627 lines
21 KiB
Rust
627 lines
21 KiB
Rust
#[cfg(not(any(target_os = "android", target_os = "ios")))]
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use crate::client::get_key_state;
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use crate::common::GrabState;
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#[cfg(feature = "flutter")]
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use crate::flutter::FlutterHandler;
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#[cfg(not(feature = "flutter"))]
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use crate::ui::remote::SciterHandler;
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use crate::ui_session_interface::Session;
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use hbb_common::{log, message_proto::*};
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use rdev::{Event, EventType, Key};
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use std::{
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collections::{HashMap, HashSet},
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sync::{
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atomic::{AtomicBool, Ordering},
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mpsc, Arc, Mutex,
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},
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thread,
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time::SystemTime,
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};
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static mut IS_ALT_GR: bool = false;
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static KEYBOARD_HOOKED: AtomicBool = AtomicBool::new(false);
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lazy_static::lazy_static! {
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static ref GRAB_SENDER: Arc<Mutex<Option<mpsc::Sender<GrabState>>>> = Default::default();
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}
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#[cfg(feature = "flutter")]
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lazy_static::lazy_static! {
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static ref CUR_SESSION: Arc<Mutex<Option<Session<FlutterHandler>>>> = Default::default();
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}
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#[cfg(not(feature = "flutter"))]
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lazy_static::lazy_static! {
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static ref CUR_SESSION: Arc<Mutex<Option<Session<SciterHandler>>>> = Default::default();
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}
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lazy_static::lazy_static! {
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static ref TO_RELEASE: Arc<Mutex<HashSet<Key>>> = Arc::new(Mutex::new(HashSet::<Key>::new()));
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static ref MODIFIERS_STATE: Mutex<HashMap<Key, bool>> = {
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let mut m = HashMap::new();
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m.insert(Key::ShiftLeft, false);
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m.insert(Key::ShiftRight, false);
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m.insert(Key::ControlLeft, false);
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m.insert(Key::ControlRight, false);
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m.insert(Key::Alt, false);
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m.insert(Key::AltGr, false);
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m.insert(Key::MetaLeft, false);
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m.insert(Key::MetaRight, false);
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Mutex::new(m)
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};
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}
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pub fn set_cur_session(session: Session<SciterHandler>) {
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*CUR_SESSION.lock().unwrap() = Some(session);
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}
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pub mod client {
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use super::*;
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pub fn get_keyboard_mode() -> String {
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if let Some(handler) = CUR_SESSION.lock().unwrap().as_ref() {
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handler.get_keyboard_mode()
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} else {
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"legacy".to_string()
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}
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}
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pub fn start_grab_loop() {
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let (sender, receiver) = mpsc::channel::<GrabState>();
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grab_loop(receiver);
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*GRAB_SENDER.lock().unwrap() = Some(sender);
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change_grab_status(GrabState::Ready);
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}
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pub fn change_grab_status(state: GrabState) {
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if GrabState::Wait == state {
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release_remote_keys();
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}
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if let Some(sender) = &*GRAB_SENDER.lock().unwrap() {
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sender.send(state).ok();
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}
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}
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pub fn process_event(event: Event) {
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if is_long_press(&event) {
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return;
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}
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let key_event = event_to_key_event(&event);
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send_key_event(&key_event);
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}
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pub fn get_modifiers_state(
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alt: bool,
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ctrl: bool,
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shift: bool,
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command: bool,
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) -> (bool, bool, bool, bool) {
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let modifiers_lock = MODIFIERS_STATE.lock().unwrap();
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let ctrl = *modifiers_lock.get(&Key::ControlLeft).unwrap()
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|| *modifiers_lock.get(&Key::ControlRight).unwrap()
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|| ctrl;
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let shift = *modifiers_lock.get(&Key::ShiftLeft).unwrap()
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|| *modifiers_lock.get(&Key::ShiftRight).unwrap()
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|| shift;
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let command = *modifiers_lock.get(&Key::MetaLeft).unwrap()
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|| *modifiers_lock.get(&Key::MetaRight).unwrap()
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|| command;
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let alt = *modifiers_lock.get(&Key::Alt).unwrap()
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|| *modifiers_lock.get(&Key::AltGr).unwrap()
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|| alt;
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(alt, ctrl, shift, command)
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}
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pub fn legacy_modifiers(
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key_event: &mut KeyEvent,
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alt: bool,
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ctrl: bool,
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shift: bool,
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command: bool,
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) {
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if alt
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&& !crate::is_control_key(&key_event, &ControlKey::Alt)
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&& !crate::is_control_key(&key_event, &ControlKey::RAlt)
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{
