Add basic text editor

Cargo.lock

@@ -431,6 +431,7 @@ dependencies = [
  "tracing",
  "tracing-error",
  "tracing-subscriber",
+ "tui-textarea",
 ]
 
 [[package]]
@@ -1924,6 +1925,18 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
+[[package]]
+name = "tui-textarea"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3e38ced1f941a9cfc923fbf2fe6858443c42cc5220bfd35bdd3648371e7bd8e"
+dependencies = [
+ "crossterm",
+ "ratatui",
+ "regex",
+ "unicode-width",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.14"

Cargo.toml

@@ -22,3 +22,4 @@ tokio-util = "0.7.10"
 tracing = "0.1.40"
 tracing-error = "0.2.0"
 tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
+tui-textarea = { version = "0.4.0", features = ["search"] }

src/app.rs

@@ -1,19 +1,26 @@
-use ratatui::{widgets::Paragraph, Frame};
+use ratatui::{style::Style, Frame};
 use tokio::sync::mpsc::{UnboundedReceiver, UnboundedSender};
+use tui_textarea::TextArea;
 
 use crate::{Action, Event, Result, Tui};
 
 pub struct App {
     action_rx: UnboundedReceiver<Action>,
     action_tx: UnboundedSender<Action>,
+    source_buffers: Vec<String>,
     should_quit: bool,
 }
 
 impl App {
-    pub fn new(action_rx: UnboundedReceiver<Action>, action_tx: UnboundedSender<Action>) -> Self {
+    pub fn new(
+        action_rx: UnboundedReceiver<Action>,
+        action_tx: UnboundedSender<Action>,
+        source_buffers: Vec<String>,
+    ) -> Self {
         App {
             action_rx,
             action_tx,
+            source_buffers,
             should_quit: false,
         }
     }
@@ -66,7 +73,13 @@ impl App {
     }
 
     pub fn ui(&mut self, frame: &mut Frame) {
-        frame.render_widget(Paragraph::new("app"), frame.size())
+        let first_buffer = self.source_buffers.first().unwrap();
+        let mut textarea =
+            TextArea::new(first_buffer.lines().map(|line| line.to_string()).collect());
+
+        textarea.set_line_number_style(Style::default());
+
+        frame.render_widget(textarea.widget(), frame.size())
     }
 
     fn handle_event(&self, event: Event) -> Result<Option<Action>> {

src/main.rs

@@ -4,7 +4,11 @@ use tokio::sync::mpsc;
 #[tokio::main]
 async fn main() {
     let (action_tx, action_rx) = mpsc::unbounded_channel();
-    let mut app = App::new(action_rx, action_tx);
+    let mut app = App::new(
+        action_rx,
+        action_tx,
+        vec!["(output 'Hello, world!')".to_string()],
+    );
     let run_result = app.run().await;
 
     if let Err(report) = run_result {