implement new tab button

src/Entity/Browser/Header.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Yggverse\Yoda\Entity\Browser;
 
 use \Yggverse\Yoda\Entity\Browser\Header\Navigation;
+use \Yggverse\Yoda\Entity\Browser\Header\Tab;
 
 class Header
 {
@@ -14,7 +15,8 @@ class Header
     public \Yggverse\Yoda\Entity\Browser $browser;
 
     // Requirements
-    public \Yggverse\Yoda\Entity\Browser\Header\Navigation $navigation;
+    public Navigation $navigation;
+    public Tab $tab;
 
     // Defaults
     protected bool $_actions = true;
@@ -51,6 +53,15 @@ class Header
             $this->navigation->gtk
         );
 
+        // Init new tab button
+        $this->tab = new Tab(
+            $this
+        );
+
+        $this->gtk->add(
+            $this->tab->gtk
+        );
+
         // Render
         $this->gtk->show();
     }

src/Entity/Browser/Header/Tab.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Entity\Browser\Header;
+
+use \Yggverse\Yoda\Entity\Browser\Header;
+
+class Tab
+{
+    public \GtkButton $gtk;
+
+    // Dependencies
+    public Header $header;
+
+    // Defaults
+    protected string $_label = '+';
+
+    public function __construct(
+        Header $header
+    ) {
+        // Init dependency
+        $this->header = $header;
+
+        // Init GTK
+        $this->gtk = new \GtkButton;
+
+        $this->gtk->set_label(
+            $this->_label
+        );
+
+        // Render
+        $this->gtk->show();
+
+        // Init events
+        $this->gtk->connect(
+            'clicked',
+            function(
+                \GtkButton $entity
+            ) {
+                $this->header->browser->container->tab->append(
+                    null,
+                    false
+                );
+            }
+        );
+    }
+}