create separated widget mod implementation

src/browser/main/mod.rs

@@ -1,34 +1,31 @@
 mod tab;
-
-use std::sync::Arc;
-
-use gtk::prelude::BoxExt;
-use gtk::Box;
+mod widget;
 
 pub struct Main {
-    pub widget: Arc<gtk::Box>,
-    pub tab: Arc<tab::Tab>,
+    widget: widget::Main,
+    tab: tab::Tab,
 }
 
 impl Main {
-    pub fn tab_append(&self) {
-        self.tab.append(true);
-    }
-}
-
+    // Construct
     pub fn new() -> Main {
         // Init components
-    let tab = Arc::new(tab::new());
+        let tab = tab::new();
 
-    // Init widget
-    let widget = Arc::new(
-        Box::builder()
-            .orientation(gtk::Orientation::Vertical)
-            .build(),
-    );
+        // Init struct
+        Self {
+            widget: widget::Main::new(tab.widget.as_ref()), // @TODO
+            tab,
+        }
+    }
 
-    widget.append(tab.widget.as_ref());
+    // Actions
+    pub fn tab_append(&self) {
+        self.tab.append(true);
+    }
 
-    // Init struct
-    Main { widget, tab }
+    // Getters
+    pub fn widget(&self) -> &widget::Main {
+        &self.widget
+    }
 }

src/browser/main/widget.rs

@@ -0,0 +1,23 @@
+use gtk::prelude::BoxExt;
+
+pub struct Main {
+    gtk: gtk::Box,
+}
+
+impl Main {
+    // Construct
+    pub fn new(tab: &gtk::Notebook) -> Main {
+        let gtk = gtk::Box::builder()
+            .orientation(gtk::Orientation::Vertical)
+            .build();
+
+        gtk.append(tab);
+
+        Self { gtk }
+    }
+
+    // Getters
+    pub fn gtk(&self) -> &gtk::Box {
+        &self.gtk
+    }
+}

src/browser/mod.rs

@@ -23,7 +23,7 @@ impl Browser {
         let widget = widget::Browser::new(
             app,
             header::Header::new().widget().gtk(),
-            main::new().widget.as_ref(), // @TODO
+            main::Main::new().widget().gtk(),
             default_width,
             default_height,
         );