move new tab button into the tabs start widget

src/app/browser/window/header/bar.rs

@@ -1,10 +1,8 @@
-mod append;
 mod control;
 mod menu;
 mod tab;
 mod widget;
 
-use append::Append;
 use control::Control;
 use menu::Menu;
 use tab::Tab;
@@ -36,8 +34,7 @@ impl Bar {
     ) -> Arc<Self> {
         // Init components
         let control = Control::new_arc();
-        let tab = Tab::new_arc(view);
-        let append = Append::new_arc(action_tab_append.clone());
+        let tab = Tab::new_arc(action_tab_append.clone(), view);
         let menu = Menu::new_arc(
             action_tool_debug,
             action_tool_profile,
@@ -54,12 +51,7 @@ impl Bar {
 
         // Build result
         Arc::new(Self {
-            widget: Widget::new_arc(
-                control.gobject(),
-                append.gobject(),
-                menu.gobject(),
-                tab.gobject(),
-            ),
+            widget: Widget::new_arc(control.gobject(), menu.gobject(), tab.gobject()),
         })
     }
 

src/app/browser/window/header/bar/tab.rs

@@ -1,8 +1,11 @@
+mod append;
 mod widget;
 
+use append::Append;
 use widget::Widget;
 
 use adw::{TabBar, TabView};
+use gtk::gio::SimpleAction;
 use std::sync::Arc;
 
 pub struct Tab {
@@ -11,9 +14,9 @@ pub struct Tab {
 
 impl Tab {
     // Construct
-    pub fn new_arc(view: &TabView) -> Arc<Self> {
+    pub fn new_arc(action_tab_append: SimpleAction, view: &TabView) -> Arc<Self> {
         Arc::new(Self {
-            widget: Widget::new_arc(view),
+            widget: Widget::new_arc(view, Append::new_arc(action_tab_append).gobject()),
         })
     }
 

src/app/browser/window/header/bar/tab/widget.rs

@@ -1,4 +1,5 @@
 use adw::{TabBar, TabView};
+use gtk::prelude::IsA;
 use std::sync::Arc;
 
 pub struct Widget {
@@ -7,11 +8,12 @@ pub struct Widget {
 
 impl Widget {
     // Construct
-    pub fn new_arc(view: &TabView) -> Arc<Self> {
+    pub fn new_arc(view: &TabView, start_action_widget: &impl IsA<gtk::Widget>) -> Arc<Self> {
         Arc::new(Self {
             gobject: TabBar::builder()
                 .autohide(false)
                 .expand_tabs(false)
+                .start_action_widget(start_action_widget)
                 .view(&view)
                 .build(),
         })

src/app/browser/window/header/bar/widget.rs

@@ -1,5 +1,5 @@
 use adw::TabBar;
-use gtk::{prelude::BoxExt, Box, Button, MenuButton, Orientation, WindowControls};
+use gtk::{prelude::BoxExt, Box, MenuButton, Orientation, WindowControls};
 use std::sync::Arc;
 
 pub struct Widget {
@@ -8,19 +8,13 @@ pub struct Widget {
 
 impl Widget {
     // Construct
-    pub fn new_arc(
-        control: &WindowControls,
-        append: &Button,
-        menu: &MenuButton,
-        tab: &TabBar,
-    ) -> Arc<Self> {
+    pub fn new_arc(control: &WindowControls, menu: &MenuButton, tab: &TabBar) -> Arc<Self> {
         let gobject = Box::builder()
             .orientation(Orientation::Horizontal)
             .spacing(8)
             .build();
 
         gobject.append(tab);
-        gobject.append(append);
         gobject.append(menu);
         gobject.append(control);