Removed obsolete code

src/main.rs

@@ -87,10 +87,6 @@ pub struct App {
     /// MPSC sender to cancel the transmit thread
     #[serde(skip)]
     transmit_thread_sender: Option<std::sync::mpsc::Sender<bool>>,
-
-    /// Frame count, incremented on each update() call
-    #[serde(skip)]
-    frame_count: u64,
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -181,7 +177,6 @@ impl Default for App {
             error_message: None,
             message_channel: std::sync::mpsc::channel(),
             transmit_thread_sender: None,
-            frame_count: 0,
         }
     }
 }
@@ -201,7 +196,7 @@ impl epi::App for App {
     fn setup(
         &mut self,
         _ctx: &egui::CtxRef,
-        _frame: &epi::Frame,
+        frame: &epi::Frame,
         storage: Option<&dyn epi::Storage>,
     ) {
         if let Some(storage) = storage {
@@ -214,26 +209,19 @@ impl epi::App for App {
             message_sender.send(Message::RescanDevices).ok();
             std::thread::sleep(std::time::Duration::from_millis(250));
         });
+
+        frame.set_window_size(WINDOW_SIZE);
     }
 
     /// Called each time the UI needs repainting, which may be many times per second.
-    fn update(&mut self, ctx: &egui::CtxRef, frame: &epi::Frame) {
+    fn update(&mut self, ctx: &egui::CtxRef, _frame: &epi::Frame) {
         // Continuous run mode is required for message processing
         ctx.request_repaint();
 
         while let Ok(message) = self.message_channel.1.try_recv() {
             self.process_message(&message);
         }
 
-        if self.frame_count == 0 {
-            // Set window size on first frame
-            frame.set_window_size(WINDOW_SIZE);
-        } else if self.frame_count == 1 {
-            // Scan MIDI devices on second frame instead of first
-            // This makes the GUI show up faster
-            self.message_channel.0.send(Message::RescanDevices).ok();
-        }
-
         egui::CentralPanel::default().show(ctx, |ui| {
             ui.add_space(10.0);
 
@@ -408,8 +396,6 @@ impl epi::App for App {
                 });
             });
         });
-
-        self.frame_count += 1;
     }
 }