ui.rs

trait Component {
  fn draw(&self, ctx: &mut Context) -> ();
  fn get_children(&self) -> Vec<Component>;
}

struct Label {
  children: Vec<Component>,
  text: graphics::Text,
  color: graphics::Color,
  position: graphics::Point,
  rotation: f32
}

impl Component for Label {
  fn draw(&self, ctx: &mut Context) -> () {
    graphics::set_color(ctx, self.color)?;
    graphics::draw(ctx, &self.text, self.position, self.rotation);

    for child in self.children {
      child.draw(ctx)
    }
  }

  fn set_color(&mut self, color: Color) -> () {
    self.color = color;
  }

  fn set_text(&mut self, text: &str, font: &Font) -> () {
    self.text = graphics::Text::new(ctx, text, font).unwrap();
  }

  fn get_children(&self) -> Vec<Component> {
    self.children
  }
}