Update cargo.lock.

Add hint that it might be necessary to increase the timeout
if programs are left after execution.

Turn off the new window callback to avoid asyncio exceptions.

Cargo.lock

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+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.188"
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
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+ "itoa",
+ "ryu",
+ "serde",
+]
+
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+ "indexmap",
+ "itoa",
+ "ryu",
+ "serde",
+ "unsafe-libyaml",
+]
+
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+ "libc",
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+ "autocfg",
+]
+
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+ "libc",
+ "windows-sys",
+]
+
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+
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+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
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+ "winapi-util",
+]
+
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+ "backtrace",
+ "bytes",
+ "libc",
+ "mio",
+ "num_cpus",
+ "parking_lot",
+ "pin-project-lite",
+ "signal-hook-registry",
+ "socket2",
+ "tokio-macros",
+ "windows-sys",
+]
+
+[[package]]
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+ "proc-macro2",
+ "quote",
+ "syn",
+]
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+
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+
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+
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+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
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+
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+ "winapi",
+]
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
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+
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+ "windows-targets",
+]
+
+[[package]]
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+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
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+
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+
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+
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+
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+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
+[[package]]
+name = "xdg"
+version = "2.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213b7324336b53d2414b2db8537e56544d981803139155afa84f76eeebb7a546"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "i3toolwait"
-version = "0.1.0"
+version = "0.3.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -8,8 +8,14 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.75"
 byteorder = "1.5.0"
+clap = { version = "4.4.6", features = ["derive"] }
+env_logger = "0.10.0"
 futures = "0.3.28"
-rust_lisp = "0.18.0"
+log = "0.4.20"
+rust_lisp = { git = "https://github.com/brundonsmith/rust_lisp.git", branch = "arc-feature-addition", features = ["arc"] }
 serde = { version = "1.0.188", features = ["std", "derive", "serde_derive"] }
 serde_json = "1.0.107"
+serde_yaml = "0.9.25"
+strfmt = "0.2.4"
 tokio = { version = "1.33.0", features = ["full"] }
+xdg = "2.5.2"

Makefile

@@ -0,0 +1,17 @@
+EXEC := i3toolwait
+INSTALL_BASE ?= /usr/local
+
+default: target/debug/${EXEC}
+release: target/release/${EXEC}
+default: target/debug/${EXEC}
+
+install: target/release/${EXEC}
+	install -Dm0755 -oroot -groot $< ${INSTALL_BASE}/bin/${EXEC}
+
+target/release/${EXEC}:
+	@cargo build --release
+
+target/debug/${EXEC}:
+	@cargo build
+
+.PHONY: install

