Echo Writes Code

main.rs

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use crucible::application::{ ApplicationDelegate, run_application, terminate_application };
use crucible::window::{ WindowBuilder, WindowDelegate, WindowHandle };

use std::cell::{ OnceCell };

#[derive(Debug)]
struct HelloWorldApplicationDelegate {
  window: OnceCell<WindowHandle>,
}

impl HelloWorldApplicationDelegate {
  fn new() -> HelloWorldApplicationDelegate {
    HelloWorldApplicationDelegate {
      window: OnceCell::new(),
    }
  }
}

impl ApplicationDelegate for HelloWorldApplicationDelegate {
  fn launched(&self) {
    let window = WindowBuilder::new(HelloWorldWindowDelegate::new())
      .with_title("Hello World")
      .with_width(1280)
      .with_height(720)
      .build();

    self.window
      .set(window)
      .expect("Should have been able to initialize window");
  }
}

#[derive(Debug)]
struct HelloWorldWindowDelegate;

impl HelloWorldWindowDelegate {
  fn new() -> HelloWorldWindowDelegate {
    HelloWorldWindowDelegate {}
  }
}

impl WindowDelegate for HelloWorldWindowDelegate {
  fn closing(&self) {
    terminate_application();
  }
}

pub fn main() {
  run_application(HelloWorldApplicationDelegate::new());
}