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keymapper.rs is now fully platform agnostic, successfully passed through generic hell

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This commit is contained in:
Travis Burtrum 2019-10-06 13:51:01 -04:00
parent 50b84dea0a
commit f47d9e4be7
4 changed files with 262 additions and 155 deletions
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337
src/keymapper.rs
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@ -1,57 +1,87 @@
use crate::Device;
use libc::{c_int, input_event};
use uinput_sys::{KEY_LEFTSHIFT, KEY_RIGHTSHIFT, KEY_CAPSLOCK};
use std::fs::File; use std::fs::File;
use std::io::Read; use std::io::Read;
use std::collections::HashMap; use std::collections::HashMap;
use std::hash::Hash;
use std::convert::TryFrom;
use crate::{Error, Result}; use crate::{Error, Result};
// 1 is down, 0 is up
const DOWN: i32 = 1;
const UP: i32 = 0;
const INVERT_KEY_FLAG: char = '^'; const INVERT_KEY_FLAG: char = '^';
const CAPS_MODIFY_KEY_FLAG: char = '*'; const CAPS_MODIFY_KEY_FLAG: char = '*';
const HALF_KEY_SEPARATOR: char = ':'; const HALF_KEY_SEPARATOR: char = ':';
const LEFTSHIFT_INDEX: usize = KEY_LEFTSHIFT as usize; // nightly only...
const RIGHTSHIFT_INDEX: usize = KEY_RIGHTSHIFT as usize; //pub trait KeyCode = Into<usize> + TryFrom<usize> + Copy + Clone + Eq + Hash + Default + 'static;
const CAPSLOCK_INDEX: usize = KEY_CAPSLOCK as usize;
const KEY_LEFTSHIFT_U16: u16 = KEY_LEFTSHIFT as u16; #[derive(PartialEq)]
const KEY_RIGHTSHIFT_U16: u16 = KEY_RIGHTSHIFT as u16; pub enum KeyState {
const KEY_CAPSLOCK_U16: u16 = KEY_CAPSLOCK as u16; DOWN,
UP,
trait KeyMapper { OTHER,
fn send_event(&self, key_state: &[bool], event: &mut input_event, device: &Device) -> Result<()>;
} }
pub struct KeyMaps { pub trait KeyEvent<T>
keymaps: Vec<Box<KeyMapper>>, where
keymap_index_keys: HashMap<u16, usize>, T: Into<usize>,
{
fn code(&self) -> T;
fn value(&self) -> KeyState;
}
pub trait Keyboard<T, E, R = ()>
where
T: Into<usize>,
E: KeyEvent<T>,
{
fn send(&self, event: &mut E) -> Result<R>;
fn send_mod_code(&self, code: T, event: &mut E) -> Result<R>;
fn send_mod_code_value(&self, code: T, up_not_down: bool, event: &mut E) -> Result<R>;
fn synchronize(&self) -> Result<R>;
fn left_shift_code(&self) -> T;
fn right_shift_code(&self) -> T;
fn caps_lock_code(&self) -> T;
fn block_key(&self) -> Result<R>;
}
pub trait KeyMapper<K, T, E, R>
where
T: Into<usize>,
E: KeyEvent<T>,
K: Keyboard<T, E, R>,
{
fn send_event(&self, key_state: &[bool], event: &mut E, device: &K) -> Result<R>;
}
pub struct KeyMaps<K, T, E, R = ()>
where
T: Into<usize> + Copy + Clone + Eq + Hash,
E: KeyEvent<T>,
K: Keyboard<T, E, R>,
{
keymaps: Vec<Box<dyn KeyMapper<K, T, E, R>>>,
keymap_index_keys: HashMap<T, usize>,
switch_layout_keys: Vec<usize>, switch_layout_keys: Vec<usize>,
key_state: [bool; KEY_MAX], key_state: [bool; KEY_MAX],
revert_default_key: u16, revert_default_key: T,
revert_keymap_index: usize, revert_keymap_index: usize,
// above do not change, below does // above do not change, below does
chosen_keymap_index: usize, chosen_keymap_index: usize,
current_keymap_index: usize, current_keymap_index: usize,
} }
fn parse_key(key_map: &HashMap<&'static str, c_int>, key: &str) -> u16 { fn parse_key<T: Clone + Copy>(key_map: &HashMap<&'static str, T>, key: &str) -> T {
match key_map.get(key.trim_matches(|c: char| c.is_whitespace() || c == INVERT_KEY_FLAG || c == CAPS_MODIFY_KEY_FLAG)) { 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, Some(key_code) => *key_code,
None => panic!("unknown key: {}", key.trim()) None => panic!("unknown key: {}", key.trim())
} }
} }
