Convert to a procedural style (more in keeping with fltk framework)

src/main.rs

@@ -8,15 +8,7 @@ use std::cell::RefCell;
 use std::rc::Rc;
 use std::collections::HashMap;
 
-struct BoardApp {
-    app: app::App,
-    win: window::Window,
-    image: Rc<RefCell<Option<image::SharedImage>>>,
-    board: Rc<RefCell<Board>>,
-}
-
 type Id = usize;
-
 #[derive(Serialize, Deserialize, Debug)]
 struct Node {
     pub x: f32,
@@ -25,13 +17,11 @@ struct Node {
     pub name: String,
     pub edges: Vec<Id>,
 }
-
 #[derive(Serialize, Deserialize, Debug)]
 struct Board {
     nodes: HashMap<Id, Node>,
     image: Option<String>,
 }
-
 impl Board {
     pub fn new() -> Self {
 	let nodes = HashMap::new();
@@ -40,8 +30,11 @@ impl Board {
     }
 }
 
-impl BoardApp {
-    pub fn new() -> Self {
+fn menu_cb(m: &mut impl MenuExt) {
+    todo!();
+}
+
+fn main() {
     let app = app::App::default();
     let mut win = window::Window::default()
 	.with_size(400, 300);
@@ -76,33 +69,10 @@ impl BoardApp {
     });
     
     flex.end();
+
     win.end();
     win.make_resizable(true);
+    win.show();
 
-	BoardApp { app, win, image, board }
-    }
-
-    pub fn show(&mut self) {
-	self.win.show();
-    }
-
-    pub fn run(&mut self) {
-	self.app.run().unwrap();
-    }
-
-    pub fn load_image(&mut self, path: &str) {
-	self.board.borrow_mut().image = Some(path.to_string());
-	self.image.replace(image::SharedImage::load(path).ok());
-    }
-}
-
-fn menu_cb(m: &mut impl MenuExt) {
-    todo!();
-}
-
-fn main() {
-    let mut app = BoardApp::new();
-    app.show();
-    app.load_image("risk.png");
-    app.run();
+    app.run().unwrap();
 }