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.gitignore

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Cargo.toml

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+[package]
+name = "dwm-status"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+chrono = "0.4.26"
+systemstat = "0.2.3"
+xcb = "1.2.1"

src/main.rs

@@ -0,0 +1,46 @@
+use std::thread;
+use std::time::Duration;
+
+use xcb::x;
+
+use systemstat::{saturating_sub_bytes, Platform, System};
+
+use chrono::prelude::*;
+
+fn date_block() -> String {
+    Local::now().format("%A %d %B | %H:%M").to_string()
+}
+
+fn mem_block() -> String {
+    let sys = System::new();
+
+    if let Ok(mem) = sys.memory() {
+        format!("{}", saturating_sub_bytes(mem.total, mem.free))
+    } else {
+        "".to_string()
+    }
+}
+
+fn main() -> xcb::Result<()> {
+    let (conn, screen_num) = xcb::Connection::connect(None)?;
+
+    // Fetch the `x::Setup` and get the main `x::Screen` object.
+    let setup = conn.get_setup();
+    let screen = setup.roots().nth(screen_num as usize).unwrap();
+
+    loop {
+        let status_bar = format!(" {} | {} ", mem_block(), date_block());
+
+        conn.send_request(&x::ChangeProperty {
+            mode: x::PropMode::Replace,
+            window: screen.root(),
+            property: x::ATOM_WM_NAME,
+            r#type: x::ATOM_STRING,
+            data: status_bar.as_bytes(),
+        });
+
+        conn.flush()?;
+
+        thread::sleep(Duration::from_secs(1));
+    }
+}