fn parse_keymap_numeric(key_map: &HashMap<&'static str, c_int>, keymap: &str) -> Vec<u16> { fn parse_keymap_numeric<T: Clone + Copy>(key_map: &HashMap<&'static str, T>, keymap: &str) -> Vec<T> {
keymap.split(",").map(|k| parse_key(key_map, k)).collect() keymap.split(",").map(|k| parse_key(key_map, k)).collect()
} }
fn parse_key_half_inverted(key_map: &HashMap<&'static str, c_int>, key: &str) -> HalfInvertedKey { fn parse_key_half_inverted<T: Clone + Copy>(key_map: &HashMap<&'static str, T>, key: &str) -> HalfInvertedKey<T> {
HalfInvertedKey { HalfInvertedKey {
code: parse_key(key_map, key), code: parse_key(key_map, key),
invert_shift: key.contains(INVERT_KEY_FLAG), invert_shift: key.contains(INVERT_KEY_FLAG),
@ -60,14 +90,14 @@ fn parse_key_half_inverted(key_map: &HashMap<&'static str, c_int>, key: &str) ->
} }
// maybe shortcut to this if not contains * or : // maybe shortcut to this if not contains * or :
fn parse_keymap_u16(key_map: &HashMap<&'static str, c_int>, keymap: &str) -> Vec<u16> { fn parse_keymap_u16<T: Clone + Copy>(key_map: &HashMap<&'static str, T>, keymap: &str) -> Vec<T> {
keymap.split(",").map(|k| parse_key(key_map, k)).collect() keymap.split(",").map(|k| parse_key(key_map, k)).collect()
} }
// todo: how do I return an iterator here instead of .collect to Vec? // todo: how do I return an iterator here instead of .collect to Vec?
fn parse_keymap(key_map: &HashMap<&'static str, c_int>, keymap: &str) -> Vec<Key> { fn parse_keymap<T: Copy>(key_map: &HashMap<&'static str, T>, keymap: &str) -> Vec<Key<T>> {
keymap.split(",").map(|k| { keymap.split(",").map(|k| {
let ret: Key = if k.contains(HALF_KEY_SEPARATOR) { let ret: Key<T> = if k.contains(HALF_KEY_SEPARATOR) {
let keys: Vec<&str> = k.split(HALF_KEY_SEPARATOR).collect(); let keys: Vec<&str> = k.split(HALF_KEY_SEPARATOR).collect();
if keys.len() != 2 { if keys.len() != 2 {
panic!("split key can only have 2 keys, 1 :, has {} keys", keys.len()); panic!("split key can only have 2 keys, 1 :, has {} keys", keys.len());
@ -84,13 +114,18 @@ fn parse_keymap(key_map: &HashMap<&'static str, c_int>, keymap: &str) -> Vec<Key
}).collect() }).collect()
} }
impl KeyMaps { impl<K, T, E, R> KeyMaps<K, T, E, R>
pub fn from_cfg<P: AsRef<Path>>(key_map: &HashMap<&'static str, c_int>, path: P) -> KeyMaps { where
T: Into<usize> + TryFrom<usize> + Copy + Clone + Eq + Hash + Default + 'static,
E: KeyEvent<T>,
K: Keyboard<T, E, R>,
{
pub fn from_cfg<P: AsRef<Path>>(key_map: &HashMap<&'static str, T>, path: P) -> KeyMaps<K, T, E, R> {
let key_map_config = parse_cfg(path).expect("provided config cannot be found/parsed"); let key_map_config = parse_cfg(path).expect("provided config cannot be found/parsed");
KeyMaps::new(key_map, key_map_config) KeyMaps::new(key_map, key_map_config)
} }
pub fn new(key_map: &HashMap<&'static str, c_int>, config: KeymapConfig) -> KeyMaps { pub fn new(key_map: &HashMap<&'static str, T>, config: KeymapConfig) -> KeyMaps<K, T, E, R> {
if config.keymaps.len() < 2 { if config.keymaps.len() < 2 {
panic!("must have at least 2 keymaps (original and mapped) but only have {},", config.keymaps.len()); panic!("must have at least 2 keymaps (original and mapped) but only have {},", config.keymaps.len());
} }
@ -99,10 +134,10 @@ impl KeyMaps {
} }
let base_keymap = parse_keymap_numeric(key_map, &config.keymaps[0]); let base_keymap = parse_keymap_numeric(key_map, &config.keymaps[0]);
//println!("base_keymap : {:?}", base_keymap); //println!("base_keymap : {:?}", base_keymap);
let mut keymaps: Vec<Box<KeyMapper>> = vec!(Box::new(Key::Noop)); // todo: can we share the box? let mut keymaps: Vec<Box<dyn KeyMapper<K, T, E, R>>> = vec!(Box::new(Key::Noop)); // todo: can we share the box?
