mirror of
https://github.com/rustdesk/rustdesk.git
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693 lines
22 KiB
Rust
693 lines
22 KiB
Rust
use super::*;
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#[cfg(target_os = "macos")]
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use dispatch::Queue;
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use enigo::{Enigo, Key, KeyboardControllable, MouseButton, MouseControllable};
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use hbb_common::{config::COMPRESS_LEVEL, protobuf::ProtobufEnumOrUnknown};
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use std::{
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convert::TryFrom,
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sync::atomic::{AtomicBool, Ordering},
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time::Instant,
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};
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#[derive(Default)]
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struct StateCursor {
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hcursor: u64,
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cursor_data: Arc<Message>,
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cached_cursor_data: HashMap<u64, Arc<Message>>,
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}
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impl super::service::Reset for StateCursor {
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fn reset(&mut self) {
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*self = Default::default();
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crate::platform::reset_input_cache();
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}
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}
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#[derive(Default)]
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struct StatePos {
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cursor_pos: (i32, i32),
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}
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impl super::service::Reset for StatePos {
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fn reset(&mut self) {
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self.cursor_pos = (0, 0);
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}
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}
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#[derive(Default)]
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struct Input {
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conn: i32,
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time: i64,
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}
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const KEY_CHAR_START: u64 = 0xFFFF;
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const KEY_SYM_START: u64 = 0xFFFFFFFF;
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#[derive(Clone, Default)]
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pub struct MouseCursorSub {
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inner: ConnInner,
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cached: HashMap<u64, Arc<Message>>,
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}
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impl From<ConnInner> for MouseCursorSub {
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fn from(inner: ConnInner) -> Self {
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Self {
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inner,
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cached: HashMap::new(),
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}
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}
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}
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impl Subscriber for MouseCursorSub {
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#[inline]
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fn id(&self) -> i32 {
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self.inner.id()
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}
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#[inline]
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fn send(&mut self, msg: Arc<Message>) {
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if let Some(message::Union::cursor_data(cd)) = &msg.union {
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if let Some(msg) = self.cached.get(&cd.id) {
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self.inner.send(msg.clone());
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} else {
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self.inner.send(msg.clone());
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let mut tmp = Message::new();
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// only send id out, require client side cache also
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tmp.set_cursor_id(cd.id);
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self.cached.insert(cd.id, Arc::new(tmp));
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}
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} else {
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self.inner.send(msg);
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}
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}
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}
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pub const NAME_CURSOR: &'static str = "mouse_cursor";
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pub const NAME_POS: &'static str = "mouse_pos";
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pub type MouseCursorService = ServiceTmpl<MouseCursorSub>;
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pub fn new_cursor() -> MouseCursorService {
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let sp = MouseCursorService::new(NAME_CURSOR, true);
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sp.repeat::<StateCursor, _>(33, run_cursor);
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sp
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}
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pub fn new_pos() -> GenericService {
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let sp = GenericService::new(NAME_POS, false);
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sp.repeat::<StatePos, _>(33, run_pos);
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sp
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}
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fn run_pos(sp: GenericService, state: &mut StatePos) -> ResultType<()> {
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if let Some((x, y)) = crate::get_cursor_pos() {
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if state.cursor_pos.0 != x || state.cursor_pos.1 != y {
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state.cursor_pos = (x, y);
