create dynamically allocated reference index

src/browser/main/tab/mod.rs

@@ -1,22 +1,28 @@
 mod label;
 mod page;
 
-use std::sync::Arc;
-
-use gtk::prelude::WidgetExt;
-use gtk::{GestureClick, Notebook};
 use label::Label;
 use page::Page;
 
+use gtk::{prelude::WidgetExt, GestureClick, Notebook};
+use std::{cell::RefCell, collections::HashMap, sync::Arc};
+
 pub struct Tab {
     widget: Notebook,
+    // Dynamically allocated reference index
+    labels: RefCell<HashMap<u32, Arc<Label>>>,
+    pages: RefCell<HashMap<u32, Arc<Page>>>,
 }
 
 impl Tab {
     // Construct
     pub fn new() -> Tab {
         Self {
+            // Init widget
             widget: Notebook::builder().scrollable(true).build(),
+            // Init empty hashmap as no tabs yet
+            labels: RefCell::new(HashMap::new()),
+            pages: RefCell::new(HashMap::new()),
         }
     }
 
@@ -24,7 +30,7 @@ impl Tab {
     pub fn append(&self, is_current_page: bool) -> u32 {
         // Init new tab components
         let label = Arc::new(Label::new(false));
-        let page = Page::new();
+        let page = Arc::new(Page::new());
 
         // Init additional label actions
         let controller = GestureClick::new();
@@ -41,23 +47,37 @@ impl Tab {
 
         label.widget().add_controller(controller);
 
-        // Append new page
+        // Append new Notebook page
         let page_number = self.widget.append_page(page.widget(), Some(label.widget()));
 
+        // Additional setup for Notebook tab created
         self.widget.set_tab_reorderable(page.widget(), true);
 
         if is_current_page {
             self.widget.set_current_page(Some(page_number));
         }
 
+        // Register dynamically created tab components in the HashMap index
+        // @TODO static key on tab reorder
+        // @TODO cleanup on tab remove
+        self.labels
+            .borrow_mut()
+            .insert(page_number.try_into().unwrap(), label);
+
+        self.pages
+            .borrow_mut()
+            .insert(page_number.try_into().unwrap(), page);
+
         // Result
         page_number
     }
 
+    // Close active tab
     pub fn close(&self) {
         self.widget.remove_page(self.widget.current_page());
     }
 
+    // Close all tabs
     pub fn close_all(&self) {
         // @TODO skip pinned or make confirmation alert (GTK>=4.10)
         while let Some(page_number) = self.widget.current_page() {
@@ -65,8 +85,15 @@ impl Tab {
         }
     }
 
-    pub fn pin(&self) -> bool {
-        todo!()
+    // Toggle pin status for active tab
+    pub fn pin(&self) {
+        if let Some(page_number) = self.widget.current_page() {
+            let label = self.labels.borrow();
+            label
+                .get(&page_number)
+                .unwrap()
+                .pin(!label.get(&page_number).unwrap().is_pinned()); // toggle
+        }
     }
 
     // Getters