cleaned up code, updated version and README

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "i3-sec"
-version = "0.0.1"
+version = "0.0.2"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

README.md

@@ -13,6 +13,9 @@ The workspace numbers emitted will have the `ws-btn` class, `focused` and
 `urgent` classes where appropriate, and an `onclick` handler that switches to the
 workspace it represents.
 
+The program will also issue commands to EWW to update the `WM_MODE` variable with
+the current i3 mode.
+
 ## Libraries
 
 - [i3ipc](https://crates.io/crates/i3ipc) — handles IPC to i3

src/main.rs

@@ -10,36 +10,40 @@ use i3ipc::{
 	event::{Event, ModeEventInfo}
 };
 
-
+///	builds the i3 workspace widget and prints it
 pub fn build_widget(connection: &mut I3Connection) {
+	//	open base element
 	let base = "(box :class \"workspace\" :orientation \"h\" :spacing 2 :space-evenly false ";
 	let mut output = base.to_string();
+
+	//	get workspaces from IPC
 	let reply = connection.get_workspaces();
 	if reply.is_err() {
 		exit(1);
 	}
 	let workspaces = reply.ok().unwrap();
+
+	//	loop to build elements for workspaces
 	for ws in workspaces.workspaces {
-		let mut element = String::from("(button :vexpand true :class \"");
-
+		//	build classes
 		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() + "\")");
+		if ws.focused { classes += "focused "; }
+		if ws.urgent { classes += "urgent "; }
+		//	build workspace number
+		let ws_num = ws.num.to_string();
 
+		//	build element yuck
+		let element = format!("(button :vexpand true :class \"{classes}\" :onclick \"i3-msg workspace {ws_num}\" \"{ws_num}\")");
+		//	... and add to output
 		output += &element;
 	}
 
-	println!("{})", output);
+	//	... and emit!
+	println!("{output})");
 }
 
+///	issues a command for eww to update the WM_MODE variable on
+///	i3 mode change.
 pub fn set_mode(e: ModeEventInfo) {
 	let mut cmd = Command::new("eww");
 	let mode_str = String::from("WM_MODE=") + &e.change;
@@ -48,9 +52,12 @@ pub fn set_mode(e: ModeEventInfo) {
 }
 
 fn main() {
+	//	open IPC
 	let mut connection = I3Connection::connect().unwrap();
+	//	build initial widget
     build_widget(&mut connection);
 
+	//	and await workspace and mode events effectively forever
 	let mut listener = I3EventListener::connect().unwrap();
 	let subs = [Subscription::Workspace, Subscription::Mode];
 	listener.subscribe(&subs).unwrap();