init tab data navbar

Makefile

@@ -13,6 +13,7 @@ SRCS =  src/main.cpp\
 		src/app/browser/main.cpp\
 		src/app/browser/main/tab.cpp\
 		src/app/browser/main/tab/data.cpp\
+		src/app/browser/main/tab/data/navbar.cpp\
 		src/app/browser/main/tab/label.cpp\
 		src/lib/database.cpp\
 		src/lib/database/session.cpp

po/POTFILES.in

@@ -5,6 +5,7 @@ src/app/browser/header/tab.cpp
 src/app/browser/main.cpp
 src/app/browser/main/tab.cpp
 src/app/browser/main/tab/data.cpp
+src/app/browser/main/tab/data/navbar.cpp
 src/app/browser/main/tab/label.cpp
 src/lib/database.cpp
 src/lib/database/session.cpp

src/app/browser/main/tab/data/navbar.cpp

@@ -0,0 +1,16 @@
+#include "navbar.hpp"
+
+using namespace app::browser::main::tab::data;
+
+Navbar::Navbar()
+{
+    set_orientation(
+        Gtk::Orientation::HORIZONTAL
+    );
+
+    set_homogeneous(
+        true
+    );
+}
+
+Navbar::~Navbar() = default;

src/app/browser/main/tab/data/navbar.hpp

@@ -0,0 +1,18 @@
+#ifndef APP_BROWSER_MAIN_TAB_DATA_NAVBAR_HPP
+#define APP_BROWSER_MAIN_TAB_DATA_NAVBAR_HPP
+
+#include <gtkmm/box.h>
+
+namespace app::browser::main::tab::data
+{
+    class Navbar : public Gtk::Box
+    {
+        public:
+
+            Navbar();
+
+            ~Navbar();
+    };
+}
+
+#endif // APP_BROWSER_MAIN_TAB_DATA_NAVBAR_HPP