README.md

@@ -0,0 +1,128 @@
+# i3toolwait
+
+Launch a program and move it to the correct workspace.
+
+## Usage
+
+`i3toolwait -c FILE`
+
+Optionally start multiple programs and wait for their windows to appear.
+Once these windows appeared a custom i3 command can be specified.
+
+## Example
+
+```yaml
+---
+timeout: 10000
+init: |
+  (begin
+    (define i3_path ".container.window_properties.class")
+    (define sway_path ".container.app_id")
+    (defun idmatch (name) (== (if (has-key sway_path) (load sway_path) (load i3_path)) name))
+    (defun match (name) (and (== (load ".change") "new") (idmatch name)))
+    (defun match-load (name) (if (match name) (load ".container.id") F))
+  )
+cmd: 'workspace 1'
+programs:
+- run: 'exec gtk-launch librewolf'
+  cmd: 'for_window [con_id="{result}"] focus; move container to workspace 1'
+  match: '(match-load "LibreWolf")'
+- run: 'exec gtk-launch nheko || gtk-launch io.element.Element'
+  cmd: 'for_window [con_id="{result}"] focus; move container to workspace 2'
+  match: '(if (or (match "Electron") (match "nheko")) (load ".container.id") F)'
+- run: 'exec gtk-launch thunderbird'
+  cmd: 'for_window [con_id="{result}"] focus; move container to workspace 3'
+  match: '(match-load "thunderbird")'
+- run: 'exec nm-applet --indicator'
+- run: 'exec blueman-applet'
+- run: 'exec gtk-launch org.kde.kdeconnect.nonplasma'
+- run: 'exec gtk-launch syncthing-gtk'
+```
+
+## Configuration
+
+The configuration file is in YAML format.
+
+
+### Configuration
+
+#### timeout: int
+
+_Optional_ _Default_ `3000`
+
+Total program timeout in ms.
+
+#### init: String
+
+_Optional_ _Default_ `""`
+
+Initialization program; Used to initialize the environment, useful
+to define custom functions which should be available everywhere.
+
+#### cmd: String
+
+_Optional_ _Default_ `""`
+
+A final i3 command to be executed before exiting.
+
+#### programs: List[Union[[Program](#program), [Signal](#signal)]]
+
+_Optional_ _Default_ `[]`
+
+A list of programs to execute.
+
+### Program
+
+Launch all programs using [`run`](#run-string) and execute
+[`cmd`](#cmd-string-1) once [`match`](#match-string) matches
+a window.
+
+#### match: String
+
+_Required_
+
+A lisp program which analyzes the i3 window event and returns a value.
+If the return value is `false` the window does not match and no
+further processing occurs. Otherwise the i3 command
+[`cmd`](#cmd-string-1).
+will be executed.
+
+#### cmd: String
+
+_Required_
+
+A i3 command. Can contain a format `{result}` which gets replaced
+by the output of the match command.
+
+**Example:**
+
+`for_window [con_id="{result}"] focus; move container to window 1`
+
+#### run: String
+
+_Optional_ _Default_ `null`
+
+A i3 command which is run at program startup, can be used to launch
+programs.
+
+**Example:**
+
+`exec gtk-launch firefox`
+
+### Signal
