move mux to its own crate

Cargo.lock

@@ -2044,6 +2044,28 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "mux"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "bintree",
+ "config",
+ "downcast-rs",
+ "log",
+ "portable-pty",
+ "promise",
+ "rangeset",
+ "ratelim",
+ "regex",
+ "serde",
+ "termwiz",
+ "thiserror",
+ "url",
+ "wezterm-term",
+]
+
 [[package]]
 name = "nb-connect"
 version = "1.0.1"
@@ -4070,7 +4092,6 @@ dependencies = [
  "async-trait",
  "base64 0.10.1",
  "base91",
- "bintree",
  "bitflags 1.2.1",
  "bstr 0.2.13",
  "cc",
@@ -4105,6 +4126,7 @@ dependencies = [
  "luahelper",
  "metrics",
  "mlua",
+ "mux",
  "notify-rust",
  "objc",
  "open",

Cargo.toml

@@ -22,7 +22,6 @@ allsorts = "0.4"
 async-task = "1.2"
 async-trait = "0.1"
 anyhow = "1.0"
-bintree = { path = "bintree" }
 thiserror = "1.0"
 base64 = "0.10"
 base91 = { path = "base91" }
@@ -47,6 +46,7 @@ libc = "0.2"
 log = "0.4"
 lru = "0.5"
 luahelper = { path = "luahelper" }
+mux = { path = "mux" }
 open = "1.2"
 pulldown-cmark = "0.7"
 metrics = { version="0.12", features=["std"]}

mux/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+name = "mux"
+version = "0.1.0"
+authors = ["Wez Furlong <wez@wezfurlong.org>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0"
+async-trait = "0.1"
+bintree = { path = "../bintree" }
+config = { path = "../config" }
+downcast-rs = "1.0"
+log = "0.4"
+portable-pty = { path = "../pty", features = ["serde_support"]}
+promise = { path = "../promise" }
+rangeset = { path = "../rangeset" }
+ratelim= { path = "../ratelim" }
+regex = "1"
+serde = {version="1.0", features = ["rc", "derive"]}
+termwiz = { path = "../termwiz" }
+thiserror = "1.0"
+url = "2"
+wezterm-term = { path = "../term", features=["use_serde"] }

mux/src/domain.rs

@@ -5,11 +5,11 @@
 //! container or actually remote, running on the other end
 //! of an ssh session somewhere.
 
-use crate::mux::localtab::LocalPane;
+use crate::localtab::LocalPane;
-use crate::mux::pane::{alloc_pane_id, Pane, PaneId};
+use crate::pane::{alloc_pane_id, Pane, PaneId};
-use crate::mux::tab::{SplitDirection, Tab, TabId};
+use crate::tab::{SplitDirection, Tab, TabId};
-use crate::mux::window::WindowId;
+use crate::window::WindowId;
-use crate::mux::Mux;
+use crate::Mux;
 use anyhow::{bail, Error};
 use async_trait::async_trait;
 use config::configuration;
@@ -146,7 +146,7 @@ impl Domain for LocalDomain {
             size.pixel_height as usize,
             std::sync::Arc::new(config::TermConfig {}),
             "WezTerm",
-            crate::wezterm_version(),
+            config::wezterm_version(),
             Box::new(writer),
         );
 
@@ -228,7 +228,7 @@ impl Domain for LocalDomain {
             split_size.second.pixel_height as usize,
             std::sync::Arc::new(config::TermConfig {}),
             "WezTerm",
-            crate::wezterm_version(),
+            config::wezterm_version(),
             Box::new(writer),
         );
 

mux/src/lib.rs

@@ -1,6 +1,6 @@
-use crate::mux::pane::{Pane, PaneId};
+use crate::pane::{Pane, PaneId};
-use crate::mux::tab::{Tab, TabId};
+use crate::tab::{Tab, TabId};
-use crate::mux::window::{Window, WindowId};
+use crate::window::{Window, WindowId};
 use anyhow::{anyhow, Error};
 use domain::{Domain, DomainId};
 use log::error;

