add: sway window add id and title on waybar moduleHEADmain

3 files changed, 221 insertions, 0 deletions

diff --git a/waybar-window/Cargo.lock b/waybar-window/Cargo.lock
new file mode 100644
index 0000000..2c0af73
--- /dev/null
+++ b/waybar-window/Cargo.lock
@@ -0,0 +1,149 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "itoa"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
+
+[[package]]
+name = "memchr"
+version = "2.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf8baf1c55e62ffcace7a9f06f4bd9cd3f0c4beb022d3b367256b91b87513d98"
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfbc457d0c7a0759a614551b11a6409e5951f6c7537be1f1b7682b9ae9230368"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "serde"
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+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
+dependencies = [
+ "serde_core",
+ "serde_derive",
+]
+
+[[package]]
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+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8014e44b4736ed0538adeecded0fce2a272f22dc9578a7eb6b2d9993c74cfb9"
+dependencies = [
+ "itoa",
+ "memchr",
+ "serde",
+ "serde_core",
+ "zmij",
+]
+
+[[package]]
+name = "swayipc"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fd6ee13016b1ae2fbf741ddb2133d983a3fecdc34686eec6202e2a80612d82f"
+dependencies = [
+ "serde",
+ "serde_json",
+ "swayipc-types",
+]
+
+[[package]]
+name = "swayipc-types"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a29165dc67819a052bd67962b6c9de7c5d4461f0e8d224eb0f7cdd26cf05a650"
+dependencies = [
+ "serde",
+ "serde_json",
+ "thiserror",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.118"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9ae57f904213ebb649ce6895b8a66c66f0203b9319718f69a5612a065b1422"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "thiserror"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "unicode-ident"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
+
+[[package]]
+name = "waybar-window"
+version = "0.1.0"
+dependencies = [
+ "serde_json",
+ "swayipc",
+]
+
+[[package]]
+name = "zmij"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/waybar-window/Cargo.toml b/waybar-window/Cargo.toml
new file mode 100644
index 0000000..e263b39
--- /dev/null
+++ b/waybar-window/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "waybar-window"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+serde_json = "1.0.150"
+swayipc = "4.0.0"
diff --git a/waybar-window/src/main.rs b/waybar-window/src/main.rs
new file mode 100644
index 0000000..aa301ec
--- /dev/null
+++ b/waybar-window/src/main.rs
@@ -0,0 +1,64 @@
+use serde_json::json;
+use std::io::Write;
+use swayipc::{Connection, Event, EventType, Fallible, Node};
+
+/// True if this node represents an actual window (not a workspace/output/container)
+fn is_window(node: &Node) -> bool {
+    node.app_id.is_some() || node.window_properties.is_some()
+}
+
+/// Walk the tree and find the focused node.
+fn find_focused(node: &Node) -> Option<&Node> {
+    // Also checking for if it's a window otherwise Sway marks an empty workspace as focused
+    if node.focused && is_window(node) {
+        return Some(node);
+    }
+    node.nodes
+        .iter()
+        .chain(node.floating_nodes.iter())
+        .find_map(find_focused)
+}
+
+fn format_line(node: &Node) -> String {
+    let app_id = node
+        .app_id
+        .clone()
+        .or_else(|| node.window_properties.as_ref()?.class.clone())
+        .unwrap_or_else(|| "?".to_string());
+    let title = node.name.clone().unwrap_or_default();
+    format!("{app_id} | {title}")
+}
+
+fn print_json(text: &str) {
+    let escaped = json!({ "text": text, "tooltip": false });
+    println!("{escaped}");
+    let _ = std::io::stdout().flush();
+}
+
+fn main() -> Fallible<()> {
+    // Print current focused window immediately so waybar has something
+    // on startup instead of waiting for the next event.
+    {
+        let mut conn = Connection::new()?;
+        let tree = conn.get_tree()?;
+        let text = find_focused(&tree).map(format_line).unwrap_or_default();
+        print_json(&text);
+    }
+
+    // Then stream updates as they happen.
+    let subs = [EventType::Window, EventType::Workspace];
+    for event in Connection::new()?.subscribe(subs)? {
+        match event {
+            Ok(Event::Window(_)) | Ok(Event::Workspace(_)) => {
+                let mut conn = Connection::new()?;
+                let tree = conn.get_tree()?;
+                let text = find_focused(&tree).map(format_line).unwrap_or_default();
+                print_json(&text);
+            }
+            Ok(_) => {}
+            Err(e) => eprintln!("swayipc event error: {e}"),
+        }
+    }
+
+    Ok(())
+}