+
+Programs are launched in order and only advance after
+[`timeout`](#timeout-int-1) or after receiving signal
+`SIGUSR1`.
+
+#### run: String
+
+_Optional_ _Default_ `null`
+
+A i3 command.
+
+#### timeout: int
+
+_Optional_ _Default_ `500`
+
+How long to wait for the signal in ms.

src/config.rs

@@ -0,0 +1,105 @@
+use std::fmt::{Display, Formatter};
+
+use rust_lisp::model::Value as RValue;
+use serde::{Deserialize, Deserializer};
+
+#[derive(Clone, Debug)]
+pub struct Value(Vec<RValue>);
+unsafe impl Send for Value {}
+unsafe impl Sync for Value {}
+
+impl Into<Value> for RValue {
+    fn into(self) -> Value {
+        Value(vec![self])
+    }
+}
+
+impl Into<Vec<RValue>> for Value {
+    fn into(self) -> Vec<RValue> {
+        self.0
+    }
+}
+
+impl Display for Value {
+    fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
+        let mut s = String::new();
+        s.push_str("(begin\n");
+        for i in &self.0 {
+            s.push_str(&format!("{}\n", i));
+        }
+        s.push_str(")");
+        write!(f, "{}", &s)
+    }
+}
+
+impl<'de> Deserialize<'de> for Value {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let s: String = Deserialize::deserialize(deserializer)?;
+        let r: Vec<RValue> = rust_lisp::parser::parse(&s)
+            .filter_map(|x| x.ok())
+            .collect();
+        Ok(Value(r))
+    }
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct Program {
+    #[serde(rename = "match")]
+    pub match_: Value,
+    pub cmd: String,
+    #[serde(default)]
+    pub run: Option<String>,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct Signal {
+    #[serde(default)]
+    pub run: Option<String>,
+    #[serde(default = "Signal::default_timeout")]
+    pub timeout: u64,
+}
+impl Signal {
+    fn default_timeout() -> u64 {
+        500
+    }
+}
+
+#[derive(Clone, Debug, Deserialize)]
+#[serde(untagged)]
+pub enum ProgramEntry {
+    Program(Program),
+    Signal(Signal),
+}
+
+// Program is only unsafe because Value has dyn Any in it (via Foreign).
+// if we don't use !Send in Foreign everything is fine.
+unsafe impl Send for Program {}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct Config {
+    #[serde(default = "Config::default_timeout")]
+    pub timeout: u64,
+    #[serde(default = "Config::default_init")]
+    pub init: Value,
+    #[serde(default)]
+    pub cmd: Option<String>,
+    #[serde(default = "Config::default_programs")]
+    pub programs: Vec<ProgramEntry>,
+}
+// Config is only unsafe because Value has dyn Any in it (via Foreign).
+// if we don't use !Send in Foreign everything is fine.
+unsafe impl Send for Config {}
+impl Config {
+    fn default_timeout() -> u64 {
+        3000
+    }
+    fn default_init() -> Value {
+        Value(vec![])
+    }
+    fn default_programs() -> Vec<ProgramEntry> {
+        vec![]
+    }
+}