mux/src/localtab.rs

@@ -1,6 +1,6 @@
-use crate::mux::domain::DomainId;
+use crate::domain::DomainId;
-use crate::mux::pane::{Pane, PaneId, Pattern, SearchResult};
+use crate::pane::{Pane, PaneId, Pattern, SearchResult};
-use crate::mux::renderable::Renderable;
+use crate::renderable::Renderable;
 use anyhow::Error;
 use async_trait::async_trait;
 use portable_pty::{Child, MasterPty, PtySize};

mux/src/pane.rs

@@ -1,6 +1,6 @@
-use crate::mux::domain::DomainId;
+use crate::domain::DomainId;
-use crate::mux::renderable::Renderable;
+use crate::renderable::Renderable;
-use crate::mux::Mux;
+use crate::Mux;
 use async_trait::async_trait;
 use downcast_rs::{impl_downcast, Downcast};
 use portable_pty::PtySize;

mux/src/tab.rs

@@ -1,6 +1,6 @@
-use crate::mux::domain::DomainId;
+use crate::domain::DomainId;
-use crate::mux::pane::*;
+use crate::pane::*;
-use crate::mux::{Mux, WindowId};
+use crate::{Mux, WindowId};
 use bintree::PathBranch;
 use config::keyassignment::PaneDirection;
 use portable_pty::PtySize;
@@ -1458,7 +1458,7 @@ impl Into<String> for SerdeUrl {
 #[cfg(test)]
 mod test {
     use super::*;
-    use crate::mux::renderable::Renderable;
+    use crate::renderable::Renderable;
     use url::Url;
     use wezterm_term::color::ColorPalette;
     use wezterm_term::{KeyCode, KeyModifiers, MouseEvent};

mux/src/window.rs

@@ -1,4 +1,4 @@
-use crate::mux::{Tab, TabId};
+use crate::{Tab, TabId};
 use std::rc::Rc;
 use std::sync::Arc;
 use wezterm_term::Clipboard;

src/frontend/gui/mod.rs

@@ -1,10 +1,10 @@
 use crate::font::FontConfiguration;
 use crate::frontend::FrontEnd;
-use crate::mux::tab::Tab;
-use crate::mux::window::WindowId as MuxWindowId;
-use crate::mux::Mux;
 use ::window::*;
 use config::configuration;
+use mux::tab::Tab;
+use mux::window::WindowId as MuxWindowId;
+use mux::Mux;
 use std::rc::Rc;
 use std::sync::atomic::{AtomicBool, Ordering};
 

src/frontend/gui/overlay/confirm_close_pane.rs

@@ -1,8 +1,8 @@
-use crate::mux::pane::PaneId;
-use crate::mux::tab::TabId;
-use crate::mux::window::WindowId;
-use crate::mux::Mux;
 use crate::termwiztermtab::TermWizTerminal;
+use mux::pane::PaneId;
+use mux::tab::TabId;
+use mux::window::WindowId;
+use mux::Mux;
 use termwiz::color::ColorAttribute;
 use termwiz::input::{InputEvent, KeyCode, KeyEvent};
 use termwiz::surface::{Change, Position};

src/frontend/gui/overlay/copy.rs

@@ -1,8 +1,8 @@
 use crate::frontend::gui::selection::{SelectionCoordinate, SelectionRange};
 use crate::frontend::gui::termwindow::TermWindow;
-use crate::mux::domain::DomainId;
+use mux::domain::DomainId;
-use crate::mux::pane::{Pane, PaneId};
+use mux::pane::{Pane, PaneId};
-use crate::mux::renderable::*;
+use mux::renderable::*;
 use portable_pty::PtySize;
 use rangeset::RangeSet;
 use std::cell::{RefCell, RefMut};

src/frontend/gui/overlay/launcher.rs

@@ -6,14 +6,14 @@
 //! time of writing our window layer doesn't provide an API for context
 //! menus.
 use crate::frontend::gui::termwindow::{ClipboardHelper, SpawnWhere, TermWindow};
-use crate::mux::domain::{DomainId, DomainState};
-use crate::mux::tab::TabId;
-use crate::mux::window::WindowId;
-use crate::mux::Mux;
 use crate::termwiztermtab::TermWizTerminal;
 use anyhow::anyhow;
 use config::configuration;
 use config::keyassignment::{SpawnCommand, SpawnTabDomain};
+use mux::domain::{DomainId, DomainState};
+use mux::tab::TabId;
+use mux::window::WindowId;
+use mux::Mux;
 use portable_pty::PtySize;
 use termwiz::cell::{AttributeChange, CellAttributes};
 use termwiz::color::ColorAttribute;