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key_event.modifiers.push(ControlKey::Alt.into());
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}
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if shift
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&& !crate::is_control_key(&key_event, &ControlKey::Shift)
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&& !crate::is_control_key(&key_event, &ControlKey::RShift)
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{
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key_event.modifiers.push(ControlKey::Shift.into());
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}
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if ctrl
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&& !crate::is_control_key(&key_event, &ControlKey::Control)
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&& !crate::is_control_key(&key_event, &ControlKey::RControl)
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{
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key_event.modifiers.push(ControlKey::Control.into());
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}
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if command
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&& !crate::is_control_key(&key_event, &ControlKey::Meta)
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&& !crate::is_control_key(&key_event, &ControlKey::RWin)
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{
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key_event.modifiers.push(ControlKey::Meta.into());
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}
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}
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pub fn lock_screen() {
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let mut key_event = KeyEvent::new();
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key_event.set_control_key(ControlKey::LockScreen);
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key_event.down = true;
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key_event.mode = KeyboardMode::Legacy.into();
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send_key_event(&key_event);
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}
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pub fn ctrl_alt_del() {
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let mut key_event = KeyEvent::new();
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if get_peer_platform() == "Windows" {
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key_event.set_control_key(ControlKey::CtrlAltDel);
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key_event.down = true;
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} else {
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key_event.set_control_key(ControlKey::Delete);
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legacy_modifiers(&mut key_event, true, true, false, false);
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key_event.press = true;
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}
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key_event.mode = KeyboardMode::Legacy.into();
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send_key_event(&key_event);
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}
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}
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pub fn grab_loop(recv: mpsc::Receiver<GrabState>) {
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thread::spawn(move || loop {
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if let Some(state) = recv.recv().ok() {
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match state {
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GrabState::Ready => {
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#[cfg(any(target_os = "windows", target_os = "macos"))]
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std::thread::spawn(move || {
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let func = move |event: Event| match event.event_type {
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EventType::KeyPress(key) | EventType::KeyRelease(key) => {
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// fix #2211：CAPS LOCK don't work
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if key == Key::CapsLock || key == Key::NumLock {
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return Some(event);
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}
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if KEYBOARD_HOOKED.load(Ordering::SeqCst) {
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client::process_event(event);
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return None;
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} else {
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return Some(event);
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}
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}
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_ => Some(event),
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};
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if let Err(error) = rdev::grab(func) {
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log::error!("rdev Error: {:?}", error)
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}
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});
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#[cfg(target_os = "linux")]
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rdev::start_grab_listen(move |event: Event| match event.event_type {
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EventType::KeyPress(key) | EventType::KeyRelease(key) => {
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if let Key::Unknown(keycode) = key {
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log::error!("rdev get unknown key, keycode is : {:?}", keycode);
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} else {
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client::process_event(event);
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}
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None
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}
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_ => Some(event),
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});
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}
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GrabState::Run => {
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#[cfg(any(target_os = "windows", target_os = "macos"))]
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KEYBOARD_HOOKED.swap(true, Ordering::SeqCst);
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#[cfg(target_os = "linux")]
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rdev::enable_grab().ok();
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}
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GrabState::Wait => {
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#[cfg(any(target_os = "windows", target_os = "macos"))]
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KEYBOARD_HOOKED.swap(false, Ordering::SeqCst);
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#[cfg(target_os = "linux")]
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rdev::disable_grab().ok();
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}
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GrabState::Exit => {
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#[cfg(target_os = "linux")]
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rdev::exit_grab_listen().ok();
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}
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}
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}
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});
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}
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pub fn is_long_press(event: &Event) -> bool {
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let keys = MODIFIERS_STATE.lock().unwrap();
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match event.event_type {
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EventType::KeyPress(k) => {
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if let Some(&state) = keys.get(&k) {
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if state == true {
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return true;
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}
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}
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}
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_ => {}
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};
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return false;
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}
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pub fn release_remote_keys() {
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// todo!: client quit suddenly, how to release keys?