src/i3ipc.rs

@@ -1,10 +1,11 @@
-use anyhow::Result;
-use futures::future::BoxFuture;
-use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::pin::Pin;
 use std::str::FromStr;
-use std::sync::Arc;
+
+
+use anyhow::Result;
+
+use serde::{Deserialize, Serialize};
 use tokio::io::{AsyncReadExt, AsyncWriteExt, BufStream};
 use tokio::net::UnixStream;
 
@@ -192,9 +193,18 @@ impl<'a> Connection<'a> {
         (*cb.unwrap())(*subscription, response).await
     }
 
-    pub async fn run(&mut self) -> Result<(), anyhow::Error> {
+    pub async fn run(
+        &mut self,
+        rx: &mut tokio::sync::broadcast::Receiver<()>,
+    ) -> Result<(), anyhow::Error> {
         loop {
-            let (message_type, response) = self.receive_message().await?;
+            let stop_task = rx.recv();
+            let receive_message_task = self.receive_message();
+            let result = tokio::select! {
+                _ = stop_task => {return Ok(())},
+                result = receive_message_task => result?,
+            };
+            let (message_type, response) = result;
             if !message_type.is_subscription() {
                 continue;
             }

src/lisp.rs

@@ -0,0 +1,119 @@
+use std::collections::HashMap;
+
+use rust_lisp::model::{reference, reference::Reference, Env, FloatType, IntType, List, Value};
+
+fn serde_lisp_value(value: &serde_json::Value) -> Value {
+    match value {
+        serde_json::Value::Null => Value::NIL,
+        serde_json::Value::Bool(b) => {
+            if *b {
+                Value::True
+            } else {
+                Value::False
+            }
+        }
+        serde_json::Value::Number(n) => {
+            if n.is_i64() {
+                Value::Int(n.as_i64().unwrap() as IntType)
+            } else if n.is_u64() {
+                Value::Int(n.as_u64().unwrap() as IntType)
+            } else if n.is_f64() {
+                Value::Float(n.as_f64().unwrap() as FloatType)
+            } else {
+                panic!("should never happen");
+            }
+        }
+        serde_json::Value::String(s) => Value::String(s.clone()),
+        serde_json::Value::Array(a) => {
+            let mut l = List::NIL;
+            for li in a.into_iter().rev() {
+                l = l.cons(serde_lisp_value(li));
+            }
+            Value::List(l)
+        }
+        serde_json::Value::Object(o) => {
+            let mut r = HashMap::new();
+            for (k, v) in o.into_iter() {
+                let k_ = Value::String(k.clone());
+                let v_ = serde_lisp_value(v);
+                r.insert(k_, v_);
+            }
+            Value::HashMap(reference::new(r))
+        }
+    }
+}
+
+pub fn env(value: &serde_json::Value) -> Env {
+    let mut environment = rust_lisp::default_env();
+    environment.define(
+        rust_lisp::model::Symbol::from("__input__"),
+        serde_lisp_value(value),
+    );
+    environment.define(
+        rust_lisp::model::Symbol::from("load"),
+        rust_lisp::model::Value::NativeClosure(reference::new(
+            move |e: Reference<rust_lisp::model::Env>, args: Vec<rust_lisp::model::Value>| {
+                let path: &String =
+                    rust_lisp::utils::require_typed_arg::<&String>("load", &args, 0)?;
+                let path = (*path).as_str().split('.');
+                let mut i: rust_lisp::model::Value = reference::borrow(&e)
+                    .get(&rust_lisp::model::Symbol::from("__input__"))
+                    .unwrap();
+                for p in path
+                    .into_iter()
+                    .filter(|x| !(*x).eq(""))
+                    .map(|x| rust_lisp::model::Value::String(x.into()))
+                {
+                    match i {
+                        rust_lisp::model::Value::HashMap(x) => {
+                            if let Some(_i) = reference::borrow(&x).get(&p) {
+                                i = _i.clone();
+                            } else {
+                                return Err(rust_lisp::model::RuntimeError {
+                                    msg: format!(r#"No such key {:?}"#, p).into(),
+                                });
+                            }
+                        }
+                        _ => {
+                            return Err(rust_lisp::model::RuntimeError {
+                                msg: format!(r#"No such key {:?}"#, p).into(),
+                            })
+                        }
+                    };
+                }
+                Ok(i)
+            },
+        )),
+    );
+    environment.define(
+        rust_lisp::model::Symbol::from("has-key"),
+        rust_lisp::model::Value::NativeClosure(reference::new(
+            move |e: Reference<rust_lisp::model::Env>, args: Vec<rust_lisp::model::Value>| {
+                let path: &String =
+                    rust_lisp::utils::require_typed_arg::<&String>("has-key", &args, 0)?;
+                let path = (*path).as_str().split('.');
+                let mut i: rust_lisp::model::Value = reference::borrow(&e)
+                    .get(&rust_lisp::model::Symbol::from("__input__"))
+                    .unwrap();
+                for p in path
+                    .into_iter()
+                    .filter(|x| !(*x).eq(""))
+                    .map(|x| rust_lisp::model::Value::String(x.into()))
+                {
+                    match i {
+                        rust_lisp::model::Value::HashMap(x) => {
+                            if let Some(_i) = reference::borrow(&x).get(&p) {
+                                i = _i.clone();
+                            } else {
+                                return Ok(rust_lisp::model::Value::False);
+                            }
+                        }
+                        _ => return Ok(rust_lisp::model::Value::False),
+                    };
+                }
+                Ok(rust_lisp::model::Value::True)
+            },
+        )),
+    );
+    environment
+}

src/main.rs

@@ -1,168 +1,215 @@
-use anyhow::Result;
-use std::cell::RefCell;
 use std::collections::HashMap;
-use std::rc::Rc;
+use std::path::PathBuf;
+use std::str::FromStr;
+
+use anyhow::{Context, Result};
+use clap::Parser;
+use log::{debug, info, warn};
+use tokio::io::AsyncReadExt;
 use tokio::time::{timeout, Duration};
 
+mod config;
 mod i3ipc;
+mod lisp;
 
+use config::{Config, ProgramEntry};
 use i3ipc::{Connection, MessageType};
 
