building up core and terminal

Cargo.lock

@@ -2,6 +2,248 @@
 # It is not intended for manual editing.
 version = 3
 
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 [[package]]
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Cargo.toml

@@ -3,6 +3,5 @@ name = "lambda"
 version = "0.1.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
+crossterm = "0.25"

src/editor.rs

@@ -0,0 +1,31 @@
+enum Mode {
+    Normal,
+    Insert,
+    Select
+}
+
+pub struct Buffer<'a> {
+    pub data: Vec<String>,
+    pub name: &'a str,
+    pub path: &'a str,
+}
+
+pub struct Editor<'a> {
+    pub buffer: Buffer<'a>,
+    pub cursor: [i32; 2],
+    mode: Mode,
+}
+
+impl<'a> Editor<'a> {
+    pub fn new() -> Self {
+        Editor {
+            buffer: Buffer {
+                data: Vec::from([String::from("Hello"), String::from("World")]),
+                name: "[No Name]",
+                path: "/home/spy",
+            },
+            cursor: [0, 0],
+            mode: Mode::Normal,
+        }
+    }
+}

src/main.rs

@@ -1,33 +1,10 @@
-enum Mode {
+mod terminal;
-    Normal,
+mod editor;
-    Insert,
-    Select
-}
-
-struct Buffer<'a> {
-    data: Vec<String>,
-    name: &'a str,
-    path: &'a str,
-}
-
-struct Editor<'a> {
-    buffer: Buffer<'a>,
-    cursor: [i32; 2],
-    mode: Mode,
-}
 
 fn main() {
-    let bufffer = Buffer {
+    let lambda = editor::Editor::new();
-        data: Vec::from([String::from("Hello"), String::from("World")]),
+    println!("{}", lambda.buffer.data[0]);
-        name: "[No Name]",
+    let term = terminal::Terminal::new();
-        path: "/home/spy",
+    println!("{:?}", term);
-    };
+    terminal::Terminal::exit();
-
-    let editor = Editor {
-        buffer: bufffer,
-        cursor: [0, 0],
-        mode: Mode::Normal,
-    };
-
-    println!("{}", editor.buffer.data[0])
 }

src/terminal.rs

@@ -0,0 +1,39 @@
+use crossterm::terminal;
+use crossterm::{execute, ErrorKind};
+use std::io::{stdout, Write};
+
+#[derive(Debug)]
+pub struct Size {
+    pub width: usize,
+    pub height: usize,
+}
+
+#[derive(Debug)]
+pub struct Terminal {
+    pub size: Size,
+}
+
+impl Terminal {
+    pub fn new() -> Result<Self, ErrorKind> {
+        let size = terminal::size()?;
+        Terminal::enter();
+        Ok(Self {
+            size: Size {
+                width: size.0 as usize,
+                height: size.1 as usize,
+            },
+        })
+    }
+
+    pub fn enter() {
+        // Enter the current terminal
+        terminal::enable_raw_mode().unwrap();
+        execute!(stdout(), terminal::EnterAlternateScreen).unwrap();
+    }
+
+    pub fn exit() {
+        // Exit the current terminal
+        execute!(stdout(), terminal::LeaveAlternateScreen).unwrap();
+        terminal::disable_raw_mode().unwrap();
+    }
+}