commit b36bb109a68f8dce97fb5775e43a0a17e49e74db Author: Marcel Schneider Date: Wed Jun 5 16:14:35 2019 +0200 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..53eaa21 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +/target +**/*.rs.bk diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..6e15d5a --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,91 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "autocfg" +version = "0.1.4" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] +name = "chrono" +version = "0.4.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)", + "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)", + "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name 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0000000..b4ed8d6 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,99 @@ +use chrono::prelude::*; +use chrono::Duration; +use std::io::{stdout, Result, StdoutLock, Write}; +use std::process::{Command, Output}; +use std::thread::sleep; + +const TIME_FORMAT: &'static str = "%H:%M:%S"; + +fn main() { + run().unwrap(); +} + +/// Runs the application +/// +/// Default time settings are 25 minutes for a working block and 5 minutes for a break. +fn run() -> Result<()> { + let work_duration = Duration::seconds(if cfg!(debug_assertions) { 5 } else { 25 * 60 }); + let break_duration = Duration::seconds(if cfg!(debug_assertions) { 5 } else { 5 * 60 }); + + loop { + timer( + "Work", + "The working time is over, have a break now!", + &work_duration, + )?; + + timer( + "Break", + "The break is over, get back to work!", + &break_duration, + )?; + } +} + +/// Handles a timer block +/// +/// # Arguments +/// +/// * name - The name for this block, e.g. 'Work' or 'Break' +/// * after_msg - The message to be displayed by the Dialog window at the end of the time +/// * duration - How long this block shall be +fn timer(name: &str, after_msg: &str, duration: &Duration) -> Result<()> { + let out = stdout(); + let mut out = out.lock(); + let start = Local::now(); + writeln!(out, "{} start {}", name, start.format(TIME_FORMAT))?; + + loop { + reset_line(&mut out)?; + let elapsed: Duration = Local::now().signed_duration_since(start); + + if elapsed >= *duration { + break; + } + + let elapsed_time: NaiveTime = NaiveTime::from_hms( + elapsed.num_hours() as u32, + elapsed.num_minutes() as u32, + elapsed.num_seconds() as u32, + ); + write!(out, "Time elapsed: {}", elapsed_time.format(TIME_FORMAT))?; + out.flush().unwrap(); + + sleep(Duration::seconds(1).to_std().unwrap()); + } + + let now = Local::now(); + writeln!(out, "{} end {}", name, now.format(TIME_FORMAT))?; + dialog(after_msg).unwrap(); + Ok(()) +} + +/// Shows a dialog +/// +/// Currently only supports KDE dialogs via command line program `kdialgo`. +/// +/// # Arguments +/// +/// * text - The text to be shown in the Dialog +fn dialog(text: &str) -> Result { + Command::new("sh") + .arg("-c") + .arg(format!( + "kdialog --title 'Pomodoro Timer' --msgbox '{}'", + text + )) + .output() +} + +/// Resets the current line on stdout +/// +/// Works for me® but is probably unportable as hell. +/// +/// # Arguments +/// +/// * w - A reference to the locked stdout handle +pub fn reset_line(w: &mut StdoutLock) -> Result<()> { + write!(w, "\r[2K") +}