-fn serde_lisp_value(value: &serde_json::Value) -> rust_lisp::model::Value {
-    match value {
-        serde_json::Value::Null => rust_lisp::model::Value::NIL,
-        serde_json::Value::Bool(b) => {
-            if *b {
-                rust_lisp::model::Value::True
-            } else {
-                rust_lisp::model::Value::False
-            }
-        }
-        serde_json::Value::Number(n) => {
-            if n.is_i64() {
-                rust_lisp::model::Value::Int(n.as_i64().unwrap() as rust_lisp::model::IntType)
-            } else if n.is_u64() {
-                rust_lisp::model::Value::Int(n.as_u64().unwrap() as rust_lisp::model::IntType)
-            } else if n.is_f64() {
-                rust_lisp::model::Value::Float(n.as_f64().unwrap() as rust_lisp::model::FloatType)
-            } else {
-                panic!("should never happen");
-            }
-        }
-        serde_json::Value::String(s) => rust_lisp::model::Value::String(s.clone()),
-        serde_json::Value::Array(a) => {
-            let mut l = rust_lisp::model::List::NIL;
-            for li in a.into_iter().rev() {
-                l = l.cons(serde_lisp_value(li));
-            }
-            rust_lisp::model::Value::List(l)
-        }
-        serde_json::Value::Object(o) => {
-            let mut r = HashMap::new();
-            for (k, v) in o.into_iter() {
-                let k_ = rust_lisp::model::Value::String(k.clone());
-                let v_ = serde_lisp_value(v);
-                r.insert(k_, v_);
-            }
-            rust_lisp::model::Value::HashMap(Rc::new(RefCell::new(r)))
+#[derive(Debug, Clone, Parser)]
+#[command(author, version, about, long_about = None)]
+struct Args {
+    #[arg(short, long, value_name = "FILE")]
+    config: Option<PathBuf>,
+}
+
+impl Args {
+    fn finish(&mut self) {
+        // TODO maybe return separate type
+        if self.config.is_none() {
+            self.config = Some(
+                xdg::BaseDirectories::with_prefix("i3toolwait")
+                    .unwrap()
+                    .get_config_file("config.yaml"),
+            );
         }
     }
 }
 