src/frontend/gui/overlay/mod.rs

@@ -1,7 +1,7 @@
 use crate::frontend::gui::termwindow::TermWindow;
-use crate::mux::pane::{Pane, PaneId};
-use crate::mux::tab::{Tab, TabId};
 use crate::termwiztermtab::{allocate, TermWizTerminal};
+use mux::pane::{Pane, PaneId};
+use mux::tab::{Tab, TabId};
 use std::pin::Pin;
 use std::rc::Rc;
 

src/frontend/gui/overlay/search.rs

@@ -1,8 +1,8 @@
 use crate::frontend::gui::selection::{SelectionCoordinate, SelectionRange};
 use crate::frontend::gui::termwindow::TermWindow;
-use crate::mux::domain::DomainId;
+use mux::domain::DomainId;
-use crate::mux::pane::{Pane, PaneId, Pattern, SearchResult};
+use mux::pane::{Pane, PaneId, Pattern, SearchResult};
-use crate::mux::renderable::*;
+use mux::renderable::*;
 use portable_pty::PtySize;
 use rangeset::RangeSet;
 use std::cell::{RefCell, RefMut};

src/frontend/gui/overlay/tabnavigator.rs

@@ -1,8 +1,8 @@
-use crate::mux::tab::TabId;
-use crate::mux::window::WindowId;
-use crate::mux::Mux;
 use crate::termwiztermtab::TermWizTerminal;
 use anyhow::anyhow;
+use mux::tab::TabId;
+use mux::window::WindowId;
+use mux::Mux;
 use termwiz::cell::{AttributeChange, CellAttributes};
 use termwiz::color::ColorAttribute;
 use termwiz::input::{InputEvent, KeyCode, KeyEvent, MouseButtons, MouseEvent};

src/frontend/gui/scrollbar.rs

@@ -1,5 +1,5 @@
-use crate::mux::renderable::Renderable;
 use ::window::*;
+use mux::renderable::Renderable;
 use portable_pty::PtySize;
 use wezterm_term::StableRowIndex;
 

src/frontend/gui/selection.rs

@@ -1,7 +1,7 @@
 // The range_plus_one lint can't see when the LHS is not compatible with
 // and inclusive range
 #![cfg_attr(feature = "cargo-clippy", allow(clippy::range_plus_one))]
-use crate::mux::renderable::Renderable;
+use mux::renderable::Renderable;
 use std::ops::Range;
 use termwiz::surface::line::DoubleClickRange;
 use wezterm_term::StableRowIndex;

src/frontend/gui/tabbar.rs

@@ -1,5 +1,5 @@
-use crate::mux::window::Window as MuxWindow;
 use config::{ConfigHandle, TabBarColors};
+use mux::window::Window as MuxWindow;
 use std::cell::Ref;
 use termwiz::cell::unicode_column_width;
 use termwiz::cell::{Cell, CellAttributes};

src/frontend/gui/termwindow.rs

@@ -14,12 +14,6 @@ use crate::frontend::gui::overlay::{
 use crate::frontend::gui::scrollbar::*;
 use crate::frontend::gui::selection::*;
 use crate::frontend::gui::tabbar::{TabBarItem, TabBarState};
-use crate::mux::domain::{DomainId, DomainState};
-use crate::mux::pane::{Pane, PaneId};
-use crate::mux::renderable::{RenderableDimensions, StableCursorPosition};
-use crate::mux::tab::{PositionedPane, PositionedSplit, SplitDirection, Tab, TabId};
-use crate::mux::window::WindowId as MuxWindowId;
-use crate::mux::Mux;
 use ::wezterm_term::input::MouseButton as TMB;
 use ::wezterm_term::input::MouseEventKind as TMEK;
 use ::window::bitmaps::atlas::{OutOfTextureSpace, SpriteSlice};
@@ -37,6 +31,12 @@ use config::keyassignment::{
 };
 use config::{configuration, ConfigHandle, TextStyle};
 use lru::LruCache;
+use mux::domain::{DomainId, DomainState};
+use mux::pane::{Pane, PaneId};
+use mux::renderable::{RenderableDimensions, StableCursorPosition};
+use mux::tab::{PositionedPane, PositionedSplit, SplitDirection, Tab, TabId};
+use mux::window::WindowId as MuxWindowId;
+use mux::Mux;
 use portable_pty::{CommandBuilder, PtySize};
 use std::any::Any;
 use std::cell::{RefCell, RefMut};

