Feat: continue refactoring

src/state/ui.rs

@@ -39,7 +39,7 @@ pub struct UiState {
     pub help_search_query: String,
     pub dict_focus: DictFocus,
     pub dict_category: usize,
-    pub dict_scroll: usize,
+    pub dict_scrolls: Vec<usize>,
     pub dict_search_query: String,
     pub dict_search_active: bool,
     pub show_title: bool,
@@ -67,7 +67,7 @@ impl Default for UiState {
             help_search_query: String::new(),
             dict_focus: DictFocus::default(),
             dict_category: 0,
-            dict_scroll: 0,
+            dict_scrolls: vec![0; crate::views::dict_view::category_count()],
             dict_search_query: String::new(),
             dict_search_active: false,
             show_title: true,
@@ -91,6 +91,14 @@ impl UiState {
         &mut self.help_scrolls[self.help_topic]
     }
 
+    pub fn dict_scroll(&self) -> usize {
+        self.dict_scrolls[self.dict_category]
+    }
+
+    pub fn dict_scroll_mut(&mut self) -> &mut usize {
+        &mut self.dict_scrolls[self.dict_category]
+    }
+
     pub fn flash(&mut self, msg: &str, duration_ms: u64, kind: FlashKind) {
         self.status_message = Some(msg.to_string());
         self.flash_until = Some(Instant::now() + Duration::from_millis(duration_ms));