commit 5053d19d73a53975a4f4745fc43a71fc88b3fa62
Author: fromost <b91456894@gmail.com>
Date:   Sun Oct 5 21:40:49 2025 +0800

    Init Commit

diff --git a/.gitignore b/.gitignore
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index 0000000..5bd05d6
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+
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+version = "0.8.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0894878a5fa3edfd6da3f88c4805f4c8558e2b996227a3d864f47fe11e38282c"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..d147e33
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,17 @@
+[package]
+name = "sus-manager"
+version = "0.1.0"
+description = "An example generated using the hello-world template"
+authors = ["fromost"]
+license = "MIT"
+edition = "2024"
+
+[dependencies]
+color-eyre = "0.6.3"
+ratatui = "0.29.0"
+
+crossterm = { version = "0.29.0", features = ["event-stream"] }
+futures = "0.3.28"
+tokio = { version = "1.47.1", features = ["full"] }
+tokio-util = "0.7.9"
+tokio-utils = "0.1.2"
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..1e56e35
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) fromost
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..1d57fe5
--- /dev/null
+++ b/README.md
@@ -0,0 +1,14 @@
+# sus-manager
+
+This is a [Ratatui] app generated by the [Hello World template].
+
+[Ratatui]: https://ratatui.rs
+[Hello World Template]: https://github.com/ratatui/templates/tree/main/hello-world
+
+## License
+
+Copyright (c) fromost
+
+This project is licensed under the MIT license ([LICENSE] or <http://opensource.org/licenses/MIT>)
+
+[LICENSE]: ./LICENSE
diff --git a/src/app.rs b/src/app.rs
new file mode 100644
index 0000000..a486ddc
--- /dev/null
+++ b/src/app.rs
@@ -0,0 +1,55 @@
+use crate::event::{Event, EventHandler};
+use ratatui::widgets::Block;
+use ratatui::{DefaultTerminal, Frame};
+use std::time::Duration;
+use color_eyre::Result;
+use crossterm::event::KeyCode::Char;
+use ratatui::layout::Alignment;
+
+pub(crate) struct App {
+    running: bool,
+    events: EventHandler,
+}
+
+impl App {
+    pub fn new() -> App {
+        App {
+            running: true,
+            events: EventHandler::new(Duration::from_millis(250)),
+        }
+    }
+
+    pub async fn run(&mut self, mut terminal: DefaultTerminal) -> Result<()> {
+        loop {
+            terminal.draw(|frame| App::render(self, frame))?;
+            let event = self.events.next().await?;
+            self.update(event)?;
+            if !self.running {
+                break Ok(())
+            }
+        }
+    }
+
+    fn update(&mut self, event: Event) -> Result<()> {
+        if let Event::Key(key) = event {
+            match key.code {
+                Char('q') => self.quit(),
+                _ => {}
+            }
+        }
+        Ok(())
+    }
+
+    fn quit(&mut self) {
+        self.running = false;
+    }
+
+    fn render(&mut self, frame: &mut Frame) {
+        frame.render_widget(
+            Block::bordered()
+                .title("Sus Manager")
+                .title_alignment(Alignment::Center),
+            frame.area()
+        );
+    }
+}
diff --git a/src/event.rs b/src/event.rs
new file mode 100644
index 0000000..af3d04f
--- /dev/null
+++ b/src/event.rs
@@ -0,0 +1,62 @@
+use color_eyre::eyre::{Result, eyre};
+use crossterm;
+use crossterm::event;
+use futures::FutureExt;
+use futures::StreamExt;
+use std::time::Duration;
+use tokio::sync::mpsc::UnboundedSender;
+use tokio::task::JoinHandle;
+
+pub(crate) enum Event {
+    Error,
+    Tick,
+    Key(event::KeyEvent),
+}
+
+pub(crate) struct EventHandler {
+    _tx: UnboundedSender<Event>,
+    rx: tokio::sync::mpsc::UnboundedReceiver<Event>,
+    task: Option<JoinHandle<()>>,
+}
+
+impl EventHandler {
+    pub fn new(tick_rate: Duration) -> Self {
+        let mut interval = tokio::time::interval(tick_rate);
+        let mut event_reader = crossterm::event::EventStream::new();
+        let (tx, rx) = tokio::sync::mpsc::unbounded_channel();
+
+        let _tx = tx.clone();
+
+        let task = tokio::spawn(async move {
+            loop {
+                let delay = interval.tick();
+                let crossterm_event = event_reader.next().fuse();
+                tokio::select! {
+                    maybe_event = crossterm_event => {
+                        if let Some(Err(_)) = maybe_event {
+                            tx.send(Event::Error).unwrap()
+                        }
+                        else if let Some(Ok(event)) = maybe_event &&
+                                let event::Event::Key(key) = event &&
+                                key.kind == event::KeyEventKind::Press
+                        {
+                            tx.send(Event::Key(key)).unwrap()
+                        }
+                    }
+                    _ = delay => {
+                        tx.send(Event::Tick).unwrap()
+                    }
+                }
+            }
+        });
+        Self {
+            _tx,
+            rx,
+            task: Some(task),
+        }
+    }
+
+    pub(crate) async fn next(&mut self) -> Result<Event> {
+        self.rx.recv().await.ok_or(eyre!("Unable to get event"))
+    }
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..54de0a2
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,15 @@
+mod app;
+mod event;
+
+use color_eyre::Result;
+use tokio;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    color_eyre::install()?;
+    let terminal = ratatui::init();
+    let mut app = app::App::new();
+    let result = app.run(terminal).await;
+    ratatui::restore();
+    result
+}