let mut keymap_index_keys: HashMap<u16, usize> = HashMap::new(); let mut keymap_index_keys: HashMap<T, usize> = HashMap::new();
for (x, v) in config.keymaps.iter().enumerate() { for (x, v) in config.keymaps.iter().enumerate() {
keymap_index_keys.insert(*key_map.get(&*x.to_string()).unwrap() as u16, x); keymap_index_keys.insert(*key_map.get(&*x.to_string()).unwrap(), x);
if x == 0 { if x == 0 {
continue; continue;
} }
@ -141,7 +176,7 @@ impl KeyMaps {
KeyMaps { KeyMaps {
keymaps: keymaps, keymaps: keymaps,
keymap_index_keys: keymap_index_keys, keymap_index_keys: keymap_index_keys,
switch_layout_keys: config.switch_layout_keys.iter().map(|k| parse_key(key_map, k) as usize).collect(), switch_layout_keys: config.switch_layout_keys.iter().map(|k| parse_key(key_map, k).into()).collect(),
key_state: [false; KEY_MAX], key_state: [false; KEY_MAX],
// todo: detect key state? at least CAPSLOCK... // todo: detect key state? at least CAPSLOCK...
revert_default_key: parse_key(key_map, &config.revert_default_key), revert_default_key: parse_key(key_map, &config.revert_default_key),
@ -150,20 +185,21 @@ impl KeyMaps {
current_keymap_index: config.default_keymap_index, current_keymap_index: config.default_keymap_index,
} }
} }
} //}
//impl KeyMapper for KeyMaps { //impl KeyMapper for KeyMaps {
impl KeyMaps { //impl KeyMaps {
pub fn send_event(&mut self, mut event: &mut input_event, device: &Device) -> Result<()> { pub fn send_event(&mut self, mut event: &mut E, device: &K) -> Result<R> {
//println!("type: {} code: {} value: {}", event.type_, event.code, event.value); //println!("type: {} code: {} value: {}", event.type_, event.code, event.value);
if event.value != 2 { let value = event.value();
if value != KeyState::OTHER {
// todo: index check here... // todo: index check here...
if event.code == KEY_CAPSLOCK_U16 { if event.code() == device.caps_lock_code() {
if event.value == DOWN { if value == KeyState::DOWN {
self.key_state[CAPSLOCK_INDEX] = !self.key_state[CAPSLOCK_INDEX]; self.key_state[device.caps_lock_code().into()] = !self.key_state[device.caps_lock_code().into()];
} }
} else { } else {
self.key_state[event.code as usize] = event.value == DOWN; self.key_state[event.code().into()] = value == KeyState::DOWN;
} }
let mut switch_layout_keys_pressed = true; let mut switch_layout_keys_pressed = true;
for layout_switch_key in self.switch_layout_keys.iter_mut() { for layout_switch_key in self.switch_layout_keys.iter_mut() {
@ -174,18 +210,18 @@ impl KeyMaps {
} }
//println!("switch_layout_keys_pressed: {}", self.switch_layout_keys_pressed); //println!("switch_layout_keys_pressed: {}", self.switch_layout_keys_pressed);
if switch_layout_keys_pressed { if switch_layout_keys_pressed {
let new_index = self.keymap_index_keys.get(&event.code); let new_index = self.keymap_index_keys.get(&event.code());
if new_index.is_some() { if new_index.is_some() {
self.chosen_keymap_index = *new_index.unwrap(); 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 self.current_keymap_index = self.chosen_keymap_index; // todo: what if revert_default_key is held? for now ignore
return Ok(()); // we don't want to also send this keypress, so bail return device.block_key(); // we don't want to also send this keypress, so bail
} }
} }
if event.code == self.revert_default_key { if event.code() == self.revert_default_key {
match event.value { match 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... // 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, KeyState::DOWN => self.current_keymap_index = self.revert_keymap_index,
UP => self.current_keymap_index = self.chosen_keymap_index, KeyState::UP => self.current_keymap_index = self.chosen_keymap_index,
_ => () // do nothing for 2 _ => () // do nothing for 2
