use gettext cover for defaults

src/Abstract/Entity/Button.php

@@ -20,7 +20,7 @@ abstract class Button
         );
 
         $this->gtk->set_label(
-            $this->_label
+            _($this->_label)
         );
 
         // Render

src/Abstract/Entity/Entry.php

@@ -19,7 +19,7 @@ abstract class Entry
         $this->gtk = new \GtkEntry;
 
         $this->gtk->set_placeholder_text(
-            $this->_placeholder
+            _($this->_placeholder)
         );
 
         $this->gtk->set_max_length(
@@ -27,7 +27,7 @@ abstract class Entry
         );
 
         $this->gtk->set_text(
-            $this->_value
+            _($this->_value)
         );
 
         $this->gtk->set_visibility(

src/Entity/Browser/Container/Page/Title.php

@@ -19,9 +19,9 @@ class Title
     // Defaults
     private int $_ellipsize = 3;
     private int $_length = 16;
-    private ?string $_value = 'New page';
+    private string $_value = 'New page';
-    private ?string $_subtitle = null;
+    private string $_subtitle = '';
-    private ?string $_tooltip = null;
+    private string $_tooltip = '';
 
     public function __construct(
         Page $page,
@@ -68,7 +68,7 @@ class Title
     ): void
     {
         $this->gtk->set_text(
-            is_null($value) ? $this->_value : trim(
+            is_null($value) ? _($this->_value) : trim(
                 $value
             )
         );
@@ -78,7 +78,7 @@ class Title
         ?string $subtitle = null
     ): void
     {
-        $this->subtitle = is_null($subtitle) ? $this->_subtitle : strtolower(
+        $this->subtitle = is_null($subtitle) ? _($this->_subtitle) : strtolower(
             trim(
                 $subtitle
             )
@@ -90,7 +90,7 @@ class Title
     ): void
     {
         $this->gtk->set_tooltip_text(
-            is_null($tooltip) ? $this->_tooltip : trim(
+            is_null($tooltip) ? _($this->_tooltip) : trim(
                 $tooltip
             )
         );

src/Entity/Browser/Header/Navigation.php

@@ -30,7 +30,7 @@ class Navigation
         $this->gtk = new \GtkMenuButton;
 
         $this->gtk->set_tooltip_text(
-            $this->_tooltip
+            _($this->_tooltip)
         );
 
         // Init menu

src/Entity/Browser/Header/Tab.php

@@ -27,11 +27,11 @@ class Tab
         $this->gtk = new \GtkButton;
 
         $this->gtk->set_label(
-            $this->_label
+            _($this->_label)
         );
 
         $this->gtk->set_tooltip_text(
-            $this->_tooltip
+            _($this->_tooltip)
         );
 
         // Render

src/Entity/Browser/Menu/Tab/Add.php

@@ -25,11 +25,11 @@ class Add
 
         // Init menu item
         $this->gtk = \GtkMenuItem::new_with_label(
-            $this->_label
+            _($this->_label)
         );
 
         $this->gtk->set_tooltip_text(
-            $this->_tooltip
+            _($this->_tooltip)
         );
 
         // Render

src/Entity/Browser/Menu/Tab/Close.php

@@ -25,11 +25,11 @@ class Close
 
         // Init menu item
         $this->gtk = \GtkMenuItem::new_with_label(
-            $this->_label
+            _($this->_label)
         );
 
         $this->gtk->set_tooltip_text(
-            $this->_tooltip
+            _($this->_tooltip)
         );
 
         // Render