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let mut msg_out = Message::new();
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msg_out.set_cursor_position(CursorPosition {
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x,
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y,
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..Default::default()
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});
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let exclude = {
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let now = crate::get_time();
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let lock = LATEST_INPUT.lock().unwrap();
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if now - lock.time < 300 {
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lock.conn
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} else {
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0
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}
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};
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sp.send_without(msg_out, exclude);
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}
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}
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sp.snapshot(|sps| {
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let mut msg_out = Message::new();
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msg_out.set_cursor_position(CursorPosition {
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x: state.cursor_pos.0,
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y: state.cursor_pos.1,
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..Default::default()
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});
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sps.send(msg_out);
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Ok(())
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})?;
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Ok(())
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}
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fn run_cursor(sp: MouseCursorService, state: &mut StateCursor) -> ResultType<()> {
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if let Some(hcursor) = crate::get_cursor()? {
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if hcursor != state.hcursor {
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let msg;
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if let Some(cached) = state.cached_cursor_data.get(&hcursor) {
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super::log::trace!("Cursor data cached, hcursor: {}", hcursor);
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msg = cached.clone();
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} else {
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let mut data = crate::get_cursor_data(hcursor)?;
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data.colors = hbb_common::compress::compress(&data.colors[..], COMPRESS_LEVEL);
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let mut tmp = Message::new();
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tmp.set_cursor_data(data);
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msg = Arc::new(tmp);
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state.cached_cursor_data.insert(hcursor, msg.clone());
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super::log::trace!("Cursor data updated, hcursor: {}", hcursor);
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}
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state.hcursor = hcursor;
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sp.send_shared(msg.clone());
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state.cursor_data = msg;
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}
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}
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sp.snapshot(|sps| {
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sps.send_shared(state.cursor_data.clone());
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Ok(())
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})?;
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Ok(())
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}
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lazy_static::lazy_static! {
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static ref ENIGO: Arc<Mutex<Enigo>> = Arc::new(Mutex::new(Enigo::new()));
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static ref KEYS_DOWN: Arc<Mutex<HashMap<u64, Instant>>> = Default::default();
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static ref LATEST_INPUT: Arc<Mutex<Input>> = Default::default();
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}
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static EXITING: AtomicBool = AtomicBool::new(false);
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// mac key input must be run in main thread, otherwise crash on >= osx 10.15
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#[cfg(target_os = "macos")]
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lazy_static::lazy_static! {
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static ref QUEUE: Queue = Queue::main();
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static ref IS_SERVER: bool = std::env::args().nth(1) == Some("--server".to_owned());
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}
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pub fn is_left_up(evt: &MouseEvent) -> bool {
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let buttons = evt.mask >> 3;
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let evt_type = evt.mask & 0x7;
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return buttons == 1 && evt_type == 2;
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}
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#[cfg(windows)]
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pub fn mouse_move_relative(x: i32, y: i32) {
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crate::platform::windows::try_change_desktop();
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let mut en = ENIGO.lock().unwrap();
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en.mouse_move_relative(x, y);
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}
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#[cfg(not(target_os = "macos"))]
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fn modifier_sleep() {
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// sleep for a while, this is only for keying in rdp in peer so far
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#[cfg(windows)]
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std::thread::sleep(std::time::Duration::from_nanos(1));
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}
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#[inline]
