обновление

src/library.rs

@@ -1,3 +1,5 @@
+use ratatui::widgets::ListState;
+
 use crate::track::Track;
 
 #[derive(Clone)]
@@ -25,6 +27,10 @@ pub struct Library {
     pub sort_mode: SortMode,
     /// Активный фильтр поиска (пусто — без фильтра)
     pub filter: String,
+    /// Состояние скролла левой панели (сохраняется между кадрами)
+    pub left_state: ListState,
+    /// Состояние скролла правой панели
+    pub right_state: ListState,
 }
 
 impl Library {
@@ -91,13 +97,25 @@ impl Library {
                     });
                 }
 
+                // Вычисляем right_selected ДО перемещения artists
+                let right_selected = first_track_row_in(artists.first());
+
+                let mut left_state = ListState::default();
+                let mut right_state = ListState::default();
+                if !artists.is_empty() {
+                    left_state.select(Some(0));
+                }
+                right_state.select(Some(right_selected));
+
                 Library {
                     all_tracks,
                     artists,
                     artist_selected: 0,
-                    right_selected: 0,
+                    right_selected,
                     sort_mode: mode,
                     filter,
+                    left_state,
+                    right_state,
                 }
             }
 
@@ -120,13 +138,22 @@ impl Library {
                     rows,
                 }];
 
+                let right_selected = first_track_row_in(artists.first());
+
+                let mut left_state = ListState::default();
+                left_state.select(Some(0));
+                let mut right_state = ListState::default();
+                right_state.select(Some(right_selected));
+
                 Library {
                     all_tracks,
                     artists,
                     artist_selected: 0,
-                    right_selected: 0,
+                    right_selected,
                     sort_mode: mode,
                     filter,
+                    left_state,
+                    right_state,
                 }
             }
         }
@@ -163,6 +190,10 @@ impl Library {
         }
         self.artist_selected = new as usize;
         self.right_selected = self.first_track_row();
+
+        // Синхронизируем ListState — иначе ratatui не знает о смене позиции
+        self.left_state.select(Some(self.artist_selected));
+        self.right_state.select(Some(self.right_selected));
     }
 
     pub fn right_move(&mut self, delta: isize) {
@@ -191,6 +222,7 @@ impl Library {
         }
 
         self.right_selected = track_rows[new_pos as usize];
+        self.right_state.select(Some(self.right_selected));
     }
 
     pub fn right_goto_start(&mut self) {
@@ -215,8 +247,20 @@ impl Library {
             }) {
                 self.artist_selected = ai;
                 self.right_selected = pos;
+                self.left_state.select(Some(ai));
+                self.right_state.select(Some(pos));
                 return;
             }
         }
     }
+}
+
+fn first_track_row_in(artist: Option<&ArtistView>) -> usize {
+    artist
+        .and_then(|a| {
+            a.rows
+                .iter()
+                .position(|r| matches!(r, RightRow::Track { .. }))
+        })
+        .unwrap_or(0)
 }