Feat: collapsible help

src/state/ui.rs

@@ -57,6 +57,10 @@ pub struct UiState {
     pub dict_scrolls: Vec<usize>,
     pub dict_search_query: String,
     pub dict_search_active: bool,
+    pub help_collapsed: Vec<bool>,
+    pub help_on_section: Option<usize>,
+    pub dict_collapsed: Vec<bool>,
+    pub dict_on_section: Option<usize>,
     pub show_title: bool,
     pub runtime_highlight: bool,
     pub show_completion: bool,
@@ -86,12 +90,20 @@ impl Default for UiState {
             help_search_active: false,
             help_search_query: String::new(),
             help_focused_block: None,
-            help_parsed: RefCell::new((0..crate::model::docs::topic_count()).map(|_| None).collect()),
+            help_parsed: RefCell::new(
+                (0..crate::model::docs::topic_count())
+                    .map(|_| None)
+                    .collect(),
+            ),
             dict_focus: DictFocus::default(),
             dict_category: 0,
             dict_scrolls: vec![0; crate::model::categories::category_count()],
             dict_search_query: String::new(),
             dict_search_active: false,
+            help_collapsed: vec![false; crate::model::docs::section_count()],
+            help_on_section: None,
+            dict_collapsed: vec![false; crate::model::categories::section_count()],
+            dict_on_section: None,
             show_title: true,
             runtime_highlight: false,
             show_completion: true,
@@ -167,6 +179,9 @@ impl UiState {
     }
 
     pub fn invalidate_help_cache(&self) {
-        self.help_parsed.borrow_mut().iter_mut().for_each(|slot| *slot = None);
+        self.help_parsed
+            .borrow_mut()
+            .iter_mut()
+            .for_each(|slot| *slot = None);
     }
 }