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let to_release = TO_RELEASE.lock().unwrap();
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let keys = to_release.iter().map(|&key| key).collect::<Vec<Key>>();
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drop(to_release);
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for key in keys {
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let event_type = EventType::KeyRelease(key);
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let event = event_type_to_event(event_type);
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client::process_event(event);
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}
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}
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pub fn get_keyboard_mode_enum() -> KeyboardMode {
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match client::get_keyboard_mode().as_str() {
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"map" => KeyboardMode::Map,
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"translate" => KeyboardMode::Translate,
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_ => KeyboardMode::Legacy,
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}
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}
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#[cfg(not(any(target_os = "android", target_os = "ios")))]
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pub fn add_numlock_capslock_state(key_event: &mut KeyEvent) {
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if get_key_state(enigo::Key::CapsLock) {
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key_event.modifiers.push(ControlKey::CapsLock.into());
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}
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if get_key_state(enigo::Key::NumLock) {
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key_event.modifiers.push(ControlKey::NumLock.into());
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}
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}
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#[cfg(not(any(target_os = "android", target_os = "ios")))]
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pub fn convert_numpad_keys(key: Key) -> Key {
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if get_key_state(enigo::Key::NumLock) {
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return key;
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}
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match key {
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Key::Kp0 => Key::Insert,
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Key::KpDecimal => Key::Delete,
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Key::Kp1 => Key::End,
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Key::Kp2 => Key::DownArrow,
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Key::Kp3 => Key::PageDown,
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Key::Kp4 => Key::LeftArrow,
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Key::Kp5 => Key::Clear,
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Key::Kp6 => Key::RightArrow,
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Key::Kp7 => Key::Home,
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Key::Kp8 => Key::UpArrow,
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Key::Kp9 => Key::PageUp,
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_ => key,
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}
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}
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fn update_modifiers_state(event: &Event) {
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// for mouse
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let mut keys = MODIFIERS_STATE.lock().unwrap();
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match event.event_type {
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EventType::KeyPress(k) => {
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if keys.contains_key(&k) {
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keys.insert(k, true);
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}
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}
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EventType::KeyRelease(k) => {
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if keys.contains_key(&k) {
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keys.insert(k, false);
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}
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}
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_ => {}
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};
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}
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pub fn event_to_key_event(event: &Event) -> KeyEvent {
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let mut key_event = KeyEvent::new();
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update_modifiers_state(event);
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let mut to_release = TO_RELEASE.lock().unwrap();
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match event.event_type {
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EventType::KeyPress(key) => {
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to_release.insert(key);
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}
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EventType::KeyRelease(key) => {
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to_release.remove(&key);
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}
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_ => {}
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}
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drop(to_release);
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let keyboard_mode = get_keyboard_mode_enum();
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key_event.mode = keyboard_mode.into();
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match keyboard_mode {
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KeyboardMode::Map => {
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map_keyboard_mode(event, &mut key_event);
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}
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KeyboardMode::Translate => {
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translate_keyboard_mode(event, &mut key_event);
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}
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_ => {
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#[cfg(not(any(target_os = "android", target_os = "ios")))]
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legacy_keyboard_mode(event, &mut key_event);
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}
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};
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#[cfg(not(any(target_os = "android", target_os = "ios")))]
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add_numlock_capslock_state(&mut key_event);
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return key_event;
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}
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pub fn event_type_to_event(event_type: EventType) -> Event {
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Event {
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event_type,
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time: SystemTime::now(),
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name: None,
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code: 0,
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scan_code: 0,
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}
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}
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pub fn send_key_event(key_event: &KeyEvent) {
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if let Some(handler) = CUR_SESSION.lock().unwrap().as_ref() {
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handler.send_key_event(key_event);
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}
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}
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pub fn get_peer_platform() -> String {
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if let Some(handler) = CUR_SESSION.lock().unwrap().as_ref() {
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handler.peer_platform()
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} else {
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log::error!("get peer platform error");
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"Windows".to_string()
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}
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}
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#[cfg(not(any(target_os = "android", target_os = "ios")))]
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pub fn legacy_keyboard_mode(event: &Event, key_event: &mut KeyEvent) {
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// legacy mode(0): Generate characters locally, look for keycode on other side.
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let (mut key, down_or_up) = match event.event_type {
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EventType::KeyPress(key) => (key, true),
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EventType::KeyRelease(key) => (key, false),
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_ => {
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return;
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}
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};
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let peer = get_peer_platform();
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let is_win = peer == "Windows";
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if is_win {
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key = convert_numpad_keys(key);
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}
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let alt = get_key_state(enigo::Key::Alt);
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#[cfg(windows)]
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let ctrl = {
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let mut tmp = get_key_state(enigo::Key::Control) || get_key_state(enigo::Key::RightControl);
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unsafe {
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if IS_ALT_GR {
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if alt || key == Key::AltGr {
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if tmp {
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tmp = false;
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}
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} else {
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IS_ALT_GR = false;
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}
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}
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}
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tmp
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};
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#[cfg(not(windows))]
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let ctrl = get_key_state(enigo::Key::Control) || get_key_state(enigo::Key::RightControl);
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let shift = get_key_state(enigo::Key::Shift) || get_key_state(enigo::Key::RightShift);
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#[cfg(windows)]
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let command = crate::platform::windows::get_win_key_state();
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#[cfg(not(windows))]
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let command = get_key_state(enigo::Key::Meta);
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let control_key = match key {
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Key::Alt => Some(ControlKey::Alt),
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Key::AltGr => Some(ControlKey::RAlt),
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Key::Backspace => Some(ControlKey::Backspace),
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Key::ControlLeft => {
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// when pressing AltGr, an extra VK_LCONTROL with a special
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// scancode with bit 9 set is sent, let's ignore this.