src/frontend/mod.rs

@@ -1,8 +1,8 @@
 use crate::font::FontConfiguration;
-use crate::mux::tab::Tab;
-use crate::mux::window::WindowId;
 use anyhow::Error;
 use downcast_rs::{impl_downcast, Downcast};
+use mux::tab::Tab;
+use mux::window::WindowId;
 use std::cell::RefCell;
 use std::rc::Rc;
 use std::sync::atomic::{AtomicBool, Ordering};

src/frontend/muxserver/mod.rs

@@ -1,13 +1,13 @@
 //! Implements the multiplexer server frontend
 use crate::font::FontConfiguration;
 use crate::frontend::FrontEnd;
-use crate::mux::tab::Tab;
-use crate::mux::window::WindowId;
-use crate::mux::Mux;
 use crate::server::listener::spawn_listener;
 use anyhow::{bail, Error};
 use crossbeam::channel::{unbounded as channel, Receiver};
 use log::info;
+use mux::tab::Tab;
+use mux::window::WindowId;
+use mux::Mux;
 use promise::*;
 use std::rc::Rc;
 

src/main.rs

@@ -4,6 +4,10 @@
 use crate::server::listener::umask;
 use anyhow::{anyhow, bail};
 use config::{wezterm_version, SshParameters};
+use mux::domain::{Domain, LocalDomain};
+use mux::pane::PaneId;
+use mux::tab::SplitDirection;
+use mux::Mux;
 use promise::spawn::block_on;
 use std::ffi::OsString;
 use std::io::{Read, Write};
@@ -20,7 +24,6 @@ mod connui;
 mod frontend;
 use config::keyassignment;
 mod markdown;
-mod mux;
 mod server;
 mod ssh;
 mod stats;
@@ -29,10 +32,6 @@ mod update;
 
 use crate::frontend::activity::Activity;
 use crate::frontend::{front_end, FrontEndSelection};
-use crate::mux::domain::{Domain, LocalDomain};
-use crate::mux::pane::PaneId;
-use crate::mux::tab::SplitDirection;
-use crate::mux::Mux;
 use crate::server::client::{unix_connect_with_retry, Client};
 use crate::server::domain::{ClientDomain, ClientDomainConfig};
 use portable_pty::cmdbuilder::CommandBuilder;

src/server/client.rs

@@ -1,7 +1,4 @@
 use crate::connui::ConnectionUI;
-use crate::mux::domain::{alloc_domain_id, DomainId};
-use crate::mux::pane::PaneId;
-use crate::mux::Mux;
 use crate::server::codec::*;
 use crate::server::domain::{ClientDomain, ClientDomainConfig};
 use crate::server::pollable::*;
@@ -13,6 +10,9 @@ use config::{configuration, SshDomain, TlsDomainClient, UnixDomain};
 use crossbeam::channel::TryRecvError;
 use filedescriptor::{poll, pollfd, AsRawSocketDescriptor};
 use log::info;
+use mux::domain::{alloc_domain_id, DomainId};
+use mux::pane::PaneId;
+use mux::Mux;
 use openssl::ssl::{SslConnector, SslFiletype, SslMethod};
 use openssl::x509::X509;
 use portable_pty::{CommandBuilder, NativePtySystem, PtySystem};

src/server/codec.rs

@@ -11,14 +11,14 @@
 #![allow(dead_code)]
 #![cfg_attr(feature = "cargo-clippy", allow(clippy::range_plus_one))]
 
