Osuation

src/app.rs

@@ -1,29 +0,0 @@
-use std::ops::Deref;
-
-use crate::config::ConfigWatcher;
-
-#[async_trait]
-pub trait AnyApp {
-    fn say_hello(&self) {
-        debug!("hello from app");
-    }
-}
-
-/// An App is usually associated with a particular separate service or piece of functionality.
-pub struct App<A: AppI> {
-    inner: A,
-    // config_watcher: ConfigWatcher<A::Config>,
-}
-
-impl<A: AppI> App<A> {
-    pub fn new(app: A) -> Self {
-        App { inner: app }
-    }
-}
-
-/// The interface that anything that wants to become an App must implement
-pub trait AppI: Sized {
-    type Config;
-}
-
-impl<A: AppI> AnyApp for App<A> {}

src/config.rs

@@ -1,25 +0,0 @@
-use std::marker::PhantomData;
-use std::sync::mpsc::channel;
-use std::time::Duration;
-
-use anyhow::Result;
-use notify::{DebouncedEvent, RecursiveMode, Watcher};
-use xdg::BaseDirectories;
-
-pub struct ConfigWatcher<C> {
-    _ty: PhantomData<C>,
-}
-
-pub fn watch_config() -> Result<()> {
-    let (tx, rx) = channel();
-
-    let xdg = BaseDirectories::new()?;
-    let config_home = xdg.get_config_home();
-    let mut watcher = notify::watcher(tx, Duration::from_secs(5))?;
-    watcher.watch(config_home, RecursiveMode::Recursive)?;
-
-    loop {
-        let evt = rx.recv()?;
-    }
-    Ok(())
-}

src/event.rs

@@ -1 +0,0 @@
-pub enum Event {}

src/mailapp.rs

@@ -1,21 +0,0 @@
-use std::collections::HashMap;
-
-use lettre::SmtpClient;
-use anyhow::Result;
-
-use crate::app::AppI;
-
-pub struct MailApp {
-    client: SmtpClient,
-}
-
-impl AppI for MailApp {
-    type Config = ();
-}
-
-impl MailApp {
-    pub fn new(domain: impl AsRef<str>) -> Result<Self> {
-        let client = SmtpClient::new_simple(domain.as_ref())?;
-        Ok(MailApp { client })
-    }
-}

src/main.rs

@@ -1,65 +1,23 @@
 #[macro_use]
-extern crate async_trait;
-#[macro_use]
-extern crate cfg_if;
-#[macro_use]
 extern crate crossterm;
-#[macro_use]
-extern crate log;
-#[macro_use]
-extern crate pin_project;
 
-mod app;
-mod config;
-mod event;
-mod mailapp;
-mod panorama;
 mod ui;
 
-use std::io;
-use std::sync::mpsc::channel;
-use std::thread;
-
 use anyhow::Result;
-use tokio::runtime::Runtime;
+use lettre::SmtpClient;
+use tokio::sync::oneshot;
 
-use crate::panorama::Panorama;
-use crate::config::watch_config;
-use crate::ui::Ui;
+type ExitSender = oneshot::Sender<()>;
 
-fn main() -> Result<()> {
-    fern::Dispatch::new()
-        .format(|out, message, record| {
-            out.finish(format_args!(
-                "{}[{}][{}] {}",
-                chrono::Local::now().format("[%Y-%m-%d][%H:%M:%S]"),
-                record.target(),
-                record.level(),
-                message
-            ))
-        })
-        .level(log::LevelFilter::Debug)
-        .chain(fern::log_file("output.log")?)
-        .apply()?;
+#[tokio::main]
+async fn main() -> Result<()> {
+    SmtpClient::new_simple("");
 
-    let runtime = Runtime::new()?;
-    thread::spawn(move || {
-        let panorama = Panorama::new().unwrap();
-        runtime.block_on(panorama.run());
-    });
+    let (exit_tx, exit_rx) = oneshot::channel::<()>();
 
