define browser entities as structs

src/browser/main/mod.rs

@@ -1,14 +1,34 @@
 mod tab;
 
+use std::sync::Arc;
+
 use gtk::prelude::BoxExt;
 use gtk::Box;
 
-pub fn new() -> Box {
-    let main = Box::builder()
-        .orientation(gtk::Orientation::Vertical)
-        .build();
-
-    main.append(&tab::new());
-
-    main
+pub struct Main {
+    pub widget: Arc<gtk::Box>,
+    pub tab: Arc<tab::Tab>,
+}
+
+impl Main {
+    pub fn tab_append(&self) {
+        self.tab.append(true);
+    }
+}
+
+pub fn new() -> Main {
+    // Init components
+    let tab = Arc::new(tab::new());
+
+    // Init widget
+    let widget = Arc::new(
+        Box::builder()
+            .orientation(gtk::Orientation::Vertical)
+            .build(),
+    );
+
+    widget.append(tab.widget.as_ref());
+
+    // Init struct
+    Main { widget, tab }
 }

src/browser/main/tab/mod.rs

@@ -1,27 +1,31 @@
 mod label;
 mod page;
 
+use std::sync::Arc;
+
 use gtk::Notebook;
-
-pub fn new() -> Notebook {
-    let tab = Notebook::builder().scrollable(true).build();
-
-    // Add test tab @TODO restore from session
-    append(&tab, true);
-
-    tab
+pub struct Tab {
+    pub widget: Arc<gtk::Notebook>,
 }
 
-pub fn append(tab: &Notebook, current: bool) -> u32 {
-    let page = page::new();
+impl Tab {
+    pub fn append(&self, current: bool) -> u32 {
+        let page = page::new();
 
-    let page_number = tab.append_page(&page, Some(&label::new()));
+        let page_number = self.widget.append_page(&page, Some(&label::new()));
 
-    tab.set_tab_reorderable(&page, true);
+        self.widget.set_tab_reorderable(&page, true);
 
-    if current {
-        tab.set_current_page(Some(page_number));
+        if current {
+            self.widget.set_current_page(Some(page_number));
+        }
+
+        page_number
     }
-
-    page_number
+}
+
+pub fn new() -> Tab {
+    let widget = Arc::new(Notebook::builder().scrollable(true).build());
+
+    Tab { widget }
 }

src/browser/mod.rs

@@ -1,6 +1,8 @@
 mod header;
 mod main;
 
+use std::sync::Arc;
+
 use gtk::{
     gio::ActionEntry,
     prelude::{ActionMapExtManual, GtkWindowExt},
@@ -8,32 +10,50 @@ use gtk::{
 };
 
 use sqlite::Connection;
+pub struct Browser {
+    pub widget: Arc<ApplicationWindow>,
+    pub main: Arc<main::Main>,
+}
 
-pub fn new(app: &Application, db: &Connection, width: i32, height: i32) -> ApplicationWindow {
-    // Init browser window
-    let browser = ApplicationWindow::builder()
-        .default_width(width)
-        .default_height(height)
-        .application(app)
-        .titlebar(&header::new())
-        .child(&main::new())
-        .build();
+pub fn new(app: &Application, db: &Connection, width: i32, height: i32) -> Browser {
+    // Init components
+    let main = Arc::new(main::new());
+
+    // Init widget
+    let widget = Arc::new(
+        ApplicationWindow::builder()
+            .default_width(width)
+            .default_height(height)
+            .application(app)
+            .titlebar(&header::new())
+            .child(main.widget.as_ref())
+            .build(),
+    );
 
     // Init actions
+    let action_tab_append = ActionEntry::builder("tab_append")
+        .activate({
+            let main = main.clone();
+            move |_, _, _| {
+                main.tab_append();
+            }
+        })
+        .build();
+
     let action_debug = ActionEntry::builder("debug")
-        .activate(|browser: &ApplicationWindow, _, _| {
-            browser.emit_enable_debugging(true);
+        .activate(|this: &ApplicationWindow, _, _| {
+            this.emit_enable_debugging(true);
         })
         .build();
 
     let action_quit = ActionEntry::builder("quit")
-        .activate(|browser: &ApplicationWindow, _, _| {
-            browser.close();
+        .activate(|this: &ApplicationWindow, _, _| {
+            this.close();
         })
         .build();
 
-    browser.add_action_entries([action_debug, action_quit]);
+    widget.add_action_entries([action_tab_append, action_debug, action_quit]);
 
     // Done
-    browser
+    Browser { widget, main }
 }

src/main.rs

@@ -40,7 +40,7 @@ fn main() -> glib::ExitCode {
         };
 
         move |this| {
-            browser::new(&this, &db, 640, 480).present();
+            browser::new(&this, &db, 640, 480).widget.present();
         }
     });