According to: http://developer.gnome.org/gtk3/3.3/GtkWindow.html#gtk-window-set-has-resize-grip
"the resize grip is only shown if the window is actually resizable"
According to: http:// developer. gnome.org/ gtk3/3. 3/GtkWindow. html#gtk- window- set-has- resize- grip
"the resize grip is only shown if the window is actually resizable"