Add time readout

This commit is contained in:
Wojciech Kozlowski 2018-12-26 04:01:08 +05:30
parent f8f1b0f7e1
commit d2a147e813
4 changed files with 216 additions and 8 deletions

167
Cargo.lock generated
View File

@ -1,21 +1,168 @@
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@ -26,6 +173,26 @@ dependencies = [
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View File

@ -9,3 +9,5 @@ build = "build.rs"
[dependencies]
x11 = "2"
libc = "0.2"
chrono = "0.4"
chrono-tz = "0.5"

View File

@ -11,3 +11,9 @@ pub const BATT_PATH: &'static str = "/sys/class/power_supply";
/// Batteries to display.
pub const BATTS: [&'static str; 2] = ["BAT0", "BAT1"];
/// Default Time zone.
pub const TZ_DEF: &str = "Europe/Berlin";
/// Additional time zones to display (short name, full name).
pub const TZS: [(char, &'static str); 2] = [('A', "America/Buenos_Aires"), ('U', "UTC")];

View File

@ -8,18 +8,21 @@
//! [suckless.org](https://suckless.org/) programs to Rust, a programming
//! language that sucks less.
extern crate x11;
extern crate chrono;
extern crate chrono_tz;
extern crate libc;
extern crate x11;
// std module imports
use std::env;
use std::io;
use std::io::prelude::*;
use std::process;
use std::ptr;
use std::thread;
use std::time;
// std type imports
use std::io::prelude::*;
use std::ffi::CString;
use std::fs::File;
@ -27,6 +30,9 @@ use std::fs::File;
use x11::xlib::Display;
use x11::xlib::{XDefaultRootWindow, XOpenDisplay, XStoreName, XSync};
// Other external imports
use chrono::prelude::*;
// Internal module imports
mod config;
use config::*;
@ -60,10 +66,12 @@ fn get_temperatures() -> String {
/// Return temperature read from the provided monitor.
fn get_temp(hwmon: &str) -> String {
match read_file(hwmon, "temp1_input") {
Ok(contents) => match contents.trim().parse::<f64>() {
Ok(val) => format!("{:02.0}°C", val / 1000.0),
Err(_) => format!(""),
},
Ok(contents) => {
match contents.trim().parse::<f64>() {
Ok(val) => format!("{:02.0}°C", val / 1000.0),
Err(_) => format!(""),
}
}
Err(_) => format!(""),
}
}
@ -155,6 +163,30 @@ fn get_batt(batt: &str) -> String {
)
}
/// Return times for all configured time zones.
fn get_times() -> String {
let mut tz_strs: Vec<String> = vec![];
for tz in TZS.iter() {
tz_strs.push(format!("{}:{}", tz.0, get_tz_time(tz.1, "%H:%M")));
}
tz_strs.push(get_tz_time(TZ_DEF, "KW %W %a %d %b %H:%M %Z %Y"));
tz_strs.join(" ")
}
/// Get the time for the provided time zone.
fn get_tz_time(tz_name: &str, fmt: &str) -> String {
match tz_name.parse::<chrono_tz::Tz>() {
Ok(tz) => {
let utc = Utc::now().naive_utc();
format!("{}", tz.from_utc_datetime(&utc).format(fmt))
}
Err(_) => return format!(""),
}
}
fn main() {
let display: *mut Display;
@ -171,6 +203,7 @@ fn main() {
let temps = get_temperatures();
let avgs = get_load_avgs();
let batts = get_batteries();
let times = get_times();
unsafe {
XStoreName(display, XDefaultRootWindow(display), status.as_ptr());
@ -178,6 +211,6 @@ fn main() {
}
thread::sleep(time::Duration::from_secs(60));
let status = cstring(&format!("T:{} L:{} B:{}", temps, avgs, batts));
let status = cstring(&format!("T:{} L:{} B:{} {}", temps, avgs, batts, times));
}
}