Implement cancel search

src/tui/app/app.rs

@@ -111,6 +111,7 @@ pub trait IAppInteractSearch {
     fn search_next(&mut self);
     fn step_back(&mut self);
     fn finish_search(&mut self);
+    fn cancel_search(&mut self);
 }
 
 pub trait IAppInteractError {
@@ -301,7 +302,6 @@ impl<MH: IMusicHoard> IAppInteractReloadPrivate for App<MH> {
     }
 }
 
-// FIXME: Also add a `cancel_search` which returns to the previous selection.
 impl<MH: IMusicHoard> IAppInteractSearch for App<MH> {
     fn append_character(&mut self, ch: char) {
         let collection = self.music_hoard.get_collection();
@@ -339,6 +339,13 @@ impl<MH: IMusicHoard> IAppInteractSearch for App<MH> {
         assert!(self.state.is_search());
         self.state = AppState::Browse(());
     }
+
+    fn cancel_search(&mut self) {
+        assert!(self.state.is_search());
+        let collection = self.music_hoard.get_collection();
+        self.selection.select_artist(collection, self.orig);
+        self.state = AppState::Browse(());
+    }
 }
 
 impl<MH: IMusicHoard> IAppInteractError for App<MH> {

src/tui/handler.rs

@@ -151,6 +151,9 @@ impl<APP: IAppInteract> IEventHandlerPrivate<APP> for EventHandler {
                 KeyCode::Char('s') | KeyCode::Char('S') => {
                     app.search_next();
                 },
+                KeyCode::Char('g') | KeyCode::Char('G') => {
+                    app.cancel_search();
+                },
                 _ => {}
             }
             return;

src/tui/ui.rs

@@ -348,6 +348,7 @@ impl<'a, 'b> TrackState<'a, 'b> {
 
 struct Minibuffer<'a> {
     paragraphs: Vec<Paragraph<'a>>,
+    // FIXME: make this an option
     columns: u16,
 }
 
@@ -376,8 +377,12 @@ impl Minibuffer<'_> {
                 columns,
             },
             AppState::Search(ref s) => Minibuffer {
-                paragraphs: vec![Paragraph::new(format!("I-search: {s}"))],
-                columns: 1,
+                paragraphs: vec![
+                    Paragraph::new(format!("I-search: {s}")),
+                    Paragraph::new(format!("ctrl+s: search next")).alignment(Alignment::Center),
+                    Paragraph::new(format!("ctrl+g: cancel search")).alignment(Alignment::Center),
+                ],
+                columns,
             },
             AppState::Error(_) => Minibuffer {
                 paragraphs: vec![Paragraph::new(