type label =
and content =
A Flat content will produce a horizontal menu*)
A Tower content will produce a vertical menu*)
In a Custom content, only Layout labels should be used, and their position should be defined before creating the menu.*)
Currently only used for inserting separator lines in Tower menus.*)
Creation of a menu bar in the
dst layout, with drop-down submenus.
bar dst entries inserts a layout which contains the menu bar into the top of the
dst layout (so, some room should be provided). The
dst layout should be big enough to contain the submenus. Any item flowing out of
dst will not get focus.
Return a menu layout that will be installed with
add_bar into the top house at startup.
val separator : entry