Only redraw when dirty

src/main.rs

@@ -66,7 +66,7 @@ impl Graphics {
         let width = 2000;
         let height = 2000;
         let buffer = vec![0u32; width * height];
-        
+
         let mut colors = Colors::default();
         Self::load_colors(&mut colors);
 
@@ -155,10 +155,6 @@ impl Graphics {
             (size.width as usize, size.height as usize)
         };
 
-        if width != self.width || height != self.height {
-            self.resize(width, height);
-        }
-
         let mut buffer = vec![0u32; (width * height) as usize];
         let content = term.renderable_content();
 
@@ -361,6 +357,7 @@ impl App {
         while let Ok(event) = self.term_events.try_recv() {
             match event {
                 TermEvent::Exit => self.should_quit = true,
+                TermEvent::Wakeup => self.redraw(),
                 _ => {}
             }
         }
@@ -435,7 +432,7 @@ impl App {
 
         self.term_channel.send(TermMsg::Resize(term_size)).unwrap();
 
-        self.graphics.resize(width as usize, height as usize);
+        self.redraw();
     }
 
     pub fn window_id(&self) -> WindowId {
@@ -449,23 +446,15 @@ fn main() {
     let event_loop = EventLoop::new();
     let window = WindowBuilder::new().build(&event_loop).unwrap();
     let mut app = App::new(window);
-    let mut counter = 0;
 
     event_loop.run(move |event, _, control_flow| {
-        *control_flow = ControlFlow::Wait;
+        *control_flow = ControlFlow::Poll;
+
+        app.update();
 
         match event {
             Event::RedrawRequested(window_id) if window_id == app.window_id() => {
-                counter += 1;
-
-                if counter > 30 {
-                    counter = 0;
-                    app.redraw();
-                }
-            }
-            Event::MainEventsCleared => {
-                app.graphics_context.window().request_redraw();
-                app.update();
+                app.redraw();
             }
             Event::WindowEvent { event, window_id } if window_id == app.window_id() => {
                 match event {