initial commit

.gitignore

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+/target
+Cargo.lock
+

Cargo.toml

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+[package]
+name = "i3-sec"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+i3ipc = "0.10.1"
+

src/main.rs

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+use std::process::{
+	Command,
+	exit
+};
+
+use i3ipc::{
+	I3Connection,
+	I3EventListener,
+	Subscription,
+	event::{Event, ModeEventInfo}
+};
+
+
+pub fn build_widget(connection: &mut I3Connection) {
+	let base = "(box :class \"workspace\" :orientation \"h\" :spacing 2 :space-evenly false ";
+	let mut output = base.to_string();
+	let reply = connection.get_workspaces();
+	if reply.is_err() {
+		exit(1);
+	}
+	let workspaces = reply.ok().unwrap();
+	for ws in workspaces.workspaces {
+		let mut element = String::from("(button :vexpand true :class \"");
+
+		let mut classes = String::from("ws-btn ");
+		if ws.focused {
+			classes += "focused ";
+		}
+		if ws.urgent {
+			classes += "urgent ";
+		}
+		element += &(classes + "\" :onclick \"i3-msg workspace ");
+
+		element += &(ws.num.to_string() + "\" \"");
+		element += &(ws.num.to_string() + "\")");
+
+		output += &element;
+	}
+
+	println!("{})", output);
+}
+
+pub fn set_mode(e: ModeEventInfo) {
+	let mut cmd = Command::new("eww");
+	let mode_str = String::from("WM_MODE=") + &e.change;
+	cmd.args(["update", &mode_str]);
+	cmd.output().ok();
+}
+
+fn main() {
+	let mut connection = I3Connection::connect().unwrap();
+    build_widget(&mut connection);
+
+	let mut listener = I3EventListener::connect().unwrap();
+	let subs = [Subscription::Workspace, Subscription::Mode];
+	listener.subscribe(&subs).unwrap();
+	for event in listener.listen() {
+		match event.unwrap() {
+			Event::WorkspaceEvent(_) => build_widget(&mut connection),
+			Event::ModeEvent(e) => set_mode(e),
+			_ => unreachable!()
+		}
+	}
+}