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fn get_modifier_state(key: Key, en: &mut Enigo) -> bool {
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// on Linux, if RightAlt is down, RightAlt status is false, Alt status is true
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// but on Windows, both are true
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let x = en.get_key_state(key.clone());
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match key {
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Key::Shift => x || en.get_key_state(Key::RightShift),
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Key::Control => x || en.get_key_state(Key::RightControl),
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Key::Alt => x || en.get_key_state(Key::RightAlt),
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Key::Meta => x || en.get_key_state(Key::RWin),
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Key::RightShift => x || en.get_key_state(Key::Shift),
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Key::RightControl => x || en.get_key_state(Key::Control),
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Key::RightAlt => x || en.get_key_state(Key::Alt),
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Key::RWin => x || en.get_key_state(Key::Meta),
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_ => x,
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}
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}
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pub fn handle_mouse(evt: &MouseEvent, conn: i32) {
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#[cfg(target_os = "macos")]
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if !*IS_SERVER {
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// having GUI, run main GUI thread, otherwise crash
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let evt = evt.clone();
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QUEUE.exec_async(move || handle_mouse_(&evt, conn));
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return;
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}
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handle_mouse_(evt, conn);
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}
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pub fn fix_key_down_timeout_loop() {
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std::thread::spawn(move || loop {
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std::thread::sleep(std::time::Duration::from_millis(300));
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fix_key_down_timeout(false);
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});
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if let Err(err) = ctrlc::set_handler(move || {
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fix_key_down_timeout_at_exit();
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std::process::exit(0); // will call atexit on posix, but not on Windows
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}) {
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log::error!("Failed to set Ctrl-C handler: {}", err);
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}
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}
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pub fn fix_key_down_timeout_at_exit() {
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if EXITING.load(Ordering::SeqCst) {
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return;
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}
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EXITING.store(true, Ordering::SeqCst);
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fix_key_down_timeout(true);
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log::info!("fix_key_down_timeout_at_exit");
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}
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fn fix_key_down_timeout(force: bool) {
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if KEYS_DOWN.lock().unwrap().is_empty() {
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return;
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}
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let cloned = (*KEYS_DOWN.lock().unwrap()).clone();
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log::debug!("{} keys in key down timeout map", cloned.len());
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for (key, value) in cloned.into_iter() {
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if force || value.elapsed().as_millis() >= 3_000 {
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KEYS_DOWN.lock().unwrap().remove(&key);
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let key = if key < KEY_CHAR_START {
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if let Some(key) = KEY_MAP.get(&(key as _)) {
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Some(*key)
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} else {
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None
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}
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} else if key < KEY_SYM_START {
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Some(Key::Layout(((key - KEY_CHAR_START) as u8) as _))
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} else {
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Some(Key::KeySym((key - KEY_SYM_START) as u32))
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};
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if let Some(key) = key {
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let func = move || {
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let mut en = ENIGO.lock().unwrap();
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if get_modifier_state(key, &mut en) {
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en.key_up(key);
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log::debug!("Fixed {:?} timeout", key);
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}
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};
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#[cfg(target_os = "macos")]
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QUEUE.exec_async(func);
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#[cfg(not(target_os = "macos"))]
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func();
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}
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}
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}
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}
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// e.g. current state of ctrl is down, but ctrl not in modifier, we should change ctrl to up, to make modifier state sync between remote and local
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#[inline]
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fn fix_modifier(
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modifiers: &[ProtobufEnumOrUnknown<ControlKey>],
