How to change the layout of a Gtk application on fullscreen?

How to change the layout of a Gtk application on fullscreen?

References

Reference NO 1

http://stackoverflow.com/questions/13658460/how-to-change-the-layout-of-a-gtk-application-on-fullscreen

Reference NO 2

http://stackoverflow.com/tags/pygobject/hot

Reference NO 3

https://developer.gnome.org/gtk3/3.9/GtkWindow.html

Reference NO 4

https://developer.gnome.org/gtkmm/stable/classGtk_1_1Dialog.html

Reference NO 5

http://python-gtk-3-tutorial.readthedocs.org/en/latest/layout.html

Reference NO 6

http://www.gtk.org/tutorial1.2/gtk_tut-10.html

Reference NO 7

http://overtag.dk/wordpress/2013/01/first-impressions-of-gtk3-migration-in-python/

Reference NO 8

http://memchart.googlecode.com/svn-history/r205/trunk/src/main_window.cpp