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#[cfg(windows)]
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if event.scan_code & 0x200 != 0 {
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unsafe {
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IS_ALT_GR = true;
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}
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return;
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}
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Some(ControlKey::Control)
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}
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Key::ControlRight => Some(ControlKey::RControl),
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Key::DownArrow => Some(ControlKey::DownArrow),
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Key::Escape => Some(ControlKey::Escape),
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Key::F1 => Some(ControlKey::F1),
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Key::F10 => Some(ControlKey::F10),
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Key::F11 => Some(ControlKey::F11),
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Key::F12 => Some(ControlKey::F12),
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Key::F2 => Some(ControlKey::F2),
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Key::F3 => Some(ControlKey::F3),
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Key::F4 => Some(ControlKey::F4),
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Key::F5 => Some(ControlKey::F5),
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Key::F6 => Some(ControlKey::F6),
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Key::F7 => Some(ControlKey::F7),
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Key::F8 => Some(ControlKey::F8),
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Key::F9 => Some(ControlKey::F9),
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Key::LeftArrow => Some(ControlKey::LeftArrow),
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Key::MetaLeft => Some(ControlKey::Meta),
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Key::MetaRight => Some(ControlKey::RWin),
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Key::Return => Some(ControlKey::Return),
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Key::RightArrow => Some(ControlKey::RightArrow),
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Key::ShiftLeft => Some(ControlKey::Shift),
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Key::ShiftRight => Some(ControlKey::RShift),
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Key::Space => Some(ControlKey::Space),
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Key::Tab => Some(ControlKey::Tab),
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Key::UpArrow => Some(ControlKey::UpArrow),
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Key::Delete => {
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if is_win && ctrl && alt {
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client::ctrl_alt_del();
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return;
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}
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Some(ControlKey::Delete)
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}
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Key::Apps => Some(ControlKey::Apps),
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Key::Cancel => Some(ControlKey::Cancel),
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Key::Clear => Some(ControlKey::Clear),
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Key::Kana => Some(ControlKey::Kana),
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Key::Hangul => Some(ControlKey::Hangul),
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Key::Junja => Some(ControlKey::Junja),
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Key::Final => Some(ControlKey::Final),
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Key::Hanja => Some(ControlKey::Hanja),
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Key::Hanji => Some(ControlKey::Hanja),
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Key::Convert => Some(ControlKey::Convert),
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Key::Print => Some(ControlKey::Print),
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Key::Select => Some(ControlKey::Select),
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Key::Execute => Some(ControlKey::Execute),
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Key::PrintScreen => Some(ControlKey::Snapshot),