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key0: ControlKey,
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key1: Key,
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en: &mut Enigo,
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) {
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if get_modifier_state(key1, en) && !modifiers.contains(&ProtobufEnumOrUnknown::new(key0)) {
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en.key_up(key1);
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log::debug!("Fixed {:?}", key1);
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}
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}
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fn fix_modifiers(modifiers: &[ProtobufEnumOrUnknown<ControlKey>], en: &mut Enigo, ck: i32) {
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if ck != ControlKey::Shift.value() {
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fix_modifier(modifiers, ControlKey::Shift, Key::Shift, en);
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}
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if ck != ControlKey::RShift.value() {
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fix_modifier(modifiers, ControlKey::Shift, Key::RightShift, en);
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}
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if ck != ControlKey::Alt.value() {
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fix_modifier(modifiers, ControlKey::Alt, Key::Alt, en);
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}
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if ck != ControlKey::RAlt.value() {
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fix_modifier(modifiers, ControlKey::Alt, Key::RightAlt, en);
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}
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if ck != ControlKey::Control.value() {
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fix_modifier(modifiers, ControlKey::Control, Key::Control, en);
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}
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if ck != ControlKey::RControl.value() {
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fix_modifier(modifiers, ControlKey::Control, Key::RightControl, en);
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}
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if ck != ControlKey::Meta.value() {
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fix_modifier(modifiers, ControlKey::Meta, Key::Meta, en);
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}
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if ck != ControlKey::RWin.value() {
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fix_modifier(modifiers, ControlKey::Meta, Key::RWin, en);
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}
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}
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fn handle_mouse_(evt: &MouseEvent, conn: i32) {
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if EXITING.load(Ordering::SeqCst) {
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return;
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}
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#[cfg(windows)]
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crate::platform::windows::try_change_desktop();
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let buttons = evt.mask >> 3;
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let evt_type = evt.mask & 0x7;
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if evt_type == 0 {
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let time = crate::get_time();
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*LATEST_INPUT.lock().unwrap() = Input { time, conn };
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}
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let mut en = ENIGO.lock().unwrap();
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#[cfg(not(target_os = "macos"))]
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let mut to_release = Vec::new();
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fix_modifiers(&evt.modifiers[..], &mut en, 0);
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if evt_type == 1 {
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#[cfg(target_os = "macos")]
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en.reset_flag();
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for ref ck in evt.modifiers.iter() {
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if let Some(key) = KEY_MAP.get(&ck.value()) {
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#[cfg(target_os = "macos")]
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en.add_flag(key);
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#[cfg(not(target_os = "macos"))]
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if key != &Key::CapsLock && key != &Key::NumLock {
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if !get_modifier_state(key.clone(), &mut en) {
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en.key_down(key.clone()).ok();
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modifier_sleep();
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to_release.push(key);
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} else {
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KEYS_DOWN
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.lock()
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.unwrap()
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.insert(ck.value() as _, Instant::now());
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}
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}
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}
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}
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}
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match evt_type {
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0 => {
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en.mouse_move_to(evt.x, evt.y);
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}
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1 => match buttons {
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1 => {
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allow_err!(en.mouse_down(MouseButton::Left));
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}
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2 => {
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allow_err!(en.mouse_down(MouseButton::Right));
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}
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4 => {
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allow_err!(en.mouse_down(MouseButton::Middle));
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}
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_ => {}
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},
