fix page entity operations

src/Entity/Browser/Container/Tab.php

@@ -75,8 +75,8 @@ class Tab
                 ?\GtkWidget $child,
                 int $page_num
             ) {
-                $this->closePage(
+                $this->reorderPage(
-                    $page_num
+                    null // all
                 );
             }
         );
@@ -88,7 +88,9 @@ class Tab
                 ?\GtkWidget $child,
                 int $page_num
             ) {
-                $this->reorderPage();
+                $this->reorderPage(
+                    null // all
+                );
             }
         );
     }
@@ -168,30 +170,17 @@ class Tab
     }
 
     public function closePage(
-        int $page_num
+        ?int $page_num = null
     ): void
     {
-        // Validate page index exists
+        if ($page = $this->getPage($page_num))
-        if (empty($this->_page[$page_num]))
         {
-            throw new \Exception;
-        }
-
-        // Remove GTK node
             $this->gtk->remove_page(
-            $page_num
+                $this->gtk->page_num(
-        );
+                    $page->gtk
-/*
+                )
-        // Free memory
-        $this->_page[$page_num] = null;
-
-        // Cleanup internal record
-        unset(
-            $this->_page[$page_num]
             );
-*/
+        }
-        // Reorder
-        $this->reorderPage();
     }
 
     public function reorderPage(

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

@@ -34,10 +34,8 @@ class Close
             function()
             {
                 $this->tab->menu->browser->container->tab->closePage(
-                    $this->tab->menu->browser->container->tab->gtk->get_current_page()
+                    null // active
                 );
-
-                // @TODO unset page entity
             }
         );
     }