 fn new_window_cb(
-    b: MessageType,
+    _b: MessageType,
     c: serde_json::Value,
-    d: bool,
+    config: &Config,
+    _args: &Args,
+    programs: &std::sync::Arc<tokio::sync::Mutex<Vec<ProgramEntry>>>,
+    tx: &tokio::sync::broadcast::Sender<()>,
 ) -> futures::future::BoxFuture<'static, Vec<(MessageType, Vec<u8>)>> {
+    let config_ = config.clone();
+    let tx_ = tx.clone();
+    let programs_ = programs.clone();
     Box::pin(async move {
-        let mut environment = rust_lisp::default_env();
-        environment.define(
-            rust_lisp::model::Symbol::from("__input__"),
-            serde_lisp_value(&c),
-        );
-        environment.define(
-            rust_lisp::model::Symbol::from("load"),
-            rust_lisp::model::Value::NativeClosure(Rc::new(RefCell::new(
-                move |e: Rc<RefCell<rust_lisp::model::Env>>, args: Vec<rust_lisp::model::Value>| {
-                    let path: &String =
-                        rust_lisp::utils::require_typed_arg::<&String>("load", &args, 0)?;
-                    let path = (*path).as_str().split('.');
-                    let mut i: rust_lisp::model::Value = e
-                        .as_ref()
-                        .borrow()
-                        .get(&rust_lisp::model::Symbol::from("__input__"))
-                        .unwrap();
-                    for p in path
-                        .into_iter()
-                        .filter(|x| !(*x).eq(""))
-                        .map(|x| rust_lisp::model::Value::String(x.into()))
-                    {
-                        match i {
-                            rust_lisp::model::Value::HashMap(x) => {
-                                if let Some(_i) = x.as_ref().borrow().get(&p) {
-                                    i = _i.clone();
-                                } else {
-                                    return Err(rust_lisp::model::RuntimeError {
-                                        msg: format!(r#"No such key {:?}"#, p).into(),
-                                    });
-                                }
-                            }
-                            _ => {
-                                return Err(rust_lisp::model::RuntimeError {
-                                    msg: format!(r#"No such key {:?}"#, p).into(),
-                                })
-                            }
-                        };
-                    }
-                    Ok(i)
-                },
-            ))),
-        );
-        environment.define(
-            rust_lisp::model::Symbol::from("has-key"),
-            rust_lisp::model::Value::NativeClosure(Rc::new(RefCell::new(
-                move |e: Rc<RefCell<rust_lisp::model::Env>>, args: Vec<rust_lisp::model::Value>| {
-                    let path: &String =
-                        rust_lisp::utils::require_typed_arg::<&String>("has-key", &args, 0)?;
-                    let path = (*path).as_str().split('.');
-                    let mut i: rust_lisp::model::Value = e
-                        .as_ref()
-                        .borrow()
-                        .get(&rust_lisp::model::Symbol::from("__input__"))
-                        .unwrap();
-                    for p in path
-                        .into_iter()
-                        .filter(|x| !(*x).eq(""))
-                        .map(|x| rust_lisp::model::Value::String(x.into()))
-                    {
-                        match i {
-                            rust_lisp::model::Value::HashMap(x) => {
-                                if let Some(_i) = x.as_ref().borrow().get(&p) {
-                                    i = _i.clone();
-                                } else {
-                                    return Ok(rust_lisp::model::Value::False);
-                                }
-                            }
-                            _ => return Ok(rust_lisp::model::Value::False),
-                        };
-                    }
-                    Ok(rust_lisp::model::Value::True)
-                },
-            ))),
-        );
-        let environment = environment;
-        let code = r#"(load ".container.geometry")"#;
-        let ast = rust_lisp::parser::parse(code).filter_map(|a| a.ok());
-        let result = rust_lisp::interpreter::eval_block(Rc::new(RefCell::new(environment)), ast);
-        println!("{:?}", result);
+        let mut command = None;
+        let mut index = None;
+        debug!("Received window event: {}", &c);
+        for (i, p) in programs_.lock().await.iter().enumerate() {
+            match p {
+                ProgramEntry::Program(p) => {
+                    debug!("Evaluating program: {}", &p.match_);
+                    let e = lisp::env(&c);
+                    let init: Vec<rust_lisp::model::Value> = config_.init.clone().into();
+                    let prog: Vec<rust_lisp::model::Value> = p.match_.clone().into();
+                    let m = init.into_iter().chain(prog.into_iter());
+                    let result =
+                        rust_lisp::interpreter::eval_block(rust_lisp::model::reference::new(e), m);
+                    if let Ok(v) = &result {
+                        debug!("Received result: {}", v);
+                        if *v == rust_lisp::model::Value::False {
+                            continue;
+                        }
+                        debug!("Match found");
+                        let mut vars = HashMap::with_capacity(1);
+                        vars.insert("result".to_string(), v.to_string());
+                        let cmd = strfmt::strfmt(&p.cmd, &vars).unwrap();
+                        debug!("Command: {}", &cmd);
 
+                        index = Some(i);
+                        command = Some(cmd);
+                        break;
+                    } else {
+                        warn!("Program produced an error: {:?}", &result);
+                    }
+                }
+                _ => {
+                    // Ignore signal entries
+                    ()
+                }
+            };
+        }
+        if let Some(index) = index {
+            let mut plock = programs_.lock().await;
+            plock.remove(index);
+            if plock.len() == 0 {
+                tx_.send(()).unwrap();
+            }
+            return vec![(MessageType::Command, command.unwrap().into_bytes())];
+        }
+        debug!("No match found");
         Vec::new()
     })
 }
 