} }
} }
@ -197,17 +233,17 @@ impl KeyMaps {
// 249 is one more than KEY_MICMUTE which is max key in uinput-sys event.rs // 249 is one more than KEY_MICMUTE which is max key in uinput-sys event.rs
const KEY_MAX: usize = 249; const KEY_MAX: usize = 249;
struct KeyMap { struct KeyMap<T: Into<usize> + Copy> {
//keymap: Vec<Key>, //keymap: Vec<Key>,
keymap: [Key; KEY_MAX], keymap: [Key<T>; KEY_MAX],
} }
impl KeyMap { impl<T: Into<usize> + Copy> KeyMap<T> {
pub fn new() -> Self { pub fn new() -> Self {
//let mut keymap = [0u16; KEY_MAX]; //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(NOOP); KEY_MAX];
//let mut keymap : [Box<KeyMapper>; KEY_MAX] = [Box::new(0u16); KEY_MAX]; //let mut keymap : [Box<KeyMapper>; KEY_MAX] = [Box::new(0u16); KEY_MAX];
let keymap : [Key; KEY_MAX] = [Key::Noop; KEY_MAX]; let keymap: [Key<T>; KEY_MAX] = [Key::Noop; KEY_MAX];
/* /*
let mut keymap: Vec<Key> = Vec::with_capacity(KEY_MAX); let mut keymap: Vec<Key> = Vec::with_capacity(KEY_MAX);
#[allow(unused_variables)] #[allow(unused_variables)]
@ -234,25 +270,30 @@ impl KeyMap {
self.keymap[from as usize] = to; self.keymap[from as usize] = to;
} }
*/ */
pub fn map(&mut self, from: u16, to: Key) { pub fn map(&mut self, from: T, to: Key<T>) {
self.keymap[from as usize] = to; self.keymap[from.into()] = to;
} }
} }
impl KeyMapper for KeyMap { impl<K, T, E, R> KeyMapper<K, T, E, R> for KeyMap<T>
fn send_event(&self, key_state: &[bool], event: &mut input_event, device: &Device) -> Result<()> { where
self.keymap[event.code as usize].send_event(key_state, event, device) T: Into<usize> + Copy,
E: KeyEvent<T>,
K: Keyboard<T, E, R>,
{
fn send_event(&self, key_state: &[bool], event: &mut E, device: &K) -> Result<R> {
self.keymap[event.code().into()].send_event(key_state, event, device)
} }
} }
struct CodeKeyMap { struct CodeKeyMap<T: Into<usize> + TryFrom<usize> + Copy + Default> {
//keymap: Vec<Key>, //keymap: Vec<Key>,
keymap: [u16; KEY_MAX], keymap: [T; KEY_MAX],
} }
impl CodeKeyMap { impl<T: Into<usize> + TryFrom<usize> + Copy + Default> CodeKeyMap<T> {
pub fn new() -> Self { pub fn new() -> Self {
let mut keymap = [0u16; KEY_MAX]; let mut keymap = [T::default(); KEY_MAX];
// which is rustier // which is rustier
/* /*
for x in 0..KEY_MAX { for x in 0..KEY_MAX {
@ -260,7 +301,7 @@ impl CodeKeyMap {
} }
*/ */
for (x, v) in keymap.iter_mut().enumerate() { for (x, v) in keymap.iter_mut().enumerate() {
*v = x as u16; *v = T::try_from(x).unwrap_or_else(|_| panic!("cannot convert from usize to T ????"));
} }
//println!("keymap: {:?}", &keymap[..]); //println!("keymap: {:?}", &keymap[..]);
CodeKeyMap { CodeKeyMap {
@ -268,29 +309,27 @@ impl CodeKeyMap {
} }
} }
pub fn map(&mut self, from: u16, to: u16) { pub fn map(&mut self, from: T, to: T) {
self.keymap[from as usize] = to; self.keymap[from.into()] = to;
} }
} }
impl KeyMapper for CodeKeyMap { impl<K, T, E, R> KeyMapper<K, T, E, R> for CodeKeyMap<T>
fn send_event(&self, key_state: &[bool], event: &mut input_event, device: &Device) -> Result<()> { where
self.keymap[event.code as usize].send_event(key_state, event, device) T: Into<usize> + TryFrom<usize> + Copy + Default,
} E: KeyEvent<T>,
} K: Keyboard<T, E, R>,
{
#[allow(unused_variables, unused_mut)] fn send_event(&self, _key_state: &[bool], event: &mut E, device: &K) -> Result<R> {
impl KeyMapper for u16 { device.send_mod_code(self.keymap[event.code().into()], event)
fn send_event(&self, key_state: &[bool], mut event: &mut input_event, device: &Device) -> Result<()> { //self.keymap[event.code().into()].send_event(key_state, event, device)
event.code = *self;
device.write_event(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? // 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?
