init container constructor

src/app/browser.cpp

@@ -20,3 +20,10 @@ Browser::Header::Header()
         SHOW_TITLE_BUTTONS
     );
 }
+
+Browser::Container::Container()
+{
+    set_scrollable(
+        SCROLLABLE
+    );
+}

src/app/browser.h

@@ -28,7 +28,12 @@ namespace app
 
         class Container : Gtk::Notebook
         {
+            public:
+
+                const bool SCROLLABLE = true;
+                const bool REORDERABLE = true;
 
+                Container();
         };
     };
 }