https://invisible-island.net/ncurses/man/
menu_attributes(3x) Library calls menu_attributes(3x)
menu_back, menu_fore, menu_grey, menu_pad, set_menu_back,
set_menu_fore, set_menu_grey, set_menu_pad - color and attribute
control for menus
#include <menu.h>
int set_menu_fore(MENU *menu, chtype attr);
chtype menu_fore(const MENU *menu);
int set_menu_back(MENU *menu, chtype attr);
chtype menu_back(const MENU *menu);
int set_menu_grey(MENU *menu, chtype attr);
chtype menu_grey(const MENU *menu);
int set_menu_pad(MENU *menu, int pad);
int menu_pad(const MENU *menu);
The function set_menu_fore sets the foreground attribute of menu. This
is the highlight used for selected menu items. menu_fore returns the
foreground attribute. The default is A_REVERSE.
The function set_menu_back sets the background attribute of menu. This
is the highlight used for selectable (but not currently selected) menu
items. The function menu_back returns the background attribute. The
default is A_NORMAL.
The function set_menu_grey sets the grey attribute of menu. This is the
highlight used for un-selectable menu items in menus that permit more
than one selection. The function menu_grey returns the grey attribute.
The default is A_UNDERLINE.
The function set_menu_pad sets the character used to fill the space
between the name and description parts of a menu item. menu_pad
returns the given menu's pad character. The default is a blank.
These routines return one of the following:
E_OK The routine succeeded.
E_SYSTEM_ERROR
System error occurred (see errno(3)).
E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
These routines emulate the System V menu library. They were not
supported on Version 7 or BSD versions.
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S.
Raymond.
curses(3x) and related pages whose names begin "menu_" for detailed
descriptions of the entry points.
ncurses 6.5 2024-03-16 menu_attributes(3x)