-    let stdout = io::stdout();
-    let (evts_tx, evts_rx) = channel();
-
-    // spawn a thread for listening to configuration changes
-    thread::spawn(move || {
-        watch_config();
-    });
-    info!("poggers");
-
-    // run the ui on the main thread
-    let ui = Ui::init(stdout, evts_rx)?;
-    ui.run()?;
+    let stdout = std::io::stdout();
+    tokio::spawn(ui::run_ui(stdout, exit_tx));
 
+    exit_rx.await?;
     Ok(())
 }

src/panorama.rs

@@ -1,37 +0,0 @@
-use std::any::{Any, TypeId};
-use std::collections::HashMap;
-
-use anyhow::Result;
-
-use crate::mailapp::MailApp;
-use crate::app::{AnyApp, App};
-
-pub struct Panorama {
-    apps: Vec<Box<dyn AnyApp>>,
-}
-
-impl Panorama {
-    pub fn new() -> Result<Panorama> {
-        let mut apps = Vec::new();
-
-        let mail = MailApp::new("mzhang.io")?;
-        let mail = Box::new(App::new(mail)) as Box<dyn AnyApp>;
-        apps.push(mail);
-
-        Ok(Panorama {
-            apps,
-        })
-    }
-
-    pub async fn run(&self) -> Result<()> {
-        debug!("starting all apps...");
-
-        loop {
-            self.apps.iter().map(|app| {
-                app.say_hello();
-            });
-        }
-
-        Ok(())
-    }
-}

src/ui.rs

@@ -1,60 +1,51 @@
 use std::io::Write;
-use std::sync::mpsc::Receiver;
+use std::time::Duration;
 
 use anyhow::Result;
+use chrono::Local;
 use crossterm::{
-    event,
-    terminal::{self, EnterAlternateScreen},
+    cursor,
+    event::{self, Event, KeyCode, KeyEvent},
+    style, terminal,
 };
+use tokio::time;
 
-use crate::event::Event;
+use crate::ExitSender;
 
-pub struct Ui<S: Write> {
-    screen: S,
-    evts: Receiver<Event>,
-}
+const FRAME: Duration = Duration::from_millis(16);
 
-impl<S: Write> Ui<S> {
-    pub fn init(mut screen: S, evts: Receiver<Event>) -> Result<Self> {
-        execute!(screen, EnterAlternateScreen)?;
-        terminal::enable_raw_mode()?;
+pub async fn run_ui(mut w: impl Write, exit: ExitSender) -> Result<()> {
+    execute!(w, cursor::Hide, terminal::EnterAlternateScreen)?;
+    terminal::enable_raw_mode()?;
 
-        Ok(Ui { screen, evts })
-    }
+    loop {
+        execute!(w, cursor::MoveTo(0, 0))?;
 
-    pub fn run(mut self) -> Result<()> {
-        use crossterm::event::{Event, KeyCode, KeyEvent};
+        let now = Local::now();
+        println!("shiet {}", now);
 
-        loop {
-            // check for new events
-            use std::sync::mpsc::TryRecvError;
-            match self.evts.try_recv() {
-                Ok(evt) => {}
-                Err(TryRecvError::Empty) => {} // skip
-                Err(TryRecvError::Disconnected) => todo!("impossible?"),
-            }
+        // approx 60fps
+        time::sleep(FRAME).await;
 
-            // read events from the terminal
+        if event::poll(FRAME)? {
             match event::read()? {
                 Event::Key(KeyEvent {
                     code: KeyCode::Char('q'),
                     ..
-                }) => {
-                    break;
-                }
+                }) => break,
                 _ => {}
             }
         }
-
-        Ok(())
     }
-}
 
-impl<S: Write> Drop for Ui<S> {
-    fn drop(&mut self) {
-        use crossterm::{cursor::Show, style::ResetColor, terminal::LeaveAlternateScreen};
+    execute!(
+        w,
+        style::ResetColor,
+        cursor::Show,
+        terminal::LeaveAlternateScreen
+    )?;
+    terminal::disable_raw_mode()?;
 
-        execute!(self.screen, ResetColor, Show, LeaveAlternateScreen,).unwrap();
-        terminal::disable_raw_mode().unwrap();
-    }
+    exit.send(()).expect("fake news?");
+    Ok(())
 }