-use crate::mux::domain::DomainId;
-use crate::mux::pane::PaneId;
-use crate::mux::renderable::{RenderableDimensions, StableCursorPosition};
-use crate::mux::tab::{PaneNode, SerdeUrl, SplitDirection, TabId};
-use crate::mux::window::WindowId;
 use anyhow::{bail, Context as _, Error};
 use leb128;
 use log::debug;
+use mux::domain::DomainId;
+use mux::pane::PaneId;
+use mux::renderable::{RenderableDimensions, StableCursorPosition};
+use mux::tab::{PaneNode, SerdeUrl, SplitDirection, TabId};
+use mux::window::WindowId;
 use portable_pty::{CommandBuilder, PtySize};
 use rangeset::*;
 use serde::{Deserialize, Serialize};
@@ -683,12 +683,12 @@ pub struct GetLinesResponse {
 #[derive(Deserialize, Serialize, PartialEq, Debug)]
 pub struct SearchScrollbackRequest {
     pub pane_id: PaneId,
-    pub pattern: crate::mux::pane::Pattern,
+    pub pattern: mux::pane::Pattern,
 }
 
 #[derive(Deserialize, Serialize, PartialEq, Debug)]
 pub struct SearchScrollbackResponse {
-    pub results: Vec<crate::mux::pane::SearchResult>,
+    pub results: Vec<mux::pane::SearchResult>,
 }
 
 #[cfg(test)]

src/server/domain.rs

@@ -1,11 +1,6 @@
 use crate::connui::ConnectionUI;
 use crate::font::FontConfiguration;
 use crate::frontend::front_end;
-use crate::mux::domain::{alloc_domain_id, Domain, DomainId, DomainState};
-use crate::mux::pane::{Pane, PaneId};
-use crate::mux::tab::{SplitDirection, Tab, TabId};
-use crate::mux::window::WindowId;
-use crate::mux::Mux;
 use crate::server::client::Client;
 use crate::server::codec::{ListPanesResponse, Spawn, SplitPane};
 use crate::server::tab::ClientPane;
@@ -13,6 +8,11 @@ use anyhow::{anyhow, bail};
 use async_trait::async_trait;
 use config::keyassignment::SpawnTabDomain;
 use config::{SshDomain, TlsDomainClient, UnixDomain};
+use mux::domain::{alloc_domain_id, Domain, DomainId, DomainState};
+use mux::pane::{Pane, PaneId};
+use mux::tab::{SplitDirection, Tab, TabId};
+use mux::window::WindowId;
+use mux::Mux;
 use portable_pty::{CommandBuilder, PtySize};
 use promise::spawn::{join_handle_result, spawn_into_new_thread};
 use std::cell::RefCell;

src/server/listener/clientsession.rs

@@ -1,4 +1,3 @@
-use crate::mux::{Mux, MuxNotification};
 use crate::server::codec::*;
 use crate::server::listener::sessionhandler::SessionHandler;
 use crate::server::pollable::*;
@@ -6,6 +5,7 @@ use anyhow::{bail, Context, Error};
 use crossbeam::channel::TryRecvError;
 use filedescriptor::poll;
 use log::error;
+use mux::{Mux, MuxNotification};
 use std::collections::HashSet;
 
 pub struct ClientSession<S: ReadAndWrite> {

src/server/listener/sessionhandler.rs

@@ -1,12 +1,12 @@
-use crate::mux::pane::{Pane, PaneId};
-use crate::mux::renderable::{RenderableDimensions, StableCursorPosition};
-use crate::mux::tab::TabId;
-use crate::mux::Mux;
 use crate::server::codec::*;
 use crate::server::listener::PKI;
 use crate::server::pollable::*;
 use anyhow::anyhow;
 use config::keyassignment::SpawnTabDomain;
+use mux::pane::{Pane, PaneId};
+use mux::renderable::{RenderableDimensions, StableCursorPosition};
+use mux::tab::TabId;
+use mux::Mux;
 use portable_pty::PtySize;
 use promise::spawn::spawn_into_main_thread;
 use rangeset::RangeSet;
@@ -253,7 +253,7 @@ impl SessionHandler {
             }
 
