gistfile1.txt

#!/usr/bin/env run-cargo-script
//! ```cargo
//! [dependencies]
//! unixbar = "0"
//! systemstat = "0"
//! ```

#[macro_use] extern crate unixbar;
extern crate systemstat;
use unixbar::*;
use systemstat::{System, Platform, ByteSize};

fn main() {
    let mut sep = Separator::new("#770000", "#000000");

    UnixBar::new(LemonbarFormatter::new())
        .add(Text::new(bfmt![fg[sep.fg] bg[sep.bg] text["Hello "]]))
        .add(Text::new(sep.right("#ffffff", "#335533")))
        .add(Text::new(bfmt![fg[sep.fg] bg[sep.bg] text["World "]]))
        .add(Text::new(sep.right("#00ff00", "#677766")))
        .add(Text::new(bfmt![fg[sep.fg] bg[sep.bg] text["Hello "]]))
        .add(Text::new(sep.right("#000000", "#00000000")))

        .add(Text::new(bfmt![center]))
        .add(Bspwm::new(|desktops| Format::Concat(desktops.iter().map(|d|
                Box::new( {
                    let bg = if d.focused { "#99aa11" } else { "#111111" };
                    bfmt![
                        click[MouseButton::Left => format!("bspc desktop -f {}", d.name)]
                        bg[bg] fmt[" {} ", d.name]
                    ]
                    })
                ).collect())))



        .add(Text::new(bfmt![right]))

        .add(Text::new(sep.left("#ffffff", "#000000")))
        .add(Periodic::new(
             Duration::from_secs(2),
             || match System::new().memory() {
                 Ok(mem) => bfmt![fg[sep.fg] bg[sep.bg] fmt[" {}/{} RAM ", as_string_gb(mem.total -  mem.free), mem.total]],
                 Err(_) => bfmt![fg["#bb1155"] bg[sep.bg] text["error"]],
             }))

        .add(Text::new(sep.left("#ffffff", "#000000")))
        .add(Wrap::new(
             |f| bfmt![fg["#bb1155"] f],
             DateTime::new("%H:%M:%S"))
        )
        .add(Text::new(bfmt![text[" | "]]))
        .add(Wrap::new(
             |f| bfmt![fg["#bb1155"] f],
             DateTime::new("%W. %A")) // week, day
        )
        .add(Text::new(bfmt![text[" | "]]))
        .add(Wrap::new(
             |f| bfmt![fg["#bb1155"] f],
             DateTime::new("%d. %B")) // date, month
        )
        .run();
}

fn as_string_gb(bytes: ByteSize) -> String {
    format!("{}", (bytes.as_usize()/1000000) as f32 / 1000.0)
}



struct Separator {
    fg: &'static str,
    bg: &'static str,
}

impl Separator {
    pub fn new(fg: &'static str, bg: &'static str) -> Separator {
        Separator {
            fg: fg,
            bg: bg,
        }
    }
    pub fn left(&mut self, fg: &'static str, bg: &'static str) -> Format {
        let ret = bfmt![
            fg[bg] bg[self.bg] text[" ⮃⮂"]
        ];
        self.fg = fg;
        self.bg = bg;
        ret
    }
    pub fn right(&mut self, fg: &'static str, bg: &'static str) -> Format {
        let ret = bfmt![
            fg[self.bg] bg[bg] text["⮀⮁ "]
        ];
        self.fg = fg;
        self.bg = bg;
        ret
    }

}