Implemented as desired

src/tui/app/machine/fetch.rs

@@ -14,8 +14,11 @@ use musichoard::collection::{
 
 use crate::tui::{
     app::{
-        machine::{App, AppInner, AppMachine}, AppMatchesInfo, AppPublic, AppState, IAppEventFetch, IAppInteractFetch
+        machine::{App, AppInner, AppMachine},
-    }, event::{Event, EventSender}, lib::interface::musicbrainz::{Error as MbError, IMusicBrainz}
+        AppMatchesInfo, AppPublic, AppState, IAppEventFetch, IAppInteractFetch,
+    },
+    event::{Event, EventSender},
+    lib::interface::musicbrainz::{Error as MbError, IMusicBrainz},
 };
 
 use super::matches::AppMatches;
@@ -70,7 +73,7 @@ impl AppMachine<AppFetch> {
                     AppMachine::error(inner, format!("fetch failed: {fetch_err}")).into()
                 }
             },
-            Err(try_recv_err) => match try_recv_err {
+            Err(recv_err) => match recv_err {
                 TryRecvError::Disconnected => {
                     if first {
                         AppMachine::matches(inner, AppMatches::empty(fetch)).into()
@@ -102,10 +105,6 @@ impl<'a> From<&'a mut AppMachine<AppFetch>> for AppPublic<'a> {
 impl IAppInteractFetch for AppMachine<AppFetch> {
     type APP = App;
 
-    fn proceed(self) -> Self::APP {
-        self.into()
-    }
-
     fn abort(self) -> Self::APP {
         AppMachine::browse(self.inner).into()
     }

src/tui/app/mod.rs

@@ -92,7 +92,6 @@ pub trait IAppInteractSearch {
 pub trait IAppInteractFetch {
     type APP: IAppInteract;
 
-    fn proceed(self) -> Self::APP;
     fn abort(self) -> Self::APP;
 
     fn no_op(self) -> Self::APP;

src/tui/ui/mod.rs

@@ -131,6 +131,17 @@ impl Ui {
         UiWidget::render_overlay_widget("Reload", reload_text, area, false, frame);
     }
 
+    fn render_fetch_overlay(frame: &mut Frame) {
+        let area = OverlayBuilder::default().build(frame.size());
+        UiWidget::render_overlay_widget(
+            "Fetching",
+            Paragraph::new("   -- fetching --"),
+            area,
+            false,
+            frame,
+        )
+    }
+
     fn render_matches_overlay(
         matches: Option<&AppMatchesInfo>,
         state: &mut WidgetState,
@@ -162,11 +173,12 @@ impl IUi for Ui {
 
         Self::render_browse_frame(collection, selection, &state, frame);
         match state {
-            AppState::Info(_) => Self::render_info_overlay(collection, selection, frame),
+            AppState::Info(()) => Self::render_info_overlay(collection, selection, frame),
+            AppState::Reload(()) => Self::render_reload_overlay(frame),
+            AppState::Fetch(()) => Self::render_fetch_overlay(frame),
             AppState::Matches(public) => {
                 Self::render_matches_overlay(public.matches, public.state, frame)
             }
-            AppState::Reload(_) => Self::render_reload_overlay(frame),
             AppState::Error(msg) => Self::render_error_overlay("Error", msg, frame),
             AppState::Critical(msg) => Self::render_error_overlay("Critical Error", msg, frame),
             _ => {}