init multi-window implementation

src/Entity/Browser/Container/Tab/Page/Navbar/Request.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Entity\Browser\Container\Tab\Page\Navbar;
+
+class Request extends \Yggverse\Yoda\Abstract\Entity\Browser\Container\Tab\Page\Navbar\Entry
+{
+    private string $_placeholder = 'URL or search term...';
+
+    protected function _onActivate(
+        \GtkEntry $entry
+    ): void
+    {
+        $this->navbar->page->content->update();
+    }
+
+    protected function _onKeyRelease(
+        \GtkEntry $entry,
+        \GdkEvent $event
+    ): void
+    {
+        $this->navbar->refresh();
+    }
+}