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Chapter 5: Curses Reference
item-opts item
98
[Procedure]
This procedure returns the options bit mask of item.
set-item-value! item value
item-value item
[Procedure]
[Procedure]
If the menu option O_ONEVALUE is turned off, the menu can have more than one item
selected simultaneously. In this case, the procedure item-value can be used to query
item to see if it is selected. It returns #t or #f.
An item can be selected with the procedure set-item-value!, which takes a menu
item and a boolean value. It returns E_OK, E_SYSTEM_ERROR, or E_REQUEST_DENIED.
item-visible? item
[Procedure]
Returns #t if item is mapped onto the screen. If a menu has more menu items than
can be displayed at once, only some of the menu items will be mapped onto the screen.
5.5.3 Menu Procedures
5.5.3.1 Menu Colors and Attributes
set-menu-fore! menu attr
set-menu-back! menu attr
set-menu-grey! menu attr
[Procedure]
[Procedure]
[Procedure]
The procedure set-menu-fore! sets the colors and attributes of selected menu items.
The default is A_STANDOUT.
The procedure set-menu-back! sets the colors and attributes of selectable but not
currently selected menu items. Its default is A_NORMAL.
The procedure set-menu-grey! sets the colors and attributes of unselectable menu
items for menus that allow multiple selections. Its default is A_UNDERLINE.
menu-fore menu
menu-back menu
menu-grey menu
[Procedure]
[Procedure]
[Procedure]
These procedures return the colors and attributes of selected, selectable, and unselectable menu items respectively.
set-menu-pad menu
[Procedure]
This procedure sets the character used to fill the space between the name and the
description parts of a menu.
menu-pad menu
[Procedure]
This procedure returns the character used to fill the space between the name and
description parts of a menu.
item-count menu
Returns the number of menu items attached to menu.
[Procedure]