#[derive(Clone, Copy)] #[derive(Clone, Copy)]
struct HalfInvertedKey { struct HalfInvertedKey<T: Clone + Copy> {
code: u16, code: T,
// code this is describing // code this is describing
invert_shift: bool, invert_shift: bool,
// true to invert shift for this code // true to invert shift for this code
@ -298,100 +337,102 @@ struct HalfInvertedKey {
// true means capslock does not normally modify this, but you would like it to // true means capslock does not normally modify this, but you would like it to
} }
impl HalfInvertedKey { fn send_half_inverted_key<K, T, E, R>(half_inverted_key: &HalfInvertedKey<T>, event: &mut E, device: &K, left_shift: bool, right_shift: bool, caps_lock: bool) -> Result<R>
fn send_key(&self, key_state: &[bool], event: &mut input_event, device: &Device, left_shift: bool, right_shift: bool, caps_lock: bool) -> Result<()> { where
let code = self.code; T: Into<usize> + Clone + Copy,
let value = event.value; E: KeyEvent<T>,
let mut invert_shift = self.invert_shift; K: Keyboard<T, E, R>,
if value == DOWN { {
if caps_lock && self.capslock_nomodify { let value = event.value();
invert_shift = !invert_shift; let mut invert_shift = half_inverted_key.invert_shift;
} if value == KeyState::DOWN {
if invert_shift { if caps_lock && half_inverted_key.capslock_nomodify {
if left_shift { invert_shift = !invert_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)?;
// SYN_REPORT after, then key, then key's SYN_REPORT
device.synchronize()?;
event.code = code; // not needed since u16 does it
event.value = value;
}
} }
code.send_event(key_state, event, device)?; if invert_shift {
if value == UP { let (shift_code, up_not_down) = if left_shift {
if caps_lock && self.capslock_nomodify { (device.left_shift_code(), true)
invert_shift = !invert_shift; } else if right_shift {
} (device.right_shift_code(), true)
if invert_shift { } else {
if left_shift { (device.left_shift_code(), false)
event.code = KEY_LEFTSHIFT_U16; };
event.value = DOWN; device.send_mod_code_value(shift_code, up_not_down, event)?;
} else if right_shift { // SYN_REPORT after, then key, then key's SYN_REPORT
event.code = KEY_RIGHTSHIFT_U16; device.synchronize()?;
event.value = DOWN;
} else {
event.code = KEY_LEFTSHIFT_U16;
event.value = UP;
}
//event.code.send_event(key_state, event, device);
// SYN_REPORT first after key, then shift, then key's SYN_REPORT which will be used for shift's
device.synchronize()?;
device.write_event(event)?;
// neither of these are needed now...