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Key::Help => Some(ControlKey::Help),
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Key::Sleep => Some(ControlKey::Sleep),
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Key::Separator => Some(ControlKey::Separator),
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Key::KpReturn => Some(ControlKey::NumpadEnter),
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Key::Kp0 => Some(ControlKey::Numpad0),
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Key::Kp1 => Some(ControlKey::Numpad1),
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Key::Kp2 => Some(ControlKey::Numpad2),
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Key::Kp3 => Some(ControlKey::Numpad3),
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Key::Kp4 => Some(ControlKey::Numpad4),
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Key::Kp5 => Some(ControlKey::Numpad5),
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Key::Kp6 => Some(ControlKey::Numpad6),
|
||
Key::Kp7 => Some(ControlKey::Numpad7),
|
||
Key::Kp8 => Some(ControlKey::Numpad8),
|
||
Key::Kp9 => Some(ControlKey::Numpad9),
|
||
Key::KpDivide => Some(ControlKey::Divide),
|
||
Key::KpMultiply => Some(ControlKey::Multiply),
|
||
Key::KpDecimal => Some(ControlKey::Decimal),
|
||
Key::KpMinus => Some(ControlKey::Subtract),
|
||
Key::KpPlus => Some(ControlKey::Add),
|
||
Key::CapsLock | Key::NumLock | Key::ScrollLock => {
|
||
return;
|
||
}
|
||
Key::Home => Some(ControlKey::Home),
|
||
Key::End => Some(ControlKey::End),
|
||
Key::Insert => Some(ControlKey::Insert),
|
||
Key::PageUp => Some(ControlKey::PageUp),
|
||
Key::PageDown => Some(ControlKey::PageDown),
|
||
Key::Pause => Some(ControlKey::Pause),
|
||
_ => None,
|
||
};
|
||
if let Some(k) = control_key {
|
||
key_event.set_control_key(k);
|
||
} else {
|
||
let mut chr = match event.name {
|
||
Some(ref s) => {
|
||
if s.len() <= 2 {
|
||
// exclude chinese characters
|
||
s.chars().next().unwrap_or('\0')
|
||
} else {
|
||
'\0'
|
||
}
|
||
}
|
||
_ => '\0',
|
||
};
|
||
if chr == '·' {
|
||
// special for Chinese
|
||
chr = '`';
|
||
}
|
||
if chr == '\0' {
|
||
chr = match key {
|
||
Key::Num1 => '1',
|
||
Key::Num2 => '2',
|
||
Key::Num3 => '3',
|
||
Key::Num4 => '4',
|
||
Key::Num5 => '5',
|
||
Key::Num6 => '6',
|
||
Key::Num7 => '7',
|
||
Key::Num8 => '8',
|
||
Key::Num9 => '9',
|
||
Key::Num0 => '0',
|
||
Key::KeyA => 'a',
|
||
Key::KeyB => 'b',
|
||
Key::KeyC => 'c',
|
||
Key::KeyD => 'd',
|
||
Key::KeyE => 'e',
|
||
Key::KeyF => 'f',
|
||
Key::KeyG => 'g',
|
||
Key::KeyH => 'h',
|
||
Key::KeyI => 'i',
|
||
Key::KeyJ => 'j',
|
||
Key::KeyK => 'k',
|
||
Key::KeyL => 'l',
|
||
Key::KeyM => 'm',
|
||
Key::KeyN => 'n',
|
||
Key::KeyO => 'o',
|
||
Key::KeyP => 'p',
|
||
Key::KeyQ => 'q',
|
||
Key::KeyR => 'r',
|
||
Key::KeyS => 's',
|
||
Key::KeyT => 't',
|
||
Key::KeyU => 'u',
|
||
Key::KeyV => 'v',
|
||
Key::KeyW => 'w',
|
||
Key::KeyX => 'x',
|
||
Key::KeyY => 'y',
|
||
Key::KeyZ => 'z',
|
||
Key::Comma => ',',
|
||
Key::Dot => '.',
|
||
Key::SemiColon => ';',
|
||
Key::Quote => '\'',
|
||
Key::LeftBracket => '[',
|
||
Key::RightBracket => ']',
|
||
Key::Slash => '/',
|
||
Key::BackSlash => '\\',
|
||
Key::Minus => '-',
|
||
Key::Equal => '=',
|
||
Key::BackQuote => '`',
|
||
_ => '\0',
|
||
}
|
||
}
|
||
if chr != '\0' {
|
||
if chr == 'l' && is_win && command {
|
||
client::lock_screen();
|
||
return;
|
||
}
|
||
key_event.set_chr(chr as _);
|
||
} else {
|
||
log::error!("Unknown key {:?}", &event);
|
||
return;
|
||
}
|
||
}
|
||
let (alt, ctrl, shift, command) = client::get_modifiers_state(alt, ctrl, shift, command);
|
||
client::legacy_modifiers(key_event, alt, ctrl, shift, command);
|
||
|
||
if down_or_up == true {
|
||
key_event.down = true;
|
||
}
|
||
}
|
||
|
||
pub fn map_keyboard_mode(event: &Event, key_event: &mut KeyEvent) {
|
||
let peer = get_peer_platform();
|
||
|
||
let key = match event.event_type {
|
||
EventType::KeyPress(key) => {
|
||
key_event.down = true;
|
||
key
|
||
}
|
||
EventType::KeyRelease(key) => {
|
||
key_event.down = false;
|
||
key
|
||
}
|
||
_ => return,
|
||
};
|
||
let keycode: u32 = match peer.as_str() {
|
||
"Windows" => rdev::win_keycode_from_key(key).unwrap_or_default().into(),
|
||
"MacOS" => rdev::macos_keycode_from_key(key).unwrap_or_default().into(),
|
||
_ => rdev::linux_keycode_from_key(key).unwrap_or_default().into(),
|
||
};
|
||
key_event.set_chr(keycode);
|
||
}
|
||
|
||
pub fn translate_keyboard_mode(_event: &Event, _key_event: &mut KeyEvent) {}
|