             Pdu::SearchScrollbackRequest(SearchScrollbackRequest { pane_id, pattern }) => {
-                use crate::mux::pane::Pattern;
+                use mux::pane::Pattern;
 
                 async fn do_search(pane_id: TabId, pattern: Pattern) -> anyhow::Result<Pdu> {
                     let mux = Mux::get().unwrap();

src/server/tab/clienttab.rs

@@ -1,7 +1,3 @@
-use crate::mux::domain::DomainId;
-use crate::mux::pane::{alloc_pane_id, Pane, PaneId, Pattern, SearchResult};
-use crate::mux::renderable::{Renderable, RenderableDimensions};
-use crate::mux::tab::TabId;
 use crate::server::codec::*;
 use crate::server::domain::ClientInner;
 use crate::server::tab::mousestate::MouseState;
@@ -11,6 +7,10 @@ use async_trait::async_trait;
 use config::configuration;
 use filedescriptor::Pipe;
 use log::info;
+use mux::domain::DomainId;
+use mux::pane::{alloc_pane_id, Pane, PaneId, Pattern, SearchResult};
+use mux::renderable::{Renderable, RenderableDimensions};
+use mux::tab::TabId;
 use portable_pty::PtySize;
 use ratelim::RateLimiter;
 use std::cell::RefCell;

src/server/tab/mousestate.rs

@@ -1,6 +1,6 @@
-use crate::mux::tab::TabId;
 use crate::server::client::Client;
 use crate::server::codec::*;
+use mux::tab::TabId;
 use std::cell::RefCell;
 use std::collections::VecDeque;
 use std::rc::Rc;

src/server/tab/renderable.rs

@@ -1,12 +1,12 @@
-use crate::mux::renderable::{Renderable, RenderableDimensions, StableCursorPosition};
-use crate::mux::tab::TabId;
-use crate::mux::Mux;
 use crate::server::codec::*;
 use crate::server::domain::ClientInner;
 use crate::server::tab::clienttab::ClientPane;
 use anyhow::anyhow;
 use config::{configuration, ConfigHandle};
 use lru::LruCache;
+use mux::renderable::{Renderable, RenderableDimensions, StableCursorPosition};
+use mux::tab::TabId;
+use mux::Mux;
 use promise::BrokenPromise;
 use rangeset::*;
 use ratelim::RateLimiter;
@@ -350,7 +350,7 @@ impl RenderableInner {
         if !dirty.is_empty() {
             Mux::get()
                 .unwrap()
-                .notify(crate::mux::MuxNotification::PaneOutput(self.local_pane_id));
+                .notify(mux::MuxNotification::PaneOutput(self.local_pane_id));
         }
 
         let mut to_fetch = RangeSet::new();

src/ssh.rs

@@ -1,12 +1,12 @@
 use crate::connui::ConnectionUI;
-use crate::mux::domain::{alloc_domain_id, Domain, DomainId, DomainState};
-use crate::mux::localtab::LocalPane;
-use crate::mux::pane::{alloc_pane_id, Pane, PaneId};
-use crate::mux::tab::{SplitDirection, Tab, TabId};
-use crate::mux::window::WindowId;
-use crate::mux::Mux;
 use anyhow::{anyhow, bail, Context, Error};
 use async_trait::async_trait;
+use mux::domain::{alloc_domain_id, Domain, DomainId, DomainState};
+use mux::localtab::LocalPane;
+use mux::pane::{alloc_pane_id, Pane, PaneId};
+use mux::tab::{SplitDirection, Tab, TabId};
+use mux::window::WindowId;
+use mux::Mux;
 use portable_pty::cmdbuilder::CommandBuilder;
 use portable_pty::{PtySize, PtySystem};
 use promise::{Future, Promise};

src/termwiztermtab.rs

@@ -5,16 +5,16 @@
 
 use crate::font::FontConfiguration;
 use crate::frontend::front_end;
-use crate::mux::domain::{alloc_domain_id, Domain, DomainId, DomainState};
-use crate::mux::pane::{alloc_pane_id, Pane, PaneId};
-use crate::mux::renderable::Renderable;
-use crate::mux::tab::{SplitDirection, Tab, TabId};
-use crate::mux::window::WindowId;
-use crate::mux::Mux;
 use anyhow::{bail, Error};
 use async_trait::async_trait;
 use crossbeam::channel::{unbounded as channel, Receiver, Sender};
 use filedescriptor::{FileDescriptor, Pipe};
+use mux::domain::{alloc_domain_id, Domain, DomainId, DomainState};
+use mux::pane::{alloc_pane_id, Pane, PaneId};
+use mux::renderable::Renderable;
+use mux::tab::{SplitDirection, Tab, TabId};
+use mux::window::WindowId;
+use mux::Mux;
 use portable_pty::*;
 use std::cell::RefCell;
 use std::cell::RefMut;