-async fn run<'a>(c: &mut Connection<'a>) -> Result<(), anyhow::Error> {
-    let resp = c.communicate(&MessageType::Version, b"").await?;
-    println!("{:?}", resp);
-
-    c.communicate(&MessageType::Command, b"exec alacritty")
+async fn run_command<'a>(
+    connection: &mut Connection<'a>,
+    command: &str,
+) -> Result<(), anyhow::Error> {
+    let (_, responses) = connection
+        .communicate(&MessageType::Command, command.as_bytes())
         .await?;
+    match responses {
+        serde_json::Value::Array(responses) => {
+            for response in responses {
+                if let serde_json::Value::Bool(v) = response.get("success").unwrap() {
+                    if !v {
+                        warn!("Failed to run command {}: {}", command, response);
+                    }
+                }
+            }
+        }
+        _ => panic!("invalid response"),
+    };
+    Ok(())
+}
+
+async fn run<'a>(connection: &mut Connection<'a>, config: &Config) -> Result<(), anyhow::Error> {
+    let (_, resp) = connection.communicate(&MessageType::Version, b"").await?;
+    info!("i3 version is {}", resp.get("human_readable").unwrap());
+
+    let mut signal_stream =
+        tokio::signal::unix::signal(tokio::signal::unix::SignalKind::user_defined1())?;
+
+    for p in config.programs.iter() {
+        match p {
+            ProgramEntry::Program(p) => {
+                if let Some(r) = &p.run {
+                    run_command(connection, r).await?;
+                }
+            }
+            ProgramEntry::Signal(p) => {
+                if let Some(r) = &p.run {
+                    run_command(connection, r).await?;
+                }
+                if let Err(_) =
+                    timeout(Duration::from_millis(p.timeout), signal_stream.recv()).await
+                {
+                    warn!(
+                        "Ran into timeout when waiting for signal, program: {:?}",
+                        p.run
+                    );
+                }
+            }
+        };
+    }
     Ok(())
 }
 
 #[tokio::main]
 async fn main() -> Result<()> {
+    env_logger::init_from_env(
+        env_logger::Env::new()
+            .filter("I3TOOLWAIT_LOG")
+            .write_style("I3TOOLWAIT_LOG_STYLE"),
+    );
+
+    let mut args = Args::parse();
+    args.finish();
+    let args = std::sync::Arc::new(args);
+    let mut config = String::new();
+    if args.config.as_ref().unwrap() == &PathBuf::from_str("-").unwrap() {
+        tokio::io::stdin().read_to_string(&mut config).await?;
+    } else {
+        tokio::fs::File::open(args.config.as_ref().unwrap())
+            .await.with_context(
+                || format!("Failed to read config file {}", args.config.as_ref().unwrap().to_string_lossy())
+            )?
+            .read_to_string(&mut config)
+            .await?;
+    }
+    let config: Config = serde_yaml::from_str(&config)?;
+    let config = std::sync::Arc::new(config);
+    let programs = std::sync::Arc::new(tokio::sync::Mutex::new(config.programs.clone()));
+
     let mut connection = Connection::connect((i3ipc::get_socket_path().await?).as_ref())?;
     let mut sub_connection = connection.clone();
+    let cb_config = config.clone();
+    let cb_args = args.clone();
 
-    let b_ = true;
-    let cb = move |a, b| {new_window_cb(a,b,b_)};
+    let (tx, mut rx) = tokio::sync::broadcast::channel::<()>(1);
+
+    let cb_programs = programs.clone();
+    let cb = move |a, b| new_window_cb(a, b, &cb_config, &cb_args, &cb_programs, &tx);
     sub_connection
         .subscribe(&[MessageType::SubWindow], &cb)
         .await?;
+
     tokio::join!(
-        timeout(Duration::from_secs(1), sub_connection.run()),
-        run(&mut connection),
+        timeout(
+            Duration::from_millis(config.timeout),
+            sub_connection.run(&mut rx)
+        ),
+        run(&mut connection, &config),
     )
     .1?;
+    {
+        let p = programs.lock().await;
+        if p.len() != 0 {
+            warn!("Not all programs consumed: {:?}", &p);
+            info!("Maybe the timouts are too short?");
+        }
+    }
+
+    if let Some(cmd) = &config.cmd {
+        connection
+            .communicate(&MessageType::Command, cmd.as_bytes())
+            .await?;
+    }
     Ok(())
 }