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2 => match buttons {
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1 => {
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en.mouse_up(MouseButton::Left);
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}
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2 => {
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en.mouse_up(MouseButton::Right);
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}
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4 => {
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en.mouse_up(MouseButton::Middle);
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}
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_ => {}
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},
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3 => {
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#[allow(unused_mut)]
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let mut x = evt.x;
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#[allow(unused_mut)]
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let mut y = evt.y;
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#[cfg(not(windows))]
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{
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x = -x;
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y = -y;
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}
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if x != 0 {
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en.mouse_scroll_x(x);
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}
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if y != 0 {
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en.mouse_scroll_y(y);
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}
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}
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_ => {}
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}
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#[cfg(not(target_os = "macos"))]
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for key in to_release {
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en.key_up(key.clone());
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}
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}
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pub fn is_enter(evt: &KeyEvent) -> bool {
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if let Some(key_event::Union::control_key(ck)) = evt.union {
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if ck.value() == ControlKey::Return.value() || ck.value() == ControlKey::NumpadEnter.value()
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{
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return true;
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}
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}
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return false;
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}
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lazy_static::lazy_static! {
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static ref KEY_MAP: HashMap<i32, Key> =
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[
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(ControlKey::Alt, Key::Alt),
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(ControlKey::Backspace, Key::Backspace),
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(ControlKey::CapsLock, Key::CapsLock),
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(ControlKey::Control, Key::Control),
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(ControlKey::Delete, Key::Delete),
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(ControlKey::DownArrow, Key::DownArrow),
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(ControlKey::End, Key::End),
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(ControlKey::Escape, Key::Escape),
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(ControlKey::F1, Key::F1),
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(ControlKey::F10, Key::F10),
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(ControlKey::F11, Key::F11),
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(ControlKey::F12, Key::F12),
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(ControlKey::F2, Key::F2),
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(ControlKey::F3, Key::F3),
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(ControlKey::F4, Key::F4),
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(ControlKey::F5, Key::F5),
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(ControlKey::F6, Key::F6),
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(ControlKey::F7, Key::F7),
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(ControlKey::F8, Key::F8),
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(ControlKey::F9, Key::F9),
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(ControlKey::Home, Key::Home),
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(ControlKey::LeftArrow, Key::LeftArrow),
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(ControlKey::Meta, Key::Meta),
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(ControlKey::Option, Key::Option),
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(ControlKey::PageDown, Key::PageDown),
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(ControlKey::PageUp, Key::PageUp),
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(ControlKey::Return, Key::Return),
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(ControlKey::RightArrow, Key::RightArrow),
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(ControlKey::Shift, Key::Shift),
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(ControlKey::Space, Key::Space),
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(ControlKey::Tab, Key::Tab),
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(ControlKey::UpArrow, Key::UpArrow),
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(ControlKey::Numpad0, Key::Numpad0),
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(ControlKey::Numpad1, Key::Numpad1),
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(ControlKey::Numpad2, Key::Numpad2),
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(ControlKey::Numpad3, Key::Numpad3),
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(ControlKey::Numpad4, Key::Numpad4),
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(ControlKey::Numpad5, Key::Numpad5),
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(ControlKey::Numpad6, Key::Numpad6),
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(ControlKey::Numpad7, Key::Numpad7),
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(ControlKey::Numpad8, Key::Numpad8),
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(ControlKey::Numpad9, Key::Numpad9),
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(ControlKey::Cancel, Key::Cancel),
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(ControlKey::Clear, Key::Clear),