event.code = code; // not needed since u16 does it
event.value = value;
}
} }
Ok(())
} }
let ret = device.send_mod_code(half_inverted_key.code, event)?;
if value == KeyState::UP {
if caps_lock && half_inverted_key.capslock_nomodify {
invert_shift = !invert_shift;
}
if invert_shift {
let (shift_code, up_not_down) = if left_shift {
(device.left_shift_code(), false)
} else if right_shift {
(device.right_shift_code(), false)
} else {
(device.left_shift_code(), true)
};
// SYN_REPORT first after key, then shift, then key's SYN_REPORT which will be used for shift's
device.synchronize()?;
device.send_mod_code_value(shift_code, up_not_down, event)?;
}
}
Ok(ret)
} }
impl KeyMapper for HalfInvertedKey { impl<K, T, E, R> KeyMapper<K, T, E, R> for HalfInvertedKey<T>
fn send_event(&self, key_state: &[bool], event: &mut input_event, device: &Device) -> Result<()> { where
let left_shift = key_state[LEFTSHIFT_INDEX]; T: Into<usize> + Clone + Copy,
let right_shift = key_state[RIGHTSHIFT_INDEX]; E: KeyEvent<T>,
let caps_lock = key_state[CAPSLOCK_INDEX]; K: Keyboard<T, E, R>,
self.send_key(key_state, event, device, left_shift, right_shift, caps_lock) {
fn send_event(&self, key_state: &[bool], event: &mut E, device: &K) -> Result<R> {
let left_shift = key_state[device.left_shift_code().into()];
let right_shift = key_state[device.right_shift_code().into()];
let caps_lock = key_state[device.caps_lock_code().into()];
send_half_inverted_key(self, event, device, left_shift, right_shift, caps_lock)
} }
} }
#[derive(Clone, Copy)] #[derive(Clone, Copy)]
enum Key { enum Key<T>
where
T: Copy + Clone
{
Noop, Noop,
Direct(u16), Direct(T),
HalfKey(HalfInvertedKey), HalfKey(HalfInvertedKey<T>),
FullKey(HalfInvertedKey, HalfInvertedKey), FullKey(HalfInvertedKey<T>, HalfInvertedKey<T>),
} }
impl KeyMapper for Key { impl<K, T, E, R> KeyMapper<K, T, E, R> for Key<T>
fn send_event(&self, key_state: &[bool], event: &mut input_event, device: &Device) -> Result<()> { where
T: Into<usize> + Copy,
E: KeyEvent<T>,
K: Keyboard<T, E, R>,
{
fn send_event(&self, key_state: &[bool], event: &mut E, device: &K) -> Result<R> {
match *self { match *self {
Key::Noop => { Key::Noop => {
device.write_event(event) device.send(event)
}, },
Key::Direct(code) => { Key::Direct(code) => {
code.send_event(key_state, event, device) device.send_mod_code(code, event)
}, },
Key::HalfKey(ref key_half) => { Key::HalfKey(ref key_half) => {
key_half.send_event(key_state, event, device) key_half.send_event(key_state, event, device)
}, },
Key::FullKey(ref noshift_half, ref shift_half) => { Key::FullKey(ref noshift_half, ref shift_half) => {
let left_shift = key_state[LEFTSHIFT_INDEX]; let left_shift = key_state[device.left_shift_code().into()];
let right_shift = key_state[RIGHTSHIFT_INDEX]; let right_shift = key_state[device.right_shift_code().into()];
let caps_lock = key_state[CAPSLOCK_INDEX]; let caps_lock = key_state[device.caps_lock_code().into()];
if caps_lock != (left_shift || right_shift) { if caps_lock != (left_shift || right_shift) {
shift_half.send_key(key_state, event, device, left_shift, right_shift, caps_lock) send_half_inverted_key(shift_half, event, device, left_shift, right_shift, caps_lock)
} else { } else {
noshift_half.send_key(key_state, event, device, left_shift, right_shift, caps_lock) send_half_inverted_key(noshift_half, event, device, left_shift, right_shift, caps_lock)
} }
}, },
} }

2
src/lib.rs
View File

@ -8,7 +8,7 @@ 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 mod keymapper;
pub use keymapper::KeyMaps; pub use keymapper::*;
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
mod linux; mod linux;

2
src/linux/device/builder.rs
View File

