if v.len() != base_keymap.len() {
panic!("all keymaps must be the same length, keymap index 0 length: {}, index {} length: {},", base_keymap.len(), x, v.len());
}
*/
let mut keymap = KeyMap::new();
/*
for(i, key_code) in v.iter().enumerate() {
let ptr = Box::into_raw(*key_code);
//keymap.map(base_keymap[i], &key_code);
}
for(i, key_code) in base_keymap.iter().enumerate() {
//let ptr = Box::into_raw(*key_code);
keymap.map(*key_code, v[i]);
}
*/
let mut i: usize = 0;
for key_code in v {
keymap.map(base_keymap[i], key_code);
i = i + 1;
if i > base_keymap.len() {
panic!("all keymaps must be the same length, keymap index 0 length: {}, index {} length: {},", base_keymap.len(), x, i);
}
}
//println!("keymap[{}]: {:?}", x, &keymap.keymap[..]);
keymaps.push(Box::new(keymap));
}
//println!("keymaps: {:?}", keymaps);
//println!("keymap_index_keys: {:?}", keymap_index_keys);
KeyMaps {
keymaps: keymaps,
keymap_index_keys: keymap_index_keys,
switch_layout_keys: config.switch_layout_keys.iter().map(|k| parse_key(key_map, k) as usize).collect(),
key_state: [false; KEY_MAX],
// todo: detect key state? at least CAPSLOCK...
revert_default_key: parse_key(key_map, &config.revert_default_key),
revert_keymap_index: config.revert_keymap_index,
chosen_keymap_index: config.default_keymap_index,
current_keymap_index: config.default_keymap_index,
}
}
}
//impl KeyMapper for KeyMaps {
impl KeyMaps {
fn send_event(&mut self, event: input_event, device: &Device) {
//println!("type: {} code: {} value: {}", event.type_, event.code, event.value);
if event.value != 2 {
// todo: index check here...
if event.code == KEY_CAPSLOCK_U16 {
if event.value == DOWN {
self.key_state[CAPSLOCK_INDEX] = !self.key_state[CAPSLOCK_INDEX];
}
} else {
self.key_state[event.code as usize] = event.value == DOWN;
}
let mut switch_layout_keys_pressed = true;
for mut layout_switch_key in self.switch_layout_keys.iter_mut() {
if !self.key_state[*layout_switch_key] {
switch_layout_keys_pressed = false;
break;
}
}
//println!("switch_layout_keys_pressed: {}", self.switch_layout_keys_pressed);
if switch_layout_keys_pressed {
let new_index = self.keymap_index_keys.get(&event.code);
if new_index.is_some() {
self.chosen_keymap_index = *new_index.unwrap();
self.current_keymap_index = self.chosen_keymap_index; // todo: what if revert_default_key is held? for now ignore
return; // we don't want to also send this keypress, so bail
}
}
if event.code == self.revert_default_key {
match event.value {
// todo: ctrl+c will get c stuck because code c value 1 will be sent, but then we'll let go of ctrl, and code j value 0 is sent, so c is never released... fix that...
DOWN => self.current_keymap_index = self.revert_keymap_index,
UP => self.current_keymap_index = self.chosen_keymap_index,
_ => () // do nothing for 2
}
}
}
self.keymaps[self.current_keymap_index].send_event(&mut self.key_state, event, device);
}
}
// 249 is one more than KEY_MICMUTE which is max key in uinput-sys event.rs
const KEY_MAX: usize = 249;
struct KeyMap {
keymap: Vec<Box<KeyMapper>>,
//[Box<KeyMapper>; KEY_MAX],
}
impl KeyMap {
pub fn key_map() -> HashMap<&'static str, *const 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 as *const c_int)).collect()
}
pub fn new() -> Self {
//let mut keymap = [0u16; KEY_MAX];
//let mut keymap : [Box<KeyMapper>; KEY_MAX] = [Box::new(NOOP); KEY_MAX];
//let mut keymap : [Box<KeyMapper>; KEY_MAX] = [Box::new(0u16); KEY_MAX];
let mut keymap: Vec<Box<KeyMapper>> = Vec::with_capacity(KEY_MAX);
for x in 0..KEY_MAX {
keymap.push(Box::new(NOOP));
}
// 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;
}
*/
pub fn map(&mut self, from: u16, to: Box<KeyMapper>) {
self.keymap[from as usize] = to;
}
}
impl KeyMapper for KeyMap {
fn send_event(&mut self, key_state: &mut [bool], mut event: input_event, device: &Device) {
self.keymap[event.code as usize].send_event(key_state, event, device);
//event.code = self.keymap[event.code as usize];
//device.write_event(event).expect("could not write event?");
}
}
impl KeyMapper for u16 {
fn send_event(&mut self, key_state: &mut [bool], mut event: input_event, device: &Device) {
event.code = *self;
device.write_event(event).expect("could not write event?");
}
}
const NOOP: Noop = Noop {};
// nightly I hear... const BOX_NOOP : Box<KeyMapper> = Box::new(NOOP);
struct Noop {}
impl KeyMapper for Noop {
fn send_event(&mut self, key_state: &mut [bool], mut event: input_event, device: &Device) {
device.write_event(event).expect("could not write event?");
}
}
// todo:capslock_nomodify is like a whole-key thing, not a half-key thing, split code/invert_shift to own struct, send into send_key from *InvertedKey, maybe anyway, consider it, maybe 1 char for whole key and another for half?