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(ControlKey::Menu, Key::Alt),
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(ControlKey::Pause, Key::Pause),
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(ControlKey::Kana, Key::Kana),
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(ControlKey::Hangul, Key::Hangul),
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(ControlKey::Junja, Key::Junja),
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(ControlKey::Final, Key::Final),
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(ControlKey::Hanja, Key::Hanja),
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(ControlKey::Kanji, Key::Kanji),
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(ControlKey::Convert, Key::Convert),
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(ControlKey::Select, Key::Select),
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(ControlKey::Print, Key::Print),
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(ControlKey::Execute, Key::Execute),
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(ControlKey::Snapshot, Key::Snapshot),
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(ControlKey::Insert, Key::Insert),
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(ControlKey::Help, Key::Help),
|
|
(ControlKey::Sleep, Key::Sleep),
|
|
(ControlKey::Separator, Key::Separator),
|
|
(ControlKey::Scroll, Key::Scroll),
|
|
(ControlKey::NumLock, Key::NumLock),
|
|
(ControlKey::RWin, Key::RWin),
|
|
(ControlKey::Apps, Key::Apps),
|
|
(ControlKey::Multiply, Key::Multiply),
|
|
(ControlKey::Add, Key::Add),
|
|
(ControlKey::Subtract, Key::Subtract),
|
|
(ControlKey::Decimal, Key::Decimal),
|
|
(ControlKey::Divide, Key::Divide),
|
|
(ControlKey::Equals, Key::Equals),
|
|
(ControlKey::NumpadEnter, Key::NumpadEnter),
|
|
(ControlKey::RAlt, Key::RightAlt),
|
|
(ControlKey::RWin, Key::RWin),
|
|
(ControlKey::RControl, Key::RightControl),
|
|
(ControlKey::RShift, Key::RightShift),
|
|
].iter().map(|(a, b)| (a.value(), b.clone())).collect();
|
|
static ref NUMPAD_KEY_MAP: HashMap<i32, bool> =
|
|
[
|
|
(ControlKey::Home, true),
|
|
(ControlKey::UpArrow, true),
|
|
(ControlKey::PageUp, true),
|
|
(ControlKey::LeftArrow, true),
|
|
(ControlKey::RightArrow, true),
|
|
(ControlKey::End, true),
|
|
(ControlKey::DownArrow, true),
|
|
(ControlKey::PageDown, true),
|
|
(ControlKey::Insert, true),
|
|
(ControlKey::Delete, true),
|
|
].iter().map(|(a, b)| (a.value(), b.clone())).collect();
|
|
}
|
|
|
|
pub fn handle_key(evt: &KeyEvent) {
|
|
#[cfg(target_os = "macos")]
|
|
if !*IS_SERVER {
|
|
// having GUI, run main GUI thread, otherwise crash
|
|
let evt = evt.clone();
|
|
QUEUE.exec_async(move || handle_key_(&evt));
|
|
return;
|
|
}
|
|
handle_key_(evt);
|
|
}
|
|
|
|
fn handle_key_(evt: &KeyEvent) {
|
|
if EXITING.load(Ordering::SeqCst) {
|
|
return;
|
|
}
|
|
#[cfg(windows)]
|
|
crate::platform::windows::try_change_desktop();
|
|
let mut en = ENIGO.lock().unwrap();
|
|
// disable numlock if press home etc when numlock is on,
|
|
// because we will get numpad value (7,8,9 etc) if not
|
|
#[cfg(windows)]
|
|
let mut disable_numlock = false;
|
|
#[cfg(target_os = "macos")]
|
|
en.reset_flag();
|
|
#[cfg(not(target_os = "macos"))]
|
|
let mut to_release = Vec::new();
|
|
#[cfg(not(target_os = "macos"))]
|
|
let mut has_cap = false;
|
|
#[cfg(windows)]
|
|
let mut has_numlock = false;
|
|
if evt.down {
|
|
let ck = if let Some(key_event::Union::control_key(ck)) = evt.union {
|
|
ck.value()
|
|
} else {
|
|
-1
|
|
};
|
|
fix_modifiers(&evt.modifiers[..], &mut en, ck);
|
|
for ref ck in evt.modifiers.iter() {
|
|
if let Some(key) = KEY_MAP.get(&ck.value()) {
|
|
#[cfg(target_os = "macos")]
|
|
en.add_flag(key);
|
|
#[cfg(not(target_os = "macos"))]
|
|
{
|
|
if key == &Key::CapsLock {
|
|
has_cap = true;
|
|
} else if key == &Key::NumLock {
|
|
#[cfg(windows)]
|
|
{
|
|
has_numlock = true;
|
|
}
|
|
} else {
|
|
if !get_modifier_state(key.clone(), &mut en) {
|
|
en.key_down(key.clone()).ok();
|
|
modifier_sleep();
|
|
to_release.push(key);
|
|
} else {
|
|
KEYS_DOWN
|
|
.lock()
|
|
.unwrap()
|
|
.insert(ck.value() as _, Instant::now());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#[cfg(not(target_os = "macos"))]
|
|
if crate::common::valid_for_capslock(evt) {
|
|
if has_cap != en.get_key_state(Key::CapsLock) {
|
|
en.key_down(Key::CapsLock).ok();
|
|
en.key_up(Key::CapsLock);
|
|
}
|
|
}
|
|
#[cfg(windows)]
|
|
if crate::common::valid_for_numlock(evt) {
|
|
if has_numlock != en.get_key_state(Key::NumLock) {
|
|
en.key_down(Key::NumLock).ok();
|
|
en.key_up(Key::NumLock);
|
|
}
|
|
}
|
|
match evt.union {
|
|
Some(key_event::Union::control_key(ck)) => {
|
|
if let Some(key) = KEY_MAP.get(&ck.value()) {
|
|
#[cfg(windows)]
|
|
if let Some(_) = NUMPAD_KEY_MAP.get(&ck.value()) {
|
|
disable_numlock = en.get_key_state(Key::NumLock);
|
|
if disable_numlock {
|
|
en.key_down(Key::NumLock).ok();
|
|
en.key_up(Key::NumLock);
|
|
}
|
|
}
|
|
if evt.down {
|
|
allow_err!(en.key_down(key.clone()));
|
|
KEYS_DOWN
|
|
.lock()
|
|
.unwrap()
|
|
.insert(ck.value() as _, Instant::now());
|
|
} else {
|
|
en.key_up(key.clone());
|
|
KEYS_DOWN.lock().unwrap().remove(&(ck.value() as _));
|
|
}
|
|
} else if ck.value() == ControlKey::CtrlAltDel.value() {
|
|
// have to spawn new thread because send_sas is tokio_main, the caller can not be tokio_main.
|
|
std::thread::spawn(|| {
|
|
allow_err!(send_sas());
|
|
});
|
|
} else if ck.value() == ControlKey::LockScreen.value() {
|
|
crate::platform::lock_screen();
|
|
super::video_service::switch_to_primary();
|
|
}
|
|
}
|
|
Some(key_event::Union::chr(chr)) => {
|
|
if evt.down {
|
|
allow_err!(en.key_down(Key::Layout(chr as u8 as _)));
|
|
KEYS_DOWN
|
|
.lock()
|
|
.unwrap()
|
|
.insert(chr as u64 + KEY_CHAR_START, Instant::now());
|
|
} else {
|
|
en.key_up(Key::Layout(chr as u8 as _));
|
|
KEYS_DOWN
|
|
.lock()
|
|
.unwrap()
|
|
.remove(&(chr as u64 + KEY_CHAR_START));
|
|
}
|
|
}
|
|
Some(key_event::Union::keysym(sym)) => {
|
|
if evt.down {
|
|
allow_err!(en.key_down(Key::KeySym(sym)));
|
|
KEYS_DOWN
|
|
.lock()
|
|
.unwrap()
|
|
.insert(sym as u64 + KEY_SYM_START, Instant::now());
|
|
} else {
|
|
en.key_up(Key::KeySym(sym));
|
|
KEYS_DOWN
|
|
.lock()
|
|
.unwrap()
|
|
.remove(&(sym as u64 + KEY_SYM_START));
|
|
}
|
|
}
|
|
Some(key_event::Union::unicode(chr)) => {
|
|
if let Ok(chr) = char::try_from(chr) {
|
|
en.key_sequence(&chr.to_string());
|
|
}
|
|
}
|
|
Some(key_event::Union::seq(ref seq)) => {
|
|
en.key_sequence(&seq);
|
|
}
|
|
_ => {}
|
|
}
|
|
#[cfg(not(target_os = "macos"))]
|
|
for key in to_release {
|
|
en.key_up(key.clone());
|
|
}
|
|
#[cfg(windows)]
|
|
if disable_numlock {
|
|
en.key_down(Key::NumLock).ok();
|
|
en.key_up(Key::NumLock);
|
|
}
|
|
}
|
|
|
|
#[tokio::main(flavor = "current_thread")]
|
|
async fn send_sas() -> ResultType<()> {
|
|
let mut stream = crate::ipc::connect(1000, crate::POSTFIX_SERVICE).await?;
|
|
timeout(1000, stream.send(&crate::ipc::Data::SAS)).await??;
|
|
Ok(())
|
|
}
|