@ -69,7 +69,7 @@ impl Builder {
self self
} }
pub fn event(mut self, key_codes: Values<&str, c_int>) -> Res<Self> { pub fn event(mut self, key_codes: Values<&str, u16>) -> Res<Self> {
self.abs = None; self.abs = None;
//let test_ev_key : c_int = EV_KEY as c_int; //let test_ev_key : c_int = EV_KEY as c_int;
unsafe { unsafe {

76
src/linux/mod.rs
View File

@ -22,6 +22,10 @@ use std::{env, thread};
use std::sync::mpsc; use std::sync::mpsc;
use std::sync::mpsc::Sender; use std::sync::mpsc::Sender;
// 1 is down, 0 is up
const DOWN: i32 = 1;
const UP: i32 = 0;
use getopts::Options; use getopts::Options;
use inotify::{ use inotify::{
@ -30,12 +34,74 @@ use inotify::{
WatchMask, WatchMask,
}; };
use std::collections::HashMap; use std::collections::HashMap;
use std::os::raw::c_int;
const VERSION: &'static str = env!("CARGO_PKG_VERSION"); const VERSION: &'static str = env!("CARGO_PKG_VERSION");
const EV_KEY_U16: u16 = EV_KEY as u16; const EV_KEY_U16: u16 = EV_KEY as u16;
type LinuxKeyMaps = KeyMaps<Device, u16, input_event>;
impl KeyEvent<u16> for input_event {
fn code(&self) -> u16 {
self.code
}
fn value(&self) -> KeyState {
match self.value {
UP => KeyState::UP,
DOWN => KeyState::DOWN,
_ => KeyState::OTHER,
}
}
}
impl Keyboard<u16, input_event> for Device {
fn send(&self, event: &mut input_event) -> Result<()> {
self.write_event(event)
}
fn send_mod_code(&self, code: u16, event: &mut input_event) -> Result<()> {
event.code = code;
Keyboard::send(self, event)
}
fn send_mod_code_value(&self, code: u16, up_not_down: bool, event: &mut input_event) -> Result<()> {
event.code = code;
let value = event.value;
if up_not_down {
event.value = UP;
} else {
event.value = DOWN;
}
Keyboard::send(self, event)?;
// set it back
event.value = value;
Ok(())
}
fn synchronize(&self) -> Result<()> {
Device::synchronize(self)
}
fn left_shift_code(&self) -> u16 {
KEY_LEFTSHIFT as u16
}
fn right_shift_code(&self) -> u16 {
KEY_RIGHTSHIFT as u16
}
fn caps_lock_code(&self) -> u16 {
KEY_CAPSLOCK as u16
}
fn block_key(&self) -> Result<()> {
Ok(()) // we don't actually use/need this here
}
}
#[derive(Debug)] #[derive(Debug)]
struct Config { struct Config {
device_files: Vec<String>, device_files: Vec<String>,
@ -62,7 +128,7 @@ pub fn main_res() -> Result<()> {
.event(key_map.values())? .event(key_map.values())?
.create()?; .create()?;
let mut key_map = KeyMaps::from_cfg(&key_map, &config.config_file); let mut key_map = LinuxKeyMaps::from_cfg(&key_map, &config.config_file);
//println!("keymaps: {:?}", keymaps); //println!("keymaps: {:?}", keymaps);
if config.device_files.len() == 1 { if config.device_files.len() == 1 {
@ -135,7 +201,7 @@ pub fn main_res() -> Result<()> {
Ok(()) Ok(())
} }
fn send_event(key_map: &mut KeyMaps, mut event: input_event, device: &Device) -> Result<()> { fn send_event(key_map: &mut LinuxKeyMaps, mut event: input_event, device: &Device) -> Result<()> {
if event.type_ == EV_KEY_U16 { if event.type_ == EV_KEY_U16 {
key_map.send_event(&mut event, &device)? key_map.send_event(&mut event, &device)?
} else { } else {
@ -233,7 +299,7 @@ fn get_keyboard_device_filenames() -> Vec<String> {
filenames filenames
} }
pub fn key_map() -> HashMap<&'static str, c_int> { pub fn key_map() -> HashMap<&'static str, u16> {
[ [
// generated like: // 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"),"}' // 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"),"}'
@ -541,5 +607,5 @@ pub fn key_map() -> HashMap<&'static str, c_int> {
("P0", KEY_KP0), ("P0", KEY_KP0),
("PDOT", KEY_KPDOT), ("PDOT", KEY_KPDOT),
("PENT", KEY_KPENTER), ("PENT", KEY_KPENTER),
].iter().cloned().map(|(m, v)| (m, v)).collect() ].iter().cloned().map(|(m, v)| (m, v as u16)).collect()
} }