struct HalfInvertedKey {
code: u16,
// code this is describing
invert_shift: bool,
// true to invert shift for this code
capslock_nomodify: bool,
// true means capslock does not normally modify this, but you would like it to
}
impl HalfInvertedKey {
fn send_key(&mut self, key_state: &mut [bool], mut event: input_event, device: &Device, left_shift: bool, right_shift: bool, caps_lock: bool) {
let mut code = self.code;
let value = event.value;
let mut invert_shift = self.invert_shift;
if value == DOWN {
if caps_lock && self.capslock_nomodify {
invert_shift = !invert_shift;
}
if invert_shift {
if left_shift {
event.code = KEY_LEFTSHIFT_U16;
event.value = UP;
} else if right_shift {
event.code = KEY_RIGHTSHIFT_U16;
event.value = UP;
} else {
event.code = KEY_LEFTSHIFT_U16;
event.value = DOWN;
}
//event.code.send_event(key_state, event, device);
device.write_event(event).expect("could not write event?");
event.code = code; // not needed since u16 does it
event.value = value;
}
}
code.send_event(key_state, event, device);
if value == UP {
if caps_lock && self.capslock_nomodify {
invert_shift = !invert_shift;
}
if invert_shift {
if left_shift {
event.code = KEY_LEFTSHIFT_U16;
event.value = DOWN;
} else if right_shift {
event.code = KEY_RIGHTSHIFT_U16;
event.value = DOWN;
} else {
event.code = KEY_LEFTSHIFT_U16;
event.value = UP;
}
//event.code.send_event(key_state, event, device);
device.write_event(event).expect("could not write event?");
// neither of these are needed now...
event.code = code; // not needed since u16 does it
event.value = value;
}
}
}
}
impl KeyMapper for HalfInvertedKey {
fn send_event(&mut self, key_state: &mut [bool], mut event: input_event, device: &Device) {
let left_shift = key_state[LEFTSHIFT_INDEX];
let right_shift = key_state[RIGHTSHIFT_INDEX];
let caps_lock = key_state[CAPSLOCK_INDEX];
self.send_key(key_state, event, device, left_shift, right_shift, caps_lock);
}
}
struct ShiftInvertedKey {
noshift_half: HalfInvertedKey,
shift_half: HalfInvertedKey,
}
impl KeyMapper for ShiftInvertedKey {
fn send_event(&mut self, key_state: &mut [bool], mut event: input_event, device: &Device) {
let left_shift = key_state[LEFTSHIFT_INDEX];
let right_shift = key_state[RIGHTSHIFT_INDEX];
let caps_lock = key_state[CAPSLOCK_INDEX];
if caps_lock != (left_shift || right_shift) {
self.shift_half.send_key(key_state, event, device, left_shift, right_shift, caps_lock);
} else {
self.noshift_half.send_key(key_state, event, device, left_shift, right_shift, caps_lock);
}
}
}
#[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>
}
/*
‎c`p‎: no, ? converts the error with From<> in its expansion
‎c`p‎: so unless io::Error: From<toml::Error> it isnt going to work
c`p‎: the idea with your own error type is that MyError: From<io::Error> + From<toml::Error> + etc etc
‎c`p‎: ie enum MyError { Io(io::Error), Toml(toml::Error), ... }
c`p‎: error-chain does all this stuff for you
*/
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!"))
}
}